diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/s_lrintl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_lrintl.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_lrintl.c b/sysdeps/ieee754/ldbl-128/s_lrintl.c index ead24e99f0..66f9a429fc 100644 --- a/sysdeps/ieee754/ldbl-128/s_lrintl.c +++ b/sysdeps/ieee754/ldbl-128/s_lrintl.c @@ -1,6 +1,6 @@ /* Round argument to nearest integral value according to current rounding direction. - Copyright (C) 1997, 1999, 2004, 2006 Free Software Foundation, Inc. + Copyright (C) 1997, 1999, 2004 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. @@ -48,14 +48,19 @@ __lrintl (long double x) if (j0 < 48) { - w = two112[sx] + x; - t = w - two112[sx]; - GET_LDOUBLE_WORDS64 (i0, i1, t); - j0 = ((i0 >> 48) & 0x7fff) - 0x3fff; - i0 &= 0x0000ffffffffffffLL; - i0 |= 0x0001000000000000LL; + if (j0 < -1) + return 0; + else + { + w = two112[sx] + x; + t = w - two112[sx]; + GET_LDOUBLE_WORDS64 (i0, i1, x); + j0 = ((i0 >> 48) & 0x7fff) - 0x3fff; + i0 &= 0x0000ffffffffffffLL; + i0 |= 0x0001000000000000LL; - result = (j0 < 0 ? 0 : i0 >> (48 - j0)); + result = i0 >> (48 - j0); + } } else if (j0 < (int32_t) (8 * sizeof (long int)) - 1) { @@ -65,7 +70,7 @@ __lrintl (long double x) { w = two112[sx] + x; t = w - two112[sx]; - GET_LDOUBLE_WORDS64 (i0, i1, t); + GET_LDOUBLE_WORDS64 (i0, i1, x); j0 = ((i0 >> 48) & 0x7fff) - 0x3fff; i0 &= 0x0000ffffffffffffLL; i0 |= 0x0001000000000000LL; |