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authorAndrew Haley <aph@redhat.com>2016-09-30 16:24:48 +0000
committerAndrew Haley <aph@gcc.gnu.org>2016-09-30 16:24:48 +0000
commit07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch)
tree3f22b3241c513ad168c8353805614ae1249410f4 /libjava/classpath/native/fdlibm
parenteae993948bae8b788c53772bcb9217c063716f93 (diff)
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Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com> * Makefile.def: Remove libjava. * Makefile.tpl: Likewise. * Makefile.in: Regenerate. * configure.ac: Likewise. * configure: Likewise. * gcc/java: Remove. * libjava: Likewise. From-SVN: r240662
Diffstat (limited to 'libjava/classpath/native/fdlibm')
-rw-r--r--libjava/classpath/native/fdlibm/.cvsignore8
-rw-r--r--libjava/classpath/native/fdlibm/Makefile.am65
-rw-r--r--libjava/classpath/native/fdlibm/Makefile.in704
-rw-r--r--libjava/classpath/native/fdlibm/dtoa.c921
-rw-r--r--libjava/classpath/native/fdlibm/e_acos.c110
-rw-r--r--libjava/classpath/native/fdlibm/e_asin.c119
-rw-r--r--libjava/classpath/native/fdlibm/e_atan2.c131
-rw-r--r--libjava/classpath/native/fdlibm/e_cosh.c92
-rw-r--r--libjava/classpath/native/fdlibm/e_exp.c165
-rw-r--r--libjava/classpath/native/fdlibm/e_fmod.c139
-rw-r--r--libjava/classpath/native/fdlibm/e_hypot.c129
-rw-r--r--libjava/classpath/native/fdlibm/e_log.c151
-rw-r--r--libjava/classpath/native/fdlibm/e_log10.c93
-rw-r--r--libjava/classpath/native/fdlibm/e_pow.c312
-rw-r--r--libjava/classpath/native/fdlibm/e_rem_pio2.c185
-rw-r--r--libjava/classpath/native/fdlibm/e_remainder.c79
-rw-r--r--libjava/classpath/native/fdlibm/e_scalb.c51
-rw-r--r--libjava/classpath/native/fdlibm/e_sinh.c85
-rw-r--r--libjava/classpath/native/fdlibm/e_sqrt.c451
-rw-r--r--libjava/classpath/native/fdlibm/fdlibm.h408
-rw-r--r--libjava/classpath/native/fdlibm/ieeefp.h178
-rw-r--r--libjava/classpath/native/fdlibm/k_cos.c95
-rw-r--r--libjava/classpath/native/fdlibm/k_rem_pio2.c316
-rw-r--r--libjava/classpath/native/fdlibm/k_sin.c78
-rw-r--r--libjava/classpath/native/fdlibm/k_tan.c153
-rw-r--r--libjava/classpath/native/fdlibm/mprec.c1026
-rw-r--r--libjava/classpath/native/fdlibm/mprec.h387
-rw-r--r--libjava/classpath/native/fdlibm/namespace.h3
-rw-r--r--libjava/classpath/native/fdlibm/s_atan.c140
-rw-r--r--libjava/classpath/native/fdlibm/s_cbrt.c96
-rw-r--r--libjava/classpath/native/fdlibm/s_ceil.c80
-rw-r--r--libjava/classpath/native/fdlibm/s_copysign.c37
-rw-r--r--libjava/classpath/native/fdlibm/s_cos.c81
-rw-r--r--libjava/classpath/native/fdlibm/s_expm1.c229
-rw-r--r--libjava/classpath/native/fdlibm/s_fabs.c36
-rw-r--r--libjava/classpath/native/fdlibm/s_finite.c31
-rw-r--r--libjava/classpath/native/fdlibm/s_floor.c80
-rw-r--r--libjava/classpath/native/fdlibm/s_log1p.c168
-rw-r--r--libjava/classpath/native/fdlibm/s_rint.c86
-rw-r--r--libjava/classpath/native/fdlibm/s_scalbn.c65
-rw-r--r--libjava/classpath/native/fdlibm/s_sin.c81
-rw-r--r--libjava/classpath/native/fdlibm/s_tan.c75
-rw-r--r--libjava/classpath/native/fdlibm/s_tanh.c85
-rw-r--r--libjava/classpath/native/fdlibm/sf_fabs.c47
-rw-r--r--libjava/classpath/native/fdlibm/sf_rint.c80
-rw-r--r--libjava/classpath/native/fdlibm/strtod.c719
-rw-r--r--libjava/classpath/native/fdlibm/w_acos.c39
-rw-r--r--libjava/classpath/native/fdlibm/w_asin.c41
-rw-r--r--libjava/classpath/native/fdlibm/w_atan2.c40
-rw-r--r--libjava/classpath/native/fdlibm/w_cosh.c38
-rw-r--r--libjava/classpath/native/fdlibm/w_exp.c48
-rw-r--r--libjava/classpath/native/fdlibm/w_fmod.c39
-rw-r--r--libjava/classpath/native/fdlibm/w_hypot.c39
-rw-r--r--libjava/classpath/native/fdlibm/w_log.c39
-rw-r--r--libjava/classpath/native/fdlibm/w_log10.c42
-rw-r--r--libjava/classpath/native/fdlibm/w_pow.c60
-rw-r--r--libjava/classpath/native/fdlibm/w_remainder.c38
-rw-r--r--libjava/classpath/native/fdlibm/w_sinh.c38
-rw-r--r--libjava/classpath/native/fdlibm/w_sqrt.c38
59 files changed, 0 insertions, 9389 deletions
diff --git a/libjava/classpath/native/fdlibm/.cvsignore b/libjava/classpath/native/fdlibm/.cvsignore
deleted file mode 100644
index e9f2658..0000000
--- a/libjava/classpath/native/fdlibm/.cvsignore
+++ /dev/null
@@ -1,8 +0,0 @@
-*.o
-*.a
-*.lo
-*.la
-.libs
-.deps
-Makefile
-Makefile.in
diff --git a/libjava/classpath/native/fdlibm/Makefile.am b/libjava/classpath/native/fdlibm/Makefile.am
deleted file mode 100644
index 29bf837..0000000
--- a/libjava/classpath/native/fdlibm/Makefile.am
+++ /dev/null
@@ -1,65 +0,0 @@
-noinst_LTLIBRARIES = libfdlibm.la
-
-libfdlibm_la_SOURCES = \
- dtoa.c \
- e_acos.c \
- e_asin.c \
- e_atan2.c \
- e_cosh.c \
- e_exp.c \
- e_fmod.c \
- e_hypot.c \
- e_log.c \
- e_log10.c \
- e_pow.c \
- e_remainder.c \
- e_rem_pio2.c \
- e_scalb.c \
- e_sinh.c \
- e_sqrt.c \
- fdlibm.h \
- ieeefp.h \
- k_cos.c \
- k_rem_pio2.c \
- k_sin.c \
- k_tan.c \
- mprec.c \
- mprec.h \
- s_atan.c \
- s_cbrt.c \
- s_ceil.c \
- s_copysign.c \
- s_cos.c \
- s_expm1.c \
- s_fabs.c \
- sf_fabs.c \
- s_finite.c \
- s_floor.c \
- s_log1p.c \
- sf_rint.c \
- s_rint.c \
- s_scalbn.c \
- s_sin.c \
- s_tan.c \
- s_tanh.c \
- strtod.c \
- w_acos.c \
- w_asin.c \
- w_atan2.c \
- w_cosh.c \
- w_exp.c \
- w_fmod.c \
- w_hypot.c \
- w_log.c \
- w_log10.c \
- w_pow.c \
- w_remainder.c \
- w_sinh.c \
- w_sqrt.c \
- namespace.h
-
-AM_LDFLAGS = @CLASSPATH_CONVENIENCE@
-
-AM_CFLAGS = @EXTRA_CFLAGS@
-
-# We don't need extra includes, so no AM_CPPFLAGS.
diff --git a/libjava/classpath/native/fdlibm/Makefile.in b/libjava/classpath/native/fdlibm/Makefile.in
deleted file mode 100644
index 5a6c4e4..0000000
--- a/libjava/classpath/native/fdlibm/Makefile.in
+++ /dev/null
@@ -1,704 +0,0 @@
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-# @configure_input@
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-# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
-# Foundation, Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
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diff --git a/libjava/classpath/native/fdlibm/dtoa.c b/libjava/classpath/native/fdlibm/dtoa.c
deleted file mode 100644
index 458e629..0000000
--- a/libjava/classpath/native/fdlibm/dtoa.c
+++ /dev/null
@@ -1,921 +0,0 @@
-/****************************************************************
- *
- * The author of this software is David M. Gay.
- *
- * Copyright (c) 1991, 2006 by AT&T.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose without fee is hereby granted, provided that this entire notice
- * is included in all copies of any software which is or includes a copy
- * or modification of this software and in all copies of the supporting
- * documentation for such software.
- *
- * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTY. IN PARTICULAR, NEITHER THE AUTHOR NOR AT&T MAKES ANY
- * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
- * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
- *
- ***************************************************************/
-
-/* Please send bug reports to
- David M. Gay
- AT&T Bell Laboratories, Room 2C-463
- 600 Mountain Avenue
- Murray Hill, NJ 07974-2070
- U.S.A.
- dmg@research.att.com or research!dmg
- */
-
-#include <string.h>
-#include <stdlib.h>
-#include "mprec.h"
-#include <stdlib.h>
-
-static int
-_DEFUN (quorem,
- (b, S),
- _Jv_Bigint * b _AND _Jv_Bigint * S)
-{
- int n;
- long borrow, y;
- unsigned long carry, q, ys;
- unsigned long *bx, *bxe, *sx, *sxe;
-#ifdef Pack_32
- long z;
- unsigned long si, zs;
-#endif
-
- n = S->_wds;
-#ifdef DEBUG
- /*debug*/ if (b->_wds > n)
- /*debug*/ Bug ("oversize b in quorem");
-#endif
- if (b->_wds < n)
- return 0;
- sx = S->_x;
- sxe = sx + --n;
- bx = b->_x;
- bxe = bx + n;
- q = *bxe / (*sxe + 1); /* ensure q <= true quotient */
-#ifdef DEBUG
- /*debug*/ if (q > 9)
- /*debug*/ Bug ("oversized quotient in quorem");
-#endif
- if (q)
- {
- borrow = 0;
- carry = 0;
- do
- {
-#ifdef Pack_32
- si = *sx++;
- ys = (si & 0xffff) * q + carry;
- zs = (si >> 16) * q + (ys >> 16);
- carry = zs >> 16;
- y = (*bx & 0xffff) - (ys & 0xffff) + borrow;
- borrow = y >> 16;
- Sign_Extend (borrow, y);
- z = (*bx >> 16) - (zs & 0xffff) + borrow;
- borrow = z >> 16;
- Sign_Extend (borrow, z);
- Storeinc (bx, z, y);
-#else
- ys = *sx++ * q + carry;
- carry = ys >> 16;
- y = *bx - (ys & 0xffff) + borrow;
- borrow = y >> 16;
- Sign_Extend (borrow, y);
- *bx++ = y & 0xffff;
-#endif
- }
- while (sx <= sxe);
- if (!*bxe)
- {
- bx = b->_x;
- while (--bxe > bx && !*bxe)
- --n;
- b->_wds = n;
- }
- }
- if (cmp (b, S) >= 0)
- {
- q++;
- borrow = 0;
- carry = 0;
- bx = b->_x;
- sx = S->_x;
- do
- {
-#ifdef Pack_32
- si = *sx++;
- ys = (si & 0xffff) + carry;
- zs = (si >> 16) + (ys >> 16);
- carry = zs >> 16;
- y = (*bx & 0xffff) - (ys & 0xffff) + borrow;
- borrow = y >> 16;
- Sign_Extend (borrow, y);
- z = (*bx >> 16) - (zs & 0xffff) + borrow;
- borrow = z >> 16;
- Sign_Extend (borrow, z);
- Storeinc (bx, z, y);
-#else
- ys = *sx++ + carry;
- carry = ys >> 16;
- y = *bx - (ys & 0xffff) + borrow;
- borrow = y >> 16;
- Sign_Extend (borrow, y);
- *bx++ = y & 0xffff;
-#endif
- }
- while (sx <= sxe);
- bx = b->_x;
- bxe = bx + n;
- if (!*bxe)
- {
- while (--bxe > bx && !*bxe)
- --n;
- b->_wds = n;
- }
- }
- return q;
-}
-
-#ifdef DEBUG
-#include <stdio.h>
-
-void
-print (_Jv_Bigint * b)
-{
- int i, wds;
- unsigned long *x, y;
- wds = b->_wds;
- x = b->_x+wds;
- i = 0;
- do
- {
- x--;
- fprintf (stderr, "%08x", *x);
- }
- while (++i < wds);
- fprintf (stderr, "\n");
-}
-#endif
-
-/* dtoa for IEEE arithmetic (dmg): convert double to ASCII string.
- *
- * Inspired by "How to Print Floating-Point Numbers Accurately" by
- * Guy L. Steele, Jr. and Jon L. White [Proc. ACM SIGPLAN '90, pp. 92-101].
- *
- * Modifications:
- * 1. Rather than iterating, we use a simple numeric overestimate
- * to determine k = floor(log10(d)). We scale relevant
- * quantities using O(log2(k)) rather than O(k) multiplications.
- * 2. For some modes > 2 (corresponding to ecvt and fcvt), we don't
- * try to generate digits strictly left to right. Instead, we
- * compute with fewer bits and propagate the carry if necessary
- * when rounding the final digit up. This is often faster.
- * 3. Under the assumption that input will be rounded nearest,
- * mode 0 renders 1e23 as 1e23 rather than 9.999999999999999e22.
- * That is, we allow equality in stopping tests when the
- * round-nearest rule will give the same floating-point value
- * as would satisfaction of the stopping test with strict
- * inequality.
- * 4. We remove common factors of powers of 2 from relevant
- * quantities.
- * 5. When converting floating-point integers less than 1e16,
- * we use floating-point arithmetic rather than resorting
- * to multiple-precision integers.
- * 6. When asked to produce fewer than 15 digits, we first try
- * to get by with floating-point arithmetic; we resort to
- * multiple-precision integer arithmetic only if we cannot
- * guarantee that the floating-point calculation has given
- * the correctly rounded result. For k requested digits and
- * "uniformly" distributed input, the probability is
- * something like 10^(k-15) that we must resort to the long
- * calculation.
- */
-
-
-char *
-_DEFUN (_dtoa_r,
- (ptr, _d, mode, ndigits, decpt, sign, rve, float_type),
- struct _Jv_reent *ptr _AND
- double _d _AND
- int mode _AND
- int ndigits _AND
- int *decpt _AND
- int *sign _AND
- char **rve _AND
- int float_type)
-{
- /*
- float_type == 0 for double precision, 1 for float.
-
- Arguments ndigits, decpt, sign are similar to those
- of ecvt and fcvt; trailing zeros are suppressed from
- the returned string. If not null, *rve is set to point
- to the end of the return value. If d is +-Infinity or NaN,
- then *decpt is set to 9999.
-
- mode:
- 0 ==> shortest string that yields d when read in
- and rounded to nearest.
- 1 ==> like 0, but with Steele & White stopping rule;
- e.g. with IEEE P754 arithmetic , mode 0 gives
- 1e23 whereas mode 1 gives 9.999999999999999e22.
- 2 ==> max(1,ndigits) significant digits. This gives a
- return value similar to that of ecvt, except
- that trailing zeros are suppressed.
- 3 ==> through ndigits past the decimal point. This
- gives a return value similar to that from fcvt,
- except that trailing zeros are suppressed, and
- ndigits can be negative.
- 4-9 should give the same return values as 2-3, i.e.,
- 4 <= mode <= 9 ==> same return as mode
- 2 + (mode & 1). These modes are mainly for
- debugging; often they run slower but sometimes
- faster than modes 2-3.
- 4,5,8,9 ==> left-to-right digit generation.
- 6-9 ==> don't try fast floating-point estimate
- (if applicable).
-
- > 16 ==> Floating-point arg is treated as single precision.
-
- Values of mode other than 0-9 are treated as mode 0.
-
- Sufficient space is allocated to the return value
- to hold the suppressed trailing zeros.
- */
-
- int bbits, b2, b5, be, dig, i, ieps, ilim0, j, j1, k, k0,
- k_check, leftright, m2, m5, s2, s5, try_quick;
- int ilim = 0, ilim1 = 0, spec_case = 0;
- union double_union d, d2, eps;
- long L;
-#ifndef Sudden_Underflow
- int denorm;
- unsigned long x;
-#endif
- _Jv_Bigint *b, *b1, *delta, *mlo = NULL, *mhi, *S;
- double ds;
- char *s, *s0;
-
- d.d = _d;
-
- if (ptr->_result)
- {
- ptr->_result->_k = ptr->_result_k;
- ptr->_result->_maxwds = 1 << ptr->_result_k;
- Bfree (ptr, ptr->_result);
- ptr->_result = 0;
- }
-
- if (word0 (d) & Sign_bit)
- {
- /* set sign for everything, including 0's and NaNs */
- *sign = 1;
- word0 (d) &= ~Sign_bit; /* clear sign bit */
- }
- else
- *sign = 0;
-
-#if defined(IEEE_Arith) + defined(VAX)
-#ifdef IEEE_Arith
- if ((word0 (d) & Exp_mask) == Exp_mask)
-#else
- if (word0 (d) == 0x8000)
-#endif
- {
- /* Infinity or NaN */
- *decpt = 9999;
- s =
-#ifdef IEEE_Arith
- !word1 (d) && !(word0 (d) & 0xfffff) ? "Infinity" :
-#endif
- "NaN";
- if (rve)
- *rve =
-#ifdef IEEE_Arith
- s[3] ? s + 8 :
-#endif
- s + 3;
- return s;
- }
-#endif
-#ifdef IBM
- d.d += 0; /* normalize */
-#endif
- if (!d.d)
- {
- *decpt = 1;
- s = "0";
- if (rve)
- *rve = s + 1;
- return s;
- }
-
- b = d2b (ptr, d.d, &be, &bbits);
-#ifdef Sudden_Underflow
- i = (int) (word0 (d) >> Exp_shift1 & (Exp_mask >> Exp_shift1));
-#else
- if ((i = (int) (word0 (d) >> Exp_shift1 & (Exp_mask >> Exp_shift1))))
- {
-#endif
- d2.d = d.d;
- word0 (d2) &= Frac_mask1;
- word0 (d2) |= Exp_11;
-#ifdef IBM
- if (j = 11 - hi0bits (word0 (d2) & Frac_mask))
- d2.d /= 1 << j;
-#endif
-
- /* log(x) ~=~ log(1.5) + (x-1.5)/1.5
- * log10(x) = log(x) / log(10)
- * ~=~ log(1.5)/log(10) + (x-1.5)/(1.5*log(10))
- * log10(d) = (i-Bias)*log(2)/log(10) + log10(d2)
- *
- * This suggests computing an approximation k to log10(d) by
- *
- * k = (i - Bias)*0.301029995663981
- * + ( (d2-1.5)*0.289529654602168 + 0.176091259055681 );
- *
- * We want k to be too large rather than too small.
- * The error in the first-order Taylor series approximation
- * is in our favor, so we just round up the constant enough
- * to compensate for any error in the multiplication of
- * (i - Bias) by 0.301029995663981; since |i - Bias| <= 1077,
- * and 1077 * 0.30103 * 2^-52 ~=~ 7.2e-14,
- * adding 1e-13 to the constant term more than suffices.
- * Hence we adjust the constant term to 0.1760912590558.
- * (We could get a more accurate k by invoking log10,
- * but this is probably not worthwhile.)
- */
-
- i -= Bias;
-#ifdef IBM
- i <<= 2;
- i += j;
-#endif
-#ifndef Sudden_Underflow
- denorm = 0;
- }
- else
- {
- /* d is denormalized */
-
- i = bbits + be + (Bias + (P - 1) - 1);
- x = i > 32 ? word0 (d) << (64 - i) | word1 (d) >> (i - 32)
- : word1 (d) << (32 - i);
- d2.d = x;
- word0 (d2) -= 31 * Exp_msk1; /* adjust exponent */
- i -= (Bias + (P - 1) - 1) + 1;
- denorm = 1;
- }
-#endif
- ds = (d2.d - 1.5) * 0.289529654602168 + 0.1760912590558 + i * 0.301029995663981;
- k = (int) ds;
- if (ds < 0. && ds != k)
- k--; /* want k = floor(ds) */
- k_check = 1;
- if (k >= 0 && k <= Ten_pmax)
- {
- if (d.d < tens[k])
- k--;
- k_check = 0;
- }
- j = bbits - i - 1;
- if (j >= 0)
- {
- b2 = 0;
- s2 = j;
- }
- else
- {
- b2 = -j;
- s2 = 0;
- }
- if (k >= 0)
- {
- b5 = 0;
- s5 = k;
- s2 += k;
- }
- else
- {
- b2 -= k;
- b5 = -k;
- s5 = 0;
- }
- if (mode < 0 || mode > 9)
- mode = 0;
- try_quick = 1;
- if (mode > 5)
- {
- mode -= 4;
- try_quick = 0;
- }
- leftright = 1;
- switch (mode)
- {
- case 0:
- case 1:
- ilim = ilim1 = -1;
- i = 18;
- ndigits = 0;
- break;
- case 2:
- leftright = 0;
- /* no break */
- case 4:
- if (ndigits <= 0)
- ndigits = 1;
- ilim = ilim1 = i = ndigits;
- break;
- case 3:
- leftright = 0;
- /* no break */
- case 5:
- i = ndigits + k + 1;
- ilim = i;
- ilim1 = i - 1;
- if (i <= 0)
- i = 1;
- }
- j = sizeof (unsigned long);
- for (ptr->_result_k = 0; (int) (sizeof (_Jv_Bigint) - sizeof (unsigned long)) + j <= i;
- j <<= 1)
- ptr->_result_k++;
- ptr->_result = Balloc (ptr, ptr->_result_k);
- s = s0 = (char *) ptr->_result;
-
- if (ilim >= 0 && ilim <= Quick_max && try_quick)
- {
- /* Try to get by with floating-point arithmetic. */
-
- i = 0;
- d2.d = d.d;
- k0 = k;
- ilim0 = ilim;
- ieps = 2; /* conservative */
- if (k > 0)
- {
- ds = tens[k & 0xf];
- j = k >> 4;
- if (j & Bletch)
- {
- /* prevent overflows */
- j &= Bletch - 1;
- d.d /= bigtens[n_bigtens - 1];
- ieps++;
- }
- for (; j; j >>= 1, i++)
- if (j & 1)
- {
- ieps++;
- ds *= bigtens[i];
- }
- d.d /= ds;
- }
- else if ((j1 = -k))
- {
- d.d *= tens[j1 & 0xf];
- for (j = j1 >> 4; j; j >>= 1, i++)
- if (j & 1)
- {
- ieps++;
- d.d *= bigtens[i];
- }
- }
- if (k_check && d.d < 1. && ilim > 0)
- {
- if (ilim1 <= 0)
- goto fast_failed;
- ilim = ilim1;
- k--;
- d.d *= 10.;
- ieps++;
- }
- eps.d = ieps * d.d + 7.;
- word0 (eps) -= (P - 1) * Exp_msk1;
- if (ilim == 0)
- {
- S = mhi = 0;
- d.d -= 5.;
- if (d.d > eps.d)
- goto one_digit;
- if (d.d < -eps.d)
- goto no_digits;
- goto fast_failed;
- }
-#ifndef No_leftright
- if (leftright)
- {
- /* Use Steele & White method of only
- * generating digits needed.
- */
- eps.d = 0.5 / tens[ilim - 1] - eps.d;
- for (i = 0;;)
- {
- L = d.d;
- d.d -= L;
- *s++ = '0' + (int) L;
- if (d.d < eps.d)
- goto ret1;
- if (1. - d.d < eps.d)
- goto bump_up;
- if (++i >= ilim)
- break;
- eps.d *= 10.;
- d.d *= 10.;
- }
- }
- else
- {
-#endif
- /* Generate ilim digits, then fix them up. */
- eps.d *= tens[ilim - 1];
- for (i = 1;; i++, d.d *= 10.)
- {
- L = d.d;
- d.d -= L;
- *s++ = '0' + (int) L;
- if (i == ilim)
- {
- if (d.d > 0.5 + eps.d)
- goto bump_up;
- else if (d.d < 0.5 - eps.d)
- {
- while (*--s == '0');
- s++;
- goto ret1;
- }
- break;
- }
- }
-#ifndef No_leftright
- }
-#endif
- fast_failed:
- s = s0;
- d.d = d2.d;
- k = k0;
- ilim = ilim0;
- }
-
- /* Do we have a "small" integer? */
-
- if (be >= 0 && k <= Int_max)
- {
- /* Yes. */
- ds = tens[k];
- if (ndigits < 0 && ilim <= 0)
- {
- S = mhi = 0;
- if (ilim < 0 || d.d <= 5 * ds)
- goto no_digits;
- goto one_digit;
- }
- for (i = 1;; i++)
- {
- L = d.d / ds;
- d.d -= L * ds;
-#ifdef Check_FLT_ROUNDS
- /* If FLT_ROUNDS == 2, L will usually be high by 1 */
- if (d.d < 0)
- {
- L--;
- d.d += ds;
- }
-#endif
- *s++ = '0' + (int) L;
- if (i == ilim)
- {
- d.d += d.d;
- if (d.d > ds || (d.d == ds && L & 1))
- {
- bump_up:
- while (*--s == '9')
- if (s == s0)
- {
- k++;
- *s = '0';
- break;
- }
- ++*s++;
- }
- break;
- }
- if (!(d.d *= 10.))
- break;
- }
- goto ret1;
- }
-
- m2 = b2;
- m5 = b5;
- mhi = mlo = 0;
- if (leftright)
- {
- if (mode < 2)
- {
- i =
-#ifndef Sudden_Underflow
- denorm ? be + (Bias + (P - 1) - 1 + 1) :
-#endif
-#ifdef IBM
- 1 + 4 * P - 3 - bbits + ((bbits + be - 1) & 3);
-#else
- 1 + P - bbits;
-#endif
- }
- else
- {
- j = ilim - 1;
- if (m5 >= j)
- m5 -= j;
- else
- {
- s5 += j -= m5;
- b5 += j;
- m5 = 0;
- }
- if ((i = ilim) < 0)
- {
- m2 -= i;
- i = 0;
- }
- }
- b2 += i;
- s2 += i;
- mhi = i2b (ptr, 1);
- }
- if (m2 > 0 && s2 > 0)
- {
- i = m2 < s2 ? m2 : s2;
- b2 -= i;
- m2 -= i;
- s2 -= i;
- }
- if (b5 > 0)
- {
- if (leftright)
- {
- if (m5 > 0)
- {
- mhi = pow5mult (ptr, mhi, m5);
- b1 = mult (ptr, mhi, b);
- Bfree (ptr, b);
- b = b1;
- }
- if ((j = b5 - m5))
- b = pow5mult (ptr, b, j);
- }
- else
- b = pow5mult (ptr, b, b5);
- }
- S = i2b (ptr, 1);
- if (s5 > 0)
- S = pow5mult (ptr, S, s5);
-
- /* Check for special case that d is a normalized power of 2. */
-
- if (mode < 2)
- {
- if (!word1 (d) && !(word0 (d) & Bndry_mask)
-#ifndef Sudden_Underflow
- && word0(d) & Exp_mask
-#endif
- )
- {
- /* The special case */
- b2 += Log2P;
- s2 += Log2P;
- spec_case = 1;
- }
- else
- spec_case = 0;
- }
-
- /* Arrange for convenient computation of quotients:
- * shift left if necessary so divisor has 4 leading 0 bits.
- *
- * Perhaps we should just compute leading 28 bits of S once
- * and for all and pass them and a shift to quorem, so it
- * can do shifts and ors to compute the numerator for q.
- */
-
-#ifdef Pack_32
- if ((i = ((s5 ? 32 - hi0bits (S->_x[S->_wds - 1]) : 1) + s2) & 0x1f))
- i = 32 - i;
-#else
- if ((i = ((s5 ? 32 - hi0bits (S->_x[S->_wds - 1]) : 1) + s2) & 0xf))
- i = 16 - i;
-#endif
- if (i > 4)
- {
- i -= 4;
- b2 += i;
- m2 += i;
- s2 += i;
- }
- else if (i < 4)
- {
- i += 28;
- b2 += i;
- m2 += i;
- s2 += i;
- }
- if (b2 > 0)
- b = lshift (ptr, b, b2);
- if (s2 > 0)
- S = lshift (ptr, S, s2);
- if (k_check)
- {
- if (cmp (b, S) < 0)
- {
- k--;
- b = multadd (ptr, b, 10, 0); /* we botched the k estimate */
- if (leftright)
- mhi = multadd (ptr, mhi, 10, 0);
- ilim = ilim1;
- }
- }
- if (ilim <= 0 && mode > 2)
- {
- if (ilim < 0 || cmp (b, S = multadd (ptr, S, 5, 0)) <= 0)
- {
- /* no digits, fcvt style */
- no_digits:
- k = -1 - ndigits;
- goto ret;
- }
- one_digit:
- *s++ = '1';
- k++;
- goto ret;
- }
- if (leftright)
- {
- if (m2 > 0)
- mhi = lshift (ptr, mhi, m2);
-
- /* Single precision case, */
- if (float_type)
- mhi = lshift (ptr, mhi, 29);
-
- /* Compute mlo -- check for special case
- * that d is a normalized power of 2.
- */
-
- mlo = mhi;
- if (spec_case)
- {
- mhi = Balloc (ptr, mhi->_k);
- Bcopy (mhi, mlo);
- mhi = lshift (ptr, mhi, Log2P);
- }
-
- for (i = 1;; i++)
- {
- dig = quorem (b, S) + '0';
- /* Do we yet have the shortest decimal string
- * that will round to d?
- */
- j = cmp (b, mlo);
- delta = diff (ptr, S, mhi);
- j1 = delta->_sign ? 1 : cmp (b, delta);
- Bfree (ptr, delta);
-#ifndef ROUND_BIASED
- if (j1 == 0 && !mode && !(word1 (d) & 1))
- {
- if (dig == '9')
- goto round_9_up;
- if (j > 0)
- dig++;
- *s++ = dig;
- goto ret;
- }
-#endif
- if (j < 0 || (j == 0 && !mode
-#ifndef ROUND_BIASED
- && !(word1 (d) & 1)
-#endif
- ))
- {
- if (j1 > 0)
- {
- b = lshift (ptr, b, 1);
- j1 = cmp (b, S);
- if ((j1 > 0 || (j1 == 0 && dig & 1))
- && dig++ == '9')
- goto round_9_up;
- }
- *s++ = dig;
- goto ret;
- }
- if (j1 > 0)
- {
- if (dig == '9')
- { /* possible if i == 1 */
- round_9_up:
- *s++ = '9';
- goto roundoff;
- }
- *s++ = dig + 1;
- goto ret;
- }
- *s++ = dig;
- if (i == ilim)
- break;
- b = multadd (ptr, b, 10, 0);
- if (mlo == mhi)
- mlo = mhi = multadd (ptr, mhi, 10, 0);
- else
- {
- mlo = multadd (ptr, mlo, 10, 0);
- mhi = multadd (ptr, mhi, 10, 0);
- }
- }
- }
- else
- for (i = 1;; i++)
- {
- *s++ = dig = quorem (b, S) + '0';
- if (i >= ilim)
- break;
- b = multadd (ptr, b, 10, 0);
- }
-
- /* Round off last digit */
-
- b = lshift (ptr, b, 1);
- j = cmp (b, S);
- if (j > 0 || (j == 0 && dig & 1))
- {
- roundoff:
- while (*--s == '9')
- if (s == s0)
- {
- k++;
- *s++ = '1';
- goto ret;
- }
- ++*s++;
- }
- else
- {
- while (*--s == '0');
- s++;
- }
-ret:
- Bfree (ptr, S);
- if (mhi)
- {
- if (mlo && mlo != mhi)
- Bfree (ptr, mlo);
- Bfree (ptr, mhi);
- }
-ret1:
- Bfree (ptr, b);
- *s = 0;
- *decpt = k + 1;
- if (rve)
- *rve = s;
- return s0;
-}
-
-
-_VOID
-_DEFUN (_dtoa,
- (_d, mode, ndigits, decpt, sign, rve, buf, float_type),
- double _d _AND
- int mode _AND
- int ndigits _AND
- int *decpt _AND
- int *sign _AND
- char **rve _AND
- char *buf _AND
- int float_type)
-{
- struct _Jv_reent reent;
- char *p;
- int i;
-
- memset (&reent, 0, sizeof reent);
-
- p = _dtoa_r (&reent, _d, mode, ndigits, decpt, sign, rve, float_type);
- strcpy (buf, p);
-
- for (i = 0; i < reent._result_k; ++i)
- {
- struct _Jv_Bigint *l = reent._freelist[i];
- while (l)
- {
- struct _Jv_Bigint *next = l->_next;
- free (l);
- l = next;
- }
- }
- if (reent._freelist)
- free (reent._freelist);
-}
diff --git a/libjava/classpath/native/fdlibm/e_acos.c b/libjava/classpath/native/fdlibm/e_acos.c
deleted file mode 100644
index 0350ee3..0000000
--- a/libjava/classpath/native/fdlibm/e_acos.c
+++ /dev/null
@@ -1,110 +0,0 @@
-
-/* @(#)e_acos.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* __ieee754_acos(x)
- * Method :
- * acos(x) = pi/2 - asin(x)
- * acos(-x) = pi/2 + asin(x)
- * For |x|<=0.5
- * acos(x) = pi/2 - (x + x*x^2*R(x^2)) (see asin.c)
- * For x>0.5
- * acos(x) = pi/2 - (pi/2 - 2asin(sqrt((1-x)/2)))
- * = 2asin(sqrt((1-x)/2))
- * = 2s + 2s*z*R(z) ...z=(1-x)/2, s=sqrt(z)
- * = 2f + (2c + 2s*z*R(z))
- * where f=hi part of s, and c = (z-f*f)/(s+f) is the correction term
- * for f so that f+c ~ sqrt(z).
- * For x<-0.5
- * acos(x) = pi - 2asin(sqrt((1-|x|)/2))
- * = pi - 0.5*(s+s*z*R(z)), where z=(1-|x|)/2,s=sqrt(z)
- *
- * Special cases:
- * if x is NaN, return x itself;
- * if |x|>1, return NaN with invalid signal.
