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| author | Ulrich Drepper <drepper@redhat.com> | 2004-02-01 19:23:10 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-02-01 19:23:10 +0000 |
| commit | 3eb614154cb841e131cb1b9d213ef29f44b5fa10 (patch) | |
| tree | e2fe7e7c449dfe69c69cde9db05dc238650b554d /sysdeps | |
| parent | 00c707414167a28e5d9499a3314a79e375f3e329 (diff) | |
| download | glibc-3eb614154cb841e131cb1b9d213ef29f44b5fa10.tar glibc-3eb614154cb841e131cb1b9d213ef29f44b5fa10.tar.gz glibc-3eb614154cb841e131cb1b9d213ef29f44b5fa10.tar.bz2 glibc-3eb614154cb841e131cb1b9d213ef29f44b5fa10.zip | |
Update.
* math/libm-test.inc (lround_test): Add new test.
(llround_test): Likewise.
(lrint_test): Likewise.
(llrint_test): Likewise.
* sysdeps/ieee754/dbl-64/s_lround.c (__lround): Fix special case
with result taking up 20 bits.
* sysdeps/ieee754/dbl-64/s_lrint.c (__lrint): Likewise.
* sysdeps/ieee754/dbl-64/s_llrint.c (__llrint): Likewise..
* sysdeps/ieee754/ldbl-96/s_lroundl.c (__lroundl): Fix special
case with result taking up 31 bits.
* sysdeps/ieee754/ldbl-96/s_lrintl.c (__lrintl): Likewise.
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/s_llrint.c | 7 | ||||
| -rw-r--r-- | sysdeps/ieee754/dbl-64/s_lrint.c | 7 | ||||
| -rw-r--r-- | sysdeps/ieee754/dbl-64/s_lround.c | 7 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/s_lrintl.c | 7 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/s_lroundl.c | 7 |
5 files changed, 25 insertions, 10 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_llrint.c b/sysdeps/ieee754/dbl-64/s_llrint.c index 88e8136d49..893bd716b5 100644 --- a/sysdeps/ieee754/dbl-64/s_llrint.c +++ b/sysdeps/ieee754/dbl-64/s_llrint.c @@ -1,6 +1,6 @@ /* Round argument to nearest integral value according to current rounding direction. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -75,7 +75,10 @@ __llrint (double x) i0 &= 0xfffff; i0 |= 0x100000; - result = ((long long int) i0 << (j0 - 20)) | (i1 >> (52 - j0)); + if (j0 == 20) + result = (long long int) i0; + else + result = ((long long int) i0 << (j0 - 20)) | (i1 >> (52 - j0)); } } else diff --git a/sysdeps/ieee754/dbl-64/s_lrint.c b/sysdeps/ieee754/dbl-64/s_lrint.c index 1cd7eb3700..2da68d4dcd 100644 --- a/sysdeps/ieee754/dbl-64/s_lrint.c +++ b/sysdeps/ieee754/dbl-64/s_lrint.c @@ -1,6 +1,6 @@ /* Round argument to nearest integral value according to current rounding direction. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -75,7 +75,10 @@ __lrint (double x) i0 &= 0xfffff; i0 |= 0x100000; - result = ((long int) i0 << (j0 - 20)) | (i1 >> (52 - j0)); + if (j0 == 20) + result = (long int) i0; + else + result = ((long int) i0 << (j0 - 20)) | (i1 >> (52 - j0)); } } else diff --git a/sysdeps/ieee754/dbl-64/s_lround.c b/sysdeps/ieee754/dbl-64/s_lround.c index 7c11c690ab..4e1302ad4d 100644 --- a/sysdeps/ieee754/dbl-64/s_lround.c +++ b/sysdeps/ieee754/dbl-64/s_lround.c @@ -1,5 +1,5 @@ /* Round double value to long int. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -58,7 +58,10 @@ __lround (double x) if (j < i1) ++i0; - result = ((long int) i0 << (j0 - 20)) | (j >> (52 - j0)); + if (j0 == 20) + result = (long int) i0; + else + result = ((long int) i0 << (j0 - 20)) | (j >> (52 - j0)); } } else diff --git a/sysdeps/ieee754/ldbl-96/s_lrintl.c b/sysdeps/ieee754/ldbl-96/s_lrintl.c index b8af7aa9b2..4212093989 100644 --- a/sysdeps/ieee754/ldbl-96/s_lrintl.c +++ b/sysdeps/ieee754/ldbl-96/s_lrintl.c @@ -1,6 +1,6 @@ /* Round argument to nearest integral value according to current rounding direction. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -70,7 +70,10 @@ __lrintl (long double x) GET_LDOUBLE_WORDS (se, i0, i1, t); j0 = (se & 0x7fff) - 0x3fff; - result = ((long int) i0 << (j0 - 31)) | (i1 >> (63 - j0)); + if (j0 == 31) + result = (long int) i0; + else + result = ((long int) i0 << (j0 - 31)) | (i1 >> (63 - j0)); } } else diff --git a/sysdeps/ieee754/ldbl-96/s_lroundl.c b/sysdeps/ieee754/ldbl-96/s_lroundl.c index 32b6f6751e..217ce1b9e9 100644 --- a/sysdeps/ieee754/ldbl-96/s_lroundl.c +++ b/sysdeps/ieee754/ldbl-96/s_lroundl.c @@ -1,5 +1,5 @@ /* Round long double value to long int. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -62,7 +62,10 @@ __lroundl (long double x) if (j < i1) ++i0; - result = ((long int) i0 << (j0 - 31)) | (j >> (63 - j0)); + if (j0 == 31) + result = (long int) i0; + else + result = ((long int) i0 << (j0 - 31)) | (j >> (63 - j0)); } } else |