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| author | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
| commit | a334319f6530564d22e775935d9c91663623a1b4 (patch) | |
| tree | b5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/ieee754/dbl-64/s_llrint.c | |
| parent | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff) | |
| download | glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz | |
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/ieee754/dbl-64/s_llrint.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/s_llrint.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_llrint.c b/sysdeps/ieee754/dbl-64/s_llrint.c index 64c870eaaa..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, 2004, 2006 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. @@ -23,7 +23,7 @@ #include "math_private.h" -static const double two52[2] = +static const long double two52[2] = { 4.50359962737049600000e+15, /* 0x43300000, 0x00000000 */ -4.50359962737049600000e+15, /* 0xC3300000, 0x00000000 */ @@ -48,14 +48,19 @@ __llrint (double x) if (j0 < 20) { - w = two52[sx] + x; - t = w - two52[sx]; - EXTRACT_WORDS (i0, i1, t); - j0 = ((i0 >> 20) & 0x7ff) - 0x3ff; - i0 &= 0xfffff; - i0 |= 0x100000; + if (j0 < -1) + return 0; + else + { + w = two52[sx] + x; + t = w - two52[sx]; + EXTRACT_WORDS (i0, i1, t); + j0 = ((i0 >> 20) & 0x7ff) - 0x3ff; + i0 &= 0xfffff; + i0 |= 0x100000; - result = (j0 < 0 ? 0 : i0 >> (20 - j0)); + result = i0 >> (20 - j0); + } } else if (j0 < (int32_t) (8 * sizeof (long long int)) - 1) { |