- *
- * Function needed: sqrt
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-one= 1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */
-pi = 3.14159265358979311600e+00, /* 0x400921FB, 0x54442D18 */
-pio2_hi = 1.57079632679489655800e+00, /* 0x3FF921FB, 0x54442D18 */
-pio2_lo = 6.12323399573676603587e-17, /* 0x3C91A626, 0x33145C07 */
-pS0 = 1.66666666666666657415e-01, /* 0x3FC55555, 0x55555555 */
-pS1 = -3.25565818622400915405e-01, /* 0xBFD4D612, 0x03EB6F7D */
-pS2 = 2.01212532134862925881e-01, /* 0x3FC9C155, 0x0E884455 */
-pS3 = -4.00555345006794114027e-02, /* 0xBFA48228, 0xB5688F3B */
-pS4 = 7.91534994289814532176e-04, /* 0x3F49EFE0, 0x7501B288 */
-pS5 = 3.47933107596021167570e-05, /* 0x3F023DE1, 0x0DFDF709 */
-qS1 = -2.40339491173441421878e+00, /* 0xC0033A27, 0x1C8A2D4B */
-qS2 = 2.02094576023350569471e+00, /* 0x40002AE5, 0x9C598AC8 */
-qS3 = -6.88283971605453293030e-01, /* 0xBFE6066C, 0x1B8D0159 */
-qS4 = 7.70381505559019352791e-02; /* 0x3FB3B8C5, 0xB12E9282 */
-
-#ifdef __STDC__
- double __ieee754_acos(double x)
-#else
- double __ieee754_acos(x)
- double x;
-#endif
-{
- double z,p,q,r,w,s,c,df;
- int32_t hx,ix;
- GET_HIGH_WORD(hx,x);
- ix = hx&0x7fffffff;
- if(ix>=0x3ff00000) { /* |x| >= 1 */
- int32_t lx;
- GET_LOW_WORD(lx,x);
- if(((ix-0x3ff00000)|lx)==0) { /* |x|==1 */
- if(hx>0) return 0.0; /* acos(1) = 0 */
- else return pi+2.0*pio2_lo; /* acos(-1)= pi */
- }
- return (x-x)/(x-x); /* acos(|x|>1) is NaN */
- }
- if(ix<0x3fe00000) { /* |x| < 0.5 */
- if(ix<=0x3c600000) return pio2_hi+pio2_lo;/*if|x|<2**-57*/
- z = x*x;
- p = z*(pS0+z*(pS1+z*(pS2+z*(pS3+z*(pS4+z*pS5)))));
- q = one+z*(qS1+z*(qS2+z*(qS3+z*qS4)));
- r = p/q;
- return pio2_hi - (x - (pio2_lo-x*r));
- } else if (hx<0) { /* x < -0.5 */
- z = (one+x)*0.5;
- p = z*(pS0+z*(pS1+z*(pS2+z*(pS3+z*(pS4+z*pS5)))));
- q = one+z*(qS1+z*(qS2+z*(qS3+z*qS4)));
- s = __ieee754_sqrt(z);
- r = p/q;
- w = r*s-pio2_lo;
- return pi - 2.0*(s+w);
- } else { /* x > 0.5 */
- z = (one-x)*0.5;
- s = __ieee754_sqrt(z);
- df = s;
- SET_LOW_WORD(df,0);
- c = (z-df*df)/(s+df);
- p = z*(pS0+z*(pS1+z*(pS2+z*(pS3+z*(pS4+z*pS5)))));
- q = one+z*(qS1+z*(qS2+z*(qS3+z*qS4)));
- r = p/q;
- w = r*s+c;
- return 2.0*(df+w);
- }
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/e_asin.c b/libjava/classpath/native/fdlibm/e_asin.c
deleted file mode 100644
index 6c1efd3..0000000
--- a/libjava/classpath/native/fdlibm/e_asin.c
+++ /dev/null
@@ -1,119 +0,0 @@
-
-/* @(#)e_asin.c 1.4 96/03/07 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* __ieee754_asin(x)
- * Method :
- * Since asin(x) = x + x^3/6 + x^5*3/40 + x^7*15/336 + ...
- * we approximate asin(x) on [0,0.5] by
- * asin(x) = x + x*x^2*R(x^2)
- * where
- * R(x^2) is a rational approximation of (asin(x)-x)/x^3
- * and its Remes error is bounded by
- * |(asin(x)-x)/x^3 - R(x^2)| < 2^(-58.75)
- *
- * For x in [0.5,1]
- * asin(x) = pi/2-2*asin(sqrt((1-x)/2))
- * Let y = (1-x), z = y/2, s := sqrt(z), and pio2_hi+pio2_lo=pi/2;
- * then for x>0.98
- * asin(x) = pi/2 - 2*(s+s*z*R(z))
- * = pio2_hi - (2*(s+s*z*R(z)) - pio2_lo)
- * For x<=0.98, let pio4_hi = pio2_hi/2, then
- * f = hi part of s;
- * c = sqrt(z) - f = (z-f*f)/(s+f) ...f+c=sqrt(z)
- * and
- * asin(x) = pi/2 - 2*(s+s*z*R(z))
- * = pio4_hi+(pio4-2s)-(2s*z*R(z)-pio2_lo)
- * = pio4_hi+(pio4-2f)-(2s*z*R(z)-(pio2_lo+2c))
- *
- * Special cases:
- * if x is NaN, return x itself;
- * if |x|>1, return NaN with invalid signal.
- *
- */
-
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-one = 1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */
-huge = 1.000e+300,
-pio2_hi = 1.57079632679489655800e+00, /* 0x3FF921FB, 0x54442D18 */
-pio2_lo = 6.12323399573676603587e-17, /* 0x3C91A626, 0x33145C07 */
-pio4_hi = 7.85398163397448278999e-01, /* 0x3FE921FB, 0x54442D18 */
- /* coefficient for R(x^2) */
-pS0 = 1.66666666666666657415e-01, /* 0x3FC55555, 0x55555555 */
-pS1 = -3.25565818622400915405e-01, /* 0xBFD4D612, 0x03EB6F7D */
-pS2 = 2.01212532134862925881e-01, /* 0x3FC9C155, 0x0E884455 */
-pS3 = -4.00555345006794114027e-02, /* 0xBFA48228, 0xB5688F3B */
-pS4 = 7.91534994289814532176e-04, /* 0x3F49EFE0, 0x7501B288 */
-pS5 = 3.47933107596021167570e-05, /* 0x3F023DE1, 0x0DFDF709 */
-qS1 = -2.40339491173441421878e+00, /* 0xC0033A27, 0x1C8A2D4B */
-qS2 = 2.02094576023350569471e+00, /* 0x40002AE5, 0x9C598AC8 */
-qS3 = -6.88283971605453293030e-01, /* 0xBFE6066C, 0x1B8D0159 */
-qS4 = 7.70381505559019352791e-02; /* 0x3FB3B8C5, 0xB12E9282 */
-
-#ifdef __STDC__
- double __ieee754_asin(double x)
-#else
- double __ieee754_asin(x)
- double x;
-#endif
-{
- double t,w,p,q,c,r,s;
- int32_t hx,ix;
- GET_HIGH_WORD(hx,x);
- ix = hx&0x7fffffff;
- if(ix>= 0x3ff00000) { /* |x|>= 1 */
- uint32_t lx;
- GET_LOW_WORD(lx,x);
- if(((ix-0x3ff00000)|lx)==0)
- /* asin(1)=+-pi/2 with inexact */
- return x*pio2_hi+x*pio2_lo;
- return (x-x)/(x-x); /* asin(|x|>1) is NaN */
- } else if (ix<0x3fe00000) { /* |x|<0.5 */
- if(ix<0x3e400000) { /* if |x| < 2**-27 */
- if(huge+x>one) return x;/* return x with inexact if x!=0*/
- } else
- t = x*x;
- p = t*(pS0+t*(pS1+t*(pS2+t*(pS3+t*(pS4+t*pS5)))));
- q = one+t*(qS1+t*(qS2+t*(qS3+t*qS4)));
- w = p/q;
- return x+x*w;
- }
- /* 1> |x|>= 0.5 */
- w = one-fabs(x);
- t = w*0.5;
- p = t*(pS0+t*(pS1+t*(pS2+t*(pS3+t*(pS4+t*pS5)))));
- q = one+t*(qS1+t*(qS2+t*(qS3+t*qS4)));
- s = __ieee754_sqrt(t);
- if(ix>=0x3FEF3333) { /* if |x| > 0.975 */
- w = p/q;
- t = pio2_hi-(2.0*(s+s*w)-pio2_lo);
- } else {
- w = s;
- SET_LOW_WORD(w,0);
- c = (t-w*w)/(s+w);
- r = p/q;
- p = 2.0*s*r-(pio2_lo-2.0*c);
- q = pio4_hi-2.0*w;
- t = pio4_hi-(p-q);
- }
- if(hx>0) return t; else return -t;
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/e_atan2.c b/libjava/classpath/native/fdlibm/e_atan2.c
deleted file mode 100644
index 94491ee..0000000
--- a/libjava/classpath/native/fdlibm/e_atan2.c
+++ /dev/null
@@ -1,131 +0,0 @@
-
-/* @(#)e_atan2.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- *
- */
-
-/* __ieee754_atan2(y,x)
- * Method :
- * 1. Reduce y to positive by atan2(y,x)=-atan2(-y,x).
- * 2. Reduce x to positive by (if x and y are unexceptional):
- * ARG (x+iy) = arctan(y/x) ... if x > 0,
- * ARG (x+iy) = pi - arctan[y/(-x)] ... if x < 0,
- *
- * Special cases:
- *
- * ATAN2((anything), NaN ) is NaN;
- * ATAN2(NAN , (anything) ) is NaN;
- * ATAN2(+-0, +(anything but NaN)) is +-0 ;
- * ATAN2(+-0, -(anything but NaN)) is +-pi ;
- * ATAN2(+-(anything but 0 and NaN), 0) is +-pi/2;
- * ATAN2(+-(anything but INF and NaN), +INF) is +-0 ;
- * ATAN2(+-(anything but INF and NaN), -INF) is +-pi;
- * ATAN2(+-INF,+INF ) is +-pi/4 ;
- * ATAN2(+-INF,-INF ) is +-3pi/4;
- * ATAN2(+-INF, (anything but,0,NaN, and INF)) is +-pi/2;
- *
- * Constants:
- * The hexadecimal values are the intended ones for the following
- * constants. The decimal values may be used, provided that the
- * compiler will convert from decimal to binary accurately enough
- * to produce the hexadecimal values shown.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-tiny = 1.0e-300,
-zero = 0.0,
-pi_o_4 = 7.8539816339744827900E-01, /* 0x3FE921FB, 0x54442D18 */
-pi_o_2 = 1.5707963267948965580E+00, /* 0x3FF921FB, 0x54442D18 */
-pi = 3.1415926535897931160E+00, /* 0x400921FB, 0x54442D18 */
-pi_lo = 1.2246467991473531772E-16; /* 0x3CA1A626, 0x33145C07 */
-
-#ifdef __STDC__
- double __ieee754_atan2(double y, double x)
-#else
- double __ieee754_atan2(y,x)
- double y,x;
-#endif
-{
- double z;
- int32_t k,m,hx,hy,ix,iy;
- uint32_t lx,ly;
-
- EXTRACT_WORDS(hx,lx,x);
- ix = hx&0x7fffffff;
- EXTRACT_WORDS(hy,ly,y);
- iy = hy&0x7fffffff;
- if(((ix|((lx|-lx)>>31))>0x7ff00000)||
- ((iy|((ly|-ly)>>31))>0x7ff00000)) /* x or y is NaN */
- return x+y;
- if(((hx-0x3ff00000)|lx)==0) return atan(y); /* x=1.0 */
- m = ((hy>>31)&1)|((hx>>30)&2); /* 2*sign(x)+sign(y) */
-
- /* when y = 0 */
- if((iy|ly)==0) {
- switch(m) {
- case 0:
- case 1: return y; /* atan(+-0,+anything)=+-0 */
- case 2: return pi+tiny;/* atan(+0,-anything) = pi */
- case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */
- }
- }
- /* when x = 0 */
- if((ix|lx)==0) return (hy<0)? -pi_o_2-tiny: pi_o_2+tiny;
-
- /* when x is INF */
- if(ix==0x7ff00000) {
- if(iy==0x7ff00000) {
- switch(m) {
- case 0: return pi_o_4+tiny;/* atan(+INF,+INF) */
- case 1: return -pi_o_4-tiny;/* atan(-INF,+INF) */
- case 2: return 3.0*pi_o_4+tiny;/*atan(+INF,-INF)*/
- case 3: return -3.0*pi_o_4-tiny;/*atan(-INF,-INF)*/
- }
- } else {
- switch(m) {
- case 0: return zero ; /* atan(+...,+INF) */
- case 1: return -zero ; /* atan(-...,+INF) */
- case 2: return pi+tiny ; /* atan(+...,-INF) */
- case 3: return -pi-tiny ; /* atan(-...,-INF) */
- }
- }
- }
- /* when y is INF */
- if(iy==0x7ff00000) return (hy<0)? -pi_o_2-tiny: pi_o_2+tiny;
-
- /* compute y/x */
- k = (iy-ix)>>20;
- if(k > 60) z=pi_o_2+0.5*pi_lo; /* |y/x| > 2**60 */
- else if(hx<0&&k<-60) z=0.0; /* |y|/x < -2**60 */
- else z=atan(fabs(y/x)); /* safe to do y/x */
- switch (m) {
- case 0: return z ; /* atan(+,+) */
- case 1: {
- uint32_t zh;
- GET_HIGH_WORD(zh,z);
- SET_HIGH_WORD(z, zh ^ 0x80000000);
- }
- return z ; /* atan(-,+) */
- case 2: return pi-(z-pi_lo);/* atan(+,-) */
- default: /* case 3 */
- return (z-pi_lo)-pi;/* atan(-,-) */
- }
-}
-
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/e_cosh.c b/libjava/classpath/native/fdlibm/e_cosh.c
deleted file mode 100644
index 5d731ce..0000000
--- a/libjava/classpath/native/fdlibm/e_cosh.c
+++ /dev/null
@@ -1,92 +0,0 @@
-
-/* @(#)e_cosh.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* __ieee754_cosh(x)
- * Method :
- * mathematically cosh(x) if defined to be (exp(x)+exp(-x))/2
- * 1. Replace x by |x| (cosh(x) = cosh(-x)).
- * 2.
- * [ exp(x) - 1 ]^2
- * 0 <= x <= ln2/2 : cosh(x) := 1 + -------------------
- * 2*exp(x)
- *
- * exp(x) + 1/exp(x)
- * ln2/2 <= x <= 22 : cosh(x) := -------------------
- * 2
- * 22 <= x <= lnovft : cosh(x) := exp(x)/2
- * lnovft <= x <= ln2ovft: cosh(x) := exp(x/2)/2 * exp(x/2)
- * ln2ovft < x : cosh(x) := huge*huge (overflow)
- *
- * Special cases:
- * cosh(x) is |x| if x is +INF, -INF, or NaN.
- * only cosh(0)=1 is exact for finite x.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double one = 1.0, half=0.5, huge = 1.0e300;
-#else
-static double one = 1.0, half=0.5, huge = 1.0e300;
-#endif
-
-#ifdef __STDC__
- double __ieee754_cosh(double x)
-#else
- double __ieee754_cosh(x)
- double x;
-#endif
-{
- double t,w;
- int32_t ix;
- uint32_t lx;
-
- /* High word of |x|. */
- GET_HIGH_WORD(ix,x);
- ix &= 0x7fffffff;
-
- /* x is INF or NaN */
- if(ix>=0x7ff00000) return x*x;
-
- /* |x| in [0,0.5*ln2], return 1+expm1(|x|)^2/(2*exp(|x|)) */
- if(ix<0x3fd62e43) {
- t = expm1(fabs(x));
- w = one+t;
- if (ix<0x3c800000) return w; /* cosh(tiny) = 1 */
- return one+(t*t)/(w+w);
- }
-
- /* |x| in [0.5*ln2,22], return (exp(|x|)+1/exp(|x|)/2; */
- if (ix < 0x40360000) {
- t = __ieee754_exp(fabs(x));
- return half*t+half/t;
- }
-
- /* |x| in [22, log(maxdouble)] return half*exp(|x|) */
- if (ix < 0x40862E42) return half*__ieee754_exp(fabs(x));
-
- /* |x| in [log(maxdouble), overflowthresold] */
- lx = *( (((*(unsigned*)&one)>>29)) + (unsigned*)&x);
- if (ix<0x408633CE ||
- (ix==0x408633ce)&&(lx<=(unsigned)0x8fb9f87d)) {
- w = __ieee754_exp(half*fabs(x));
- t = half*w;
- return t*w;
- }
-
- /* |x| > overflowthresold, cosh(x) overflow */
- return huge*huge;
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/e_exp.c b/libjava/classpath/native/fdlibm/e_exp.c
deleted file mode 100644
index 985150a..0000000
--- a/libjava/classpath/native/fdlibm/e_exp.c
+++ /dev/null
@@ -1,165 +0,0 @@
-
-/* @(#)e_exp.c 1.6 04/04/22 */
-/*
- * ====================================================
- * Copyright (C) 2004 by Sun Microsystems, Inc. All rights reserved.
- *
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* __ieee754_exp(x)
- * Returns the exponential of x.
- *
- * Method
- * 1. Argument reduction:
- * Reduce x to an r so that |r| <= 0.5*ln2 ~ 0.34658.
- * Given x, find r and integer k such that
- *
- * x = k*ln2 + r, |r| <= 0.5*ln2.
- *
- * Here r will be represented as r = hi-lo for better
- * accuracy.
- *
- * 2. Approximation of exp(r) by a special rational function on
- * the interval [0,0.34658]:
- * Write
- * R(r**2) = r*(exp(r)+1)/(exp(r)-1) = 2 + r*r/6 - r**4/360 + ...
- * We use a special Remes algorithm on [0,0.34658] to generate
- * a polynomial of degree 5 to approximate R. The maximum error
- * of this polynomial approximation is bounded by 2**-59. In
- * other words,
- * R(z) ~ 2.0 + P1*z + P2*z**2 + P3*z**3 + P4*z**4 + P5*z**5
- * (where z=r*r, and the values of P1 to P5 are listed below)
- * and
- * | 5 | -59
- * | 2.0+P1*z+...+P5*z - R(z) | <= 2
- * | |
- * The computation of exp(r) thus becomes
- * 2*r
- * exp(r) = 1 + -------
- * R - r
- * r*R1(r)
- * = 1 + r + ----------- (for better accuracy)
- * 2 - R1(r)
- * where
- * 2 4 10
- * R1(r) = r - (P1*r + P2*r + ... + P5*r ).
- *
- * 3. Scale back to obtain exp(x):
- * From step 1, we have
- * exp(x) = 2^k * exp(r)
- *
- * Special cases:
- * exp(INF) is INF, exp(NaN) is NaN;
- * exp(-INF) is 0, and
- * for finite argument, only exp(0)=1 is exact.
- *
- * Accuracy:
- * according to an error analysis, the error is always less than
- * 1 ulp (unit in the last place).
- *
- * Misc. info.
- * For IEEE double
- * if x > 7.09782712893383973096e+02 then exp(x) overflow
- * if x < -7.45133219101941108420e+02 then exp(x) underflow
- *
- * Constants:
- * The hexadecimal values are the intended ones for the following
- * constants. The decimal values may be used, provided that the
- * compiler will convert from decimal to binary accurately enough
- * to produce the hexadecimal values shown.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-one = 1.0,
-halF[2] = {0.5,-0.5,},
-huge = 1.0e+300,
-twom1000= 9.33263618503218878990e-302, /* 2**-1000=0x01700000,0*/
-o_threshold= 7.09782712893383973096e+02, /* 0x40862E42, 0xFEFA39EF */
-u_threshold= -7.45133219101941108420e+02, /* 0xc0874910, 0xD52D3051 */
-ln2HI[2] ={ 6.93147180369123816490e-01, /* 0x3fe62e42, 0xfee00000 */
- -6.93147180369123816490e-01,},/* 0xbfe62e42, 0xfee00000 */
-ln2LO[2] ={ 1.90821492927058770002e-10, /* 0x3dea39ef, 0x35793c76 */
- -1.90821492927058770002e-10,},/* 0xbdea39ef, 0x35793c76 */
-invln2 = 1.44269504088896338700e+00, /* 0x3ff71547, 0x652b82fe */
-P1 = 1.66666666666666019037e-01, /* 0x3FC55555, 0x5555553E */
-P2 = -2.77777777770155933842e-03, /* 0xBF66C16C, 0x16BEBD93 */
-P3 = 6.61375632143793436117e-05, /* 0x3F11566A, 0xAF25DE2C */
-P4 = -1.65339022054652515390e-06, /* 0xBEBBBD41, 0xC5D26BF1 */
-P5 = 4.13813679705723846039e-08; /* 0x3E663769, 0x72BEA4D0 */
-
-
-#ifdef __STDC__
- double __ieee754_exp(double x) /* default IEEE double exp */
-#else
- double __ieee754_exp(x) /* default IEEE double exp */
- double x;
-#endif
-{
- double y,hi,lo,c,t;
- int32_t k,xsb;
- uint32_t hx;
-
- GET_HIGH_WORD(hx,x); /* high word of x */
- xsb = (hx>>31)&1; /* sign bit of x */
- hx &= 0x7fffffff; /* high word of |x| */
-
- /* filter out non-finite argument */
- if(hx >= 0x40862E42) { /* if |x|>=709.78... */
- if(hx>=0x7ff00000) {
- uint32_t lx;
- GET_LOW_WORD(lx,x);
- if(((hx&0xfffff)|lx)!=0)
- return x+x; /* NaN */
- else return (xsb==0)? x:0.0; /* exp(+-inf)={inf,0} */
- }
- if(x > o_threshold) return huge*huge; /* overflow */
- if(x < u_threshold) return twom1000*twom1000; /* underflow */
- }
-
- /* argument reduction */
- if(hx > 0x3fd62e42) { /* if |x| > 0.5 ln2 */
- if(hx < 0x3FF0A2B2) { /* and |x| < 1.5 ln2 */
- hi = x-ln2HI[xsb]; lo=ln2LO[xsb]; k = 1-xsb-xsb;
- } else {
- k = (int32_t)(invln2*x+halF[xsb]);
- t = k;
- hi = x - t*ln2HI[0]; /* t*ln2HI is exact here */
- lo = t*ln2LO[0];
- }
- x = hi - lo;
- }
- else if(hx < 0x3e300000) { /* when |x|<2**-28 */
- if(huge+x>one) return one+x;/* trigger inexact */
- }
- else k = 0;
-
- /* x is now in primary range */
- t = x*x;
- c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
- if(k==0) return one-((x*c)/(c-2.0)-x);
- else y = one-((lo-(x*c)/(2.0-c))-hi);
- if(k >= -1021) {
- uint32_t hy;
- GET_HIGH_WORD(hy, y);
- SET_HIGH_WORD(y, hy + (k<<20)); /* add k to y's exponent */
- return y;
- } else {
- uint32_t hy;
- GET_HIGH_WORD(hy, y);
- SET_HIGH_WORD(y, hy + ((k+1000)<<20));/* add k to y's exponent */
- return y*twom1000;
- }
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/e_fmod.c b/libjava/classpath/native/fdlibm/e_fmod.c
deleted file mode 100644
index e3dd4bf..0000000
--- a/libjava/classpath/native/fdlibm/e_fmod.c
+++ /dev/null
@@ -1,139 +0,0 @@
-
-/* @(#)e_fmod.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * __ieee754_fmod(x,y)
- * Return x mod y in exact arithmetic
- * Method: shift and subtract
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double one = 1.0, Zero[] = {0.0, -0.0,};
-#else
-static double one = 1.0, Zero[] = {0.0, -0.0,};
-#endif
-
-#ifdef __STDC__
- double __ieee754_fmod(double x, double y)
-#else
- double __ieee754_fmod(x,y)
- double x,y ;
-#endif
-{
- int32_t n,hx,hy,hz,ix,iy,sx,i;
- uint32_t lx,ly,lz;
-
- EXTRACT_WORDS(hx,lx,x);
- EXTRACT_WORDS(hy,ly,y);
- sx = hx&0x80000000; /* sign of x */
- hx ^=sx; /* |x| */
- hy &= 0x7fffffff; /* |y| */
-
- /* purge off exception values */
- if((hy|ly)==0||(hx>=0x7ff00000)|| /* y=0,or x not finite */
- ((hy|((ly|-ly)>>31))>0x7ff00000)) /* or y is NaN */
- return (x*y)/(x*y);
- if(hx<=hy) {
- if((hx<hy)||(lx<ly)) return x; /* |x|<|y| return x */
- if(lx==ly)
- return Zero[(uint32_t)sx>>31]; /* |x|=|y| return x*0*/
- }
-
- /* determine ix = ilogb(x) */
- if(hx<0x00100000) { /* subnormal x */
- if(hx==0) {
- for (ix = -1043, i=lx; i>0; i<<=1) ix -=1;
- } else {
- for (ix = -1022,i=(hx<<11); i>0; i<<=1) ix -=1;
- }
- } else ix = (hx>>20)-1023;
-
- /* determine iy = ilogb(y) */
- if(hy<0x00100000) { /* subnormal y */
- if(hy==0) {
- for (iy = -1043, i=ly; i>0; i<<=1) iy -=1;
- } else {
- for (iy = -1022,i=(hy<<11); i>0; i<<=1) iy -=1;
- }
- } else iy = (hy>>20)-1023;
-
- /* set up {hx,lx}, {hy,ly} and align y to x */
- if(ix >= -1022)
- hx = 0x00100000|(0x000fffff&hx);
- else { /* subnormal x, shift x to normal */
- n = -1022-ix;
- if(n<=31) {
- hx = (hx<<n)|(lx>>(32-n));
- lx <<= n;
- } else {
- hx = lx<<(n-32);
- lx = 0;
- }
- }
- if(iy >= -1022)
- hy = 0x00100000|(0x000fffff&hy);
- else { /* subnormal y, shift y to normal */
- n = -1022-iy;
- if(n<=31) {
- hy = (hy<<n)|(ly>>(32-n));
- ly <<= n;
- } else {
- hy = ly<<(n-32);
- ly = 0;
- }
- }
-
- /* fix point fmod */
- n = ix - iy;
- while(n--) {
- hz=hx-hy;lz=lx-ly; if(lx<ly) hz -= 1;
- if(hz<0){hx = hx+hx+(lx>>31); lx = lx+lx;}
- else {
- if((hz|lz)==0) /* return sign(x)*0 */
- return Zero[(uint32_t)sx>>31];
- hx = hz+hz+(lz>>31); lx = lz+lz;
- }
- }
- hz=hx-hy;lz=lx-ly; if(lx<ly) hz -= 1;
- if(hz>=0) {hx=hz;lx=lz;}
-
- /* convert back to floating value and restore the sign */
- if((hx|lx)==0) /* return sign(x)*0 */
- return Zero[(unsigned)sx>>31];
- while(hx<0x00100000) { /* normalize x */
- hx = hx+hx+(lx>>31); lx = lx+lx;
- iy -= 1;
- }
- if(iy>= -1022) { /* normalize output */
- hx = ((hx-0x00100000)|((iy+1023)<<20));
- INSERT_WORDS(x,hx|sx,lx);
- } else { /* subnormal output */
- n = -1022 - iy;
- if(n<=20) {
- lx = (lx>>n)|((uint32_t)hx<<(32-n));
- hx >>= n;
- } else if (n<=31) {
- lx = (hx<<(32-n))|(lx>>n); hx = sx;
- } else {
- lx = hx>>(n-32); hx = sx;
- }
- INSERT_WORDS(x,hx|sx,lx);
- x *= one; /* create necessary signal */
- }
- return x; /* exact output */
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/e_hypot.c b/libjava/classpath/native/fdlibm/e_hypot.c
deleted file mode 100644
index 3946287..0000000
--- a/libjava/classpath/native/fdlibm/e_hypot.c
+++ /dev/null
@@ -1,129 +0,0 @@
-
-/* @(#)e_hypot.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* __ieee754_hypot(x,y)
- *
- * Method :
- * If (assume round-to-nearest) z=x*x+y*y
- * has error less than sqrt(2)/2 ulp, than
- * sqrt(z) has error less than 1 ulp (exercise).
- *
- * So, compute sqrt(x*x+y*y) with some care as
- * follows to get the error below 1 ulp:
- *
- * Assume x>y>0;
- * (if possible, set rounding to round-to-nearest)
- * 1. if x > 2y use
- * x1*x1+(y*y+(x2*(x+x1))) for x*x+y*y
- * where x1 = x with lower 32 bits cleared, x2 = x-x1; else
- * 2. if x <= 2y use
- * t1*y1+((x-y)*(x-y)+(t1*y2+t2*y))
- * where t1 = 2x with lower 32 bits cleared, t2 = 2x-t1,
- * y1= y with lower 32 bits chopped, y2 = y-y1.
- *
- * NOTE: scaling may be necessary if some argument is too
- * large or too tiny
- *
- * Special cases:
- * hypot(x,y) is INF if x or y is +INF or -INF; else
- * hypot(x,y) is NAN if x or y is NAN.
- *
- * Accuracy:
- * hypot(x,y) returns sqrt(x^2+y^2) with error less
- * than 1 ulps (units in the last place)
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
- double __ieee754_hypot(double x, double y)
-#else
- double __ieee754_hypot(x,y)
- double x, y;
-#endif
-{
- double a=x,b=y,t1,t2,y1,y2,w;
- uint32_t j,k,ha,hb,hx,hy;
-
- GET_HIGH_WORD(hx,x);
- GET_HIGH_WORD(hy,y);
- ha = hx&0x7fffffff; /* high word of x */
- hb = hy&0x7fffffff; /* high word of y */
- if(hb > ha) {a=y;b=x;j=ha; ha=hb;hb=j;} else {a=x;b=y;}
- SET_HIGH_WORD(a,ha); /* a <- |a| */
- SET_HIGH_WORD(b,hb); /* b <- |b| */
- if((ha-hb)>0x3c00000) {return a+b;} /* x/y > 2**60 */
- k=0;
- if(ha > 0x5f300000) { /* a>2**500 */
- if(ha >= 0x7ff00000) { /* Inf or NaN */
- uint32_t la, lb;
- w = a+b; /* for sNaN */
- GET_LOW_WORD(la,a);
- GET_LOW_WORD(lb,b);
- if(((ha&0xfffff)|la)==0) w = a;
- if(((hb^0x7ff00000)|lb)==0) w = b;
- return w;
- }
- /* scale a and b by 2**-600 */
- ha -= 0x25800000; hb -= 0x25800000; k += 600;
- SET_HIGH_WORD(a,ha);
- SET_HIGH_WORD(b,hb);
- }
- if(hb < 0x20b00000) { /* b < 2**-500 */
- if(hb <= 0x000fffff) { /* subnormal b or 0 */
- uint32_t lb;
- GET_LOW_WORD(lb,b);
- if((hb|lb)==0) return a;
- t1=0;
- SET_HIGH_WORD(t1, 0x7fd00000); /* t1=2^1022 */
- b *= t1;
- a *= t1;
- k -= 1022;
- } else { /* scale a and b by 2^600 */
- ha += 0x25800000; /* a *= 2^600 */
- hb += 0x25800000; /* b *= 2^600 */
- k -= 600;
-
- SET_HIGH_WORD(a,ha);
- SET_HIGH_WORD(b,hb);
- }
- }
- /* medium size a and b */
- w = a-b;
- if (w>b) {
- t1 = 0;
- SET_HIGH_WORD(t1, ha);
- t2 = a-t1;
- w = sqrt(t1*t1-(b*(-b)-t2*(a+t1)));
- } else {
- a = a+a;
- y1 = 0;
- SET_HIGH_WORD(y1, hb);
- y2 = b - y1;
- t1 = 0;
- SET_HIGH_WORD(t1, ha+0x00100000);
- t2 = a - t1;
- w = sqrt(t1*y1-(w*(-w)-(t1*y2+t2*b)));
- }
- if(k!=0) {
- uint32_t ht1;
-
- t1 = 1.0;
- GET_HIGH_WORD(ht1, t1);
- SET_HIGH_WORD(t1, ht1 + (k<<20));
- return t1*w;
- } else return w;
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/e_log.c b/libjava/classpath/native/fdlibm/e_log.c
deleted file mode 100644
index dede84d..0000000
--- a/libjava/classpath/native/fdlibm/e_log.c
+++ /dev/null
@@ -1,151 +0,0 @@
-
-/* @(#)e_log.c 1.4 96/03/07 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* __ieee754_log(x)
- * Return the logrithm of x
- *
- * Method :
- * 1. Argument Reduction: find k and f such that
- * x = 2^k * (1+f),
- * where sqrt(2)/2 < 1+f < sqrt(2) .
- *
- * 2. Approximation of log(1+f).
- * Let s = f/(2+f) ; based on log(1+f) = log(1+s) - log(1-s)
- * = 2s + 2/3 s**3 + 2/5 s**5 + .....,
- * = 2s + s*R
- * We use a special Remes algorithm on [0,0.1716] to generate
- * a polynomial of degree 14 to approximate R The maximum error
- * of this polynomial approximation is bounded by 2**-58.45. In
- * other words,
- * 2 4 6 8 10 12 14
- * R(z) ~ Lg1*s +Lg2*s +Lg3*s +Lg4*s +Lg5*s +Lg6*s +Lg7*s
- * (the values of Lg1 to Lg7 are listed in the program)
- * and
- * | 2 14 | -58.45
- * | Lg1*s +...+Lg7*s - R(z) | <= 2
- * | |
- * Note that 2s = f - s*f = f - hfsq + s*hfsq, where hfsq = f*f/2.
- * In order to guarantee error in log below 1ulp, we compute log
- * by
- * log(1+f) = f - s*(f - R) (if f is not too large)
- * log(1+f) = f - (hfsq - s*(hfsq+R)). (better accuracy)
- *
- * 3. Finally, log(x) = k*ln2 + log(1+f).
- * = k*ln2_hi+(f-(hfsq-(s*(hfsq+R)+k*ln2_lo)))
- * Here ln2 is split into two floating point number:
- * ln2_hi + ln2_lo,
- * where n*ln2_hi is always exact for |n| < 2000.
- *
- * Special cases:
- * log(x) is NaN with signal if x < 0 (including -INF) ;
- * log(+INF) is +INF; log(0) is -INF with signal;
- * log(NaN) is that NaN with no signal.
- *
- * Accuracy:
- * according to an error analysis, the error is always less than
- * 1 ulp (unit in the last place).
