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author | Ulrich Drepper <drepper@redhat.com> | 1997-03-25 01:45:04 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1997-03-25 01:45:04 +0000 |
commit | 3e5f55575217bd22a301a77eafe00f2f3a727107 (patch) | |
tree | 21f840213d3720c9fa8c8fdad17917897b5ee386 /sysdeps/m68k/fpu/e_atan2.c | |
parent | bc9f6000f6752153e5e1902259d5f491a88a1ae5 (diff) | |
download | glibc-3e5f55575217bd22a301a77eafe00f2f3a727107.zip glibc-3e5f55575217bd22a301a77eafe00f2f3a727107.tar.gz glibc-3e5f55575217bd22a301a77eafe00f2f3a727107.tar.bz2 |
Update.
1997-03-25 02:15 Ulrich Drepper <drepper@cygnus.com>
* gmon/gmon.c: Optimize a bit by using more sets of records to
write in a single writev call.
* math/math.h: Add definitions of macros __MATHCALLX and __MATHDECLX.
* math/mathcalls.h: Use __MATHCALLX for fabs, infnan, copysign,
nan, isnan, nextafter, trunc, __fpclassify and signbit to mark as
`const'.
Use __MATHDECLX for isinf and finite.
* sysdeps/generic/setenv.c [_LIBC]: Define __clearenv and make
clearenv a weak alias.
Implement complex exponential function.
* sysdeps/libm-ieee754/s_cexp.c: New file.
* sysdeps/libm-ieee754/s_cexpf.c: New file.
* sysdeps/libm-ieee754/s_cexpl.c: New file.
* sysdeps/libm-ieee754/s_nan.c: Define function as __nan and make
nan a weak alias.
* sysdeps/libm-ieee754/s_nanf.c: Likewise for nanf.
* sysdeps/libm-ieee754/s_nanl.c: Likewise for nanl.
* sysdeps/unix/sysv/linux/iovec.h: Don't use kernel header because
of type clashes. Add all definitions here.
* sysdeps/unix/sysv/linux/shmat.c: Likewise. Correct types according
to XPG4.2.
* sysdeps/unix/sysv/linux/shmdt.c: Likewise.
* sysdeps/unix/sysv/linux/msgrcv.c: Likewise.
* sysvipc/sys/shm.h (shmat, shmdt): Correct types.
* sysdeps/unix/sysv/linux/sys/kd.h: Define _LINUX_TYPES_H to avoid
use of kernel types.
1997-03-25 00:00 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/netinet/ip.h (struct ip_timestamp):
Correct typos. Reported by a sun <asun@zoology.washington.edu>.
1997-03-20 21:58 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/libm-ieee754/s_asinhl.c: Fix sign of result.
1997-03-20 16:20 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/libm-ieee754/e_atan2l.c: Fix typo.
1997-03-20 14:23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/m68k/fpu/__math.h (__logb, logb): Don't define.
* sysdeps/m68k/fpu/s_logb.c: Removed.
* sysdeps/m68k/fpu/s_logbf.c: Removed.
* sysdeps/m68k/fpu/s_logbl.c: Removed.
* sysdeps/m68k/fpu/__math.h (__ieee754_atan2, __ieee754_pow):
Don't define here.
* sysdeps/m68k/fpu/e_atan2.c: Rewritten.
* sysdeps/m68k/fpu/e_pow.c: Likewise.
* sysdeps/m68k/fpu/e_atan2f.c: Based on e_atan2.c.
* sysdeps/m68k/fpu/e_atan2l.c: Likewise.
* sysdeps/m68k/fpu/e_powf.c: Based on e_pow.c.
* sysdeps/m68k/fpu/e_powl.c: Likewise.
* sysdeps/m68k/fpu/s_log2.c: New file.
* sysdeps/m68k/fpu/s_log2f.c: New file.
* sysdeps/m68k/fpu/s_log2l.c: New file.
* sysdeps/m68k/fpu/s_exp2.c: New file.
* sysdeps/m68k/fpu/s_exp2f.c: New file.
* sysdeps/m68k/fpu/s_exp2l.c: New file.
1997-03-20 14:46 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Makeconfig (all): Make sure this is always the default goal.
1997-03-20 11:09 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* math/libm-test.c: Increase epsilon in many places. Fix many
typos. Allow optinal argument also for short option.
1997-03-20 11:09 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* math/Makefile ($(objpfx)$(tests)): Link against libm.
1997-03-24 23:14 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/libm-ieee754/s_fpclassifyl.c: Correct recognition of
denormalized numbers.
* sysdeps/i386/huge_val.h: Remove references to byte order macros.
Don't include <endian.h>.
1997-03-19 15:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/m68k/huge_val.h: Remove references to byte order macros.
Don't include <endian.h>.
1997-03-24 23:09 Ulrich Drepper <drepper@cygnus.com>
* inet/rcmd.c (iruserok): Use access instead of euidaccess.
1997-03-15 18:08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* math/cmathcalls.h: Remove whitespace before function name in use
of __MATHDECL macro, to make it compilable with a traditional
preprocessor.
1997-03-24 15:31 Ulrich Drepper <drepper@cygnus.com>
* configure.in: Use AC_PROG_CC instead of AC_PROG_TOOL to find
compiler.
1997-03-24 02:34 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/libm-ieee754/s_finitel.c (__finitel): Shift return value
by 31 positions to get 0/1 result.
Patch by Joe Keane <jgk@jgk.org>.
