aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
downloadglibc-a334319f6530564d22e775935d9c91663623a1b4.zip
glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz
glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.bz2
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c95
1 files changed, 0 insertions, 95 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c b/sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c
deleted file mode 100644
index 6999abc..0000000
--- a/sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/* Return classification value corresponding to argument.
- Copyright (C) 1997,1999,2002,2004,2006,2007 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
- Jakub Jelinek <jj@ultra.linux.cz>, 1999.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <math.h>
-
-#include "math_private.h"
-#include <math_ldbl_opt.h>
-
- /*
- * hx lx
- * +NaN 7ffn nnnn nnnn nnnn xxxx xxxx xxxx xxxx
- * -NaN fffn nnnn nnnn nnnn xxxx xxxx xxxx xxxx
- * +Inf 7ff0 0000 0000 0000 xxxx xxxx xxxx xxxx
- * -Inf fff0 0000 0000 0000 xxxx xxxx xxxx xxxx
- * +0 0000 0000 0000 0000 xxxx xxxx xxxx xxxx
- * -0 8000 0000 0000 0000 xxxx xxxx xxxx xxxx
- * +normal 0360 0000 0000 0000 0000 0000 0000 0000 (smallest)
- * -normal 8360 0000 0000 0000 0000 0000 0000 0000 (smallest)
- * +normal 7fef ffff ffff ffff 7c8f ffff ffff fffe (largest)
- * +normal ffef ffff ffff ffff fc8f ffff ffff fffe (largest)
- * +denorm 0360 0000 0000 0000 8000 0000 0000 0001 (largest)
- * -denorm 8360 0000 0000 0000 0000 0000 0000 0001 (largest)
- * +denorm 000n nnnn nnnn nnnn xxxx xxxx xxxx xxxx
- * -denorm 800n nnnn nnnn nnnn xxxx xxxx xxxx xxxx
- */
-
-int
-___fpclassifyl (long double x)
-{
- u_int64_t hx, lx;
- int retval = FP_NORMAL;
-
- GET_LDOUBLE_WORDS64 (hx, lx, x);
- if ((hx & 0x7ff0000000000000ULL) == 0x7ff0000000000000ULL) {
- /* +/-NaN or +/-Inf */
- if (hx & 0x000fffffffffffffULL) {
- /* +/-NaN */
- retval = FP_NAN;
- } else {
- retval = FP_INFINITE;
- }
- } else {
- /* +/-zero or +/- normal or +/- denormal */
- if (hx & 0x7fffffffffffffffULL) {
- /* +/- normal or +/- denormal */
- if ((hx & 0x7ff0000000000000ULL) > 0x0360000000000000ULL) {
- /* +/- normal */
- retval = FP_NORMAL;
- } else {
- if ((hx & 0x7ff0000000000000ULL) == 0x0360000000000000ULL) {
- if ((lx & 0x7fffffffffffffff) /* lower is non-zero */
- && ((lx^hx) & 0x8000000000000000ULL)) { /* and sign differs */
- /* +/- denormal */
- retval = FP_SUBNORMAL;
- } else {
- /* +/- normal */
- retval = FP_NORMAL;
- }
- } else {
- /* +/- denormal */
- retval = FP_SUBNORMAL;
- }
- }
- } else {
- /* +/- zero */
- retval = FP_ZERO;
- }
- }
-
- return retval;
-}
-long_double_symbol (libm, ___fpclassifyl, __fpclassifyl);
-#ifdef __LONG_DOUBLE_MATH_OPTIONAL
-libm_hidden_ver (___fpclassifyl, __fpclassifyl)
-#else
-libm_hidden_def (__fpclassifyl)
-#endif