- *
- * Constants:
- * The hexadecimal values are the intended ones for the following
- * constants. The decimal values may be used, provided that the
- * compiler will convert from decimal to binary accurately enough
- * to produce the hexadecimal values shown.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-ln2_hi = 6.93147180369123816490e-01, /* 3fe62e42 fee00000 */
-ln2_lo = 1.90821492927058770002e-10, /* 3dea39ef 35793c76 */
-two54 = 1.80143985094819840000e+16, /* 43500000 00000000 */
-Lg1 = 6.666666666666735130e-01, /* 3FE55555 55555593 */
-Lg2 = 3.999999999940941908e-01, /* 3FD99999 9997FA04 */
-Lg3 = 2.857142874366239149e-01, /* 3FD24924 94229359 */
-Lg4 = 2.222219843214978396e-01, /* 3FCC71C5 1D8E78AF */
-Lg5 = 1.818357216161805012e-01, /* 3FC74664 96CB03DE */
-Lg6 = 1.531383769920937332e-01, /* 3FC39A09 D078C69F */
-Lg7 = 1.479819860511658591e-01; /* 3FC2F112 DF3E5244 */
-
-#ifdef __STDC__
-static const double zero = 0.0;
-#else
-static double zero = 0.0;
-#endif
-
-#ifdef __STDC__
- double __ieee754_log(double x)
-#else
- double __ieee754_log(x)
- double x;
-#endif
-{
- double hfsq,f,s,z,R,w,t1,t2,dk;
- int32_t k,hx,i,j;
- uint32_t lx;
-
- EXTRACT_WORDS(hx,lx,x);
-
- k=0;
- if (hx < 0x00100000) { /* x < 2**-1022 */
- if (((hx&0x7fffffff)|lx)==0)
- return -two54/zero; /* log(+-0)=-inf */
- if (hx<0) return (x-x)/zero; /* log(-#) = NaN */
- k -= 54; x *= two54; /* subnormal number, scale up x */
- GET_HIGH_WORD(hx,x); /* high word of x */
- }
- if (hx >= 0x7ff00000) return x+x;
- k += (hx>>20)-1023;
- hx &= 0x000fffff;
- i = (hx+0x95f64)&0x100000;
- SET_HIGH_WORD(x,hx|(i^0x3ff00000)); /* normalize x or x/2 */
- k += (i>>20);
- f = x-1.0;
- if((0x000fffff&(2+hx))<3) { /* |f| < 2**-20 */
- if(f==zero) {
- if(k==0)
- return zero;
- else {
- dk=(double)k;
- return dk*ln2_hi+dk*ln2_lo;
- }
- }
- R = f*f*(0.5-0.33333333333333333*f);
- if(k==0) return f-R; else {dk=(double)k;
- return dk*ln2_hi-((R-dk*ln2_lo)-f);}
- }
- s = f/(2.0+f);
- dk = (double)k;
- z = s*s;
- i = hx-0x6147a;
- w = z*z;
- j = 0x6b851-hx;
- t1= w*(Lg2+w*(Lg4+w*Lg6));
- t2= z*(Lg1+w*(Lg3+w*(Lg5+w*Lg7)));
- i |= j;
- R = t2+t1;
- if(i>0) {
- hfsq=0.5*f*f;
- if(k==0) return f-(hfsq-s*(hfsq+R)); else
- return dk*ln2_hi-((hfsq-(s*(hfsq+R)+dk*ln2_lo))-f);
- } else {
- if(k==0) return f-s*(f-R); else
- return dk*ln2_hi-((s*(f-R)-dk*ln2_lo)-f);
- }
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/e_log10.c b/libjava/classpath/native/fdlibm/e_log10.c
deleted file mode 100644
index 2db17aa..0000000
--- a/libjava/classpath/native/fdlibm/e_log10.c
+++ /dev/null
@@ -1,93 +0,0 @@
-
-/* @(#)e_log10.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* __ieee754_log10(x)
- * Return the base 10 logarithm of x
- *
- * Method :
- * Let log10_2hi = leading 40 bits of log10(2) and
- * log10_2lo = log10(2) - log10_2hi,
- * ivln10 = 1/log(10) rounded.
- * Then
- * n = ilogb(x),
- * if(n<0) n = n+1;
- * x = scalbn(x,-n);
- * log10(x) := n*log10_2hi + (n*log10_2lo + ivln10*log(x))
- *
- * Note 1:
- * To guarantee log10(10**n)=n, where 10**n is normal, the rounding
- * mode must set to Round-to-Nearest.
- * Note 2:
- * [1/log(10)] rounded to 53 bits has error .198 ulps;
- * log10 is monotonic at all binary break points.
- *
- * Special cases:
- * log10(x) is NaN with signal if x < 0;
- * log10(+INF) is +INF with no signal; log10(0) is -INF with signal;
- * log10(NaN) is that NaN with no signal;
- * log10(10**N) = N for N=0,1,...,22.
- *
- * Constants:
- * The hexadecimal values are the intended ones for the following constants.
- * The decimal values may be used, provided that the compiler will convert
- * from decimal to binary accurately enough to produce the hexadecimal values
- * shown.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-two54 = 1.80143985094819840000e+16, /* 0x43500000, 0x00000000 */
-ivln10 = 4.34294481903251816668e-01, /* 0x3FDBCB7B, 0x1526E50E */
-log10_2hi = 3.01029995663611771306e-01, /* 0x3FD34413, 0x509F6000 */
-log10_2lo = 3.69423907715893078616e-13; /* 0x3D59FEF3, 0x11F12B36 */
-
-static double zero = 0.0;
-
-#ifdef __STDC__
- double __ieee754_log10(double x)
-#else
- double __ieee754_log10(x)
- double x;
-#endif
-{
- double y,z;
- int32_t i,k,hx;
- uint32_t lx;
-
- EXTRACT_WORDS(hx,lx,x);
-
- k=0;
- if (hx < 0x00100000) { /* x < 2**-1022 */
- if (((hx&0x7fffffff)|lx)==0)
- return -two54/zero; /* log(+-0)=-inf */
- if (hx<0) return (x-x)/zero; /* log(-#) = NaN */
- k -= 54; x *= two54; /* subnormal number, scale up x */
- GET_HIGH_WORD(hx, x); /* high word of x */
- }
- if (hx >= 0x7ff00000) return x+x;
- k += (hx>>20)-1023;
- i = ((uint32_t)k&0x80000000)>>31;
- hx = (hx&0x000fffff)|((0x3ff-i)<<20);
- y = (double)(k+i);
- SET_HIGH_WORD(x,hx);
- z = y*log10_2lo + ivln10*__ieee754_log(x);
- return z+y*log10_2hi;
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/e_pow.c b/libjava/classpath/native/fdlibm/e_pow.c
deleted file mode 100644
index f846cfa..0000000
--- a/libjava/classpath/native/fdlibm/e_pow.c
+++ /dev/null
@@ -1,312 +0,0 @@
-
-/*
- * ====================================================
- * Copyright (C) 2004 by Sun Microsystems, Inc. All rights reserved.
- *
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* __ieee754_pow(x,y) return x**y
- *
- * n
- * Method: Let x = 2 * (1+f)
- * 1. Compute and return log2(x) in two pieces:
- * log2(x) = w1 + w2,
- * where w1 has 53-24 = 29 bit trailing zeros.
- * 2. Perform y*log2(x) = n+y' by simulating muti-precision
- * arithmetic, where |y'|<=0.5.
- * 3. Return x**y = 2**n*exp(y'*log2)
- *
- * Special cases:
- * 1. (anything) ** 0 is 1
- * 2. (anything) ** 1 is itself
- * 3. (anything) ** NAN is NAN
- * 4. NAN ** (anything except 0) is NAN
- * 5. +-(|x| > 1) ** +INF is +INF
- * 6. +-(|x| > 1) ** -INF is +0
- * 7. +-(|x| < 1) ** +INF is +0
- * 8. +-(|x| < 1) ** -INF is +INF
- * 9. +-1 ** +-INF is NAN
- * 10. +0 ** (+anything except 0, NAN) is +0
- * 11. -0 ** (+anything except 0, NAN, odd integer) is +0
- * 12. +0 ** (-anything except 0, NAN) is +INF
- * 13. -0 ** (-anything except 0, NAN, odd integer) is +INF
- * 14. -0 ** (odd integer) = -( +0 ** (odd integer) )
- * 15. +INF ** (+anything except 0,NAN) is +INF
- * 16. +INF ** (-anything except 0,NAN) is +0
- * 17. -INF ** (anything) = -0 ** (-anything)
- * 18. (-anything) ** (integer) is (-1)**(integer)*(+anything**integer)
- * 19. (-anything except 0 and inf) ** (non-integer) is NAN
- *
- * Accuracy:
- * pow(x,y) returns x**y nearly rounded. In particular
- * pow(integer,integer)
- * always returns the correct integer provided it is
- * representable.
- *
- * Constants :
- * The hexadecimal values are the intended ones for the following
- * constants. The decimal values may be used, provided that the
- * compiler will convert from decimal to binary accurately enough
- * to produce the hexadecimal values shown.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-bp[] = {1.0, 1.5,},
-dp_h[] = { 0.0, 5.84962487220764160156e-01,}, /* 0x3FE2B803, 0x40000000 */
-dp_l[] = { 0.0, 1.35003920212974897128e-08,}, /* 0x3E4CFDEB, 0x43CFD006 */
-zero = 0.0,
-one = 1.0,
-two = 2.0,
-two53 = 9007199254740992.0, /* 0x43400000, 0x00000000 */
-huge = 1.0e300,
-tiny = 1.0e-300,
- /* poly coefs for (3/2)*(log(x)-2s-2/3*s**3 */
-L1 = 5.99999999999994648725e-01, /* 0x3FE33333, 0x33333303 */
-L2 = 4.28571428578550184252e-01, /* 0x3FDB6DB6, 0xDB6FABFF */
-L3 = 3.33333329818377432918e-01, /* 0x3FD55555, 0x518F264D */
-L4 = 2.72728123808534006489e-01, /* 0x3FD17460, 0xA91D4101 */
-L5 = 2.30660745775561754067e-01, /* 0x3FCD864A, 0x93C9DB65 */
-L6 = 2.06975017800338417784e-01, /* 0x3FCA7E28, 0x4A454EEF */
-P1 = 1.66666666666666019037e-01, /* 0x3FC55555, 0x5555553E */
-P2 = -2.77777777770155933842e-03, /* 0xBF66C16C, 0x16BEBD93 */
-P3 = 6.61375632143793436117e-05, /* 0x3F11566A, 0xAF25DE2C */
-P4 = -1.65339022054652515390e-06, /* 0xBEBBBD41, 0xC5D26BF1 */
-P5 = 4.13813679705723846039e-08, /* 0x3E663769, 0x72BEA4D0 */
-lg2 = 6.93147180559945286227e-01, /* 0x3FE62E42, 0xFEFA39EF */
-lg2_h = 6.93147182464599609375e-01, /* 0x3FE62E43, 0x00000000 */
-lg2_l = -1.90465429995776804525e-09, /* 0xBE205C61, 0x0CA86C39 */
-ovt = 8.0085662595372944372e-0017, /* -(1024-log2(ovfl+.5ulp)) */
-cp = 9.61796693925975554329e-01, /* 0x3FEEC709, 0xDC3A03FD =2/(3ln2) */
-cp_h = 9.61796700954437255859e-01, /* 0x3FEEC709, 0xE0000000 =(float)cp */
-cp_l = -7.02846165095275826516e-09, /* 0xBE3E2FE0, 0x145B01F5 =tail of cp_h*/
-ivln2 = 1.44269504088896338700e+00, /* 0x3FF71547, 0x652B82FE =1/ln2 */
-ivln2_h = 1.44269502162933349609e+00, /* 0x3FF71547, 0x60000000 =24b 1/ln2*/
-ivln2_l = 1.92596299112661746887e-08; /* 0x3E54AE0B, 0xF85DDF44 =1/ln2 tail*/
-
-#ifdef __STDC__
- double __ieee754_pow(double x, double y)
-#else
- double __ieee754_pow(x,y)
- double x, y;
-#endif
-{
- double z,ax,z_h,z_l,p_h,p_l;
- double y1,t1,t2,r,s,t,u,v,w;
- int32_t i0,i1,i,j,k,yisint,n;
- int32_t hx,hy,ix,iy;
- uint32_t lx,ly;
-
- i0 = ((*(int*)&one)>>29)^1; i1=1-i0;
- EXTRACT_WORDS(hx,lx,x);
- EXTRACT_WORDS(hy,ly,y);
- ix = hx&0x7fffffff; iy = hy&0x7fffffff;
-
- /* y==zero: x**0 = 1 */
- if((iy|ly)==0) return one;
-
- /* +-NaN return x+y */
- if(ix > 0x7ff00000 || ((ix==0x7ff00000)&&(lx!=0)) ||
- iy > 0x7ff00000 || ((iy==0x7ff00000)&&(ly!=0)))
- return x+y;
-
- /* determine if y is an odd int when x < 0
- * yisint = 0 ... y is not an integer
- * yisint = 1 ... y is an odd int
- * yisint = 2 ... y is an even int
- */
- yisint = 0;
- if(hx<0) {
- if(iy>=0x43400000) yisint = 2; /* even integer y */
- else if(iy>=0x3ff00000) {
- k = (iy>>20)-0x3ff; /* exponent */
- if(k>20) {
- j = ly>>(52-k);
- if((uint32_t)(j<<(52-k))==ly) yisint = 2-(j&1);
- } else if(ly==0) {
- j = iy>>(20-k);
- if((j<<(20-k))==iy) yisint = 2-(j&1);
- }
- }
- }
-
- /* special value of y */
- if(ly==0) {
- if (iy==0x7ff00000) { /* y is +-inf */
- if(((ix-0x3ff00000)|lx)==0)
- return y - y; /* inf**+-1 is NaN */
- else if (ix >= 0x3ff00000)/* (|x|>1)**+-inf = inf,0 */
- return (hy>=0)? y: zero;
- else /* (|x|<1)**-,+inf = inf,0 */
- return (hy<0)?-y: zero;
- }
- if(iy==0x3ff00000) { /* y is +-1 */
- if(hy<0) return one/x; else return x;
- }
- if(hy==0x40000000) return x*x; /* y is 2 */
- if(hy==0x3fe00000) { /* y is 0.5 */
- if(hx>=0) /* x >= +0 */
- return __ieee754_sqrt(x);
- }
- }
-
- ax = fabs(x);
- /* special value of x */
- if(lx==0) {
- if(ix==0x7ff00000||ix==0||ix==0x3ff00000){
- z = ax; /*x is +-0,+-inf,+-1*/
- if(hy<0) z = one/z; /* z = (1/|x|) */
- if(hx<0) {
- if(((ix-0x3ff00000)|yisint)==0) {
- z = (z-z)/(z-z); /* (-1)**non-int is NaN */
- } else if(yisint==1)
- z = -z; /* (x<0)**odd = -(|x|**odd) */
- }
- return z;
- }
- }
-
- n = (hx>>31)+1;
-
- /* (x<0)**(non-int) is NaN */
- if((n|yisint)==0) return (x-x)/(x-x);
-
- s = one; /* s (sign of result -ve**odd) = -1 else = 1 */
- if((n|(yisint-1))==0) s = -one;/* (-ve)**(odd int) */
-
- /* |y| is huge */
- if(iy>0x41e00000) { /* if |y| > 2**31 */
- if(iy>0x43f00000){ /* if |y| > 2**64, must o/uflow */
- if(ix<=0x3fefffff) return (hy<0)? huge*huge:tiny*tiny;
- if(ix>=0x3ff00000) return (hy>0)? huge*huge:tiny*tiny;
- }
- /* over/underflow if x is not close to one */
- if(ix<0x3fefffff) return (hy<0)? s*huge*huge:s*tiny*tiny;
- if(ix>0x3ff00000) return (hy>0)? s*huge*huge:s*tiny*tiny;
- /* now |1-x| is tiny <= 2**-20, suffice to compute
- log(x) by x-x^2/2+x^3/3-x^4/4 */
- t = ax-one; /* t has 20 trailing zeros */
- w = (t*t)*(0.5-t*(0.3333333333333333333333-t*0.25));
- u = ivln2_h*t; /* ivln2_h has 21 sig. bits */
- v = t*ivln2_l-w*ivln2;
- t1 = u+v;
- SET_LOW_WORD(t1,0);
- t2 = v-(t1-u);
- } else {
- double ss,s2,s_h,s_l,t_h,t_l;
- n = 0;
- /* take care subnormal number */
- if(ix<0x00100000)
- {ax *= two53; n -= 53; GET_HIGH_WORD(ix,ax); }
- n += ((ix)>>20)-0x3ff;
- j = ix&0x000fffff;
- /* determine interval */
- ix = j|0x3ff00000; /* normalize ix */
- if(j<=0x3988E) k=0; /* |x|<sqrt(3/2) */
- else if(j<0xBB67A) k=1; /* |x|<sqrt(3) */
- else {k=0;n+=1;ix -= 0x00100000;}
- SET_HIGH_WORD(ax,ix);
-
- /* compute ss = s_h+s_l = (x-1)/(x+1) or (x-1.5)/(x+1.5) */
- u = ax-bp[k]; /* bp[0]=1.0, bp[1]=1.5 */
- v = one/(ax+bp[k]);
- ss = u*v;
- s_h = ss;
- SET_LOW_WORD(s_h,0);
- /* t_h=ax+bp[k] High */
- t_h = zero;
- SET_HIGH_WORD(t_h,((ix>>1)|0x20000000)+0x00080000+(k<<18));
- t_l = ax - (t_h-bp[k]);
- s_l = v*((u-s_h*t_h)-s_h*t_l);
- /* compute log(ax) */
- s2 = ss*ss;
- r = s2*s2*(L1+s2*(L2+s2*(L3+s2*(L4+s2*(L5+s2*L6)))));
- r += s_l*(s_h+ss);
- s2 = s_h*s_h;
- t_h = 3.0+s2+r;
- SET_LOW_WORD(t_h,0);
- t_l = r-((t_h-3.0)-s2);
- /* u+v = ss*(1+...) */
- u = s_h*t_h;
- v = s_l*t_h+t_l*ss;
- /* 2/(3log2)*(ss+...) */
- p_h = u+v;
- SET_LOW_WORD(p_h,0);
- p_l = v-(p_h-u);
- z_h = cp_h*p_h; /* cp_h+cp_l = 2/(3*log2) */
- z_l = cp_l*p_h+p_l*cp+dp_l[k];
- /* log2(ax) = (ss+..)*2/(3*log2) = n + dp_h + z_h + z_l */
- t = (double)n;
- t1 = (((z_h+z_l)+dp_h[k])+t);
- SET_LOW_WORD(t1,0);
- t2 = z_l-(((t1-t)-dp_h[k])-z_h);
- }
-
- /* split up y into y1+y2 and compute (y1+y2)*(t1+t2) */
- y1 = y;
- SET_LOW_WORD(y1,0);
- p_l = (y-y1)*t1+y*t2;
- p_h = y1*t1;
- z = p_l+p_h;
- EXTRACT_WORDS(j,i,z);
- if (j>=0x40900000) { /* z >= 1024 */
- if(((j-0x40900000)|i)!=0) /* if z > 1024 */
- return s*huge*huge; /* overflow */
- else {
- if(p_l+ovt>z-p_h) return s*huge*huge; /* overflow */
- }
- } else if((j&0x7fffffff)>=0x4090cc00 ) { /* z <= -1075 */
- if(((j-0xc090cc00)|i)!=0) /* z < -1075 */
- return s*tiny*tiny; /* underflow */
- else {
- if(p_l<=z-p_h) return s*tiny*tiny; /* underflow */
- }
- }
- /*
- * compute 2**(p_h+p_l)
- */
- i = j&0x7fffffff;
- k = (i>>20)-0x3ff;
- n = 0;
- if(i>0x3fe00000) { /* if |z| > 0.5, set n = [z+0.5] */
- n = j+(0x00100000>>(k+1));
- k = ((n&0x7fffffff)>>20)-0x3ff; /* new k for n */
- t = zero;
- SET_HIGH_WORD(t,(n&~(0x000fffff>>k)));
- n = ((n&0x000fffff)|0x00100000)>>(20-k);
- if(j<0) n = -n;
- p_h -= t;
- }
- t = p_l+p_h;
- SET_LOW_WORD(t,0);
- u = t*lg2_h;
- v = (p_l-(t-p_h))*lg2+t*lg2_l;
- z = u+v;
- w = v-(z-u);
- t = z*z;
- t1 = z - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
- r = (z*t1)/(t1-two)-(w+z*w);
- z = one-(r-z);
- GET_HIGH_WORD(j,z);
- j += (n<<20);
- if((j>>20)<=0) z = scalbn(z,n); /* subnormal output */
- else
- {
- uint32_t hz;
- GET_HIGH_WORD(hz,z);
- SET_HIGH_WORD(z,hz + (n<<20));
- }
- return s*z;
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/e_rem_pio2.c b/libjava/classpath/native/fdlibm/e_rem_pio2.c
deleted file mode 100644
index 6df3de2..0000000
--- a/libjava/classpath/native/fdlibm/e_rem_pio2.c
+++ /dev/null
@@ -1,185 +0,0 @@
-
-/* @(#)e_rem_pio2.c 1.4 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- *
- */
-
-/* __ieee754_rem_pio2(x,y)
- *
- * return the remainder of x rem pi/2 in y[0]+y[1]
- * use __kernel_rem_pio2()
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-/*
- * Table of constants for 2/pi, 396 Hex digits (476 decimal) of 2/pi
- */
-#ifdef __STDC__
-static const int32_t two_over_pi[] = {
-#else
-static int32_t two_over_pi[] = {
-#endif
-0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62,
-0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A,
-0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129,
-0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41,
-0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8,
-0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF,
-0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5,
-0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08,
-0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3,
-0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880,
-0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B,
-};
-
-#ifdef __STDC__
-static const int32_t npio2_hw[] = {
-#else
-static int32_t npio2_hw[] = {
-#endif
-0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C,
-0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C,
-0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A,
-0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C,
-0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB,
-0x404858EB, 0x404921FB,
-};
-
-/*
- * invpio2: 53 bits of 2/pi
- * pio2_1: first 33 bit of pi/2
- * pio2_1t: pi/2 - pio2_1
- * pio2_2: second 33 bit of pi/2
- * pio2_2t: pi/2 - (pio2_1+pio2_2)
- * pio2_3: third 33 bit of pi/2
- * pio2_3t: pi/2 - (pio2_1+pio2_2+pio2_3)
- */
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-zero = 0.00000000000000000000e+00, /* 0x00000000, 0x00000000 */
-half = 5.00000000000000000000e-01, /* 0x3FE00000, 0x00000000 */
-two24 = 1.67772160000000000000e+07, /* 0x41700000, 0x00000000 */
-invpio2 = 6.36619772367581382433e-01, /* 0x3FE45F30, 0x6DC9C883 */
-pio2_1 = 1.57079632673412561417e+00, /* 0x3FF921FB, 0x54400000 */
-pio2_1t = 6.07710050650619224932e-11, /* 0x3DD0B461, 0x1A626331 */
-pio2_2 = 6.07710050630396597660e-11, /* 0x3DD0B461, 0x1A600000 */
-pio2_2t = 2.02226624879595063154e-21, /* 0x3BA3198A, 0x2E037073 */
-pio2_3 = 2.02226624871116645580e-21, /* 0x3BA3198A, 0x2E000000 */
-pio2_3t = 8.47842766036889956997e-32; /* 0x397B839A, 0x252049C1 */
-
-#ifdef __STDC__
- int32_t __ieee754_rem_pio2(double x, double *y)
-#else
- int32_t __ieee754_rem_pio2(x,y)
- double x,y[];
-#endif
-{
- double z = 0.,w,t,r,fn;
- double tx[3];
- int32_t i,j,n,ix,hx;
- int e0,nx;
- uint32_t low;
-
- GET_HIGH_WORD(hx,x); /* high word of x */
- ix = hx&0x7fffffff;
- if(ix<=0x3fe921fb) /* |x| ~<= pi/4 , no need for reduction */
- {y[0] = x; y[1] = 0; return 0;}
- if(ix<0x4002d97c) { /* |x| < 3pi/4, special case with n=+-1 */
- if(hx>0) {
- z = x - pio2_1;
- if(ix!=0x3ff921fb) { /* 33+53 bit pi is good enough */
- y[0] = z - pio2_1t;
- y[1] = (z-y[0])-pio2_1t;
- } else { /* near pi/2, use 33+33+53 bit pi */
- z -= pio2_2;
- y[0] = z - pio2_2t;
- y[1] = (z-y[0])-pio2_2t;
- }
- return 1;
- } else { /* negative x */
- z = x + pio2_1;
- if(ix!=0x3ff921fb) { /* 33+53 bit pi is good enough */
- y[0] = z + pio2_1t;
- y[1] = (z-y[0])+pio2_1t;
- } else { /* near pi/2, use 33+33+53 bit pi */
- z += pio2_2;
- y[0] = z + pio2_2t;
- y[1] = (z-y[0])+pio2_2t;
- }
- return -1;
- }
- }
- if(ix<=0x413921fb) { /* |x| ~<= 2^19*(pi/2), medium size */
- t = fabs(x);
- n = (int32_t) (t*invpio2+half);
- fn = (double)n;
- r = t-fn*pio2_1;
- w = fn*pio2_1t; /* 1st round good to 85 bit */
- if(n<32&&ix!=npio2_hw[n-1]) {
- y[0] = r-w; /* quick check no cancellation */
- } else {
- uint32_t high;
-
- j = ix>>20;
- y[0] = r-w;
- GET_HIGH_WORD(high, y[0]);
- i = j-((high>>20)&0x7ff);
- if(i>16) { /* 2nd iteration needed, good to 118 */
- t = r;
- w = fn*pio2_2;
- r = t-w;
- w = fn*pio2_2t-((t-r)-w);
- y[0] = r-w;
- GET_HIGH_WORD(high,y[0]);
- i = j-((high>>20)&0x7ff);
- if(i>49) { /* 3rd iteration need, 151 bits acc */
- t = r; /* will cover all possible cases */
- w = fn*pio2_3;
- r = t-w;
- w = fn*pio2_3t-((t-r)-w);
- y[0] = r-w;
- }
- }
- }
- y[1] = (r-y[0])-w;
- if(hx<0) {y[0] = -y[0]; y[1] = -y[1]; return -n;}
- else return n;
- }
- /*
- * all other (large) arguments
- */
- if(ix>=0x7ff00000) { /* x is inf or NaN */
- y[0]=y[1]=x-x; return 0;
- }
- /* set z = scalbn(|x|,ilogb(x)-23) */
- GET_LOW_WORD(low,x);
- SET_LOW_WORD(z,low);
- e0 = (int32_t)(ix>>20)-1046; /* e0 = ilogb(z)-23; */
- SET_HIGH_WORD(z,ix - (e0<<20));
- for(i=0;i<2;i++) {
- tx[i] = (double)((int32_t)(z));
- z = (z-tx[i])*two24;
- }
- tx[2] = z;
- nx = 3;
- while(tx[nx-1]==zero) nx--; /* skip zero term */
- n = __kernel_rem_pio2(tx,y,e0,nx,2,two_over_pi);
- if(hx<0) {y[0] = -y[0]; y[1] = -y[1]; return -n;}
- return n;
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/e_remainder.c b/libjava/classpath/native/fdlibm/e_remainder.c
deleted file mode 100644
index 6a39820..0000000
--- a/libjava/classpath/native/fdlibm/e_remainder.c
+++ /dev/null
@@ -1,79 +0,0 @@
-
-/* @(#)e_remainder.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* __ieee754_remainder(x,p)
- * Return :
- * returns x REM p = x - [x/p]*p as if in infinite
- * precise arithmetic, where [x/p] is the (infinite bit)
- * integer nearest x/p (in half way case choose the even one).
- * Method :
- * Based on fmod() return x-[x/p]chopped*p exactlp.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double zero = 0.0;
-#else
-static double zero = 0.0;
-#endif
-
-
-#ifdef __STDC__
- double __ieee754_remainder(double x, double p)
-#else
- double __ieee754_remainder(x,p)
- double x,p;
-#endif
-{
- int32_t hx,hp;
- uint32_t sx,lx,lp;
- double p_half;
-
- EXTRACT_WORDS(hx,lx,x);
- EXTRACT_WORDS(hp,lp,p);
- sx = hx&0x80000000;
- hp &= 0x7fffffff;
- hx &= 0x7fffffff;
-
- /* purge off exception values */
- if((hp|lp)==0) return (x*p)/(x*p); /* p = 0 */
- if((hx>=0x7ff00000)|| /* x not finite */
- ((hp>=0x7ff00000)&& /* p is NaN */
- (((hp-0x7ff00000)|lp)!=0)))
- return (x*p)/(x*p);
-
-
- if (hp<=0x7fdfffff) x = __ieee754_fmod(x,p+p); /* now x < 2p */
- if (((hx-hp)|(lx-lp))==0) return zero*x;
- x = fabs(x);
- p = fabs(p);
- if (hp<0x00200000) {
- if(x+x>p) {
- x-=p;
- if(x+x>=p) x -= p;
- }
- } else {
- p_half = 0.5*p;
- if(x>p_half) {
- x-=p;
- if(x>=p_half) x -= p;
- }
- }
- GET_HIGH_WORD(hx,x);
- SET_HIGH_WORD(x,hx ^ sx);
- return x;
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/e_scalb.c b/libjava/classpath/native/fdlibm/e_scalb.c
deleted file mode 100644
index 91e9c6a..0000000
--- a/libjava/classpath/native/fdlibm/e_scalb.c
+++ /dev/null
@@ -1,51 +0,0 @@
-
-/* @(#)e_scalb.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * __ieee754_scalb(x, fn) is provide for
- * passing various standard test suite. One
- * should use scalbn() instead.
- */
-
-#include "fdlibm.h"
-
-#ifdef _SCALB_INT
-#ifdef __STDC__
- double __ieee754_scalb(double x, int fn)
-#else
- double __ieee754_scalb(x,fn)
- double x; int fn;
-#endif
-#else
-#ifdef __STDC__
- double __ieee754_scalb(double x, double fn)
-#else
- double __ieee754_scalb(x,fn)
- double x, fn;
-#endif
-#endif
-{
-#ifdef _SCALB_INT
- return scalbn(x,fn);
-#else
- if (isnan(x)||isnan(fn)) return x*fn;
- if (!finite(fn)) {
- if(fn>0.0) return x*fn;
- else return x/(-fn);
- }
- if (rint(fn)!=fn) return (fn-fn)/(fn-fn);
- if ( fn > 65000.0) return scalbn(x, 65000);
- if (-fn > 65000.0) return scalbn(x,-65000);
- return scalbn(x,(int)fn);
-#endif
-}
diff --git a/libjava/classpath/native/fdlibm/e_sinh.c b/libjava/classpath/native/fdlibm/e_sinh.c
deleted file mode 100644
index 446dea5..0000000
--- a/libjava/classpath/native/fdlibm/e_sinh.c
+++ /dev/null
@@ -1,85 +0,0 @@
-
-/* @(#)e_sinh.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* __ieee754_sinh(x)
- * Method :
- * mathematically sinh(x) if defined to be (exp(x)-exp(-x))/2
- * 1. Replace x by |x| (sinh(-x) = -sinh(x)).
- * 2.
- * E + E/(E+1)
- * 0 <= x <= 22 : sinh(x) := --------------, E=expm1(x)
- * 2
- *
- * 22 <= x <= lnovft : sinh(x) := exp(x)/2
- * lnovft <= x <= ln2ovft: sinh(x) := exp(x/2)/2 * exp(x/2)
- * ln2ovft < x : sinh(x) := x*shuge (overflow)
- *
- * Special cases:
- * sinh(x) is |x| if x is +INF, -INF, or NaN.
- * only sinh(0)=0 is exact for finite x.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double one = 1.0, shuge = 1.0e307;
-#else
-static double one = 1.0, shuge = 1.0e307;
-#endif
-
-#ifdef __STDC__
- double __ieee754_sinh(double x)
-#else
- double __ieee754_sinh(x)
- double x;
-#endif
-{
- double t,w,h;
- int32_t ix,jx;
- uint32_t lx;
-
- /* High word of |x|. */
- GET_HIGH_WORD(jx,x);
- ix = jx&0x7fffffff;
-
- /* x is INF or NaN */
- if(ix>=0x7ff00000) return x+x;
-
- h = 0.5;
- if (jx<0) h = -h;
- /* |x| in [0,22], return sign(x)*0.5*(E+E/(E+1))) */
- if (ix < 0x40360000) { /* |x|<22 */
- if (ix<0x3e300000) /* |x|<2**-28 */
- if(shuge+x>one) return x;/* sinh(tiny) = tiny with inexact */
- t = expm1(fabs(x));
- if(ix<0x3ff00000) return h*(2.0*t-t*t/(t+one));
- return h*(t+t/(t+one));
- }
-
- /* |x| in [22, log(maxdouble)] return 0.5*exp(|x|) */
- if (ix < 0x40862E42) return h*__ieee754_exp(fabs(x));
-
- /* |x| in [log(maxdouble), overflowthresold] */
- lx = *( (((*(uint32_t*)&one)>>29)) + (uint32_t*)&x);
- if (ix<0x408633CE || (ix==0x408633ce)&&(lx<=(uint32_t)0x8fb9f87d)) {
- w = __ieee754_exp(0.5*fabs(x));
- t = h*w;
- return t*w;
- }
-
- /* |x| > overflowthresold, sinh(x) overflow */
- return x*shuge;
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/e_sqrt.c b/libjava/classpath/native/fdlibm/e_sqrt.c
deleted file mode 100644
index 90dd04f..0000000
--- a/libjava/classpath/native/fdlibm/e_sqrt.c
+++ /dev/null
@@ -1,451 +0,0 @@
-/* @(#)e_sqrt.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* __ieee754_sqrt(x)
- * Return correctly rounded sqrt.
- * ------------------------------------------
- * | Use the hardware sqrt if you have one |
- * ------------------------------------------
- * Method:
- * Bit by bit method using integer arithmetic. (Slow, but portable)
- * 1. Normalization
- * Scale x to y in [1,4) with even powers of 2:
- * find an integer k such that 1 <= (y=x*2^(2k)) < 4, then
- * sqrt(x) = 2^k * sqrt(y)
- * 2. Bit by bit computation
- * Let q = sqrt(y) truncated to i bit after binary point (q = 1),
- * i 0
- * i+1 2
- * s = 2*q , and y = 2 * ( y - q ). (1)
- * i i i i
- *
- * To compute q from q , one checks whether
- * i+1 i
- *
- * -(i+1) 2
- * (q + 2 ) <= y. (2)
- * i
- * -(i+1)
- * If (2) is false, then q = q ; otherwise q = q + 2 .
- * i+1 i i+1 i
- *
- * With some algebric manipulation, it is not difficult to see
- * that (2) is equivalent to
- * -(i+1)
- * s + 2 <= y (3)
- * i i
- *
- * The advantage of (3) is that s and y can be computed by
- * i i
- * the following recurrence formula:
- * if (3) is false
- *
- * s = s , y = y ; (4)
- * i+1 i i+1 i
- *
- * otherwise,
- * -i -(i+1)
- * s = s + 2 , y = y - s - 2 (5)
- * i+1 i i+1 i i
- *
- * One may easily use induction to prove (4) and (5).
- * Note. Since the left hand side of (3) contain only i+2 bits,
- * it does not necessary to do a full (53-bit) comparison
- * in (3).
- * 3. Final rounding
- * After generating the 53 bits result, we compute one more bit.
- * Together with the remainder, we can decide whether the
- * result is exact, bigger than 1/2ulp, or less than 1/2ulp
- * (it will never equal to 1/2ulp).
- * The rounding mode can be detected by checking whether
- * huge + tiny is equal to huge, and whether huge - tiny is
- * equal to huge for some floating point number "huge" and "tiny".
- *
- * Special cases:
- * sqrt(+-0) = +-0 ... exact
- * sqrt(inf) = inf
- * sqrt(-ve) = NaN ... with invalid signal
- * sqrt(NaN) = NaN ... with invalid signal for signaling NaN
- *
- * Other methods : see the appended file at the end of the program below.