1997-03-23 12:15 H.J. Lu <hjl@gnu.ai.mit.edu>
* posix/getopt.c (__getopt_nonoption_flags): Make it extern
to prevent from ld linking in getopt.o even if there is another
incompatible one.
* posix/getopt_init.c (__getopt_nonoption_flags): Remove extern.
1997-03-23 23:30 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* nis/nis_call.c (__do_niscall): Print message if cold start file
does not exist.
* nis/nis_file.c: Don't print error messages.
* nis/nis_local_name.c (nis_local_host): Fix pointer errors.
* nis/rpcsvc/ypclnt.h: Fix copyright and prototypes.
* nis/rpcsvc/nis.h: Likewise.
* nis/ypclnt.c: Fix prototypes.
1997-03-24 01:36 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/libm-i387/e_scalb.S: Pop additional result before
returning.
* sysdeps/libm-i387/e_scalbf.S: Likewise.
* sysdeps/libm-i387/e_scalbl.S: Likewise.
Reported by Andreas Jaeger <aj@arthur.pfalz.de>.
* elf/rtld.c (dl_main): Set main_map->l_opencount to 1 also if
dynamic linker was called implicitly by the kernel.
Reported by Eric Youngdale <eric@andante.jic.com>.
* math/Makefile (CFLAGS-test-float.c, CFLAGS-test-double.c,
CFLAGS-test-longdouble.c): New variables. Set to -fno-inline to
prevent clever optimizations which corrupt the tests.
1997-03-23 21:33 Andreas Jaeger <aj@arthur.pfalz.de>
* math/libm-test.c (scalb_test): New function.
(sqrt_test): New function.
(scalbn_test): New function.
(ilogb_test): New function.
(main): Added calls for new test functions.
(ldexp_test): Add another test for ldexp(x,0).
1997-03-23 12:35 Andreas Jaeger <aj@arthur.pfalz.de>
* math/libm-test.c (remquo_test): Correct messages so that they
match the tests.
(copysign_test): Likewise.
1997-03-23 16:28 Ulrich Drepper <drepper@cygnus.com>
* stdio-common/Makefile (routines): Add printf_size.
* stdio-common/printf.h: Add declarations for printf_size and
printf_size_info.
* stdio-common/printf-parse.h (__printf_arginfo_table): Correct
declaration.
(parse_one_spec): Test whether __printf_function_table is not NULL
before using registered handlers and don't test
__printf_arginfo_table. Update nargs also when handler is
registered.
* stdio-common/vfprintf.c (vfprintf): Count number of specifiers
processed in fast loop.
* stdio-common/printf_size: New file.
1997-03-22 04:53 Ulgmon_out_readrich Drepper <drepper@cygnus.com>
Diffstat (limited to 'sysdeps/m68k/fpu/e_atan2.c')
-rw-r--r-- | sysdeps/m68k/fpu/e_atan2.c | 100 |
1 files changed, 98 insertions, 2 deletions
diff --git a/sysdeps/m68k/fpu/e_atan2.c b/sysdeps/m68k/fpu/e_atan2.c index ae7a799..58d7555 100644 --- a/sysdeps/m68k/fpu/e_atan2.c +++ b/sysdeps/m68k/fpu/e_atan2.c @@ -1,2 +1,98 @@ -#define FUNC __ieee754_atan2 -#include <e_fmod.c> +/* Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#define __LIBC_M81_MATH_INLINES +#include <math.h> +#include "math_private.h" + +#ifndef SUFF +#define SUFF +#endif +#ifndef float_type +#define float_type double +#endif + +#define __CONCATX(a,b) __CONCAT(a,b) + +float_type +__CONCATX(__ieee754_atan2,SUFF) (float_type y, float_type x) +{ + float_type pi, pi_2, z; + + __asm ("fmovecr%.x %#0, %0" : "=f" (pi)); + __asm ("fscale%.w %#-1, %0" : "=f" (pi_2) : "0" (pi)); + if (x != x || y != y) + z = x + y; + else if (y == 0) + { + if (signbit (x)) + z = signbit (y) ? -pi : pi; + else + z = y; + } + else if (__m81_u(__CONCATX(__isinf,SUFF)) (x)) + { + if (__m81_u(__CONCATX(__isinf,SUFF)) (y)) + { + float_type pi_4; + __asm ("fscale%.w %#-1, %0" : "=f" (pi_4) : "0" (pi_2)); + z = x > 0 ? pi_4 : 3 * pi_4; + } + else + z = x > 0 ? 0 : pi; + if (signbit (y)) + z = -z; + } + else if (__m81_u(__CONCATX(__isinf,SUFF)) (y)) + z = y > 0 ? pi_2 : -pi_2; + else if (x > 0) + { + if (y > 0) + { + if (x > y) + z = __m81_u(__CONCATX(__atan,SUFF)) (y / x); + else + z = pi_2 - __m81_u(__CONCATX(__atan,SUFF)) (x / y); + } + else + { + if (x > -y) + z = __m81_u(__CONCATX(__atan,SUFF)) (y / x); + else + z = -pi_2 - __m81_u(__CONCATX(__atan,SUFF)) (x / y); + } + } + else + { + if (y < 0) + { + if (-x > y) + z = -pi + __m81_u(__CONCATX(__atan,SUFF)) (y / x); + else + z = -pi_2 - __m81_u(__CONCATX(__atan,SUFF)) (x / y); + } + else + { + if (-x > y) + z = pi + __m81_u(__CONCATX(__atan,SUFF)) (y / x); + else + z = pi_2 - __m81_u(__CONCATX(__atan,SUFF)) (x / y); + } + } + return z; +} |