- *---------------
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double one = 1.0, tiny=1.0e-300;
-#else
-static double one = 1.0, tiny=1.0e-300;
-#endif
-
-#ifdef __STDC__
- double __ieee754_sqrt(double x)
-#else
- double __ieee754_sqrt(x)
- double x;
-#endif
-{
- double z;
- int32_t sign = (int)0x80000000;
- uint32_t r,t1,s1,ix1,q1;
- int32_t ix0,s0,q,m,t,i;
-
- EXTRACT_WORDS(ix0,ix1,x);
-
- /* take care of Inf and NaN */
- if((ix0&0x7ff00000)==0x7ff00000) {
- return x*x+x; /* sqrt(NaN)=NaN, sqrt(+inf)=+inf
- sqrt(-inf)=sNaN */
- }
- /* take care of zero */
- if(ix0<=0) {
- if(((ix0&(~sign))|ix1)==0) return x;/* sqrt(+-0) = +-0 */
- else if(ix0<0)
- return (x-x)/(x-x); /* sqrt(-ve) = sNaN */
- }
- /* normalize x */
- m = (ix0>>20);
- if(m==0) { /* subnormal x */
- while(ix0==0) {
- m -= 21;
- ix0 |= (ix1>>11); ix1 <<= 21;
- }
- for(i=0;(ix0&0x00100000)==0;i++) ix0<<=1;
- m -= i-1;
- ix0 |= (ix1>>(32-i));
- ix1 <<= i;
- }
- m -= 1023; /* unbias exponent */
- ix0 = (ix0&0x000fffff)|0x00100000;
- if(m&1){ /* odd m, double x to make it even */
- ix0 += ix0 + ((ix1&sign)>>31);
- ix1 += ix1;
- }
- m >>= 1; /* m = [m/2] */
-
- /* generate sqrt(x) bit by bit */
- ix0 += ix0 + ((ix1&sign)>>31);
- ix1 += ix1;
- q = q1 = s0 = s1 = 0; /* [q,q1] = sqrt(x) */
- r = 0x00200000; /* r = moving bit from right to left */
-
- while(r!=0) {
- t = s0+r;
- if(t<=ix0) {
- s0 = t+r;
- ix0 -= t;
- q += r;
- }
- ix0 += ix0 + ((ix1&sign)>>31);
- ix1 += ix1;
- r>>=1;
- }
-
- r = sign;
- while(r!=0) {
- t1 = s1+r;
- t = s0;
- if((t<ix0)||((t==ix0)&&(t1<=ix1))) {
- s1 = t1+r;
- if(((t1&sign)==(uint32_t)sign)&&(s1&sign)==0) s0 += 1;
- ix0 -= t;
- if (ix1 < t1) ix0 -= 1;
- ix1 -= t1;
- q1 += r;
- }
- ix0 += ix0 + ((ix1&sign)>>31);
- ix1 += ix1;
- r>>=1;
- }
-
- /* use floating add to find out rounding direction */
- if((ix0|ix1)!=0) {
- z = one-tiny; /* trigger inexact flag */
- if (z>=one) {
- z = one+tiny;
- if (q1==(uint32_t)0xffffffff) { q1=0; q += 1;}
- else if (z>one) {
- if (q1==(uint32_t)0xfffffffe) q+=1;
- q1+=2;
- } else
- q1 += (q1&1);
- }
- }
- ix0 = (q>>1)+0x3fe00000;
- ix1 = q1>>1;
- if ((q&1)==1) ix1 |= sign;
- ix0 += (m <<20);
- INSERT_WORDS(z,ix0,ix1);
- return z;
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
-
-/*
-Other methods (use floating-point arithmetic)
--------------
-(This is a copy of a drafted paper by Prof W. Kahan
-and K.C. Ng, written in May, 1986)
-
- Two algorithms are given here to implement sqrt(x)
- (IEEE double precision arithmetic) in software.
- Both supply sqrt(x) correctly rounded. The first algorithm (in
- Section A) uses newton iterations and involves four divisions.
- The second one uses reciproot iterations to avoid division, but
- requires more multiplications. Both algorithms need the ability
- to chop results of arithmetic operations instead of round them,
- and the INEXACT flag to indicate when an arithmetic operation
- is executed exactly with no roundoff error, all part of the
- standard (IEEE 754-1985). The ability to perform shift, add,
- subtract and logical AND operations upon 32-bit words is needed
- too, though not part of the standard.
-
-A. sqrt(x) by Newton Iteration
-
- (1) Initial approximation
-
- Let x0 and x1 be the leading and the trailing 32-bit words of
- a floating point number x (in IEEE double format) respectively
-
- 1 11 52 ...widths
- ------------------------------------------------------
- x: |s| e | f |
- ------------------------------------------------------
- msb lsb msb lsb ...order
-
-
- ------------------------ ------------------------
- x0: |s| e | f1 | x1: | f2 |
- ------------------------ ------------------------
-
- By performing shifts and subtracts on x0 and x1 (both regarded
- as integers), we obtain an 8-bit approximation of sqrt(x) as
- follows.
-
- k := (x0>>1) + 0x1ff80000;
- y0 := k - T1[31&(k>>15)]. ... y ~ sqrt(x) to 8 bits
- Here k is a 32-bit integer and T1[] is an integer array containing
- correction terms. Now magically the floating value of y (y's
- leading 32-bit word is y0, the value of its trailing word is 0)
- approximates sqrt(x) to almost 8-bit.
-
- Value of T1:
- static int T1[32]= {
- 0, 1024, 3062, 5746, 9193, 13348, 18162, 23592,
- 29598, 36145, 43202, 50740, 58733, 67158, 75992, 85215,
- 83599, 71378, 60428, 50647, 41945, 34246, 27478, 21581,
- 16499, 12183, 8588, 5674, 3403, 1742, 661, 130,};
-
- (2) Iterative refinement
-
- Apply Heron's rule three times to y, we have y approximates
- sqrt(x) to within 1 ulp (Unit in the Last Place):
-
- y := (y+x/y)/2 ... almost 17 sig. bits
- y := (y+x/y)/2 ... almost 35 sig. bits
- y := y-(y-x/y)/2 ... within 1 ulp
-
-
- Remark 1.
- Another way to improve y to within 1 ulp is:
-
- y := (y+x/y) ... almost 17 sig. bits to 2*sqrt(x)
- y := y - 0x00100006 ... almost 18 sig. bits to sqrt(x)
-
- 2
- (x-y )*y
- y := y + 2* ---------- ...within 1 ulp
- 2
- 3y + x
-
-
- This formula has one division fewer than the one above; however,
- it requires more multiplications and additions. Also x must be
- scaled in advance to avoid spurious overflow in evaluating the
- expression 3y*y+x. Hence it is not recommended uless division
- is slow. If division is very slow, then one should use the
- reciproot algorithm given in section B.
-
- (3) Final adjustment
-
- By twiddling y's last bit it is possible to force y to be
- correctly rounded according to the prevailing rounding mode
- as follows. Let r and i be copies of the rounding mode and
- inexact flag before entering the square root program. Also we
- use the expression y+-ulp for the next representable floating
- numbers (up and down) of y. Note that y+-ulp = either fixed
- point y+-1, or multiply y by nextafter(1,+-inf) in chopped
- mode.
-
- I := FALSE; ... reset INEXACT flag I
- R := RZ; ... set rounding mode to round-toward-zero
- z := x/y; ... chopped quotient, possibly inexact
- If(not I) then { ... if the quotient is exact
- if(z=y) {
- I := i; ... restore inexact flag
- R := r; ... restore rounded mode
- return sqrt(x):=y.
- } else {
- z := z - ulp; ... special rounding
- }
- }
- i := TRUE; ... sqrt(x) is inexact
- If (r=RN) then z=z+ulp ... rounded-to-nearest
- If (r=RP) then { ... round-toward-+inf
- y = y+ulp; z=z+ulp;
- }
- y := y+z; ... chopped sum
- y0:=y0-0x00100000; ... y := y/2 is correctly rounded.
- I := i; ... restore inexact flag
- R := r; ... restore rounded mode
- return sqrt(x):=y.
-
- (4) Special cases
-
- Square root of +inf, +-0, or NaN is itself;
- Square root of a negative number is NaN with invalid signal.
-
-
-B. sqrt(x) by Reciproot Iteration
-
- (1) Initial approximation
-
- Let x0 and x1 be the leading and the trailing 32-bit words of
- a floating point number x (in IEEE double format) respectively
- (see section A). By performing shifs and subtracts on x0 and y0,
- we obtain a 7.8-bit approximation of 1/sqrt(x) as follows.
-
- k := 0x5fe80000 - (x0>>1);
- y0:= k - T2[63&(k>>14)]. ... y ~ 1/sqrt(x) to 7.8 bits
-
- Here k is a 32-bit integer and T2[] is an integer array
- containing correction terms. Now magically the floating
- value of y (y's leading 32-bit word is y0, the value of
- its trailing word y1 is set to zero) approximates 1/sqrt(x)
- to almost 7.8-bit.
-
- Value of T2:
- static int T2[64]= {
- 0x1500, 0x2ef8, 0x4d67, 0x6b02, 0x87be, 0xa395, 0xbe7a, 0xd866,
- 0xf14a, 0x1091b,0x11fcd,0x13552,0x14999,0x15c98,0x16e34,0x17e5f,
- 0x18d03,0x19a01,0x1a545,0x1ae8a,0x1b5c4,0x1bb01,0x1bfde,0x1c28d,
- 0x1c2de,0x1c0db,0x1ba73,0x1b11c,0x1a4b5,0x1953d,0x18266,0x16be0,
- 0x1683e,0x179d8,0x18a4d,0x19992,0x1a789,0x1b445,0x1bf61,0x1c989,
- 0x1d16d,0x1d77b,0x1dddf,0x1e2ad,0x1e5bf,0x1e6e8,0x1e654,0x1e3cd,
- 0x1df2a,0x1d635,0x1cb16,0x1be2c,0x1ae4e,0x19bde,0x1868e,0x16e2e,
- 0x1527f,0x1334a,0x11051,0xe951, 0xbe01, 0x8e0d, 0x5924, 0x1edd,};
-
- (2) Iterative refinement
-
- Apply Reciproot iteration three times to y and multiply the
- result by x to get an approximation z that matches sqrt(x)
- to about 1 ulp. To be exact, we will have
- -1ulp < sqrt(x)-z<1.0625ulp.
-
- ... set rounding mode to Round-to-nearest
- y := y*(1.5-0.5*x*y*y) ... almost 15 sig. bits to 1/sqrt(x)
- y := y*((1.5-2^-30)+0.5*x*y*y)... about 29 sig. bits to 1/sqrt(x)
- ... special arrangement for better accuracy
- z := x*y ... 29 bits to sqrt(x), with z*y<1
- z := z + 0.5*z*(1-z*y) ... about 1 ulp to sqrt(x)
-
- Remark 2. The constant 1.5-2^-30 is chosen to bias the error so that
- (a) the term z*y in the final iteration is always less than 1;
- (b) the error in the final result is biased upward so that
- -1 ulp < sqrt(x) - z < 1.0625 ulp
- instead of |sqrt(x)-z|<1.03125ulp.
-
- (3) Final adjustment
-
- By twiddling y's last bit it is possible to force y to be
- correctly rounded according to the prevailing rounding mode
- as follows. Let r and i be copies of the rounding mode and
- inexact flag before entering the square root program. Also we
- use the expression y+-ulp for the next representable floating
- numbers (up and down) of y. Note that y+-ulp = either fixed
- point y+-1, or multiply y by nextafter(1,+-inf) in chopped
- mode.
-
- R := RZ; ... set rounding mode to round-toward-zero
- switch(r) {
- case RN: ... round-to-nearest
- if(x<= z*(z-ulp)...chopped) z = z - ulp; else
- if(x<= z*(z+ulp)...chopped) z = z; else z = z+ulp;
- break;
- case RZ:case RM: ... round-to-zero or round-to--inf
- R:=RP; ... reset rounding mod to round-to-+inf
- if(x<z*z ... rounded up) z = z - ulp; else
- if(x>=(z+ulp)*(z+ulp) ...rounded up) z = z+ulp;
- break;
- case RP: ... round-to-+inf
- if(x>(z+ulp)*(z+ulp)...chopped) z = z+2*ulp; else
- if(x>z*z ...chopped) z = z+ulp;
- break;
- }
-
- Remark 3. The above comparisons can be done in fixed point. For
- example, to compare x and w=z*z chopped, it suffices to compare
- x1 and w1 (the trailing parts of x and w), regarding them as
- two's complement integers.
-
- ...Is z an exact square root?
- To determine whether z is an exact square root of x, let z1 be the
- trailing part of z, and also let x0 and x1 be the leading and
- trailing parts of x.
-
- If ((z1&0x03ffffff)!=0) ... not exact if trailing 26 bits of z!=0
- I := 1; ... Raise Inexact flag: z is not exact
- else {
- j := 1 - [(x0>>20)&1] ... j = logb(x) mod 2
- k := z1 >> 26; ... get z's 25-th and 26-th
- fraction bits
- I := i or (k&j) or ((k&(j+j+1))!=(x1&3));
- }
- R:= r ... restore rounded mode
- return sqrt(x):=z.
-
- If multiplication is cheaper then the foregoing red tape, the
- Inexact flag can be evaluated by
-
- I := i;
- I := (z*z!=x) or I.
-
- Note that z*z can overwrite I; this value must be sensed if it is
- True.
-
- Remark 4. If z*z = x exactly, then bit 25 to bit 0 of z1 must be
- zero.
-
- --------------------
- z1: | f2 |
- --------------------
- bit 31 bit 0
-
- Further more, bit 27 and 26 of z1, bit 0 and 1 of x1, and the odd
- or even of logb(x) have the following relations:
-
- -------------------------------------------------
- bit 27,26 of z1 bit 1,0 of x1 logb(x)
- -------------------------------------------------
- 00 00 odd and even
- 01 01 even
- 10 10 odd
- 10 00 even
- 11 01 even
- -------------------------------------------------
-
- (4) Special cases (see (4) of Section A).
-
- */
-
diff --git a/libjava/classpath/native/fdlibm/fdlibm.h b/libjava/classpath/native/fdlibm/fdlibm.h
deleted file mode 100644
index fc10ecc..0000000
--- a/libjava/classpath/native/fdlibm/fdlibm.h
+++ /dev/null
@@ -1,408 +0,0 @@
-
-/* @(#)fdlibm.h 1.5 04/04/22 */
-/*
- * ====================================================
- * Copyright (C) 2004 by Sun Microsystems, Inc. All rights reserved.
- *
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-#ifndef __CLASSPATH_FDLIBM_H__
-#define __CLASSPATH_FDLIBM_H__
-
-/*
- * On AIX we need _ALL_SOURCE defined to compile/configure native-lib, but can't
- * have it defined to compile fdlibm. UGH.
- */
-#ifdef _AIX
-#undef _ALL_SOURCE
-#endif
-
-#include <config.h>
-#include <stdlib.h>
-
-/*
- * AIX includes a header that defines hz,
- * which conflicts with an fdlibm variable in some functions.
- */
-#ifdef _AIX
-#undef hz
-#endif
-
-/* GCJ LOCAL: Include files. */
-#include "ieeefp.h"
-/* CLASSPATH LOCAL: */
-#include "namespace.h"
-
-#include "mprec.h"
-
-/* CYGNUS LOCAL: Default to XOPEN_MODE. */
-#define _XOPEN_MODE
-
-#ifdef __P
-#undef __P
-#endif
-
-/* Sometimes it's necessary to define __LITTLE_ENDIAN explicitly
- but these catch some common cases. */
-
-#if 0
-#if defined(i386) || defined(i486) || \
- defined(intel) || defined(x86) || defined(i86pc) || \
- defined(__alpha) || defined(__osf__)
-#define __LITTLE_ENDIAN
-#endif
-
-#ifdef __LITTLE_ENDIAN
-#define __HI(x) *(1+(int*)&x)
-#define __LO(x) *(int*)&x
-#define __HIp(x) *(1+(int*)x)
-#define __LOp(x) *(int*)x
-#else
-#define __HI(x) *(int*)&x
-#define __LO(x) *(1+(int*)&x)
-#define __HIp(x) *(int*)x
-#define __LOp(x) *(1+(int*)x)
-#endif
-#endif
-
-#ifdef __STDC__
-#define __P(p) p
-#else
-#define __P(p) ()
-#endif
-
-/*
- * ANSI/POSIX
- */
-
-extern int signgam;
-
-#define MAXFLOAT ((float)3.40282346638528860e+38)
-
-enum fdversion {fdlibm_ieee = -1, fdlibm_svid, fdlibm_xopen, fdlibm_posix};
-
-#define _LIB_VERSION_TYPE enum fdversion
-#define _LIB_VERSION _fdlib_version
-
-/* if global variable _LIB_VERSION is not desirable, one may
- * change the following to be a constant by:
- * #define _LIB_VERSION_TYPE const enum version
- * In that case, after one initializes the value _LIB_VERSION (see
- * s_lib_version.c) during compile time, it cannot be modified
- * in the middle of a program
- */
-extern _LIB_VERSION_TYPE _LIB_VERSION;
-
-#define _IEEE_ fdlibm_ieee
-#define _SVID_ fdlibm_svid
-#define _XOPEN_ fdlibm_xopen
-#define _POSIX_ fdlibm_posix
-
-struct exception {
- int type;
- char *name;
- double arg1;
- double arg2;
- double retval;
-};
-
-#define HUGE MAXFLOAT
-
-/*
- * set X_TLOSS = pi*2**52, which is possibly defined in <values.h>
- * (one may replace the following line by "#include <values.h>")
- */
-
-#define X_TLOSS 1.41484755040568800000e+16
-
-#define DOMAIN 1
-#define SING 2
-#define OVERFLOW 3
-#define UNDERFLOW 4
-#define TLOSS 5
-#define PLOSS 6
-
-/* These typedefs are true for the targets running Java. */
-
-#define _IEEE_LIBM
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * ANSI/POSIX
- */
-extern double acos __P((double));
-extern double asin __P((double));
-extern double atan __P((double));
-extern double atan2 __P((double, double));
-extern double cos __P((double));
-extern double sin __P((double));
-extern double tan __P((double));
-
-extern double cosh __P((double));
-extern double sinh __P((double));
-extern double tanh __P((double));
-
-extern double exp __P((double));
-extern double frexp __P((double, int *));
-extern double ldexp __P((double, int));
-extern double log __P((double));
-extern double log10 __P((double));
-extern double modf __P((double, double *));
-
-extern double pow __P((double, double));
-extern double sqrt __P((double));
-
-extern double ceil __P((double));
-extern double fabs __P((double));
-extern double floor __P((double));
-extern double fmod __P((double, double));
-
-extern double erf __P((double));
-extern double erfc __P((double));
-extern double gamma __P((double));
-extern double hypot __P((double, double));
-
-#if !defined(isnan)
-#define isnan(x) ((x) != (x))
-#endif
-
-extern int finite __P((double));
-extern double j0 __P((double));
-extern double j1 __P((double));
-extern double jn __P((int, double));
-extern double lgamma __P((double));
-extern double y0 __P((double));
-extern double y1 __P((double));
-extern double yn __P((int, double));
-
-extern double acosh __P((double));
-extern double asinh __P((double));
-extern double atanh __P((double));
-extern double cbrt __P((double));
-extern double logb __P((double));
-extern double nextafter __P((double, double));
-extern double remainder __P((double, double));
-#ifdef _SCALB_INT
-extern double scalb __P((double, int));
-#else
-extern double scalb __P((double, double));
-#endif
-
-extern int matherr __P((struct exception *));
-
-/*
- * IEEE Test Vector
- */
-extern double significand __P((double));
-
-/*
- * Functions callable from C, intended to support IEEE arithmetic.
- */
-extern double copysign __P((double, double));
-extern int ilogb __P((double));
-extern double rint __P((double));
-extern double scalbn __P((double, int));
-
-/*
- * BSD math library entry points
- */
-extern double expm1 __P((double));
-extern double log1p __P((double));
-
-/*
- * Reentrant version of gamma & lgamma; passes signgam back by reference
- * as the second argument; user must allocate space for signgam.
- */
-#ifdef _REENTRANT
-extern double gamma_r __P((double, int *));
-extern double lgamma_r __P((double, int *));
-#endif /* _REENTRANT */
-
-/* ieee style elementary functions */
-extern double __ieee754_sqrt __P((double));
-extern double __ieee754_acos __P((double));
-extern double __ieee754_acosh __P((double));
-extern double __ieee754_log __P((double));
-extern double __ieee754_atanh __P((double));
-extern double __ieee754_asin __P((double));
-extern double __ieee754_atan2 __P((double,double));
-extern double __ieee754_exp __P((double));
-extern double __ieee754_cosh __P((double));
-extern double __ieee754_fmod __P((double,double));
-extern double __ieee754_pow __P((double,double));
-extern double __ieee754_lgamma_r __P((double,int *));
-extern double __ieee754_gamma_r __P((double,int *));
-extern double __ieee754_lgamma __P((double));
-extern double __ieee754_gamma __P((double));
-extern double __ieee754_log10 __P((double));
-extern double __ieee754_sinh __P((double));
-extern double __ieee754_hypot __P((double,double));
-extern double __ieee754_j0 __P((double));
-extern double __ieee754_j1 __P((double));
-extern double __ieee754_y0 __P((double));
-extern double __ieee754_y1 __P((double));
-extern double __ieee754_jn __P((int,double));
-extern double __ieee754_yn __P((int,double));
-extern double __ieee754_remainder __P((double,double));
-extern int32_t __ieee754_rem_pio2 __P((double,double*));
-#ifdef _SCALB_INT
-extern double __ieee754_scalb __P((double,int));
-#else
-extern double __ieee754_scalb __P((double,double));
-#endif
-
-/* fdlibm kernel function */
-extern double __kernel_standard __P((double,double,int));
-extern double __kernel_sin __P((double,double,int));
-extern double __kernel_cos __P((double,double));
-extern double __kernel_tan __P((double,double,int));
-extern int __kernel_rem_pio2 __P((double*,double*,int,int,int,const int*));
-
-/* Classpath extensions */
-
-/* The original code used statements like
- n0 = ((*(int*)&one)>>29)^1; * index of high word *
- ix0 = *(n0+(int*)&x); * high word of x *
- ix1 = *((1-n0)+(int*)&x); * low word of x *
- to dig two 32 bit words out of the 64 bit IEEE floating point
- value. That is non-ANSI, and, moreover, the gcc instruction
- scheduler gets it wrong. We instead use the following macros.
- Unlike the original code, we determine the endianness at compile
- time, not at run time; I don't see much benefit to selecting
- endianness at run time. */
-
-#ifndef __IEEE_BIG_ENDIAN
-#ifndef __IEEE_LITTLE_ENDIAN
-#error Must define endianness
-#endif
-#endif
-
-/* A union which permits us to convert between a double and two 32 bit
- ints. */
-
-#ifdef __IEEE_BIG_ENDIAN
-
- typedef union
- {
- double value;
- struct
- {
- uint32_t msw;
- uint32_t lsw;
- } parts;
- } ieee_double_shape_type;
-
-#endif
-
-#ifdef __IEEE_LITTLE_ENDIAN
-
- typedef union
- {
- double value;
- struct
- {
- uint32_t lsw;
- uint32_t msw;
- } parts;
- } ieee_double_shape_type;
-
-#endif
-
- /* Get two 32 bit ints from a double. */
-
-#define EXTRACT_WORDS(ix0,ix1,d) \
- do { \
- ieee_double_shape_type ew_u; \
- ew_u.value = (d); \
- (ix0) = ew_u.parts.msw; \
- (ix1) = ew_u.parts.lsw; \
- } while (0)
-
-/* Get the more significant 32 bit int from a double. */
-
-#define GET_HIGH_WORD(i,d) \
- do { \
- ieee_double_shape_type gh_u; \
- gh_u.value = (d); \
- (i) = gh_u.parts.msw; \
- } while (0)
-
-/* Get the less significant 32 bit int from a double. */
-
-#define GET_LOW_WORD(i,d) \
- do { \
- ieee_double_shape_type gl_u; \
- gl_u.value = (d); \
- (i) = gl_u.parts.lsw; \
- } while (0)
-
-/* Set a double from two 32 bit ints. */
-
-#define INSERT_WORDS(d,ix0,ix1) \
- do { \
- ieee_double_shape_type iw_u; \
- iw_u.parts.msw = (ix0); \
- iw_u.parts.lsw = (ix1); \
- (d) = iw_u.value; \
- } while (0)
-
-/* Set the more significant 32 bits of a double from an int. */
-
-#define SET_HIGH_WORD(d,v) \
- do { \
- ieee_double_shape_type sh_u; \
- sh_u.value = (d); \
- sh_u.parts.msw = (v); \
- (d) = sh_u.value; \
- } while (0)
-
-/* Set the less significant 32 bits of a double from an int. */
-
-#define SET_LOW_WORD(d,v) \
- do { \
- ieee_double_shape_type sl_u; \
- sl_u.value = (d); \
- sl_u.parts.lsw = (v); \
- (d) = sl_u.value; \
- } while (0)
-
-/* A union which permits us to convert between a float and a 32 bit
- int. */
-
-typedef union
-{
- float value;
- uint32_t word;
-} ieee_float_shape_type;
-
-/* Get a 32 bit int from a float. */
-
-#define GET_FLOAT_WORD(i,d) \
-do { \
- ieee_float_shape_type gf_u; \
- gf_u.value = (d); \
- (i) = gf_u.word; \
-} while (0)
-
-/* Set a float from a 32 bit int. */
-
-#define SET_FLOAT_WORD(d,i) \
-do { \
- ieee_float_shape_type sf_u; \
- sf_u.word = (i); \
- (d) = sf_u.value; \
-} while (0)
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __CLASSPATH_FDLIBM_H__ */
-
diff --git a/libjava/classpath/native/fdlibm/ieeefp.h b/libjava/classpath/native/fdlibm/ieeefp.h
deleted file mode 100644
index 7ef2ae7e..0000000
--- a/libjava/classpath/native/fdlibm/ieeefp.h
+++ /dev/null
@@ -1,178 +0,0 @@
-#ifndef __CLASSPATH_IEEEFP_H__
-#define __CLASSPATH_IEEEFP_H__
-
-#ifndef __IEEE_BIG_ENDIAN
-#ifndef __IEEE_LITTLE_ENDIAN
-
-#ifdef __aarch64__
-#ifdef __AARCH64EB__
-#define __IEEE_BIG_ENDIAN
-#else
-#define __IEEE_LITTLE_ENDIAN
-#endif
-#endif
-
-#ifdef __alpha__
-#define __IEEE_LITTLE_ENDIAN
-#endif
-
-#if defined(__arm__) || defined(__thumb__)
-/* ARM traditionally used big-endian words; and within those words the
- byte ordering was big or little endian depending upon the target.
- Modern floating-point formats are naturally ordered; in this case
- __VFP_FP__ will be defined, even if soft-float. */
-#ifdef __VFP_FP__
-#ifdef __ARMEL__
-#define __IEEE_LITTLE_ENDIAN
-#else
-#define __IEEE_BIG_ENDIAN
-#endif
-#else
-#define __IEEE_BIG_ENDIAN
-#ifdef __ARMEL__
-#define __IEEE_BYTES_LITTLE_ENDIAN
-#endif
-#endif
-#endif
-
-#ifdef __hppa__
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#if defined (__sparc) || defined (__sparc__)
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifdef __m32r__
-#ifdef __LITTLE_ENDIAN__
-#define __IEEE_LITTLE_ENDIAN
-#else
-#define __IEEE_BIG_ENDIAN
-#endif
-#endif
-
-#if defined(__m68k__) || defined(__mc68000__)
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#if defined (__H8300__) || defined (__H8300H__)
-#define __IEEE_BIG_ENDIAN
-#define __SMALL_BITFIELDS
-#define _DOUBLE_IS_32BITS
-#endif
-
-#ifdef __H8500__
-#define __IEEE_BIG_ENDIAN
-#define __SMALL_BITFIELDS
-#define _DOUBLE_IS_32BITS
-#endif
-
-#ifdef __sh__
-#ifdef __LITTLE_ENDIAN__
-#define __IEEE_LITTLE_ENDIAN
-#else
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifdef __SH3E__
-#define _DOUBLE_IS_32BITS
-#endif
-#endif
-
-#ifdef _AM29K
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifdef __i386__
-#define __IEEE_LITTLE_ENDIAN
-#endif
-
-#ifdef __x86_64__
-#define __IEEE_LITTLE_ENDIAN
-#endif
-
-#ifdef __i960__
-#define __IEEE_LITTLE_ENDIAN
-#endif
-
-#ifdef __AVR32__
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifdef __MIPSEL__
-#define __IEEE_LITTLE_ENDIAN
-#endif
-
-#ifdef __MIPSEB__
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifdef __pj__
-#ifdef __pjl__
-#define __IEEE_LITTLE_ENDIAN
-#else
-#define __IEEE_BIG_ENDIAN
-#endif
-#endif
-
-/* necv70 was __IEEE_LITTLE_ENDIAN. */
-
-#ifdef __W65__
-#define __IEEE_LITTLE_ENDIAN
-#define __SMALL_BITFIELDS
-#define _DOUBLE_IS_32BITS
-#endif
-
-#if defined(__Z8001__) || defined(__Z8002__)
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifdef __m88k__
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifdef __v800
-#define __IEEE_LITTLE_ENDIAN
-#endif
-
-#if defined (__PPC__) || defined (__ppc__) || defined (__powerpc__) || defined (__ppc64__) || defined (_POWER) || defined (_IBMR2)
-#if (defined(_BIG_ENDIAN) && _BIG_ENDIAN) || (defined(_AIX) && _AIX) || defined (__BIG_ENDIAN__)|| defined (__APPLE__)
-#define __IEEE_BIG_ENDIAN
-#else
-#if (defined(_LITTLE_ENDIAN) && _LITTLE_ENDIAN) || (defined(__sun__) && __sun__) || (defined(__WIN32__) && __WIN32__)
-#define __IEEE_LITTLE_ENDIAN
-#endif
-#endif
-#endif
-
-#ifdef __fr30__
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifdef __mcore__
-#define __IEEE_BIG_ENDIAN
-#endif
-
-
-#ifdef __ia64__
-#ifdef __BIG_ENDIAN__
-#define __IEEE_BIG_ENDIAN
-#else
-#define __IEEE_LITTLE_ENDIAN
-#endif
-#endif
-
-#ifdef __s390__
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifndef __IEEE_BIG_ENDIAN
-#ifndef __IEEE_LITTLE_ENDIAN
-#error Endianess not declared!!
-#endif /* not __IEEE_LITTLE_ENDIAN */
-#endif /* not __IEEE_BIG_ENDIAN */
-
-#endif /* not __IEEE_LITTLE_ENDIAN */
-#endif /* not __IEEE_BIG_ENDIAN */
-
-#endif /* __CLASSPATH_IEEEFP_H__ */
diff --git a/libjava/classpath/native/fdlibm/k_cos.c b/libjava/classpath/native/fdlibm/k_cos.c
deleted file mode 100644
index 3ddc298..0000000
--- a/libjava/classpath/native/fdlibm/k_cos.c
+++ /dev/null
@@ -1,95 +0,0 @@
-
-/* @(#)k_cos.c 1.4 96/03/07 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * __kernel_cos( x, y )
- * kernel cos function on [-pi/4, pi/4], pi/4 ~ 0.785398164
- * Input x is assumed to be bounded by ~pi/4 in magnitude.
- * Input y is the tail of x.
- *
- * Algorithm
- * 1. Since cos(-x) = cos(x), we need only to consider positive x.
- * 2. if x < 2^-27 (hx<0x3e400000 0), return 1 with inexact if x!=0.
- * 3. cos(x) is approximated by a polynomial of degree 14 on
- * [0,pi/4]
- * 4 14
- * cos(x) ~ 1 - x*x/2 + C1*x + ... + C6*x
- * where the Remes error is
- *
- * | 2 4 6 8 10 12 14 | -58
- * |cos(x)-(1-.5*x +C1*x +C2*x +C3*x +C4*x +C5*x +C6*x )| <= 2
- * | |
- *
- * 4 6 8 10 12 14
- * 4. let r = C1*x +C2*x +C3*x +C4*x +C5*x +C6*x , then
- * cos(x) = 1 - x*x/2 + r
- * since cos(x+y) ~ cos(x) - sin(x)*y
- * ~ cos(x) - x*y,
- * a correction term is necessary in cos(x) and hence
- * cos(x+y) = 1 - (x*x/2 - (r - x*y))
- * For better accuracy when x > 0.3, let qx = |x|/4 with
- * the last 32 bits mask off, and if x > 0.78125, let qx = 0.28125.
- * Then
- * cos(x+y) = (1-qx) - ((x*x/2-qx) - (r-x*y)).
- * Note that 1-qx and (x*x/2-qx) is EXACT here, and the
- * magnitude of the latter is at least a quarter of x*x/2,
- * thus, reducing the rounding error in the subtraction.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-one = 1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */
-C1 = 4.16666666666666019037e-02, /* 0x3FA55555, 0x5555554C */
-C2 = -1.38888888888741095749e-03, /* 0xBF56C16C, 0x16C15177 */
-C3 = 2.48015872894767294178e-05, /* 0x3EFA01A0, 0x19CB1590 */
-C4 = -2.75573143513906633035e-07, /* 0xBE927E4F, 0x809C52AD */
-C5 = 2.08757232129817482790e-09, /* 0x3E21EE9E, 0xBDB4B1C4 */
-C6 = -1.13596475577881948265e-11; /* 0xBDA8FAE9, 0xBE8838D4 */
-
-#ifdef __STDC__
- double __kernel_cos(double x, double y)
-#else
- double __kernel_cos(x, y)
- double x,y;
-#endif
-{
- double a,hz,z,r,qx;
- int32_t ix;
- GET_HIGH_WORD(ix, x);
- ix &= 0x7fffffff; /* ix = |x|'s high word*/
- if(ix<0x3e400000) { /* if x < 2**27 */
- if(((int)x)==0) return one; /* generate inexact */
- }
- z = x*x;
- r = z*(C1+z*(C2+z*(C3+z*(C4+z*(C5+z*C6)))));
- if(ix < 0x3FD33333) /* if |x| < 0.3 */
- return one - (0.5*z - (z*r - x*y));
- else {
- if(ix > 0x3fe90000) { /* x > 0.78125 */
- qx = 0.28125;
- } else {
- INSERT_WORDS(qx,ix-0x00200000,0);
- }
- hz = 0.5*z-qx;
- a = one-qx;
- return a - (hz - (z*r-x*y));
- }
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/k_rem_pio2.c b/libjava/classpath/native/fdlibm/k_rem_pio2.c
deleted file mode 100644
index ec473ac..0000000
--- a/libjava/classpath/native/fdlibm/k_rem_pio2.c
+++ /dev/null
@@ -1,316 +0,0 @@
-
-/* @(#)k_rem_pio2.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * __kernel_rem_pio2(x,y,e0,nx,prec,ipio2)
- * double x[],y[]; int e0,nx,prec; int ipio2[];
- *
- * __kernel_rem_pio2 return the last three digits of N with
- * y = x - N*pi/2
- * so that |y| < pi/2.
- *
- * The method is to compute the integer (mod 8) and fraction parts of
- * (2/pi)*x without doing the full multiplication. In general we
- * skip the part of the product that are known to be a huge integer (
- * more accurately, = 0 mod 8 ). Thus the number of operations are
- * independent of the exponent of the input.
- *
- * (2/pi) is represented by an array of 24-bit integers in ipio2[].
- *
- * Input parameters:
- * x[] The input value (must be positive) is broken into nx
- * pieces of 24-bit integers in double precision format.
- * x[i] will be the i-th 24 bit of x. The scaled exponent
- * of x[0] is given in input parameter e0 (i.e., x[0]*2^e0
- * match x's up to 24 bits.
- *
- * Example of breaking a double positive z into x[0]+x[1]+x[2]:
- * e0 = ilogb(z)-23
- * z = scalbn(z,-e0)
- * for i = 0,1,2
- * x[i] = floor(z)
- * z = (z-x[i])*2**24
- *
- *
- * y[] ouput result in an array of double precision numbers.
- * The dimension of y[] is:
- * 24-bit precision 1
- * 53-bit precision 2
- * 64-bit precision 2
- * 113-bit precision 3
- * The actual value is the sum of them. Thus for 113-bit
- * precison, one may have to do something like:
- *
- * long double t,w,r_head, r_tail;
- * t = (long double)y[2] + (long double)y[1];
- * w = (long double)y[0];
- * r_head = t+w;
- * r_tail = w - (r_head - t);
- *
- * e0 The exponent of x[0]
- *
- * nx dimension of x[]
- *
- * prec an integer indicating the precision:
- * 0 24 bits (single)
- * 1 53 bits (double)
- * 2 64 bits (extended)
- * 3 113 bits (quad)
- *
- * ipio2[]
- * integer array, contains the (24*i)-th to (24*i+23)-th
- * bit of 2/pi after binary point. The corresponding
- * floating value is
- *
- * ipio2[i] * 2^(-24(i+1)).
- *
- * External function:
- * double scalbn(), floor();
- *
- *
- * Here is the description of some local variables:
- *
- * jk jk+1 is the initial number of terms of ipio2[] needed
- * in the computation. The recommended value is 2,3,4,
- * 6 for single, double, extended,and quad.
- *
- * jz local integer variable indicating the number of
- * terms of ipio2[] used.
- *
- * jx nx - 1
- *
- * jv index for pointing to the suitable ipio2[] for the
- * computation. In general, we want
- * ( 2^e0*x[0] * ipio2[jv-1]*2^(-24jv) )/8
- * is an integer. Thus
- * e0-3-24*jv >= 0 or (e0-3)/24 >= jv
- * Hence jv = max(0,(e0-3)/24).
- *
- * jp jp+1 is the number of terms in PIo2[] needed, jp = jk.
- *
- * q[] double array with integral value, representing the
- * 24-bits chunk of the product of x and 2/pi.
- *
- * q0 the corresponding exponent of q[0]. Note that the
- * exponent for q[i] would be q0-24*i.
- *
- * PIo2[] double precision array, obtained by cutting pi/2
- * into 24 bits chunks.
- *
- * f[] ipio2[] in floating point
- *
- * iq[] integer array by breaking up q[] in 24-bits chunk.
- *
- * fq[] final product of x*(2/pi) in fq[0],..,fq[jk]
- *
- * ih integer. If >0 it indicates q[] is >= 0.5, hence
- * it also indicates the *sign* of the result.
- *
- */
-
-
-/*
- * Constants:
- * The hexadecimal values are the intended ones for the following
- * constants. The decimal values may be used, provided that the
- * compiler will convert from decimal to binary accurately enough
- * to produce the hexadecimal values shown.
- */
-
-#include "fdlibm.h"
-
-#ifdef __STDC__
-static const int init_jk[] = {2,3,4,6}; /* initial value for jk */
-#else
-static int init_jk[] = {2,3,4,6};
-#endif
-
-#ifdef __STDC__
-static const double PIo2[] = {
-#else
-static double PIo2[] = {
-#endif
- 1.57079625129699707031e+00, /* 0x3FF921FB, 0x40000000 */
- 7.54978941586159635335e-08, /* 0x3E74442D, 0x00000000 */
- 5.39030252995776476554e-15, /* 0x3CF84698, 0x80000000 */
- 3.28200341580791294123e-22, /* 0x3B78CC51, 0x60000000 */
- 1.27065575308067607349e-29, /* 0x39F01B83, 0x80000000 */
- 1.22933308981111328932e-36, /* 0x387A2520, 0x40000000 */
- 2.73370053816464559624e-44, /* 0x36E38222, 0x80000000 */
- 2.16741683877804819444e-51, /* 0x3569F31D, 0x00000000 */
-};
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-zero = 0.0,
-one = 1.0,
-two24 = 1.67772160000000000000e+07, /* 0x41700000, 0x00000000 */
-twon24 = 5.96046447753906250000e-08; /* 0x3E700000, 0x00000000 */
-
-#ifdef __STDC__
- int __kernel_rem_pio2(double *x, double *y, int e0, int nx, int prec, const int *ipio2)
-#else
- int __kernel_rem_pio2(x,y,e0,nx,prec,ipio2)
- double x[], y[]; int e0,nx,prec; int ipio2[];
-#endif
-{
- int jz,jx,jv,jp,jk,carry,n,iq[20],i,j,k,m,q0,ih;
- double z,fw,f[20],fq[20],q[20];
-
- /* initialize jk*/
- jk = init_jk[prec];
- jp = jk;
-
- /* determine jx,jv,q0, note that 3>q0 */
- jx = nx-1;
- jv = (e0-3)/24; if(jv<0) jv=0;
- q0 = e0-24*(jv+1);
-
- /* set up f[0] to f[jx+jk] where f[jx+jk] = ipio2[jv+jk] */
- j = jv-jx; m = jx+jk;
- for(i=0;i<=m;i++,j++) f[i] = (j<0)? zero : (double) ipio2[j];
-
- /* compute q[0],q[1],...q[jk] */
- for (i=0;i<=jk;i++) {
- for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; q[i] = fw;
- }
-
- jz = jk;
-recompute:
- /* distill q[] into iq[] reversingly */
- for(i=0,j=jz,z=q[jz];j>0;i++,j--) {
- fw = (double)((int)(twon24* z));
- iq[i] = (int)(z-two24*fw);
- z = q[j-1]+fw;
- }
-
- /* compute n */
- z = scalbn(z,q0); /* actual value of z */
- z -= 8.0*floor(z*0.125); /* trim off integer >= 8 */
- n = (int) z;
- z -= (double)n;
- ih = 0;
- if(q0>0) { /* need iq[jz-1] to determine n */
- i = (iq[jz-1]>>(24-q0)); n += i;
- iq[jz-1] -= i<<(24-q0);
- ih = iq[jz-1]>>(23-q0);
- }
- else if(q0==0) ih = iq[jz-1]>>23;
- else if(z>=0.5) ih=2;
-
- if(ih>0) { /* q > 0.5 */
- n += 1; carry = 0;
- for(i=0;i<jz ;i++) { /* compute 1-q */
- j = iq[i];
- if(carry==0) {
- if(j!=0) {
- carry = 1; iq[i] = 0x1000000- j;
- }
- } else iq[i] = 0xffffff - j;
- }
- if(q0>0) { /* rare case: chance is 1 in 12 */
- switch(q0) {
- case 1:
- iq[jz-1] &= 0x7fffff; break;
- case 2:
- iq[jz-1] &= 0x3fffff; break;
- }
- }
- if(ih==2) {
- z = one - z;
- if(carry!=0) z -= scalbn(one,q0);
- }
- }
-
- /* check if recomputation is needed */
- if(z==zero) {
- j = 0;
- for (i=jz-1;i>=jk;i--) j |= iq[i];
- if(j==0) { /* need recomputation */
- for(k=1;iq[jk-k]==0;k++); /* k = no. of terms needed */
-
- for(i=jz+1;i<=jz+k;i++) { /* add q[jz+1] to q[jz+k] */
- f[jx+i] = (double) ipio2[jv+i];
- for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j];
- q[i] = fw;
- }
- jz += k;
- goto recompute;
- }
- }
-
- /* chop off zero terms */
- if(z==0.0) {
- jz -= 1; q0 -= 24;
- while(iq[jz]==0) { jz--; q0-=24;}
- } else { /* break z into 24-bit if necessary */
- z = scalbn(z,-q0);
- if(z>=two24) {
- fw = (double)((int)(twon24*z));
- iq[jz] = (int)(z-two24*fw);
- jz += 1; q0 += 24;
- iq[jz] = (int) fw;
- } else iq[jz] = (int) z ;
- }
-
- /* convert integer "bit" chunk to floating-point value */
- fw = scalbn(one,q0);
- for(i=jz;i>=0;i--) {
- q[i] = fw*(double)iq[i]; fw*=twon24;
- }
-
- /* compute PIo2[0,...,jp]*q[jz,...,0] */
- for(i=jz;i>=0;i--) {
- for(fw=0.0,k=0;k<=jp&&k<=jz-i;k++) fw += PIo2[k]*q[i+k];
- fq[jz-i] = fw;
- }
-
- /* compress fq[] into y[] */
- switch(prec) {
- case 0:
- fw = 0.0;
- for (i=jz;i>=0;i--) fw += fq[i];
- y[0] = (ih==0)? fw: -fw;
- break;
- case 1:
- case 2:
- fw = 0.0;
- for (i=jz;i>=0;i--) fw += fq[i];
- y[0] = (ih==0)? fw: -fw;
- fw = fq[0]-fw;
- for (i=1;i<=jz;i++) fw += fq[i];
- y[1] = (ih==0)? fw: -fw;
- break;
- case 3: /* painful */
- for (i=jz;i>0;i--) {
- fw = fq[i-1]+fq[i];
- fq[i] += fq[i-1]-fw;
- fq[i-1] = fw;
- }
- for (i=jz;i>1;i--) {
- fw = fq[i-1]+fq[i];
- fq[i] += fq[i-1]-fw;
- fq[i-1] = fw;
- }
- for (fw=0.0,i=jz;i>=2;i--) fw += fq[i];
- if(ih==0) {
- y[0] = fq[0]; y[1] = fq[1]; y[2] = fw;
- } else {
- y[0] = -fq[0]; y[1] = -fq[1]; y[2] = -fw;
- }
- }
- return n&7;
-}
diff --git a/libjava/classpath/native/fdlibm/k_sin.c b/libjava/classpath/native/fdlibm/k_sin.c
deleted file mode 100644
index c60dada..0000000
--- a/libjava/classpath/native/fdlibm/k_sin.c
+++ /dev/null
@@ -1,78 +0,0 @@
-
-/* @(#)k_sin.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* __kernel_sin( x, y, iy)
- * kernel sin function on [-pi/4, pi/4], pi/4 ~ 0.7854
- * Input x is assumed to be bounded by ~pi/4 in magnitude.
- * Input y is the tail of x.
- * Input iy indicates whether y is 0. (if iy=0, y assume to be 0).
- *
- * Algorithm
- * 1. Since sin(-x) = -sin(x), we need only to consider positive x.
- * 2. if x < 2^-27 (hx<0x3e400000 0), return x with inexact if x!=0.
- * 3. sin(x) is approximated by a polynomial of degree 13 on
- * [0,pi/4]
- * 3 13
- * sin(x) ~ x + S1*x + ... + S6*x
- * where
- *
- * |sin(x) 2 4 6 8 10 12 | -58
- * |----- - (1+S1*x +S2*x +S3*x +S4*x +S5*x +S6*x )| <= 2
- * | x |
- *
- * 4. sin(x+y) = sin(x) + sin'(x')*y
- * ~ sin(x) + (1-x*x/2)*y
- * For better accuracy, let
- * 3 2 2 2 2
- * r = x *(S2+x *(S3+x *(S4+x *(S5+x *S6))))
- * then 3 2
- * sin(x) = x + (S1*x + (x *(r-y/2)+y))
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-half = 5.00000000000000000000e-01, /* 0x3FE00000, 0x00000000 */
-S1 = -1.66666666666666324348e-01, /* 0xBFC55555, 0x55555549 */
-S2 = 8.33333333332248946124e-03, /* 0x3F811111, 0x1110F8A6 */
-S3 = -1.98412698298579493134e-04, /* 0xBF2A01A0, 0x19C161D5 */
-S4 = 2.75573137070700676789e-06, /* 0x3EC71DE3, 0x57B1FE7D */
-S5 = -2.50507602534068634195e-08, /* 0xBE5AE5E6, 0x8A2B9CEB */
-S6 = 1.58969099521155010221e-10; /* 0x3DE5D93A, 0x5ACFD57C */
-
-#ifdef __STDC__
- double __kernel_sin(double x, double y, int iy)
-#else
- double __kernel_sin(x, y, iy)
- double x,y; int iy; /* iy=0 if y is zero */
-#endif
-{
- double z,r,v;
- int32_t ix;
- GET_HIGH_WORD(ix,x);
- ix &=0x7fffffff; /* high word of x */
- if(ix<0x3e400000) /* |x| < 2**-27 */
- {if((int)x==0) return x;} /* generate inexact */
- z = x*x;
- v = z*x;
- r = S2+z*(S3+z*(S4+z*(S5+z*S6)));
- if(iy==0) return x+v*(S1+z*r);
- else return x-((z*(half*y-v*r)-y)-v*S1);
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/k_tan.c b/libjava/classpath/native/fdlibm/k_tan.c
deleted file mode 100644
index 975d238..0000000
--- a/libjava/classpath/native/fdlibm/k_tan.c
+++ /dev/null
@@ -1,153 +0,0 @@
-#pragma ident "@(#)k_tan.c 1.5 04/04/22 SMI"
-
-/*
- * ====================================================
- * Copyright 2004 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* INDENT OFF */
-/* __kernel_tan( x, y, k )
- * kernel tan function on [-pi/4, pi/4], pi/4 ~ 0.7854
- * Input x is assumed to be bounded by ~pi/4 in magnitude.
- * Input y is the tail of x.
- * Input k indicates whether tan (if k = 1) or -1/tan (if k = -1) is returned.
- *
- * Algorithm
- * 1. Since tan(-x) = -tan(x), we need only to consider positive x.
- * 2. if x < 2^-28 (hx<0x3e300000 0), return x with inexact if x!=0.
- * 3. tan(x) is approximated by a odd polynomial of degree 27 on
- * [0,0.67434]
- * 3 27
- * tan(x) ~ x + T1*x + ... + T13*x
- * where
- *
- * |tan(x) 2 4 26 | -59.2
- * |----- - (1+T1*x +T2*x +.... +T13*x )| <= 2
- * | x |
- *
- * Note: tan(x+y) = tan(x) + tan'(x)*y
- * ~ tan(x) + (1+x*x)*y
- * Therefore, for better accuracy in computing tan(x+y), let
- * 3 2 2 2 2
- * r = x *(T2+x *(T3+x *(...+x *(T12+x *T13))))
- * then
- * 3 2
- * tan(x+y) = x + (T1*x + (x *(r+y)+y))
- *
- * 4. For x in [0.67434,pi/4], let y = pi/4 - x, then
- * tan(x) = tan(pi/4-y) = (1-tan(y))/(1+tan(y))
- * = 1 - 2*(tan(y) - (tan(y)^2)/(1+tan(y)))
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-static const double xxx[] = {
- 3.33333333333334091986e-01, /* 3FD55555, 55555563 */
- 1.33333333333201242699e-01, /* 3FC11111, 1110FE7A */
- 5.39682539762260521377e-02, /* 3FABA1BA, 1BB341FE */
- 2.18694882948595424599e-02, /* 3F9664F4, 8406D637 */
- 8.86323982359930005737e-03, /* 3F8226E3, E96E8493 */
- 3.59207910759131235356e-03, /* 3F6D6D22, C9560328 */
- 1.45620945432529025516e-03, /* 3F57DBC8, FEE08315 */
- 5.88041240820264096874e-04, /* 3F4344D8, F2F26501 */
- 2.46463134818469906812e-04, /* 3F3026F7, 1A8D1068 */
- 7.81794442939557092300e-05, /* 3F147E88, A03792A6 */
- 7.14072491382608190305e-05, /* 3F12B80F, 32F0A7E9 */
- -1.85586374855275456654e-05, /* BEF375CB, DB605373 */
- 2.59073051863633712884e-05, /* 3EFB2A70, 74BF7AD4 */
-/* one */ 1.00000000000000000000e+00, /* 3FF00000, 00000000 */
-/* pio4 */ 7.85398163397448278999e-01, /* 3FE921FB, 54442D18 */
-/* pio4lo */ 3.06161699786838301793e-17 /* 3C81A626, 33145C07 */
-};
-#define one xxx[13]
-#define pio4 xxx[14]
-#define pio4lo xxx[15]
-#define T xxx
-/* INDENT ON */
-
-double
-__kernel_tan(double x, double y, int iy) {
- double z, r, v, w, s;
- int32_t ix, hx;
-
- GET_HIGH_WORD(hx,x); /* high word of x */
- ix = hx & 0x7fffffff; /* high word of |x| */
- if (ix < 0x3e300000) { /* x < 2**-28 */
- if ((int) x == 0) { /* generate inexact */
- uint32_t low;
- GET_LOW_WORD(low,x);
- if (((ix | low) | (iy + 1)) == 0)
- return one / fabs(x);
- else {
- if (iy == 1)
- return x;
- else { /* compute -1 / (x+y) carefully */
- double a, t;
-
- z = w = x + y;
- SET_LOW_WORD(z,0);
- v = y - (z - x);
- t = a = -one / w;
- SET_LOW_WORD(t,0);
- s = one + t * z;
- return t + a * (s + t * v);
- }
- }
- }
- }
- if (ix >= 0x3FE59428) { /* |x| >= 0.6744 */
- if (hx < 0) {
- x = -x;
- y = -y;
- }
- z = pio4 - x;
- w = pio4lo - y;
- x = z + w;
- y = 0.0;
- }
- z = x * x;
- w = z * z;
- /*
- * Break x^5*(T[1]+x^2*T[2]+...) into
- * x^5(T[1]+x^4*T[3]+...+x^20*T[11]) +
- * x^5(x^2*(T[2]+x^4*T[4]+...+x^22*[T12]))
- */
- r = T[1] + w * (T[3] + w * (T[5] + w * (T[7] + w * (T[9] +
- w * T[11]))));
- v = z * (T[2] + w * (T[4] + w * (T[6] + w * (T[8] + w * (T[10] +
- w * T[12])))));
- s = z * x;
- r = y + z * (s * (r + v) + y);
- r += T[0] * s;
- w = x + r;
- if (ix >= 0x3FE59428) {
- v = (double) iy;
- return (double) (1 - ((hx >> 30) & 2)) *
- (v - 2.0 * (x - (w * w / (w + v) - r)));
- }
- if (iy == 1)
- return w;
- else {
- /*
- * if allow error up to 2 ulp, simply return
- * -1.0 / (x+r) here
- */
- /* compute -1.0 / (x+r) accurately */
- double a, t;
- z = w;
- SET_LOW_WORD(z,0);
- v = r - (z - x); /* z+v = r+x */
- t = a = -1.0 / w; /* a = -1.0/w */
- SET_LOW_WORD(t,0);
- s = 1.0 + t * z;
- return t + a * (s + t * v);
- }
-}
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/mprec.c b/libjava/classpath/native/fdlibm/mprec.c
deleted file mode 100644
index 460c3010..0000000
--- a/libjava/classpath/native/fdlibm/mprec.c
+++ /dev/null
@@ -1,1026 +0,0 @@
-/****************************************************************
- *
- * The author of this software is David M. Gay.
- *
- * Copyright (c) 1991 by AT&T.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose without fee is hereby granted, provided that this entire notice
- * is included in all copies of any software which is or includes a copy
- * or modification of this software and in all copies of the supporting
- * documentation for such software.
- *
- * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTY. IN PARTICULAR, NEITHER THE AUTHOR NOR AT&T MAKES ANY
- * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
- * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
- *
- ***************************************************************/
-
-/* Please send bug reports to
- David M. Gay
- AT&T Bell Laboratories, Room 2C-463
- 600 Mountain Avenue
- Murray Hill, NJ 07974-2070
- U.S.A.
- dmg@research.att.com or research!dmg
- */
-
-/* strtod for IEEE-, VAX-, and IBM-arithmetic machines.
- *
- * This strtod returns a nearest machine number to the input decimal
- * string (or sets errno to ERANGE). With IEEE arithmetic, ties are
- * broken by the IEEE round-even rule. Otherwise ties are broken by
- * biased rounding (add half and chop).
- *
- * Inspired loosely by William D. Clinger's paper "How to Read Floating
- * Point Numbers Accurately" [Proc. ACM SIGPLAN '90, pp. 92-101].
- *
- * Modifications:
- *
- * 1. We only require IEEE, IBM, or VAX double-precision
- * arithmetic (not IEEE double-extended).
- * 2. We get by with floating-point arithmetic in a case that
- * Clinger missed -- when we're computing d * 10^n
- * for a small integer d and the integer n is not too
- * much larger than 22 (the maximum integer k for which
- * we can represent 10^k exactly), we may be able to
- * compute (d*10^k) * 10^(e-k) with just one roundoff.
- * 3. Rather than a bit-at-a-time adjustment of the binary
- * result in the hard case, we use floating-point
- * arithmetic to determine the adjustment to within
- * one bit; only in really hard cases do we need to
- * compute a second residual.
- * 4. Because of 3., we don't need a large table of powers of 10
- * for ten-to-e (just some small tables, e.g. of 10^k
- * for 0 <= k <= 22).
- */
-
-/*
- * #define IEEE_8087 for IEEE-arithmetic machines where the least
- * significant byte has the lowest address.
- * #define IEEE_MC68k for IEEE-arithmetic machines where the most
- * significant byte has the lowest address.
- * #define Sudden_Underflow for IEEE-format machines without gradual
- * underflow (i.e., that flush to zero on underflow).
- * #define IBM for IBM mainframe-style floating-point arithmetic.
- * #define VAX for VAX-style floating-point arithmetic.
- * #define Unsigned_Shifts if >> does treats its left operand as unsigned.
- * #define No_leftright to omit left-right logic in fast floating-point
- * computation of dtoa.
- * #define Check_FLT_ROUNDS if FLT_ROUNDS can assume the values 2 or 3.
- * #define RND_PRODQUOT to use rnd_prod and rnd_quot (assembly routines
- * that use extended-precision instructions to compute rounded
- * products and quotients) with IBM.
- * #define ROUND_BIASED for IEEE-format with biased rounding.
- * #define Inaccurate_Divide for IEEE-format with correctly rounded
- * products but inaccurate quotients, e.g., for Intel i860.
- * #define Just_16 to store 16 bits per 32-bit long when doing high-precision
- * integer arithmetic. Whether this speeds things up or slows things
- * down depends on the machine and the number being converted.
- */
-
-/*#include <_ansi.h>*/
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
-/* #include <reent.h> */
-#include "mprec.h"
-
-/* reent.c knows this value */
-/* #define _Kmax 15 */
-
-#define _reent _Jv_reent
-#define _Bigint _Jv_Bigint
-
-#undef _REENT_CHECK_MP
-#define _REENT_CHECK_MP(x)
-#undef _REENT_MP_FREELIST
-#define _REENT_MP_FREELIST(x) ((x)->_freelist)
-#undef _REENT_MP_P5S
-#define _REENT_MP_P5S(x) ((x)->_p5s)
-
-#undef __ULong
-#define __ULong unsigned long
-#undef __Long
-#define __Long long
-
-static void *
-mprec_calloc (void *ignore, size_t x1, size_t x2)
-{
- char *result = (char *) malloc (x1 * x2);
- memset (result, 0, x1 * x2);
- return result;
-}
-
-_Bigint *
-_DEFUN (Balloc, (ptr, k), struct _reent *ptr _AND int k)
-{
- int x;
- _Bigint *rv ;
- int new_k = k + 1;
-
- _REENT_CHECK_MP(ptr);
- if (_REENT_MP_FREELIST(ptr) == NULL)
- {
- /* Allocate a list of pointers to the mprec objects */
- _REENT_MP_FREELIST(ptr) = (struct _Bigint **) mprec_calloc (ptr,
- sizeof (struct _Bigint *),
- new_k);
- if (_REENT_MP_FREELIST(ptr) == NULL)
- {
- return NULL;
- }
- ptr->_max_k = new_k;
- }
- else if (new_k > ptr->_max_k)
- {
- struct _Bigint **new_list
- = (struct _Bigint **) realloc (ptr->_freelist,
- new_k * sizeof (struct _Bigint *));
- memset (&new_list[ptr->_max_k], 0,
- (new_k - ptr->_max_k) * sizeof (struct _Bigint *));
- ptr->_freelist = new_list;
- ptr->_max_k = new_k;
-
- }
-
- assert (k <= ptr->_max_k);
-
- if ((rv = _REENT_MP_FREELIST(ptr)[k]) != 0)
- {
- _REENT_MP_FREELIST(ptr)[k] = rv->_next;
- }
- else
- {
- x = 1 << k;
- /* Allocate an mprec Bigint and stick in in the freelist */
- rv = (_Bigint *) mprec_calloc (ptr,
- 1,
- sizeof (_Bigint) +
- (x-1) * sizeof(rv->_x));
- if (rv == NULL) return NULL;
- rv->_k = k;
- rv->_maxwds = x;
- }
- rv->_sign = rv->_wds = 0;
- return rv;
-}
-
-void
-_DEFUN (Bfree, (ptr, v), struct _reent *ptr _AND _Bigint * v)
-{
- _REENT_CHECK_MP(ptr);
- if (v)
- {
- v->_next = _REENT_MP_FREELIST(ptr)[v->_k];
- _REENT_MP_FREELIST(ptr)[v->_k] = v;
- }
-}
-
-_Bigint *
-_DEFUN (multadd, (ptr, b, m, a),
- struct _reent *ptr _AND
- _Bigint * b _AND
- int m _AND
- int a)
-{
- int i, wds;
- __ULong *x, y;
-#ifdef Pack_32
- __ULong xi, z;
-#endif
- _Bigint *b1;
-
- wds = b->_wds;
- x = b->_x;
- i = 0;
- do
- {
-#ifdef Pack_32
- xi = *x;
- y = (xi & 0xffff) * m + a;
- z = (xi >> 16) * m + (y >> 16);
- a = (int) (z >> 16);
- *x++ = (z << 16) + (y & 0xffff);
-#else
- y = *x * m + a;
- a = (int) (y >> 16);
- *x++ = y & 0xffff;
-#endif
- }
- while (++i < wds);
- if (a)
- {
- if (wds >= b->_maxwds)
- {
- b1 = Balloc (ptr, b->_k + 1);
- Bcopy (b1, b);
- Bfree (ptr, b);
- b = b1;
- }
- b->_x[wds++] = a;
- b->_wds = wds;
- }
- return b;
-}
-
-_Bigint *
-_DEFUN (s2b, (ptr, s, nd0, nd, y9),
- struct _reent * ptr _AND
- _CONST char *s _AND
- int nd0 _AND
- int nd _AND
- __ULong y9)
-{
- _Bigint *b;
- int i, k;
- __Long x, y;
-
- x = (nd + 8) / 9;
- for (k = 0, y = 1; x > y; y <<= 1, k++);
-#ifdef Pack_32
- b = Balloc (ptr, k);
- b->_x[0] = y9;
- b->_wds = 1;
-#else
- b = Balloc (ptr, k + 1);
- b->_x[0] = y9 & 0xffff;
- b->_wds = (b->_x[1] = y9 >> 16) ? 2 : 1;
-#endif
-
- i = 9;
- if (9 < nd0)
- {
- s += 9;
- do
- b = multadd (ptr, b, 10, *s++ - '0');
- while (++i < nd0);
- s++;
- }
- else
- s += 10;
- for (; i < nd; i++)
- b = multadd (ptr, b, 10, *s++ - '0');
- return b;
-}
-
-int
-_DEFUN (hi0bits,
- (x), register __ULong x)
-{
- register int k = 0;
-
- if (!(x & 0xffff0000))
- {
- k = 16;
- x <<= 16;
- }
- if (!(x & 0xff000000))
- {
- k += 8;
- x <<= 8;
- }
- if (!(x & 0xf0000000))
- {
- k += 4;
- x <<= 4;
- }
- if (!(x & 0xc0000000))
- {
- k += 2;
- x <<= 2;
- }
- if (!(x & 0x80000000))
- {
- k++;
- if (!(x & 0x40000000))
- return 32;
- }
- return k;
-}
-
-int
-_DEFUN (lo0bits, (y), __ULong *y)
-{
- register int k;
- register __ULong x = *y;
-
- if (x & 7)
- {
- if (x & 1)
- return 0;
- if (x & 2)
- {
- *y = x >> 1;
- return 1;
- }
- *y = x >> 2;
- return 2;
- }
- k = 0;
- if (!(x & 0xffff))
- {
- k = 16;
- x >>= 16;
- }
- if (!(x & 0xff))
- {
- k += 8;
- x >>= 8;
- }
- if (!(x & 0xf))
- {
- k += 4;
- x >>= 4;
- }
- if (!(x & 0x3))
- {
- k += 2;
- x >>= 2;
- }
- if (!(x & 1))
- {
- k++;
- x >>= 1;
- if (!x & 1)
- return 32;
- }
- *y = x;
- return k;
-}
-
-_Bigint *
-_DEFUN (i2b, (ptr, i), struct _reent * ptr _AND int i)
-{
- _Bigint *b;
-
- b = Balloc (ptr, 1);
- b->_x[0] = i;
- b->_wds = 1;
- return b;
-}
-
-_Bigint *
-_DEFUN (mult, (ptr, a, b), struct _reent * ptr _AND _Bigint * a _AND _Bigint * b)
-{
- _Bigint *c;
- int k, wa, wb, wc;
- __ULong carry, y, z;
- __ULong *x, *xa, *xae, *xb, *xbe, *xc, *xc0;
-#ifdef Pack_32
- __ULong z2;
-#endif
-
- if (a->_wds < b->_wds)
- {
- c = a;
- a = b;
- b = c;
- }
- k = a->_k;
- wa = a->_wds;
- wb = b->_wds;
- wc = wa + wb;
- if (wc > a->_maxwds)
- k++;
- c = Balloc (ptr, k);
- for (x = c->_x, xa = x + wc; x < xa; x++)
- *x = 0;
- xa = a->_x;
- xae = xa + wa;
- xb = b->_x;
- xbe = xb + wb;
- xc0 = c->_x;
-#ifdef Pack_32
- for (; xb < xbe; xb++, xc0++)
- {
- if ((y = *xb & 0xffff) != 0)
- {
- x = xa;
- xc = xc0;
- carry = 0;
- do
- {
- z = (*x & 0xffff) * y + (*xc & 0xffff) + carry;
- carry = z >> 16;
- z2 = (*x++ >> 16) * y + (*xc >> 16) + carry;
- carry = z2 >> 16;
- Storeinc (xc, z2, z);
- }
- while (x < xae);
- *xc = carry;
- }
- if ((y = *xb >> 16) != 0)
- {
- x = xa;
- xc = xc0;
- carry = 0;
- z2 = *xc;
- do
- {
- z = (*x & 0xffff) * y + (*xc >> 16) + carry;
- carry = z >> 16;
- Storeinc (xc, z, z2);
- z2 = (*x++ >> 16) * y + (*xc & 0xffff) + carry;
- carry = z2 >> 16;
- }
- while (x < xae);
- *xc = z2;
- }
- }
-#else
- for (; xb < xbe; xc0++)
- {
- if (y = *xb++)
- {
- x = xa;
- xc = xc0;
- carry = 0;
- do
- {
- z = *x++ * y + *xc + carry;
- carry = z >> 16;
- *xc++ = z & 0xffff;
- }
- while (x < xae);
- *xc = carry;
- }
- }
-#endif
- for (xc0 = c->_x, xc = xc0 + wc; wc > 0 && !*--xc; --wc);
- c->_wds = wc;
- return c;
-}
-
-_Bigint *
-_DEFUN (pow5mult,
- (ptr, b, k), struct _reent * ptr _AND _Bigint * b _AND int k)
-{
- _Bigint *b1, *p5, *p51;
- int i;
- static _CONST int p05[3] = {5, 25, 125};
-
- if ((i = k & 3) != 0)
- b = multadd (ptr, b, p05[i - 1], 0);
-
- if (!(k >>= 2))
- return b;
- _REENT_CHECK_MP(ptr);
- if (!(p5 = _REENT_MP_P5S(ptr)))
- {
- /* first time */
- p5 = _REENT_MP_P5S(ptr) = i2b (ptr, 625);
- p5->_next = 0;
- }
- for (;;)
- {
- if (k & 1)
- {
- b1 = mult (ptr, b, p5);
- Bfree (ptr, b);
- b = b1;
- }
- if (!(k >>= 1))
- break;
- if (!(p51 = p5->_next))
- {
- p51 = p5->_next = mult (ptr, p5, p5);
- p51->_next = 0;
- }
- p5 = p51;
- }
- return b;
-}
-
-_Bigint *
-_DEFUN (lshift, (ptr, b, k), struct _reent * ptr _AND _Bigint * b _AND int k)
-{
- int i, k1, n, n1;
- _Bigint *b1;
- __ULong *x, *x1, *xe, z;
-
-#ifdef Pack_32
- n = k >> 5;
-#else
- n = k >> 4;
-#endif
- k1 = b->_k;
- n1 = n + b->_wds + 1;
- for (i = b->_maxwds; n1 > i; i <<= 1)
- k1++;
- b1 = Balloc (ptr, k1);
- x1 = b1->_x;
- for (i = 0; i < n; i++)
- *x1++ = 0;
- x = b->_x;
- xe = x + b->_wds;
-#ifdef Pack_32
- if (k &= 0x1f)
- {
- k1 = 32 - k;
- z = 0;
- do
- {
- *x1++ = *x << k | z;
- z = *x++ >> k1;
- }
- while (x < xe);
- if ((*x1 = z) != 0)
- ++n1;
- }
-#else
- if (k &= 0xf)
- {
- k1 = 16 - k;
- z = 0;
- do
- {
- *x1++ = *x << k & 0xffff | z;
- z = *x++ >> k1;
- }
- while (x < xe);
- if (*x1 = z)
- ++n1;
- }
-#endif
- else
- do
- *x1++ = *x++;
- while (x < xe);
- b1->_wds = n1 - 1;
- Bfree (ptr, b);
- return b1;
-}
-
-int
-_DEFUN (cmp, (a, b), _Bigint * a _AND _Bigint * b)
-{
- __ULong *xa, *xa0, *xb, *xb0;
- int i, j;
-
- i = a->_wds;
- j = b->_wds;
-#ifdef DEBUG
- if (i > 1 && !a->_x[i - 1])
- Bug ("cmp called with a->_x[a->_wds-1] == 0");
- if (j > 1 && !b->_x[j - 1])
- Bug ("cmp called with b->_x[b->_wds-1] == 0");
-#endif
- if (i -= j)
- return i;
- xa0 = a->_x;
- xa = xa0 + j;
- xb0 = b->_x;
- xb = xb0 + j;
- for (;;)
- {
- if (*--xa != *--xb)
- return *xa < *xb ? -1 : 1;
- if (xa <= xa0)
- break;
- }
- return 0;
-}
-
-_Bigint *
-_DEFUN (diff, (ptr, a, b), struct _reent * ptr _AND
- _Bigint * a _AND _Bigint * b)
-{
- _Bigint *c;
- int i, wa, wb;
- __Long borrow, y; /* We need signed shifts here. */
- __ULong *xa, *xae, *xb, *xbe, *xc;
-#ifdef Pack_32
- __Long z;
-#endif
-
- i = cmp (a, b);
- if (!i)
- {
- c = Balloc (ptr, 0);
- c->_wds = 1;
- c->_x[0] = 0;
- return c;
- }
- if (i < 0)
- {
- c = a;
- a = b;
- b = c;
- i = 1;
- }
- else
- i = 0;
- c = Balloc (ptr, a->_k);
- c->_sign = i;
- wa = a->_wds;
- xa = a->_x;
- xae = xa + wa;
- wb = b->_wds;
- xb = b->_x;
- xbe = xb + wb;
- xc = c->_x;
- borrow = 0;
-#ifdef Pack_32
- do
- {
- y = (*xa & 0xffff) - (*xb & 0xffff) + borrow;
- borrow = y >> 16;
- Sign_Extend (borrow, y);
- z = (*xa++ >> 16) - (*xb++ >> 16) + borrow;
- borrow = z >> 16;
- Sign_Extend (borrow, z);
- Storeinc (xc, z, y);
- }
- while (xb < xbe);
- while (xa < xae)
- {
- y = (*xa & 0xffff) + borrow;
- borrow = y >> 16;
- Sign_Extend (borrow, y);
- z = (*xa++ >> 16) + borrow;
- borrow = z >> 16;
- Sign_Extend (borrow, z);
- Storeinc (xc, z, y);
- }
-#else
- do
- {
- y = *xa++ - *xb++ + borrow;
- borrow = y >> 16;
- Sign_Extend (borrow, y);
- *xc++ = y & 0xffff;
- }
- while (xb < xbe);
- while (xa < xae)
- {
- y = *xa++ + borrow;
- borrow = y >> 16;
- Sign_Extend (borrow, y);
- *xc++ = y & 0xffff;
- }
-#endif
- while (!*--xc)
- wa--;
- c->_wds = wa;
- return c;
-}
-
-double
-_DEFUN (ulp, (_x), double _x)
-{
- union double_union x, a;
- register int32_t L;
-
- x.d = _x;
-
- L = (word0 (x) & Exp_mask) - (P - 1) * Exp_msk1;
-#ifndef Sudden_Underflow
- if (L > 0)
- {
-#endif
-#ifdef IBM
- L |= Exp_msk1 >> 4;
-#endif
- word0 (a) = L;
-#ifndef _DOUBLE_IS_32BITS
- word1 (a) = 0;
-#endif
-
-#ifndef Sudden_Underflow
- }
- else
- {
- L = -L >> Exp_shift;
- if (L < Exp_shift)
- {
- word0 (a) = 0x80000 >> L;
-#ifndef _DOUBLE_IS_32BITS
- word1 (a) = 0;
-#endif
- }
- else
- {
- word0 (a) = 0;
- L -= Exp_shift;
-#ifndef _DOUBLE_IS_32BITS
- word1 (a) = L >= 31 ? 1 : 1 << (31 - L);
-#endif
- }
- }
-#endif
- return a.d;
-}
-
-double
-_DEFUN (b2d, (a, e),
- _Bigint * a _AND int *e)
-{
- __ULong *xa, *xa0, w, y, z;
- int k;
- union double_union d;
-#ifdef VAX
- __ULong d0, d1;
-#else
-#define d0 word0(d)
-#define d1 word1(d)
-#endif
-
- xa0 = a->_x;
- xa = xa0 + a->_wds;
- y = *--xa;
-#ifdef DEBUG
- if (!y)
- Bug ("zero y in b2d");
-#endif
- k = hi0bits (y);
- *e = 32 - k;
-#ifdef Pack_32
- if (k < Ebits)
- {
- d0 = Exp_1 | y >> (Ebits - k);
- w = xa > xa0 ? *--xa : 0;
-#ifndef _DOUBLE_IS_32BITS
- d1 = y << ((32 - Ebits) + k) | w >> (Ebits - k);
-#endif
- goto ret_d;
- }
- z = xa > xa0 ? *--xa : 0;
- if (k -= Ebits)
- {
- d0 = Exp_1 | y << k | z >> (32 - k);
- y = xa > xa0 ? *--xa : 0;
-#ifndef _DOUBLE_IS_32BITS
- d1 = z << k | y >> (32 - k);
-#endif
- }
- else
- {
- d0 = Exp_1 | y;
-#ifndef _DOUBLE_IS_32BITS
- d1 = z;
-#endif
- }
-#else
- if (k < Ebits + 16)
- {
- z = xa > xa0 ? *--xa : 0;
- d0 = Exp_1 | y << k - Ebits | z >> Ebits + 16 - k;
- w = xa > xa0 ? *--xa : 0;
- y = xa > xa0 ? *--xa : 0;
- d1 = z << k + 16 - Ebits | w << k - Ebits | y >> 16 + Ebits - k;
- goto ret_d;
- }
- z = xa > xa0 ? *--xa : 0;
- w = xa > xa0 ? *--xa : 0;
- k -= Ebits + 16;
- d0 = Exp_1 | y << k + 16 | z << k | w >> 16 - k;
- y = xa > xa0 ? *--xa : 0;
- d1 = w << k + 16 | y << k;
-#endif
-ret_d:
-#ifdef VAX
- word0 (d) = d0 >> 16 | d0 << 16;
- word1 (d) = d1 >> 16 | d1 << 16;
-#else
-#undef d0
-#undef d1
-#endif
- return d.d;
-}
-
-_Bigint *
-_DEFUN (d2b,
- (ptr, _d, e, bits),
- struct _reent * ptr _AND
- double _d _AND
- int *e _AND
- int *bits)
-
-{
- union double_union d;
- _Bigint *b;
- int de, i, k;
- __ULong *x, y, z;
-#ifdef VAX
- __ULong d0, d1;
-#endif
- d.d = _d;
-#ifdef VAX
- d0 = word0 (d) >> 16 | word0 (d) << 16;
- d1 = word1 (d) >> 16 | word1 (d) << 16;
-#else
-#define d0 word0(d)
-#define d1 word1(d)
- d.d = _d;
-#endif
-
-#ifdef Pack_32
- b = Balloc (ptr, 1);
-#else
- b = Balloc (ptr, 2);
-#endif
- x = b->_x;
-
- z = d0 & Frac_mask;
- d0 &= 0x7fffffff; /* clear sign bit, which we ignore */
-#ifdef Sudden_Underflow
- de = (int) (d0 >> Exp_shift);
-#ifndef IBM
- z |= Exp_msk11;
-#endif
-#else
- if ((de = (int) (d0 >> Exp_shift)) != 0)
- z |= Exp_msk1;
-#endif
-#ifdef Pack_32
-#ifndef _DOUBLE_IS_32BITS
- if (d1)
- {
- y = d1;
- k = lo0bits (&y);
- if (k)
- {
- x[0] = y | z << (32 - k);
- z >>= k;
- }
- else
- x[0] = y;
- i = b->_wds = (x[1] = z) ? 2 : 1;
- }
- else
-#endif
- {
-#ifdef DEBUG
- if (!z)
- Bug ("Zero passed to d2b");
-#endif
- k = lo0bits (&z);
- x[0] = z;
- i = b->_wds = 1;
-#ifndef _DOUBLE_IS_32BITS
- k += 32;
-#endif
- }
-#else
- if (d1)
- {
- y = d1;
- k = lo0bits (&y);
- if (k)
- if (k >= 16)
- {
- x[0] = y | z << 32 - k & 0xffff;
- x[1] = z >> k - 16 & 0xffff;
- x[2] = z >> k;
- i = 2;
- }
- else
- {
- x[0] = y & 0xffff;
- x[1] = y >> 16 | z << 16 - k & 0xffff;
- x[2] = z >> k & 0xffff;
- x[3] = z >> k + 16;
- i = 3;
- }
- else
- {
- x[0] = y & 0xffff;
- x[1] = y >> 16;
- x[2] = z & 0xffff;
- x[3] = z >> 16;
- i = 3;
- }
- }
- else
- {
-#ifdef DEBUG
- if (!z)
- Bug ("Zero passed to d2b");
-#endif
- k = lo0bits (&z);
- if (k >= 16)
- {
- x[0] = z;
- i = 0;
- }
- else
- {
- x[0] = z & 0xffff;
- x[1] = z >> 16;
- i = 1;
- }
- k += 32;
- }
- while (!x[i])
- --i;
- b->_wds = i + 1;
-#endif
-#ifndef Sudden_Underflow
- if (de)
- {
-#endif
-#ifdef IBM
- *e = (de - Bias - (P - 1) << 2) + k;
- *bits = 4 * P + 8 - k - hi0bits (word0 (d) & Frac_mask);
-#else
- *e = de - Bias - (P - 1) + k;
- *bits = P - k;
-#endif
-#ifndef Sudden_Underflow
- }
- else
- {
- *e = de - Bias - (P - 1) + 1 + k;
-#ifdef Pack_32
- *bits = 32 * i - hi0bits (x[i - 1]);
-#else
- *bits = (i + 2) * 16 - hi0bits (x[i]);
-#endif
- }
-#endif
- return b;
-}
-#undef d0
-#undef d1
-
-double
-_DEFUN (ratio, (a, b), _Bigint * a _AND _Bigint * b)
-
-{
- union double_union da, db;
- int k, ka, kb;
-
- da.d = b2d (a, &ka);
- db.d = b2d (b, &kb);
-#ifdef Pack_32
- k = ka - kb + 32 * (a->_wds - b->_wds);
-#else
- k = ka - kb + 16 * (a->_wds - b->_wds);
-#endif
-#ifdef IBM
- if (k > 0)
- {
- word0 (da) += (k >> 2) * Exp_msk1;
- if (k &= 3)
- da.d *= 1 << k;
- }
- else
- {
- k = -k;
- word0 (db) += (k >> 2) * Exp_msk1;
- if (k &= 3)
- db.d *= 1 << k;
- }
-#else
- if (k > 0)
- word0 (da) += k * Exp_msk1;
- else
- {
- k = -k;
- word0 (db) += k * Exp_msk1;
- }
-#endif
- return da.d / db.d;
-}
-
-
-_CONST double
- tens[] =
-{
- 1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9,
- 1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19,
- 1e20, 1e21, 1e22, 1e23, 1e24
-
-};
-
-#if !defined(_DOUBLE_IS_32BITS) && !defined(__v800)
-_CONST double bigtens[] =
-{1e16, 1e32, 1e64, 1e128, 1e256};
-
-_CONST double tinytens[] =
-{1e-16, 1e-32, 1e-64, 1e-128, 1e-256};
-#else
-_CONST double bigtens[] =
-{1e16, 1e32};
-
-_CONST double tinytens[] =
-{1e-16, 1e-32};
-#endif
-
-
-double
-_DEFUN (_mprec_log10, (dig),
- int dig)
-{
- double v = 1.0;
- if (dig < 24)
- return tens[dig];
- while (dig > 0)
- {
- v *= 10;
- dig--;
- }
- return v;
-}
diff --git a/libjava/classpath/native/fdlibm/mprec.h b/libjava/classpath/native/fdlibm/mprec.h
deleted file mode 100644
index 1139b72..0000000
--- a/libjava/classpath/native/fdlibm/mprec.h
+++ /dev/null
@@ -1,387 +0,0 @@
-/****************************************************************
- *
- * The author of this software is David M. Gay.
- *
- * Copyright (c) 1991, 2000 by AT&T.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose without fee is hereby granted, provided that this entire notice
- * is included in all copies of any software which is or includes a copy
- * or modification of this software and in all copies of the supporting
- * documentation for such software.
- *
- * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTY. IN PARTICULAR, NEITHER THE AUTHOR NOR AT&T MAKES ANY
- * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
- * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
- *
- ***************************************************************/
-
-/* Please send bug reports to
- David M. Gay
- AT&T Bell Laboratories, Room 2C-463
- 600 Mountain Avenue
- Murray Hill, NJ 07974-2070
- U.S.A.
- dmg@research.att.com or research!dmg
- */
-
-#ifndef __CLASSPATH_MPREC_H__
-#define __CLASSPATH_MPREC_H__
-
-#include <config.h>
-#include "config-int.h"
-#include "ieeefp.h"
-/* CLASSPATH LOCAL */
-#include "namespace.h"
-
-#if defined HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-
-#if defined HAVE_SYS_CONFIG_H
-#include <sys/config.h>
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
- /* These typedefs are true for the targets running Java. */
-
-#ifdef __IEEE_LITTLE_ENDIAN
-#define IEEE_8087
-#endif
-
-#ifdef __IEEE_BIG_ENDIAN
-#define IEEE_MC68k
-#endif
-
-#ifdef __Z8000__
-#define Just_16
-#endif
-
-#ifdef DEBUG
-#include "stdio.h"
-#include <stdlib.h>
-#define Bug(x) {fprintf(stderr, "%s\n", x); exit(1);}
-#endif
-
-
-#ifdef Unsigned_Shifts
-#define Sign_Extend(a,b) if (b < 0) a |= (uint32_t)0xffff0000;
-#else
-#define Sign_Extend(a,b) /*no-op*/
-#endif
-
-#if defined(IEEE_8087) + defined(IEEE_MC68k) + defined(VAX) + defined(IBM) != 1
-Exactly one of IEEE_8087, IEEE_MC68k, VAX, or IBM should be defined.
-#endif
-
-/* If we are going to examine or modify specific bits in a double using
- the word0 and/or word1 macros, then we must wrap the double inside
- a union. This is necessary to avoid undefined behavior according to
- the ANSI C spec. */
-union double_union
-{
- double d;
- uint32_t i[2];
-};
-
-#ifdef IEEE_8087
-#define word0(x) (x.i[1])
-#define word1(x) (x.i[0])
-#else
-#define word0(x) (x.i[0])
-#define word1(x) (x.i[1])
-#endif
-
-/* The following definition of Storeinc is appropriate for MIPS processors.
- * An alternative that might be better on some machines is
- * #define Storeinc(a,b,c) (*a++ = b << 16 | c & 0xffff)
- */
-#if defined(__IEEE_BYTES_LITTLE_ENDIAN) + defined(IEEE_8087) + defined(VAX)
-#define Storeinc(a,b,c) (((unsigned short *)a)[1] = (unsigned short)b, \
-((unsigned short *)a)[0] = (unsigned short)c, a++)
-#else
-#define Storeinc(a,b,c) (((unsigned short *)a)[0] = (unsigned short)b, \
-((unsigned short *)a)[1] = (unsigned short)c, a++)
-#endif
-
-/* #define P DBL_MANT_DIG */
-/* Ten_pmax = floor(P*log(2)/log(5)) */
-/* Bletch = (highest power of 2 < DBL_MAX_10_EXP) / 16 */
-/* Quick_max = floor((P-1)*log(FLT_RADIX)/log(10) - 1) */
-/* Int_max = floor(P*log(FLT_RADIX)/log(10) - 1) */
-
-#if defined(IEEE_8087) + defined(IEEE_MC68k)
-#if defined (_DOUBLE_IS_32BITS)
-#define Exp_shift 23
-#define Exp_shift1 23
-#define Exp_msk1 ((uint32_t)0x00800000L)
-#define Exp_msk11 ((uint32_t)0x00800000L)
-#define Exp_mask ((uint32_t)0x7f800000L)
-#define P 24
-#define Bias 127
-#if 0
-#define IEEE_Arith /* it is, but the code doesn't handle IEEE singles yet */
-#endif
-#define Emin (-126)
-#define Exp_1 ((uint32_t)0x3f800000L)
-#define Exp_11 ((uint32_t)0x3f800000L)
-#define Ebits 8
-#define Frac_mask ((uint32_t)0x007fffffL)
-#define Frac_mask1 ((uint32_t)0x007fffffL)
-#define Ten_pmax 10
-#define Sign_bit ((uint32_t)0x80000000L)
-#define Ten_pmax 10
-#define Bletch 2
-#define Bndry_mask ((uint32_t)0x007fffffL)
-#define Bndry_mask1 ((uint32_t)0x007fffffL)
-#define LSB 1
-#define Sign_bit ((uint32_t)0x80000000L)
-#define Log2P 1
-#define Tiny0 0
-#define Tiny1 1
-#define Quick_max 5
-#define Int_max 6
-#define Infinite(x) (word0(x) == ((uint32_t)0x7f800000L))
-#undef word0
-#undef word1
-
-#define word0(x) (x.i[0])
-#define word1(x) 0
-#else
-
-#define Exp_shift 20
-#define Exp_shift1 20
-#define Exp_msk1 ((uint32_t)0x100000L)
-#define Exp_msk11 ((uint32_t)0x100000L)
-#define Exp_mask ((uint32_t)0x7ff00000L)
-#define P 53
-#define Bias 1023
-#define IEEE_Arith
-#define Emin (-1022)
-#define Exp_1 ((uint32_t)0x3ff00000L)
-#define Exp_11 ((uint32_t)0x3ff00000L)
-#define Ebits 11
-#define Frac_mask ((uint32_t)0xfffffL)
-#define Frac_mask1 ((uint32_t)0xfffffL)
-#define Ten_pmax 22
-#define Bletch 0x10
-#define Bndry_mask ((uint32_t)0xfffffL)
-#define Bndry_mask1 ((uint32_t)0xfffffL)
-#define LSB 1
-#define Sign_bit ((uint32_t)0x80000000L)
-#define Log2P 1
-#define Tiny0 0
-#define Tiny1 1
-#define Quick_max 14
-#define Int_max 14
-#define Infinite(x) (word0(x) == ((uint32_t)0x7ff00000L)) /* sufficient test for here */
-#endif
-
-#else
-#undef Sudden_Underflow
-#define Sudden_Underflow
-#ifdef IBM
-#define Exp_shift 24
-#define Exp_shift1 24
-#define Exp_msk1 ((uint32_t)0x1000000L)
-#define Exp_msk11 ((uint32_t)0x1000000L)
-#define Exp_mask ((uint32_t)0x7f000000L)
-#define P 14
-#define Bias 65
-#define Exp_1 ((uint32_t)0x41000000L)
-#define Exp_11 ((uint32_t)0x41000000L)
-#define Ebits 8 /* exponent has 7 bits, but 8 is the right value in b2d */
-#define Frac_mask ((uint32_t)0xffffffL)
-#define Frac_mask1 ((uint32_t)0xffffffL)
-#define Bletch 4
-#define Ten_pmax 22
-#define Bndry_mask ((uint32_t)0xefffffL)
-#define Bndry_mask1 ((uint32_t)0xffffffL)
-#define LSB 1
-#define Sign_bit ((uint32_t)0x80000000L)
-#define Log2P 4
-#define Tiny0 ((uint32_t)0x100000L)
-#define Tiny1 0
-#define Quick_max 14
-#define Int_max 15
-#else /* VAX */
-#define Exp_shift 23
-#define Exp_shift1 7
-#define Exp_msk1 0x80
-#define Exp_msk11 ((uint32_t)0x800000L)
-#define Exp_mask ((uint32_t)0x7f80L)
-#define P 56
-#define Bias 129
-#define Exp_1 ((uint32_t)0x40800000L)
-#define Exp_11 ((uint32_t)0x4080L)
-#define Ebits 8
-#define Frac_mask ((uint32_t)0x7fffffL)
-#define Frac_mask1 ((uint32_t)0xffff007fL)
-#define Ten_pmax 24
-#define Bletch 2
-#define Bndry_mask ((uint32_t)0xffff007fL)
-#define Bndry_mask1 ((uint32_t)0xffff007fL)
-#define LSB ((uint32_t)0x10000L)
-#define Sign_bit ((uint32_t)0x8000L)
-#define Log2P 1
-#define Tiny0 0x80
-#define Tiny1 0
-#define Quick_max 15
-#define Int_max 15
-#endif
-#endif
-
-#ifndef IEEE_Arith
-#define ROUND_BIASED
-#endif
-
-#ifdef RND_PRODQUOT
-#define rounded_product(a,b) a = rnd_prod(a, b)
-#define rounded_quotient(a,b) a = rnd_quot(a, b)
-#ifdef KR_headers
-extern double rnd_prod(), rnd_quot();
-#else
-extern double rnd_prod(double, double), rnd_quot(double, double);
-#endif
-#else
-#define rounded_product(a,b) a *= b
-#define rounded_quotient(a,b) a /= b
-#endif
-
-#define Big0 (Frac_mask1 | Exp_msk1*(DBL_MAX_EXP+Bias-1))
-#define Big1 ((uint32_t)0xffffffffL)
-
-#ifndef Just_16
-/* When Pack_32 is not defined, we store 16 bits per 32-bit long.
- * This makes some inner loops simpler and sometimes saves work
- * during multiplications, but it often seems to make things slightly
- * slower. Hence the default is now to store 32 bits per long.
- */
-
-#ifndef Pack_32
-#if SIZEOF_VOID_P != 8
-#define Pack_32
-#endif
-#endif
-#endif
-
-
-#define MAX_BIGNUMS 16
-#ifdef Pack_32
-#define MAX_BIGNUM_WDS 32
-#else
- /* Note that this is a workaround for */
-#define MAX_BIGNUM_WDS 128
-#endif
-
-struct _Jv_Bigint
-{
- struct _Jv_Bigint *_next;
- int _k, _maxwds, _sign, _wds;
- unsigned long _x[1];
-};
-
-
-#define _PTR void *
-#define _AND ,
-#define _NOARGS void
-#define _CONST const
-#define _VOLATILE volatile
-#define _SIGNED signed
-#define _DOTS , ...
-#define _VOID void
-#ifndef _EXFUN
-#define _EXFUN(name, proto) name proto
-#endif /* !EXFUN */
-#define _DEFUN(name, arglist, args) name(args)
-#define _DEFUN_VOID(name) name(_NOARGS)
-#define _CAST_VOID (void)
-
-
-struct _Jv_reent
-{
- /* local copy of errno */
- int _errno;
-
- /* used by mprec routines */
- struct _Jv_Bigint *_result;
- int _result_k;
- struct _Jv_Bigint *_p5s;
-
- struct _Jv_Bigint **_freelist;
- int _max_k;
-};
-
-
-typedef struct _Jv_Bigint _Jv_Bigint;
-
-#define Balloc _Jv_Balloc
-#define Bfree _Jv_Bfree
-#define multadd _Jv_multadd
-#define s2b _Jv_s2b
-#define lo0bits _Jv_lo0bits
-#define hi0bits _Jv_hi0bits
-#define i2b _Jv_i2b
-#define mult _Jv_mult
-#define pow5mult _Jv_pow5mult
-#define lshift _Jv_lshift
-#define cmp _Jv__mcmp
-#define diff _Jv__mdiff
-#define ulp _Jv_ulp
-#define b2d _Jv_b2d
-#define d2b _Jv_d2b
-#define ratio _Jv_ratio
-
-#define tens _Jv__mprec_tens
-#define bigtens _Jv__mprec_bigtens
-#define tinytens _Jv__mprec_tinytens
-
-#define _dtoa _Jv_dtoa
-#define _dtoa_r _Jv_dtoa_r
-#define _strtod_r _Jv_strtod_r
-
-extern double _EXFUN(_strtod_r, (struct _Jv_reent *ptr, const char *s00, char **se));
-extern char* _EXFUN(_dtoa_r, (struct _Jv_reent *ptr, double d,
- int mode, int ndigits, int *decpt, int *sign,
- char **rve, int float_type));
-void _EXFUN(_dtoa, (double d, int mode, int ndigits, int *decpt, int *sign,
- char **rve, char *buf, int float_type));
-
-double _EXFUN(ulp,(double x));
-double _EXFUN(b2d,(_Jv_Bigint *a , int *e));
-_Jv_Bigint * _EXFUN(Balloc,(struct _Jv_reent *p, int k));
-void _EXFUN(Bfree,(struct _Jv_reent *p, _Jv_Bigint *v));
-_Jv_Bigint * _EXFUN(multadd,(struct _Jv_reent *p, _Jv_Bigint *, int, int));
-_Jv_Bigint * _EXFUN(s2b,(struct _Jv_reent *, const char*, int, int, unsigned long));
-_Jv_Bigint * _EXFUN(i2b,(struct _Jv_reent *,int));
-_Jv_Bigint * _EXFUN(mult, (struct _Jv_reent *, _Jv_Bigint *, _Jv_Bigint *));
-_Jv_Bigint * _EXFUN(pow5mult, (struct _Jv_reent *, _Jv_Bigint *, int k));
-int _EXFUN(hi0bits,(unsigned long));
-int _EXFUN(lo0bits,(unsigned long *));
-_Jv_Bigint * _EXFUN(d2b,(struct _Jv_reent *p, double d, int *e, int *bits));
-_Jv_Bigint * _EXFUN(lshift,(struct _Jv_reent *p, _Jv_Bigint *b, int k));
-_Jv_Bigint * _EXFUN(diff,(struct _Jv_reent *p, _Jv_Bigint *a, _Jv_Bigint *b));
-int _EXFUN(cmp,(_Jv_Bigint *a, _Jv_Bigint *b));
-
-double _EXFUN(ratio,(_Jv_Bigint *a, _Jv_Bigint *b));
-#define Bcopy(x,y) memcpy((char *)&x->_sign, (char *)&y->_sign, y->_wds*sizeof(long) + 2*sizeof(int))
-
-#if defined(_DOUBLE_IS_32BITS) && defined(__v800)
-#define n_bigtens 2
-#else
-#define n_bigtens 5
-#endif
-
-extern _CONST double tinytens[];
-extern _CONST double bigtens[];
-extern _CONST double tens[];
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __CLASSPATH_MPREC_H__ */
diff --git a/libjava/classpath/native/fdlibm/namespace.h b/libjava/classpath/native/fdlibm/namespace.h
deleted file mode 100644
index 02da970..0000000
--- a/libjava/classpath/native/fdlibm/namespace.h
+++ /dev/null
@@ -1,3 +0,0 @@
-/* GCJ LOCAL We don't use the renaming here, so this file is empty for us.
- * Warning ! This is a generated file. Use build_mathnamespace to regenerate it
- */
diff --git a/libjava/classpath/native/fdlibm/s_atan.c b/libjava/classpath/native/fdlibm/s_atan.c
deleted file mode 100644
index 764c72e..0000000
--- a/libjava/classpath/native/fdlibm/s_atan.c
+++ /dev/null
@@ -1,140 +0,0 @@
-
-/* @(#)s_atan.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- *
- */
-
-/* atan(x)
- * Method
- * 1. Reduce x to positive by atan(x) = -atan(-x).
- * 2. According to the integer k=4t+0.25 chopped, t=x, the argument
- * is further reduced to one of the following intervals and the
- * arctangent of t is evaluated by the corresponding formula:
- *
- * [0,7/16] atan(x) = t-t^3*(a1+t^2*(a2+...(a10+t^2*a11)...)
- * [7/16,11/16] atan(x) = atan(1/2) + atan( (t-0.5)/(1+t/2) )
- * [11/16.19/16] atan(x) = atan( 1 ) + atan( (t-1)/(1+t) )
- * [19/16,39/16] atan(x) = atan(3/2) + atan( (t-1.5)/(1+1.5t) )
- * [39/16,INF] atan(x) = atan(INF) + atan( -1/t )
- *
- * Constants:
- * The hexadecimal values are the intended ones for the following
- * constants. The decimal values may be used, provided that the
- * compiler will convert from decimal to binary accurately enough
- * to produce the hexadecimal values shown.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double atanhi[] = {
-#else
-static double atanhi[] = {
-#endif
- 4.63647609000806093515e-01, /* atan(0.5)hi 0x3FDDAC67, 0x0561BB4F */
- 7.85398163397448278999e-01, /* atan(1.0)hi 0x3FE921FB, 0x54442D18 */
- 9.82793723247329054082e-01, /* atan(1.5)hi 0x3FEF730B, 0xD281F69B */
- 1.57079632679489655800e+00, /* atan(inf)hi 0x3FF921FB, 0x54442D18 */
-};
-
-#ifdef __STDC__
-static const double atanlo[] = {
-#else
-static double atanlo[] = {
-#endif
- 2.26987774529616870924e-17, /* atan(0.5)lo 0x3C7A2B7F, 0x222F65E2 */
- 3.06161699786838301793e-17, /* atan(1.0)lo 0x3C81A626, 0x33145C07 */
- 1.39033110312309984516e-17, /* atan(1.5)lo 0x3C700788, 0x7AF0CBBD */
- 6.12323399573676603587e-17, /* atan(inf)lo 0x3C91A626, 0x33145C07 */
-};
-
-#ifdef __STDC__
-static const double aT[] = {
-#else
-static double aT[] = {
-#endif
- 3.33333333333329318027e-01, /* 0x3FD55555, 0x5555550D */
- -1.99999999998764832476e-01, /* 0xBFC99999, 0x9998EBC4 */
- 1.42857142725034663711e-01, /* 0x3FC24924, 0x920083FF */
- -1.11111104054623557880e-01, /* 0xBFBC71C6, 0xFE231671 */
- 9.09088713343650656196e-02, /* 0x3FB745CD, 0xC54C206E */
- -7.69187620504482999495e-02, /* 0xBFB3B0F2, 0xAF749A6D */
- 6.66107313738753120669e-02, /* 0x3FB10D66, 0xA0D03D51 */
- -5.83357013379057348645e-02, /* 0xBFADDE2D, 0x52DEFD9A */
- 4.97687799461593236017e-02, /* 0x3FA97B4B, 0x24760DEB */
- -3.65315727442169155270e-02, /* 0xBFA2B444, 0x2C6A6C2F */
- 1.62858201153657823623e-02, /* 0x3F90AD3A, 0xE322DA11 */
-};
-
-#ifdef __STDC__
- static const double
-#else
- static double
-#endif
-one = 1.0,
-huge = 1.0e300;
-
-#ifdef __STDC__
- double atan(double x)
-#else
- double atan(x)
- double x;
-#endif
-{
- double w,s1,s2,z;
- int32_t ix,hx,id;
-
- GET_HIGH_WORD(hx,x);
- ix = hx&0x7fffffff;
- if(ix>=0x44100000) { /* if |x| >= 2^66 */
- uint32_t low;
-
- GET_LOW_WORD(low,x);
- if(ix>0x7ff00000||
- (ix==0x7ff00000&&(low!=0)))
- return x+x; /* NaN */
- if(hx>0) return atanhi[3]+atanlo[3];
- else return -atanhi[3]-atanlo[3];
- } if (ix < 0x3fdc0000) { /* |x| < 0.4375 */
- if (ix < 0x3e200000) { /* |x| < 2^-29 */
- if(huge+x>one) return x; /* raise inexact */
- }
- id = -1;
- } else {
- x = fabs(x);
- if (ix < 0x3ff30000) { /* |x| < 1.1875 */
- if (ix < 0x3fe60000) { /* 7/16 <=|x|<11/16 */
- id = 0; x = (2.0*x-one)/(2.0+x);
- } else { /* 11/16<=|x|< 19/16 */
- id = 1; x = (x-one)/(x+one);
- }
- } else {
- if (ix < 0x40038000) { /* |x| < 2.4375 */
- id = 2; x = (x-1.5)/(one+1.5*x);
- } else { /* 2.4375 <= |x| < 2^66 */
- id = 3; x = -1.0/x;
- }
- }}
- /* end of argument reduction */
- z = x*x;
- w = z*z;
- /* break sum from i=0 to 10 aT[i]z**(i+1) into odd and even poly */
- s1 = z*(aT[0]+w*(aT[2]+w*(aT[4]+w*(aT[6]+w*(aT[8]+w*aT[10])))));
- s2 = w*(aT[1]+w*(aT[3]+w*(aT[5]+w*(aT[7]+w*aT[9]))));
- if (id<0) return x - x*(s1+s2);
- else {
- z = atanhi[id] - ((x*(s1+s2) - atanlo[id]) - x);
- return (hx<0)? -z:z;
- }
-}
-#endif /* _DOUBLE_IS_32BITS */
diff --git a/libjava/classpath/native/fdlibm/s_cbrt.c b/libjava/classpath/native/fdlibm/s_cbrt.c
deleted file mode 100644
index 344b0a6..0000000
--- a/libjava/classpath/native/fdlibm/s_cbrt.c
+++ /dev/null
@@ -1,96 +0,0 @@
-
-/* @(#)s_cbrt.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- *
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-/* cbrt(x)
- * Return cube root of x
- */
-#ifdef __STDC__
-static const uint32_t
-#else
-static uint32_t
-#endif
- B1 = 715094163, /* B1 = (682-0.03306235651)*2**20 */
- B2 = 696219795; /* B2 = (664-0.03306235651)*2**20 */
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-C = 5.42857142857142815906e-01, /* 19/35 = 0x3FE15F15, 0xF15F15F1 */
-D = -7.05306122448979611050e-01, /* -864/1225 = 0xBFE691DE, 0x2532C834 */
-E = 1.41428571428571436819e+00, /* 99/70 = 0x3FF6A0EA, 0x0EA0EA0F */
-F = 1.60714285714285720630e+00, /* 45/28 = 0x3FF9B6DB, 0x6DB6DB6E */
-G = 3.57142857142857150787e-01; /* 5/14 = 0x3FD6DB6D, 0xB6DB6DB7 */
-
-#ifdef __STDC__
- double cbrt(double x)
-#else
- double cbrt(x)
- double x;
-#endif
-{
- int32_t hx, lx, ht;
- double r,s,t=0.0,w;
- uint32_t sign;
-
-
- GET_HIGH_WORD(hx,x); /* high word of x */
- sign=hx&0x80000000; /* sign= sign(x) */
- hx ^=sign;
- if(hx>=0x7ff00000) return(x+x); /* cbrt(NaN,INF) is itself */
- GET_LOW_WORD(lx, x);
- if((hx|lx)==0)
- return(x); /* cbrt(0) is itself */
-
- SET_HIGH_WORD(x,hx); /* x <- |x| */
- /* rough cbrt to 5 bits */
- if(hx<0x00100000) /* subnormal number */
- {
- SET_HIGH_WORD(t,0x43500000); /* set t= 2**54 */
- t*=x;
- GET_HIGH_WORD(ht,t);
- SET_HIGH_WORD(t,ht/3+B2);
- }
- else
- SET_HIGH_WORD(t,hx/3+B1);
-
-
- /* new cbrt to 23 bits, may be implemented in single precision */
- r=t*t/x;
- s=C+r*t;
- t*=G+F/(s+E+D/s);
-
- /* chopped to 20 bits and make it larger than cbrt(x) */
- SET_LOW_WORD(t,0);
- GET_HIGH_WORD(ht,t);
- SET_HIGH_WORD(t,ht + 0x00000001);
-
- /* one step newton iteration to 53 bits with error less than 0.667 ulps */
- s=t*t; /* t*t is exact */
- r=x/s;
- w=t+t;
- r=(r-t)/(w+r); /* r-s is exact */
- t=t+t*r;
-
- /* retore the sign bit */
- GET_HIGH_WORD(ht,t);
- SET_HIGH_WORD(t,ht|sign);
- return(t);
-}
-#endif /* _DOUBLE_IS_32BITS */
diff --git a/libjava/classpath/native/fdlibm/s_ceil.c b/libjava/classpath/native/fdlibm/s_ceil.c
deleted file mode 100644
index 7415b0d..0000000
--- a/libjava/classpath/native/fdlibm/s_ceil.c
+++ /dev/null
@@ -1,80 +0,0 @@
-
-/* @(#)s_ceil.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * ceil(x)
- * Return x rounded toward -inf to integral value
- * Method:
- * Bit twiddling.
- * Exception:
- * Inexact flag raised if x not equal to ceil(x).
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double huge = 1.0e300;
-#else
-static double huge = 1.0e300;
-#endif
-
-#ifdef __STDC__
- double ceil(double x)
-#else
- double ceil(x)
- double x;
-#endif
-{
- int32_t i0,i1,j0;
- uint32_t i,j;
- EXTRACT_WORDS(i0,i1,x);
- j0 = ((i0>>20)&0x7ff)-0x3ff;
- if(j0<20) {
- if(j0<0) { /* raise inexact if x != 0 */
- if(huge+x>0.0) {/* return 0*sign(x) if |x|<1 */
- if(i0<0) {i0=0x80000000;i1=0;}
- else if((i0|i1)!=0) { i0=0x3ff00000;i1=0;}
- }
- } else {
- i = (0x000fffff)>>j0;
- if(((i0&i)|i1)==0) return x; /* x is integral */
- if(huge+x>0.0) { /* raise inexact flag */
- if(i0>0) i0 += (0x00100000)>>j0;
- i0 &= (~i); i1=0;
- }
- }
- } else if (j0>51) {
- if(j0==0x400) return x+x; /* inf or NaN */
- else return x; /* x is integral */
- } else {
- i = ((uint32_t)(0xffffffff))>>(j0-20);
- if((i1&i)==0) return x; /* x is integral */
- if(huge+x>0.0) { /* raise inexact flag */
- if(i0>0) {
- if(j0==20) i0+=1;
- else {
- j = i1 + (1<<(52-j0));
- if(j<i1) i0+=1; /* got a carry */
- i1 = j;
- }
- }
- i1 &= (~i);
- }
- }
- INSERT_WORDS(x,i0,i1);
- return x;
-}
-
-#endif
diff --git a/libjava/classpath/native/fdlibm/s_copysign.c b/libjava/classpath/native/fdlibm/s_copysign.c
deleted file mode 100644
index 38a9f6f..0000000
--- a/libjava/classpath/native/fdlibm/s_copysign.c
+++ /dev/null
@@ -1,37 +0,0 @@
-
-/* @(#)s_copysign.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * copysign(double x, double y)
- * copysign(x,y) returns a value with the magnitude of x and
- * with the sign bit of y.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
- double copysign(double x, double y)
-#else
- double copysign(x,y)
- double x,y;
-#endif
-{
- uint32_t hx, hy;
- GET_HIGH_WORD(hx, x);
- GET_HIGH_WORD(hy, y);
- SET_HIGH_WORD(x, (hx&0x7fffffff)|(hy&0x80000000));
- return x;
-}
-#endif /* _DOUBLE_IS_32BITS */
diff --git a/libjava/classpath/native/fdlibm/s_cos.c b/libjava/classpath/native/fdlibm/s_cos.c
deleted file mode 100644
index e1adbc5..0000000
--- a/libjava/classpath/native/fdlibm/s_cos.c
+++ /dev/null
@@ -1,81 +0,0 @@
-
-/* @(#)s_cos.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* cos(x)
- * Return cosine function of x.
- *
- * kernel function:
- * __kernel_sin ... sine function on [-pi/4,pi/4]
- * __kernel_cos ... cosine function on [-pi/4,pi/4]
- * __ieee754_rem_pio2 ... argument reduction routine
- *
- * Method.
- * Let S,C and T denote the sin, cos and tan respectively on
- * [-PI/4, +PI/4]. Reduce the argument x to y1+y2 = x-k*pi/2
- * in [-pi/4 , +pi/4], and let n = k mod 4.
- * We have
- *
- * n sin(x) cos(x) tan(x)
- * ----------------------------------------------------------
- * 0 S C T
- * 1 C -S -1/T
- * 2 -S -C T
- * 3 -C S -1/T
- * ----------------------------------------------------------
- *
- * Special cases:
- * Let trig be any of sin, cos, or tan.
- * trig(+-INF) is NaN, with signals;
- * trig(NaN) is that NaN;
- *
- * Accuracy:
- * TRIG(x) returns trig(x) nearly rounded
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
- double cos(double x)
-#else
- double cos(x)
- double x;
-#endif
-{
- double y[2],z=0.0;
- int32_t n, ix;
-
- /* High word of x. */
- GET_HIGH_WORD(ix,x);
-
- /* |x| ~< pi/4 */
- ix &= 0x7fffffff;
- if(ix <= 0x3fe921fb) return __kernel_cos(x,z);
-
- /* cos(Inf or NaN) is NaN */
- else if (ix>=0x7ff00000) return x-x;
-
- /* argument reduction needed */
- else {
- n = __ieee754_rem_pio2(x,y);
- switch(n&3) {
- case 0: return __kernel_cos(y[0],y[1]);
- case 1: return -__kernel_sin(y[0],y[1],1);
- case 2: return -__kernel_cos(y[0],y[1]);
- default:
- return __kernel_sin(y[0],y[1],1);
- }
- }
-}
-#endif /* _DOUBLE_IS_32BITS */
diff --git a/libjava/classpath/native/fdlibm/s_expm1.c b/libjava/classpath/native/fdlibm/s_expm1.c
deleted file mode 100644
index c84e0b0..0000000
--- a/libjava/classpath/native/fdlibm/s_expm1.c
+++ /dev/null
@@ -1,229 +0,0 @@
-
-/* @(#)s_expm1.c 1.5 04/04/22 */
-/*
- * ====================================================
- * Copyright (C) 2004 by Sun Microsystems, Inc. All rights reserved.
- *
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* expm1(x)
- * Returns exp(x)-1, the exponential of x minus 1.
- *
- * Method
- * 1. Argument reduction:
- * Given x, find r and integer k such that
- *
- * x = k*ln2 + r, |r| <= 0.5*ln2 ~ 0.34658
- *
- * Here a correction term c will be computed to compensate
- * the error in r when rounded to a floating-point number.
- *
- * 2. Approximating expm1(r) by a special rational function on
- * the interval [0,0.34658]:
- * Since
- * r*(exp(r)+1)/(exp(r)-1) = 2+ r^2/6 - r^4/360 + ...
- * we define R1(r*r) by
- * r*(exp(r)+1)/(exp(r)-1) = 2+ r^2/6 * R1(r*r)
- * That is,
- * R1(r**2) = 6/r *((exp(r)+1)/(exp(r)-1) - 2/r)
- * = 6/r * ( 1 + 2.0*(1/(exp(r)-1) - 1/r))
- * = 1 - r^2/60 + r^4/2520 - r^6/100800 + ...
- * We use a special Remes algorithm on [0,0.347] to generate
- * a polynomial of degree 5 in r*r to approximate R1. The
- * maximum error of this polynomial approximation is bounded
- * by 2**-61. In other words,
- * R1(z) ~ 1.0 + Q1*z + Q2*z**2 + Q3*z**3 + Q4*z**4 + Q5*z**5
- * where Q1 = -1.6666666666666567384E-2,
- * Q2 = 3.9682539681370365873E-4,
- * Q3 = -9.9206344733435987357E-6,
- * Q4 = 2.5051361420808517002E-7,
- * Q5 = -6.2843505682382617102E-9;
- * (where z=r*r, and the values of Q1 to Q5 are listed below)
- * with error bounded by
- * | 5 | -61
- * | 1.0+Q1*z+...+Q5*z - R1(z) | <= 2
- * | |
- *
- * expm1(r) = exp(r)-1 is then computed by the following
- * specific way which minimize the accumulation rounding error:
- * 2 3
- * r r [ 3 - (R1 + R1*r/2) ]
- * expm1(r) = r + --- + --- * [--------------------]
- * 2 2 [ 6 - r*(3 - R1*r/2) ]
- *
- * To compensate the error in the argument reduction, we use
- * expm1(r+c) = expm1(r) + c + expm1(r)*c
- * ~ expm1(r) + c + r*c
- * Thus c+r*c will be added in as the correction terms for
- * expm1(r+c). Now rearrange the term to avoid optimization
- * screw up:
- * ( 2 2 )
- * ({ ( r [ R1 - (3 - R1*r/2) ] ) } r )
- * expm1(r+c)~r - ({r*(--- * [--------------------]-c)-c} - --- )
- * ({ ( 2 [ 6 - r*(3 - R1*r/2) ] ) } 2 )
- * ( )
- *
- * = r - E
- * 3. Scale back to obtain expm1(x):
- * From step 1, we have
- * expm1(x) = either 2^k*[expm1(r)+1] - 1
- * = or 2^k*[expm1(r) + (1-2^-k)]
- * 4. Implementation notes:
- * (A). To save one multiplication, we scale the coefficient Qi
- * to Qi*2^i, and replace z by (x^2)/2.
- * (B). To achieve maximum accuracy, we compute expm1(x) by
- * (i) if x < -56*ln2, return -1.0, (raise inexact if x!=inf)
- * (ii) if k=0, return r-E
- * (iii) if k=-1, return 0.5*(r-E)-0.5
- * (iv) if k=1 if r < -0.25, return 2*((r+0.5)- E)
- * else return 1.0+2.0*(r-E);
- * (v) if (k<-2||k>56) return 2^k(1-(E-r)) - 1 (or exp(x)-1)
- * (vi) if k <= 20, return 2^k((1-2^-k)-(E-r)), else
- * (vii) return 2^k(1-((E+2^-k)-r))
- *
- * Special cases:
- * expm1(INF) is INF, expm1(NaN) is NaN;
- * expm1(-INF) is -1, and
- * for finite argument, only expm1(0)=0 is exact.
- *
- * Accuracy:
- * according to an error analysis, the error is always less than
- * 1 ulp (unit in the last place).
- *
- * Misc. info.
- * For IEEE double
- * if x > 7.09782712893383973096e+02 then expm1(x) overflow
- *
- * Constants:
- * The hexadecimal values are the intended ones for the following
- * constants. The decimal values may be used, provided that the
- * compiler will convert from decimal to binary accurately enough
- * to produce the hexadecimal values shown.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-one = 1.0,
-huge = 1.0e+300,
-tiny = 1.0e-300,
-o_threshold = 7.09782712893383973096e+02,/* 0x40862E42, 0xFEFA39EF */
-ln2_hi = 6.93147180369123816490e-01,/* 0x3fe62e42, 0xfee00000 */
-ln2_lo = 1.90821492927058770002e-10,/* 0x3dea39ef, 0x35793c76 */
-invln2 = 1.44269504088896338700e+00,/* 0x3ff71547, 0x652b82fe */
- /* scaled coefficients related to expm1 */
-Q1 = -3.33333333333331316428e-02, /* BFA11111 111110F4 */
-Q2 = 1.58730158725481460165e-03, /* 3F5A01A0 19FE5585 */
-Q3 = -7.93650757867487942473e-05, /* BF14CE19 9EAADBB7 */
-Q4 = 4.00821782732936239552e-06, /* 3ED0CFCA 86E65239 */
-Q5 = -2.01099218183624371326e-07; /* BE8AFDB7 6E09C32D */
-
-#ifdef __STDC__
- double expm1(double x)
-#else
- double expm1(x)
- double x;
-#endif
-{
- double y,hi,lo,c,t,e,hxs,hfx,r1;
- int32_t k,xsb;
- uint32_t hx;
-
- GET_HIGH_WORD(hx,x); /* high word of x */
- xsb = hx&0x80000000; /* sign bit of x */
- if(xsb==0) y=x; else y= -x; /* y = |x| */
- hx &= 0x7fffffff; /* high word of |x| */
-
- /* filter out huge and non-finite argument */
- if(hx >= 0x4043687A) { /* if |x|>=56*ln2 */
- if(hx >= 0x40862E42) { /* if |x|>=709.78... */
- if(hx>=0x7ff00000) {
- uint32_t low;
- GET_LOW_WORD(low,x);
- if(((hx&0xfffff)|low)!=0)
- return x+x; /* NaN */
- else return (xsb==0)? x:-1.0;/* exp(+-inf)={inf,-1} */
- }
- if(x > o_threshold) return huge*huge; /* overflow */
- }
- if(xsb!=0) { /* x < -56*ln2, return -1.0 with inexact */
- if(x+tiny<0.0) /* raise inexact */
- return tiny-one; /* return -1 */
- }
- }
-
- /* argument reduction */
- if(hx > 0x3fd62e42) { /* if |x| > 0.5 ln2 */
- if(hx < 0x3FF0A2B2) { /* and |x| < 1.5 ln2 */
- if(xsb==0)
- {hi = x - ln2_hi; lo = ln2_lo; k = 1;}
- else
- {hi = x + ln2_hi; lo = -ln2_lo; k = -1;}
- } else {
- k = invln2*x+((xsb==0)?0.5:-0.5);
- t = k;
- hi = x - t*ln2_hi; /* t*ln2_hi is exact here */
- lo = t*ln2_lo;
- }
- x = hi - lo;
- c = (hi-x)-lo;
- }
- else if(hx < 0x3c900000) { /* when |x|<2**-54, return x */
- t = huge+x; /* return x with inexact flags when x!=0 */
- return x - (t-(huge+x));
- }
- else k = 0;
-
- /* x is now in primary range */
- hfx = 0.5*x;
- hxs = x*hfx;
- r1 = one+hxs*(Q1+hxs*(Q2+hxs*(Q3+hxs*(Q4+hxs*Q5))));
- t = 3.0-r1*hfx;
- e = hxs*((r1-t)/(6.0 - x*t));
- if(k==0) return x - (x*e-hxs); /* c is 0 */
- else {
- e = (x*(e-c)-c);
- e -= hxs;
- if(k== -1) return 0.5*(x-e)-0.5;
- if(k==1)
- if(x < -0.25) return -2.0*(e-(x+0.5));
- else return one+2.0*(x-e);
- if (k <= -2 || k>56) { /* suffice to return exp(x)-1 */
- uint32_t hy;
-
- y = one-(e-x);
- GET_HIGH_WORD(hy,y);
- SET_HIGH_WORD(y, hy + (k<<20)); /* add k to y's exponent */
- return y-one;
- }
- t = one;
- if(k<20) {
- uint32_t hy;
-
- SET_HIGH_WORD(t, 0x3ff00000 - (0x200000>>k)); /* t=1-2^-k */
- y = t-(e-x);
- GET_HIGH_WORD(hy, y);
- SET_HIGH_WORD(y, hy + (k<<20)); /* add k to y's exponent */
- } else {
- uint32_t hy;
-
- SET_HIGH_WORD(t, (0x3ff-k)<<20); /* 2^-k */
- y = x-(e+t);
- y += one;
- GET_HIGH_WORD(hy, y);
- SET_HIGH_WORD(y, hy + (k<<20)); /* add k to y's exponent */
- }
- }
- return y;
-}
-#endif /* _DOUBLE_IS_32BITS */
diff --git a/libjava/classpath/native/fdlibm/s_fabs.c b/libjava/classpath/native/fdlibm/s_fabs.c
deleted file mode 100644
index 510c5a8..0000000
--- a/libjava/classpath/native/fdlibm/s_fabs.c
+++ /dev/null
@@ -1,36 +0,0 @@
-
-/* @(#)s_fabs.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * fabs(x) returns the absolute value of x.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
- double fabs(double x)
-#else
- double fabs(x)
- double x;
-#endif
-{
- uint32_t hx;
-
- GET_HIGH_WORD(hx,x);
- SET_HIGH_WORD(x, hx & 0x7fffffff);
- return x;
-}
-
-#endif /* _DOUBLE_IS_32BITS */
diff --git a/libjava/classpath/native/fdlibm/s_finite.c b/libjava/classpath/native/fdlibm/s_finite.c
deleted file mode 100644
index e35b776..0000000
--- a/libjava/classpath/native/fdlibm/s_finite.c
+++ /dev/null
@@ -1,31 +0,0 @@
-
-/* @(#)s_finite.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * finite(x) returns 1 is x is finite, else 0;
- * no branching!
- */
-
-#include "fdlibm.h"
-
-#ifdef __STDC__
- int finite(double x)
-#else
- int finite(x)
- double x;
-#endif
-{
- uint32_t hx;
- GET_HIGH_WORD(hx,x);
- return (unsigned)((hx&0x7fffffff)-0x7ff00000)>>31;
-}
diff --git a/libjava/classpath/native/fdlibm/s_floor.c b/libjava/classpath/native/fdlibm/s_floor.c
deleted file mode 100644
index 3dd8fff..0000000
--- a/libjava/classpath/native/fdlibm/s_floor.c
+++ /dev/null
@@ -1,80 +0,0 @@
-
-/* @(#)s_floor.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * floor(x)
- * Return x rounded toward -inf to integral value
- * Method:
- * Bit twiddling.
- * Exception:
- * Inexact flag raised if x not equal to floor(x).
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double huge = 1.0e300;
-#else
-static double huge = 1.0e300;
-#endif
-
-#ifdef __STDC__
- double floor(double x)
-#else
- double floor(x)
- double x;
-#endif
-{
- int32_t i0,i1,j0;
- uint32_t i,j;
- EXTRACT_WORDS(i0,i1,x);
- j0 = ((i0>>20)&0x7ff)-0x3ff;
- if(j0<20) {
- if(j0<0) { /* raise inexact if x != 0 */
- if(huge+x>0.0) {/* return 0*sign(x) if |x|<1 */
- if(i0>=0) {i0=i1=0;}
- else if(((i0&0x7fffffff)|i1)!=0)
- { i0=0xbff00000;i1=0;}
- }
- } else {
- i = (0x000fffff)>>j0;
- if(((i0&i)|i1)==0) return x; /* x is integral */
- if(huge+x>0.0) { /* raise inexact flag */
- if(i0<0) i0 += (0x00100000)>>j0;
- i0 &= (~i); i1=0;
- }
- }
- } else if (j0>51) {
- if(j0==0x400) return x+x; /* inf or NaN */
- else return x; /* x is integral */
- } else {
- i = ((uint32_t)(0xffffffff))>>(j0-20);
- if((i1&i)==0) return x; /* x is integral */
- if(huge+x>0.0) { /* raise inexact flag */
- if(i0<0) {
- if(j0==20) i0+=1;
- else {
- j = i1+(1<<(52-j0));
- if(j<(uint32_t)i1) i0 +=1 ; /* got a carry */
- i1=j;
- }
- }
- i1 &= (~i);
- }
- }
- INSERT_WORDS(x,i0,i1);
- return x;
-}
-#endif /* _DOUBLE_IS_32BITS */
diff --git a/libjava/classpath/native/fdlibm/s_log1p.c b/libjava/classpath/native/fdlibm/s_log1p.c
deleted file mode 100644
index 3b42ef5..0000000
--- a/libjava/classpath/native/fdlibm/s_log1p.c
+++ /dev/null
@@ -1,168 +0,0 @@
-
-/* @(#)s_log1p.c 1.4 96/03/07 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* double log1p(double x)
- *
- * Method :
- * 1. Argument Reduction: find k and f such that
- * 1+x = 2^k * (1+f),
- * where sqrt(2)/2 < 1+f < sqrt(2) .
- *
- * Note. If k=0, then f=x is exact. However, if k!=0, then f
- * may not be representable exactly. In that case, a correction
- * term is need. Let u=1+x rounded. Let c = (1+x)-u, then
- * log(1+x) - log(u) ~ c/u. Thus, we proceed to compute log(u),
- * and add back the correction term c/u.
- * (Note: when x > 2**53, one can simply return log(x))
- *
- * 2. Approximation of log1p(f).
- * Let s = f/(2+f) ; based on log(1+f) = log(1+s) - log(1-s)
- * = 2s + 2/3 s**3 + 2/5 s**5 + .....,
- * = 2s + s*R
- * We use a special Remes algorithm on [0,0.1716] to generate
- * a polynomial of degree 14 to approximate R The maximum error
- * of this polynomial approximation is bounded by 2**-58.45. In
- * other words,
- * 2 4 6 8 10 12 14
- * R(z) ~ Lp1*s +Lp2*s +Lp3*s +Lp4*s +Lp5*s +Lp6*s +Lp7*s
- * (the values of Lp1 to Lp7 are listed in the program)
- * and
- * | 2 14 | -58.45
- * | Lp1*s +...+Lp7*s - R(z) | <= 2
- * | |
- * Note that 2s = f - s*f = f - hfsq + s*hfsq, where hfsq = f*f/2.
- * In order to guarantee error in log below 1ulp, we compute log
- * by
- * log1p(f) = f - (hfsq - s*(hfsq+R)).
- *
- * 3. Finally, log1p(x) = k*ln2 + log1p(f).
- * = k*ln2_hi+(f-(hfsq-(s*(hfsq+R)+k*ln2_lo)))
- * Here ln2 is split into two floating point number:
- * ln2_hi + ln2_lo,
- * where n*ln2_hi is always exact for |n| < 2000.
- *
- * Special cases:
- * log1p(x) is NaN with signal if x < -1 (including -INF) ;
- * log1p(+INF) is +INF; log1p(-1) is -INF with signal;
- * log1p(NaN) is that NaN with no signal.
- *
- * Accuracy:
- * according to an error analysis, the error is always less than
- * 1 ulp (unit in the last place).
- *
- * Constants:
- * The hexadecimal values are the intended ones for the following
- * constants. The decimal values may be used, provided that the
- * compiler will convert from decimal to binary accurately enough
- * to produce the hexadecimal values shown.
- *
- * Note: Assuming log() return accurate answer, the following
- * algorithm can be used to compute log1p(x) to within a few ULP:
- *
- * u = 1+x;
- * if(u==1.0) return x ; else
- * return log(u)*(x/(u-1.0));
- *
- * See HP-15C Advanced Functions Handbook, p.193.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-ln2_hi = 6.93147180369123816490e-01, /* 3fe62e42 fee00000 */
-ln2_lo = 1.90821492927058770002e-10, /* 3dea39ef 35793c76 */
-two54 = 1.80143985094819840000e+16, /* 43500000 00000000 */
-Lp1 = 6.666666666666735130e-01, /* 3FE55555 55555593 */
-Lp2 = 3.999999999940941908e-01, /* 3FD99999 9997FA04 */
-Lp3 = 2.857142874366239149e-01, /* 3FD24924 94229359 */
-Lp4 = 2.222219843214978396e-01, /* 3FCC71C5 1D8E78AF */
-Lp5 = 1.818357216161805012e-01, /* 3FC74664 96CB03DE */
-Lp6 = 1.531383769920937332e-01, /* 3FC39A09 D078C69F */
-Lp7 = 1.479819860511658591e-01; /* 3FC2F112 DF3E5244 */
-
-static double zero = 0.0;
-
-#ifdef __STDC__
- double log1p(double x)
-#else
- double log1p(x)
- double x;
-#endif
-{
- double hfsq,f,c,s,z,R,u;
- int32_t k,hx,hu,ax;
-
- GET_HIGH_WORD(hx,x); /* high word of x */
- ax = hx&0x7fffffff;
-
- k = 1;
- if (hx < 0x3FDA827A) { /* x < 0.41422 */
- if(ax>=0x3ff00000) { /* x <= -1.0 */
- if(x==-1.0) return -two54/zero; /* log1p(-1)=+inf */
- else return (x-x)/(x-x); /* log1p(x<-1)=NaN */
- }
- if(ax<0x3e200000) { /* |x| < 2**-29 */
- if(two54+x>zero /* raise inexact */
- &&ax<0x3c900000) /* |x| < 2**-54 */
- return x;
- else
- return x - x*x*0.5;
- }
- if(hx>0||hx<=((int)0xbfd2bec3)) {
- k=0;f=x;hu=1;} /* -0.2929<x<0.41422 */
- }
- if (hx >= 0x7ff00000) return x+x;
- if(k!=0) {
- if(hx<0x43400000) {
- u = 1.0+x;
- GET_HIGH_WORD(hu,u); /* high word of u */
- k = (hu>>20)-1023;
- c = (k>0)? 1.0-(u-x):x-(u-1.0);/* correction term */
- c /= u;
- } else {
- u = x;
- GET_HIGH_WORD(hu,u); /* high word of u */
- k = (hu>>20)-1023;
- c = 0;
- }
- hu &= 0x000fffff;
- if(hu<0x6a09e) {
- SET_HIGH_WORD(u, hu|0x3ff00000); /* normalize u */
- } else {
- k += 1;
- SET_HIGH_WORD(u, hu|0x3fe00000); /* normalize u/2 */
- hu = (0x00100000-hu)>>2;
- }
- f = u-1.0;
- }
- hfsq=0.5*f*f;
- if(hu==0) { /* |f| < 2**-20 */
- if(f==zero) if(k==0) return zero;
- else {c += k*ln2_lo; return k*ln2_hi+c;}
- R = hfsq*(1.0-0.66666666666666666*f);
- if(k==0) return f-R; else
- return k*ln2_hi-((R-(k*ln2_lo+c))-f);
- }
- s = f/(2.0+f);
- z = s*s;
- R = z*(Lp1+z*(Lp2+z*(Lp3+z*(Lp4+z*(Lp5+z*(Lp6+z*Lp7))))));
- if(k==0) return f-(hfsq-s*(hfsq+R)); else
- return k*ln2_hi-((hfsq-(s*(hfsq+R)+(k*ln2_lo+c)))-f);
-}
-#endif /* _DOUBLE_IS_32BITS */
diff --git a/libjava/classpath/native/fdlibm/s_rint.c b/libjava/classpath/native/fdlibm/s_rint.c
deleted file mode 100644
index fcd3916..0000000
--- a/libjava/classpath/native/fdlibm/s_rint.c
+++ /dev/null
@@ -1,86 +0,0 @@
-
-/* @(#)s_rint.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * rint(x)
- * Return x rounded to integral value according to the prevailing
- * rounding mode.
- * Method:
- * Using floating addition.
- * Exception:
- * Inexact flag raised if x not equal to rint(x).
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-TWO52[2]={
- 4.50359962737049600000e+15, /* 0x43300000, 0x00000000 */
- -4.50359962737049600000e+15, /* 0xC3300000, 0x00000000 */
-};
-
-#ifdef __STDC__
- double rint(double x)
-#else
- double rint(x)
- double x;
-#endif
-{
- int32_t i0,j0,sx;
- uint32_t i,i1;
- double t;
- volatile double w;
- EXTRACT_WORDS(i0,i1,x);
- sx = (i0>>31)&1;
- j0 = ((i0>>20)&0x7ff)-0x3ff;
- if(j0<20) {
- if(j0<0) {
- if(((i0&0x7fffffff)|i1)==0) return x;
- i1 |= (i0&0x0fffff);
- i0 &= 0xfffe0000;
- i0 |= ((i1|-i1)>>12)&0x80000;
- SET_HIGH_WORD(x,i0);
- w = TWO52[sx]+x;
- t = w-TWO52[sx];
- GET_HIGH_WORD(i0,t);
- SET_HIGH_WORD(t,(i0&0x7fffffff)|(sx<<31));
- return t;
- } else {
- i = (0x000fffff)>>j0;
- if(((i0&i)|i1)==0) return x; /* x is integral */
- i>>=1;
- if(((i0&i)|i1)!=0) {
- if(j0==19) i1 = 0x40000000; else
- i0 = (i0&(~i))|((0x20000)>>j0);
- }
- }
- } else if (j0>51) {
- if(j0==0x400) return x+x; /* inf or NaN */
- else return x; /* x is integral */
- } else {
- i = ((uint32_t)(0xffffffff))>>(j0-20);
- if((i1&i)==0) return x; /* x is integral */
- i>>=1;
- if((i1&i)!=0) i1 = (i1&(~i))|((0x40000000)>>(j0-20));
- }
- INSERT_WORDS(x,i0,i1);
- w = TWO52[sx]+x;
- return w-TWO52[sx];
-}
-#endif /* _DOUBLE_IS_32BITS */
diff --git a/libjava/classpath/native/fdlibm/s_scalbn.c b/libjava/classpath/native/fdlibm/s_scalbn.c
deleted file mode 100644
index b146488..0000000
--- a/libjava/classpath/native/fdlibm/s_scalbn.c
+++ /dev/null
@@ -1,65 +0,0 @@
-
-/* @(#)s_scalbn.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * scalbn (double x, int n)
- * scalbn(x,n) returns x* 2**n computed by exponent
- * manipulation rather than by actually performing an
- * exponentiation or a multiplication.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-two54 = 1.80143985094819840000e+16, /* 0x43500000, 0x00000000 */
-twom54 = 5.55111512312578270212e-17, /* 0x3C900000, 0x00000000 */
-huge = 1.0e+300,
-tiny = 1.0e-300;
-
-#ifdef __STDC__
- double scalbn (double x, int n)
-#else
- double scalbn (x,n)
- double x; int n;
-#endif
-{
- int32_t k,hx,lx;
- EXTRACT_WORDS(hx,lx,x);
- k = (hx&0x7ff00000)>>20; /* extract exponent */
- if (k==0) { /* 0 or subnormal x */
- if ((lx|(hx&0x7fffffff))==0) return x; /* +-0 */
- x *= two54;
- GET_HIGH_WORD(hx,x);
- k = ((hx&0x7ff00000)>>20) - 54;
- if (n< -50000) return tiny*x; /*underflow*/
- }
- if (k==0x7ff) return x+x; /* NaN or Inf */
- k = k+n;
- if (k > 0x7fe) return huge*copysign(huge,x); /* overflow */
- if (k > 0) /* normal result */
- {SET_HIGH_WORD(x,(hx&0x800fffff)|(k<<20)); return x;}
- if (k <= -54)
- if (n > 50000) /* in case integer overflow in n+k */
- return huge*copysign(huge,x); /*overflow*/
- else return tiny*copysign(tiny,x); /*underflow*/
- k += 54; /* subnormal result */
- SET_HIGH_WORD(x,(hx&0x800fffff)|(k<<20));
- return x*twom54;
-}
-#endif /* _DOUBLE_IS_32BITS */
diff --git a/libjava/classpath/native/fdlibm/s_sin.c b/libjava/classpath/native/fdlibm/s_sin.c
deleted file mode 100644
index b5d2648..0000000
--- a/libjava/classpath/native/fdlibm/s_sin.c
+++ /dev/null
@@ -1,81 +0,0 @@
-
-/* @(#)s_sin.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* sin(x)
- * Return sine function of x.
- *
- * kernel function:
- * __kernel_sin ... sine function on [-pi/4,pi/4]
- * __kernel_cos ... cose function on [-pi/4,pi/4]
- * __ieee754_rem_pio2 ... argument reduction routine
- *
- * Method.
- * Let S,C and T denote the sin, cos and tan respectively on
- * [-PI/4, +PI/4]. Reduce the argument x to y1+y2 = x-k*pi/2
- * in [-pi/4 , +pi/4], and let n = k mod 4.
- * We have
- *
- * n sin(x) cos(x) tan(x)
- * ----------------------------------------------------------
- * 0 S C T
- * 1 C -S -1/T
- * 2 -S -C T
- * 3 -C S -1/T
- * ----------------------------------------------------------
- *
- * Special cases:
- * Let trig be any of sin, cos, or tan.
- * trig(+-INF) is NaN, with signals;
- * trig(NaN) is that NaN;
- *
- * Accuracy:
- * TRIG(x) returns trig(x) nearly rounded
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
- double sin(double x)
-#else
- double sin(x)
- double x;
-#endif
-{
- double y[2],z=0.0;
- int32_t n, ix;
-
- /* High word of x. */
- GET_HIGH_WORD(ix,x);
-
- /* |x| ~< pi/4 */
- ix &= 0x7fffffff;
- if(ix <= 0x3fe921fb) return __kernel_sin(x,z,0);
-
- /* sin(Inf or NaN) is NaN */
- else if (ix>=0x7ff00000) return x-x;
-
- /* argument reduction needed */
- else {
- n = __ieee754_rem_pio2(x,y);
- switch(n&3) {
- case 0: return __kernel_sin(y[0],y[1],1);
- case 1: return __kernel_cos(y[0],y[1]);
- case 2: return -__kernel_sin(y[0],y[1],1);
- default:
- return -__kernel_cos(y[0],y[1]);
- }
- }
-}
-#endif /* _DOUBLE_IS_32BITS */
diff --git a/libjava/classpath/native/fdlibm/s_tan.c b/libjava/classpath/native/fdlibm/s_tan.c
deleted file mode 100644
index 55cdd33..0000000
--- a/libjava/classpath/native/fdlibm/s_tan.c
+++ /dev/null
@@ -1,75 +0,0 @@
-
-/* @(#)s_tan.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* tan(x)
- * Return tangent function of x.
- *
- * kernel function:
- * __kernel_tan ... tangent function on [-pi/4,pi/4]
- * __ieee754_rem_pio2 ... argument reduction routine
- *
- * Method.
- * Let S,C and T denote the sin, cos and tan respectively on
- * [-PI/4, +PI/4]. Reduce the argument x to y1+y2 = x-k*pi/2
- * in [-pi/4 , +pi/4], and let n = k mod 4.
- * We have
- *
- * n sin(x) cos(x) tan(x)
- * ----------------------------------------------------------
- * 0 S C T
- * 1 C -S -1/T
- * 2 -S -C T
- * 3 -C S -1/T
- * ----------------------------------------------------------
- *
- * Special cases:
- * Let trig be any of sin, cos, or tan.
- * trig(+-INF) is NaN, with signals;
- * trig(NaN) is that NaN;
- *
- * Accuracy:
- * TRIG(x) returns trig(x) nearly rounded
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
- double tan(double x)
-#else
- double tan(x)
- double x;
-#endif
-{
- double y[2],z=0.0;
- int32_t n, ix;
-
- /* High word of x. */
- GET_HIGH_WORD(ix,x);
-
- /* |x| ~< pi/4 */
- ix &= 0x7fffffff;
- if(ix <= 0x3fe921fb) return __kernel_tan(x,z,1);
-
- /* tan(Inf or NaN) is NaN */
- else if (ix>=0x7ff00000) return x-x; /* NaN */
-
- /* argument reduction needed */
- else {
- n = __ieee754_rem_pio2(x,y);
- return __kernel_tan(y[0],y[1],1-((n&1)<<1)); /* 1 -- n even
- -1 -- n odd */
- }
-}
-#endif /* _DOUBLE_IS_32BITS */
diff --git a/libjava/classpath/native/fdlibm/s_tanh.c b/libjava/classpath/native/fdlibm/s_tanh.c
deleted file mode 100644
index bf4a715..0000000
--- a/libjava/classpath/native/fdlibm/s_tanh.c
+++ /dev/null
@@ -1,85 +0,0 @@
-
-/* @(#)s_tanh.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/* Tanh(x)
- * Return the Hyperbolic Tangent of x
- *
- * Method :
- * x -x
- * e - e
- * 0. tanh(x) is defined to be -----------
- * x -x
- * e + e
- * 1. reduce x to non-negative by tanh(-x) = -tanh(x).
- * 2. 0 <= x <= 2**-55 : tanh(x) := x*(one+x)
- * -t
- * 2**-55 < x <= 1 : tanh(x) := -----; t = expm1(-2x)
- * t + 2
- * 2
- * 1 <= x <= 22.0 : tanh(x) := 1- ----- ; t=expm1(2x)
- * t + 2
- * 22.0 < x <= INF : tanh(x) := 1.
- *
- * Special cases:
- * tanh(NaN) is NaN;
- * only tanh(0)=0 is exact for finite argument.
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double one=1.0, two=2.0, tiny = 1.0e-300;
-#else
-static double one=1.0, two=2.0, tiny = 1.0e-300;
-#endif
-
-#ifdef __STDC__
- double tanh(double x)
-#else
- double tanh(x)
- double x;
-#endif
-{
- double t,z;
- int32_t jx,ix;
-
- /* High word of |x|. */
- GET_HIGH_WORD(jx,x);
- ix = jx&0x7fffffff;
-
- /* x is INF or NaN */
- if(ix>=0x7ff00000) {
- if (jx>=0) return one/x+one; /* tanh(+-inf)=+-1 */
- else return one/x-one; /* tanh(NaN) = NaN */
- }
-
- /* |x| < 22 */
- if (ix < 0x40360000) { /* |x|<22 */
- if (ix<0x3c800000) /* |x|<2**-55 */
- return x*(one+x); /* tanh(small) = small */
- if (ix>=0x3ff00000) { /* |x|>=1 */
- t = expm1(two*fabs(x));
- z = one - two/(t+two);
- } else {
- t = expm1(-two*fabs(x));
- z= -t/(t+two);
- }
- /* |x| > 22, return +-1 */
- } else {
- z = one - tiny; /* raised inexact flag */
- }
- return (jx>=0)? z: -z;
-}
-#endif /* _DOUBLE_IS_32BITS */
diff --git a/libjava/classpath/native/fdlibm/sf_fabs.c b/libjava/classpath/native/fdlibm/sf_fabs.c
deleted file mode 100644
index 34f88af..0000000
--- a/libjava/classpath/native/fdlibm/sf_fabs.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/* sf_fabs.c -- float version of s_fabs.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
-
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * fabsf(x) returns the absolute value of x.
- */
-
-#include "fdlibm.h"
-
-#ifdef __STDC__
- float fabsf(float x)
-#else
- float fabsf(x)
- float x;
-#endif
-{
- uint32_t ix;
- GET_FLOAT_WORD(ix,x);
- SET_FLOAT_WORD(x,ix&0x7fffffff);
- return x;
-}
-
-#ifdef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
- double fabs(double x)
-#else
- double fabs(x)
- double x;
-#endif
-{
- return (double) fabsf((float) x);
-}
-
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/sf_rint.c b/libjava/classpath/native/fdlibm/sf_rint.c
deleted file mode 100644
index f442072..0000000
--- a/libjava/classpath/native/fdlibm/sf_rint.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/* sf_rint.c -- float version of s_rint.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
-
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-#include "fdlibm.h"
-
-#ifdef __STDC__
-static const float
-#else
-static float
-#endif
-TWO23[2]={
- 8.3886080000e+06, /* 0x4b000000 */
- -8.3886080000e+06, /* 0xcb000000 */
-};
-
-#ifdef __STDC__
- float rintf(float x)
-#else
- float rintf(x)
- float x;
-#endif
-{
- int32_t i0,j0,sx;
- uint32_t i,i1;
- float w,t;
- GET_FLOAT_WORD(i0,x);
- sx = (i0>>31)&1;
- j0 = ((i0>>23)&0xff)-0x7f;
- if(j0<23) {
- if(j0<0) {
- if((i0&0x7fffffff)==0) return x;
- i1 = (i0&0x07fffff);
- i0 &= 0xfff00000;
- i0 |= ((i1|-i1)>>9)&0x400000;
- SET_FLOAT_WORD(x,i0);
- w = TWO23[sx]+x;
- t = w-TWO23[sx];
- GET_FLOAT_WORD(i0,t);
- SET_FLOAT_WORD(t,(i0&0x7fffffff)|(sx<<31));
- return t;
- } else {
- i = (0x007fffff)>>j0;
- if((i0&i)==0) return x; /* x is integral */
- i>>=1;
- if((i0&i)!=0) i0 = (i0&(~i))|((0x100000)>>j0);
- }
- } else {
- if(j0==0x80) return x+x; /* inf or NaN */
- else return x; /* x is integral */
- }
- SET_FLOAT_WORD(x,i0);
- w = TWO23[sx]+x;
- return w-TWO23[sx];
-}
-
-#ifdef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
- double rint(double x)
-#else
- double rint(x)
- double x;
-#endif
-{
- return (double) rintf((float) x);
-}
-
-#endif /* defined(_DOUBLE_IS_32BITS) */
diff --git a/libjava/classpath/native/fdlibm/strtod.c b/libjava/classpath/native/fdlibm/strtod.c
deleted file mode 100644
index b3e0912..0000000
--- a/libjava/classpath/native/fdlibm/strtod.c
+++ /dev/null
@@ -1,719 +0,0 @@
-/*
-FUNCTION
- <<strtod>>, <<strtodf>>---string to double or float
-
-INDEX
- strtod
-INDEX
- _strtod_r
-INDEX
- strtodf
-
-ANSI_SYNOPSIS
- #include <stdlib.h>
- double strtod(const char *<[str]>, char **<[tail]>);
- float strtodf(const char *<[str]>, char **<[tail]>);
-
- double _strtod_r(void *<[reent]>,
- const char *<[str]>, char **<[tail]>);
-
-TRAD_SYNOPSIS
- #include <stdlib.h>
- double strtod(<[str]>,<[tail]>)
- char *<[str]>;
- char **<[tail]>;
-
- float strtodf(<[str]>,<[tail]>)
- char *<[str]>;
- char **<[tail]>;
-
- double _strtod_r(<[reent]>,<[str]>,<[tail]>)
- char *<[reent]>;
- char *<[str]>;
- char **<[tail]>;
-
-DESCRIPTION
- The function <<strtod>> parses the character string <[str]>,
- producing a substring which can be converted to a double
- value. The substring converted is the longest initial
- subsequence of <[str]>, beginning with the first
- non-whitespace character, that has the format:
- .[+|-]<[digits]>[.][<[digits]>][(e|E)[+|-]<[digits]>]
- The substring contains no characters if <[str]> is empty, consists
- entirely of whitespace, or if the first non-whitespace
- character is something other than <<+>>, <<->>, <<.>>, or a
- digit. If the substring is empty, no conversion is done, and
- the value of <[str]> is stored in <<*<[tail]>>>. Otherwise,
- the substring is converted, and a pointer to the final string
- (which will contain at least the terminating null character of
- <[str]>) is stored in <<*<[tail]>>>. If you want no
- assignment to <<*<[tail]>>>, pass a null pointer as <[tail]>.
- <<strtodf>> is identical to <<strtod>> except for its return type.
-
- This implementation returns the nearest machine number to the
- input decimal string. Ties are broken by using the IEEE
- round-even rule.
-
- The alternate function <<_strtod_r>> is a reentrant version.
- The extra argument <[reent]> is a pointer to a reentrancy structure.
-
-RETURNS
- <<strtod>> returns the converted substring value, if any. If
- no conversion could be performed, 0 is returned. If the
- correct value is out of the range of representable values,
- plus or minus <<HUGE_VAL>> is returned, and <<ERANGE>> is
- stored in errno. If the correct value would cause underflow, 0
- is returned and <<ERANGE>> is stored in errno.
-
-Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>,
-<<lseek>>, <<read>>, <<sbrk>>, <<write>>.
-*/
-
-/****************************************************************
- *
- * The author of this software is David M. Gay.
- *
- * Copyright (c) 1991 by AT&T.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose without fee is hereby granted, provided that this entire notice
- * is included in all copies of any software which is or includes a copy
- * or modification of this software and in all copies of the supporting
- * documentation for such software.
- *
- * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTY. IN PARTICULAR, NEITHER THE AUTHOR NOR AT&T MAKES ANY
- * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
- * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
- *
- ***************************************************************/
-
-/* Please send bug reports to
- David M. Gay
- AT&T Bell Laboratories, Room 2C-463
- 600 Mountain Avenue
- Murray Hill, NJ 07974-2070
- U.S.A.
- dmg@research.att.com or research!dmg
- */
-
-#include <string.h>
-#include <float.h>
-#include <errno.h>
-#include "mprec.h"
-
-double
-_DEFUN (_strtod_r, (ptr, s00, se),
- struct _Jv_reent *ptr _AND
- _CONST char *s00 _AND
- char **se)
-{
- int bb2, bb5, bbe, bd2, bd5, bbbits, bs2, c, dsign, e1, esign, i, j,
- k, nd, nd0, nf, nz, nz0, sign;
- int digits = 0; /* Number of digits found in fraction part. */
- long e;
- _CONST char *s, *s0, *s1;
- double aadj, aadj1, adj;
- long L;
- unsigned long y, z;
- union double_union rv, rv0;
-
- _Jv_Bigint *bb = NULL, *bb1, *bd = NULL, *bd0, *bs = NULL, *delta = NULL;
- sign = nz0 = nz = 0;
- rv.d = 0.;
- for (s = s00;; s++)
- switch (*s)
- {
- case '-':
- sign = 1;
- /* no break */
- case '+':
- if (*++s)
- goto break2;
- /* no break */
- case 0:
- s = s00;
- goto ret;
- case '\t':
- case '\n':
- case '\v':
- case '\f':
- case '\r':
- case ' ':
- continue;
- default:
- goto break2;
- }
-break2:
- if (*s == '0')
- {
- digits++;
- nz0 = 1;
- while (*++s == '0')
- digits++;
- if (!*s)
- goto ret;
- }
- s0 = s;
- y = z = 0;
- for (nd = nf = 0; (c = *s) >= '0' && c <= '9'; nd++, s++)
- {
- digits++;
- if (nd < 9)
- y = 10 * y + c - '0';
- else if (nd < 16)
- z = 10 * z + c - '0';
- }
- nd0 = nd;
- if (c == '.')
- {
- c = *++s;
- if (!nd)
- {
- for (; c == '0'; c = *++s)
- {
- digits++;
- nz++;
- }
- if (c > '0' && c <= '9')
- {
- digits++;
- s0 = s;
- nf += nz;
- nz = 0;
- goto have_dig;
- }
- goto dig_done;
- }
- for (; c >= '0' && c <= '9'; c = *++s)
- {
- digits++;
- have_dig:
- nz++;
- if (c -= '0')
- {
- nf += nz;
- for (i = 1; i < nz; i++)
- if (nd++ < 9)
- y *= 10;
- else if (nd <= DBL_DIG + 1)
- z *= 10;
- if (nd++ < 9)
- y = 10 * y + c;
- else if (nd <= DBL_DIG + 1)
- z = 10 * z + c;
- nz = 0;
- }
- }
- }
-dig_done:
- e = 0;
- if (c == 'e' || c == 'E')
- {
- if (!nd && !nz && !nz0)
- {
- s = s00;
- goto ret;
- }
- s00 = s;
- esign = 0;
- switch (c = *++s)
- {
- case '-':
- esign = 1;
- case '+':
- c = *++s;
- }
- if (c >= '0' && c <= '9')
- {
- while (c == '0')
- c = *++s;
- if (c > '0' && c <= '9')
- {
- e = c - '0';
- s1 = s;
- while ((c = *++s) >= '0' && c <= '9')
- e = 10 * e + c - '0';
- if (s - s1 > 8)
- /* Avoid confusion from exponents
- * so large that e might overflow.
- */
- e = 9999999L;
- if (esign)
- e = -e;
- }
- }
- else
- {
- /* No exponent after an 'E' : that's an error. */
- ptr->_errno = EINVAL;
- e = 0;
- s = s00;
- goto ret;
- }
- }
- if (!nd)
- {
- if (!nz && !nz0)
- s = s00;
- goto ret;
- }
- e1 = e -= nf;
-
- /* Now we have nd0 digits, starting at s0, followed by a
- * decimal point, followed by nd-nd0 digits. The number we're
- * after is the integer represented by those digits times
- * 10**e */
-
- if (!nd0)
- nd0 = nd;
- k = nd < DBL_DIG + 1 ? nd : DBL_DIG + 1;
- rv.d = y;
- if (k > 9)
- rv.d = tens[k - 9] * rv.d + z;
- bd0 = 0;
- if (nd <= DBL_DIG
-#ifndef RND_PRODQUOT
- && FLT_ROUNDS == 1
-#endif
- )
- {
- if (!e)
- goto ret;
- if (e > 0)
- {
- if (e <= Ten_pmax)
- {
-#ifdef VAX
- goto vax_ovfl_check;
-#else
- /* rv.d = */ rounded_product (rv.d, tens[e]);
- goto ret;
-#endif
- }
- i = DBL_DIG - nd;
- if (e <= Ten_pmax + i)
- {
- /* A fancier test would sometimes let us do
- * this for larger i values.
- */
- e -= i;
- rv.d *= tens[i];
-#ifdef VAX
- /* VAX exponent range is so narrow we must
- * worry about overflow here...
- */
- vax_ovfl_check:
- word0 (rv) -= P * Exp_msk1;
- /* rv.d = */ rounded_product (rv.d, tens[e]);
- if ((word0 (rv) & Exp_mask)
- > Exp_msk1 * (DBL_MAX_EXP + Bias - 1 - P))
- goto ovfl;
- word0 (rv) += P * Exp_msk1;
-#else
- /* rv.d = */ rounded_product (rv.d, tens[e]);
-#endif
- goto ret;
- }
- }
-#ifndef Inaccurate_Divide
- else if (e >= -Ten_pmax)
- {
- /* rv.d = */ rounded_quotient (rv.d, tens[-e]);
- goto ret;
- }
-#endif
- }
- e1 += nd - k;
-
- /* Get starting approximation = rv.d * 10**e1 */
-
- if (e1 > 0)
- {
- if ((i = e1 & 15))
- rv.d *= tens[i];
-
- if (e1 &= ~15)
- {
- if (e1 > DBL_MAX_10_EXP)
- {
- ovfl:
- ptr->_errno = ERANGE;
-
- /* Force result to IEEE infinity. */
- word0 (rv) = Exp_mask;
- word1 (rv) = 0;
-
- if (bd0)
- goto retfree;
- goto ret;
- }
- if (e1 >>= 4)
- {
- for (j = 0; e1 > 1; j++, e1 >>= 1)
- if (e1 & 1)
- rv.d *= bigtens[j];
- /* The last multiplication could overflow. */
- word0 (rv) -= P * Exp_msk1;
- rv.d *= bigtens[j];
- if ((z = word0 (rv) & Exp_mask)
- > Exp_msk1 * (DBL_MAX_EXP + Bias - P))
- goto ovfl;
- if (z > Exp_msk1 * (DBL_MAX_EXP + Bias - 1 - P))
- {
- /* set to largest number */
- /* (Can't trust DBL_MAX) */
- word0 (rv) = Big0;
-#ifndef _DOUBLE_IS_32BITS
- word1 (rv) = Big1;
-#endif
- }
- else
- word0 (rv) += P * Exp_msk1;
- }
-
- }
- }
- else if (e1 < 0)
- {
- e1 = -e1;
- if ((i = e1 & 15))
- rv.d /= tens[i];
- if (e1 &= ~15)
- {
- e1 >>= 4;
- if (e1 >= 1 << n_bigtens)
- goto undfl;
- for (j = 0; e1 > 1; j++, e1 >>= 1)
- if (e1 & 1)
- rv.d *= tinytens[j];
- /* The last multiplication could underflow. */
- rv0.d = rv.d;
- rv.d *= tinytens[j];
- if (!rv.d)
- {
- rv.d = 2. * rv0.d;
- rv.d *= tinytens[j];
- if (!rv.d)
- {
- undfl:
- rv.d = 0.;
- ptr->_errno = ERANGE;
- if (bd0)
- goto retfree;
- goto ret;
- }
-#ifndef _DOUBLE_IS_32BITS
- word0 (rv) = Tiny0;
- word1 (rv) = Tiny1;
-#else
- word0 (rv) = Tiny1;
-#endif
- /* The refinement below will clean
- * this approximation up.
- */
- }
- }
- }
-
- /* Now the hard part -- adjusting rv to the correct value.*/
-
- /* Put digits into bd: true value = bd * 10^e */
-
- bd0 = s2b (ptr, s0, nd0, nd, y);
-
- for (;;)
- {
- bd = Balloc (ptr, bd0->_k);
- Bcopy (bd, bd0);
- bb = d2b (ptr, rv.d, &bbe, &bbbits); /* rv.d = bb * 2^bbe */
- bs = i2b (ptr, 1);
-
- if (e >= 0)
- {
- bb2 = bb5 = 0;
- bd2 = bd5 = e;
- }
- else
- {
- bb2 = bb5 = -e;
- bd2 = bd5 = 0;
- }
- if (bbe >= 0)
- bb2 += bbe;
- else
- bd2 -= bbe;
- bs2 = bb2;
-#ifdef Sudden_Underflow
-#ifdef IBM
- j = 1 + 4 * P - 3 - bbbits + ((bbe + bbbits - 1) & 3);
-#else
- j = P + 1 - bbbits;
-#endif
-#else
- i = bbe + bbbits - 1; /* logb(rv.d) */
- if (i < Emin) /* denormal */
- j = bbe + (P - Emin);
- else
- j = P + 1 - bbbits;
-#endif
- bb2 += j;
- bd2 += j;
- i = bb2 < bd2 ? bb2 : bd2;
- if (i > bs2)
- i = bs2;
- if (i > 0)
- {
- bb2 -= i;
- bd2 -= i;
- bs2 -= i;
- }
- if (bb5 > 0)
- {
- bs = pow5mult (ptr, bs, bb5);
- bb1 = mult (ptr, bs, bb);
- Bfree (ptr, bb);
- bb = bb1;
- }
- if (bb2 > 0)
- bb = lshift (ptr, bb, bb2);
- if (bd5 > 0)
- bd = pow5mult (ptr, bd, bd5);
- if (bd2 > 0)
- bd = lshift (ptr, bd, bd2);
- if (bs2 > 0)
- bs = lshift (ptr, bs, bs2);
- delta = diff (ptr, bb, bd);
- dsign = delta->_sign;
- delta->_sign = 0;
- i = cmp (delta, bs);
- if (i < 0)
- {
- /* Error is less than half an ulp -- check for
- * special case of mantissa a power of two.
- */
- if (dsign || word1 (rv) || word0 (rv) & Bndry_mask)
- break;
- delta = lshift (ptr, delta, Log2P);
- if (cmp (delta, bs) > 0)
- goto drop_down;
- break;
- }
- if (i == 0)
- {
- /* exactly half-way between */
- if (dsign)
- {
- if ((word0 (rv) & Bndry_mask1) == Bndry_mask1
- && word1 (rv) == 0xffffffff)
- {
- /*boundary case -- increment exponent*/
- word0 (rv) = (word0 (rv) & Exp_mask)
- + Exp_msk1
-#ifdef IBM
- | Exp_msk1 >> 4
-#endif
- ;
-#ifndef _DOUBLE_IS_32BITS
- word1 (rv) = 0;
-#endif
- break;
- }
- }
- else if (!(word0 (rv) & Bndry_mask) && !word1 (rv))
- {
- drop_down:
- /* boundary case -- decrement exponent */
-#ifdef Sudden_Underflow
- L = word0 (rv) & Exp_mask;
-#ifdef IBM
- if (L < Exp_msk1)
-#else
- if (L <= Exp_msk1)
-#endif
- goto undfl;
- L -= Exp_msk1;
-#else
- L = (word0 (rv) & Exp_mask) - Exp_msk1;
-#endif
- word0 (rv) = L | Bndry_mask1;
-#ifndef _DOUBLE_IS_32BITS
- word1 (rv) = 0xffffffff;
-#endif
-#ifdef IBM
- goto cont;
-#else
- break;
-#endif
- }
-#ifndef ROUND_BIASED
- if (!(word1 (rv) & LSB))
- break;
-#endif
- if (dsign)
- rv.d += ulp (rv.d);
-#ifndef ROUND_BIASED
- else
- {
- rv.d -= ulp (rv.d);
-#ifndef Sudden_Underflow
- if (!rv.d)
- goto undfl;
-#endif
- }
-#endif
- break;
- }
- if ((aadj = ratio (delta, bs)) <= 2.)
- {
- if (dsign)
- aadj = aadj1 = 1.;
- else if (word1 (rv) || word0 (rv) & Bndry_mask)
- {
-#ifndef Sudden_Underflow
- if (word1 (rv) == Tiny1 && !word0 (rv))
- goto undfl;
-#endif
- aadj = 1.;
- aadj1 = -1.;
- }
- else
- {
- /* special case -- power of FLT_RADIX to be */
- /* rounded down... */
-
- if (aadj < 2. / FLT_RADIX)
- aadj = 1. / FLT_RADIX;
- else
- aadj *= 0.5;
- aadj1 = -aadj;
- }
- }
- else
- {
- aadj *= 0.5;
- aadj1 = dsign ? aadj : -aadj;
-#ifdef Check_FLT_ROUNDS
- switch (FLT_ROUNDS)
- {
- case 2: /* towards +infinity */
- aadj1 -= 0.5;
- break;
- case 0: /* towards 0 */
- case 3: /* towards -infinity */
- aadj1 += 0.5;
- }
-#else
- if (FLT_ROUNDS == 0)
- aadj1 += 0.5;
-#endif
- }
- y = word0 (rv) & Exp_mask;
-
- /* Check for overflow */
-
- if (y == Exp_msk1 * (DBL_MAX_EXP + Bias - 1))
- {
- rv0.d = rv.d;
- word0 (rv) -= P * Exp_msk1;
- adj = aadj1 * ulp (rv.d);
- rv.d += adj;
- if ((word0 (rv) & Exp_mask) >=
- Exp_msk1 * (DBL_MAX_EXP + Bias - P))
- {
- if (word0 (rv0) == Big0 && word1 (rv0) == Big1)
- goto ovfl;
-#ifdef _DOUBLE_IS_32BITS
- word0 (rv) = Big1;
-#else
- word0 (rv) = Big0;
- word1 (rv) = Big1;
-#endif
- goto cont;
- }
- else
- word0 (rv) += P * Exp_msk1;
- }
- else
- {
-#ifdef Sudden_Underflow
- if ((word0 (rv) & Exp_mask) <= P * Exp_msk1)
- {
- rv0.d = rv.d;
- word0 (rv) += P * Exp_msk1;
- adj = aadj1 * ulp (rv.d);
- rv.d += adj;
-#ifdef IBM
- if ((word0 (rv) & Exp_mask) < P * Exp_msk1)
-#else
- if ((word0 (rv) & Exp_mask) <= P * Exp_msk1)
-#endif
- {
- if (word0 (rv0) == Tiny0
- && word1 (rv0) == Tiny1)
- goto undfl;
- word0 (rv) = Tiny0;
- word1 (rv) = Tiny1;
- goto cont;
- }
- else
- word0 (rv) -= P * Exp_msk1;
- }
- else
- {
- adj = aadj1 * ulp (rv.d);
- rv.d += adj;
- }
-#else
- /* Compute adj so that the IEEE rounding rules will
- * correctly round rv.d + adj in some half-way cases.
- * If rv.d * ulp(rv.d) is denormalized (i.e.,
- * y <= (P-1)*Exp_msk1), we must adjust aadj to avoid
- * trouble from bits lost to denormalization;
- * example: 1.2e-307 .
- */
- if (y <= (P - 1) * Exp_msk1 && aadj >= 1.)
- {
- aadj1 = (double) (int) (aadj + 0.5);
- if (!dsign)
- aadj1 = -aadj1;
- }
- adj = aadj1 * ulp (rv.d);
- rv.d += adj;
-#endif
- }
- z = word0 (rv) & Exp_mask;
- if (y == z)
- {
- /* Can we stop now? */
- L = aadj;
- aadj -= L;
- /* The tolerances below are conservative. */
- if (dsign || word1 (rv) || word0 (rv) & Bndry_mask)
- {
- if (aadj < .4999999 || aadj > .5000001)
- break;
- }
- else if (aadj < .4999999 / FLT_RADIX)
- break;
- }
- cont:
- Bfree (ptr, bb);
- Bfree (ptr, bd);
- Bfree (ptr, bs);
- Bfree (ptr, delta);
- }
-retfree:
- Bfree (ptr, bb);
- Bfree (ptr, bd);
- Bfree (ptr, bs);
- Bfree (ptr, bd0);
- Bfree (ptr, delta);
-ret:
- if (se)
- *se = (char *) s;
- if (digits == 0)
- ptr->_errno = EINVAL;
- return sign ? -rv.d : rv.d;
-}
-
diff --git a/libjava/classpath/native/fdlibm/w_acos.c b/libjava/classpath/native/fdlibm/w_acos.c
deleted file mode 100644
index e463eaf..0000000
--- a/libjava/classpath/native/fdlibm/w_acos.c
+++ /dev/null
@@ -1,39 +0,0 @@
-
-/* @(#)w_acos.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * wrap_acos(x)
- */
-
-#include "fdlibm.h"
-
-
-#ifdef __STDC__
- double acos(double x) /* wrapper acos */
-#else
- double acos(x) /* wrapper acos */
- double x;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_acos(x);
-#else
- double z;
- z = __ieee754_acos(x);
- if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
- if(fabs(x)>1.0) {
- return __kernel_standard(x,x,1); /* acos(|x|>1) */
- } else
- return z;
-#endif
-}
diff --git a/libjava/classpath/native/fdlibm/w_asin.c b/libjava/classpath/native/fdlibm/w_asin.c
deleted file mode 100644
index e818285..0000000
--- a/libjava/classpath/native/fdlibm/w_asin.c
+++ /dev/null
@@ -1,41 +0,0 @@
-
-/* @(#)w_asin.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- *
- */
-
-/*
- * wrapper asin(x)
- */
-
-
-#include "fdlibm.h"
-
-
-#ifdef __STDC__
- double asin(double x) /* wrapper asin */
-#else
- double asin(x) /* wrapper asin */
- double x;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_asin(x);
-#else
- double z;
- z = __ieee754_asin(x);
- if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
- if(fabs(x)>1.0) {
- return __kernel_standard(x,x,2); /* asin(|x|>1) */
- } else
- return z;
-#endif
-}
diff --git a/libjava/classpath/native/fdlibm/w_atan2.c b/libjava/classpath/native/fdlibm/w_atan2.c
deleted file mode 100644
index 80ad39b..0000000
--- a/libjava/classpath/native/fdlibm/w_atan2.c
+++ /dev/null
@@ -1,40 +0,0 @@
-
-/* @(#)w_atan2.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- *
- */
-
-/*
- * wrapper atan2(y,x)
- */
-
-#include "fdlibm.h"
-
-
-#ifdef __STDC__
- double atan2(double y, double x) /* wrapper atan2 */
-#else
- double atan2(y,x) /* wrapper atan2 */
- double y,x;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_atan2(y,x);
-#else
- double z;
- z = __ieee754_atan2(y,x);
- if(_LIB_VERSION == _IEEE_||isnan(x)||isnan(y)) return z;
- if(x==0.0&&y==0.0) {
- return __kernel_standard(y,x,3); /* atan2(+-0,+-0) */
- } else
- return z;
-#endif
-}
diff --git a/libjava/classpath/native/fdlibm/w_cosh.c b/libjava/classpath/native/fdlibm/w_cosh.c
deleted file mode 100644
index 1848726..0000000
--- a/libjava/classpath/native/fdlibm/w_cosh.c
+++ /dev/null
@@ -1,38 +0,0 @@
-
-/* @(#)w_cosh.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * wrapper cosh(x)
- */
-
-#include "fdlibm.h"
-
-#ifdef __STDC__
- double cosh(double x) /* wrapper cosh */
-#else
- double cosh(x) /* wrapper cosh */
- double x;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_cosh(x);
-#else
- double z;
- z = __ieee754_cosh(x);
- if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
- if(fabs(x)>7.10475860073943863426e+02) {
- return __kernel_standard(x,x,5); /* cosh overflow */
- } else
- return z;
-#endif
-}
diff --git a/libjava/classpath/native/fdlibm/w_exp.c b/libjava/classpath/native/fdlibm/w_exp.c
deleted file mode 100644
index 7819ca1..0000000
--- a/libjava/classpath/native/fdlibm/w_exp.c
+++ /dev/null
@@ -1,48 +0,0 @@
-
-/* @(#)w_exp.c 1.4 04/04/22 */
-/*
- * ====================================================
- * Copyright (C) 2004 by Sun Microsystems, Inc. All rights reserved.
- *
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * wrapper exp(x)
- */
-
-#include "fdlibm.h"
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-o_threshold= 7.09782712893383973096e+02, /* 0x40862E42, 0xFEFA39EF */
-u_threshold= -7.45133219101941108420e+02; /* 0xc0874910, 0xD52D3051 */
-
-#ifdef __STDC__
- double exp(double x) /* wrapper exp */
-#else
- double exp(x) /* wrapper exp */
- double x;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_exp(x);
-#else
- double z;
- z = __ieee754_exp(x);
- if(_LIB_VERSION == _IEEE_) return z;
- if(finite(x)) {
- if(x>o_threshold)
- return __kernel_standard(x,x,6); /* exp overflow */
- else if(x<u_threshold)
- return __kernel_standard(x,x,7); /* exp underflow */
- }
- return z;
-#endif
-}
diff --git a/libjava/classpath/native/fdlibm/w_fmod.c b/libjava/classpath/native/fdlibm/w_fmod.c
deleted file mode 100644
index 9d9f3a8..0000000
--- a/libjava/classpath/native/fdlibm/w_fmod.c
+++ /dev/null
@@ -1,39 +0,0 @@
-
-/* @(#)w_fmod.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * wrapper fmod(x,y)
- */
-
-#include "fdlibm.h"
-
-
-#ifdef __STDC__
- double fmod(double x, double y) /* wrapper fmod */
-#else
- double fmod(x,y) /* wrapper fmod */
- double x,y;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_fmod(x,y);
-#else
- double z;
- z = __ieee754_fmod(x,y);
- if(_LIB_VERSION == _IEEE_ ||isnan(y)||isnan(x)) return z;
- if(y==0.0) {
- return __kernel_standard(x,y,27); /* fmod(x,0) */
- } else
- return z;
-#endif
-}
diff --git a/libjava/classpath/native/fdlibm/w_hypot.c b/libjava/classpath/native/fdlibm/w_hypot.c
deleted file mode 100644
index 64d0532..0000000
--- a/libjava/classpath/native/fdlibm/w_hypot.c
+++ /dev/null
@@ -1,39 +0,0 @@
-
-/* @(#)w_hypot.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * wrapper hypot(x,y)
- */
-
-#include "fdlibm.h"
-
-
-#ifdef __STDC__
- double hypot(double x, double y)/* wrapper hypot */
-#else
- double hypot(x,y) /* wrapper hypot */
- double x,y;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_hypot(x,y);
-#else
- double z;
- z = __ieee754_hypot(x,y);
- if(_LIB_VERSION == _IEEE_) return z;
- if((!finite(z))&&finite(x)&&finite(y))
- return __kernel_standard(x,y,4); /* hypot overflow */
- else
- return z;
-#endif
-}
diff --git a/libjava/classpath/native/fdlibm/w_log.c b/libjava/classpath/native/fdlibm/w_log.c
deleted file mode 100644
index 0eb8f0b..0000000
--- a/libjava/classpath/native/fdlibm/w_log.c
+++ /dev/null
@@ -1,39 +0,0 @@
-
-/* @(#)w_log.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * wrapper log(x)
- */
-
-#include "fdlibm.h"
-
-
-#ifdef __STDC__
- double log(double x) /* wrapper log */
-#else
- double log(x) /* wrapper log */
- double x;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_log(x);
-#else
- double z;
- z = __ieee754_log(x);
- if(_LIB_VERSION == _IEEE_ || isnan(x) || x > 0.0) return z;
- if(x==0.0)
- return __kernel_standard(x,x,16); /* log(0) */
- else
- return __kernel_standard(x,x,17); /* log(x<0) */
-#endif
-}
diff --git a/libjava/classpath/native/fdlibm/w_log10.c b/libjava/classpath/native/fdlibm/w_log10.c
deleted file mode 100644
index 2bdebc7..0000000
--- a/libjava/classpath/native/fdlibm/w_log10.c
+++ /dev/null
@@ -1,42 +0,0 @@
-
-/* @(#)w_log10.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * wrapper log10(X)
- */
-
-#include "fdlibm.h"
-
-
-#ifdef __STDC__
- double log10(double x) /* wrapper log10 */
-#else
- double log10(x) /* wrapper log10 */
- double x;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_log10(x);
-#else
- double z;
- z = __ieee754_log10(x);
- if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
- if(x<=0.0) {
- if(x==0.0)
- return __kernel_standard(x,x,18); /* log10(0) */
- else
- return __kernel_standard(x,x,19); /* log10(x<0) */
- } else
- return z;
-#endif
-}
diff --git a/libjava/classpath/native/fdlibm/w_pow.c b/libjava/classpath/native/fdlibm/w_pow.c
deleted file mode 100644
index 850c116..0000000
--- a/libjava/classpath/native/fdlibm/w_pow.c
+++ /dev/null
@@ -1,60 +0,0 @@
-
-
-/* @(#)w_pow.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * wrapper pow(x,y) return x**y
- */
-
-#include "fdlibm.h"
-
-
-#ifdef __STDC__
- double pow(double x, double y) /* wrapper pow */
-#else
- double pow(x,y) /* wrapper pow */
- double x,y;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_pow(x,y);
-#else
- double z;
- z=__ieee754_pow(x,y);
- if(_LIB_VERSION == _IEEE_|| isnan(y)) return z;
- if(isnan(x)) {
- if(y==0.0)
- return __kernel_standard(x,y,42); /* pow(NaN,0.0) */
- else
- return z;
- }
- if(x==0.0){
- if(y==0.0)
- return __kernel_standard(x,y,20); /* pow(0.0,0.0) */
- if(finite(y)&&y<0.0)
- return __kernel_standard(x,y,23); /* pow(0.0,negative) */
- return z;
- }
- if(!finite(z)) {
- if(finite(x)&&finite(y)) {
- if(isnan(z))
- return __kernel_standard(x,y,24); /* pow neg**non-int */
- else
- return __kernel_standard(x,y,21); /* pow overflow */
- }
- }
- if(z==0.0&&finite(x)&&finite(y))
- return __kernel_standard(x,y,22); /* pow underflow */
- return z;
-#endif
-}
diff --git a/libjava/classpath/native/fdlibm/w_remainder.c b/libjava/classpath/native/fdlibm/w_remainder.c
deleted file mode 100644
index 8e65c20..0000000
--- a/libjava/classpath/native/fdlibm/w_remainder.c
+++ /dev/null
@@ -1,38 +0,0 @@
-
-/* @(#)w_remainder.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * wrapper remainder(x,p)
- */
-
-#include "fdlibm.h"
-
-#ifdef __STDC__
- double remainder(double x, double y) /* wrapper remainder */
-#else
- double remainder(x,y) /* wrapper remainder */
- double x,y;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_remainder(x,y);
-#else
- double z;
- z = __ieee754_remainder(x,y);
- if(_LIB_VERSION == _IEEE_ || isnan(y)) return z;
- if(y==0.0)
- return __kernel_standard(x,y,28); /* remainder(x,0) */
- else
- return z;
-#endif
-}
diff --git a/libjava/classpath/native/fdlibm/w_sinh.c b/libjava/classpath/native/fdlibm/w_sinh.c
deleted file mode 100644
index f328dde..0000000
--- a/libjava/classpath/native/fdlibm/w_sinh.c
+++ /dev/null
@@ -1,38 +0,0 @@
-
-/* @(#)w_sinh.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * wrapper sinh(x)
- */
-
-#include "fdlibm.h"
-
-#ifdef __STDC__
- double sinh(double x) /* wrapper sinh */
-#else
- double sinh(x) /* wrapper sinh */
- double x;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_sinh(x);
-#else
- double z;
- z = __ieee754_sinh(x);
- if(_LIB_VERSION == _IEEE_) return z;
- if(!finite(z)&&finite(x)) {
- return __kernel_standard(x,x,25); /* sinh overflow */
- } else
- return z;
-#endif
-}
diff --git a/libjava/classpath/native/fdlibm/w_sqrt.c b/libjava/classpath/native/fdlibm/w_sqrt.c
deleted file mode 100644
index 4dd589e..0000000
--- a/libjava/classpath/native/fdlibm/w_sqrt.c
+++ /dev/null
@@ -1,38 +0,0 @@
-
-/* @(#)w_sqrt.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * wrapper sqrt(x)
- */
-
-#include "fdlibm.h"
-
-#ifdef __STDC__
- double sqrt(double x) /* wrapper sqrt */
-#else
- double sqrt(x) /* wrapper sqrt */
- double x;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_sqrt(x);
-#else
- double z;
- z = __ieee754_sqrt(x);
- if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
- if(x<0.0) {
- return __kernel_standard(x,x,26); /* sqrt(negative) */
- } else
- return z;
-#endif
-}