diff options
Diffstat (limited to 'sysdeps/ieee754/dbl-64/e_gamma_r.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/e_gamma_r.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/sysdeps/ieee754/dbl-64/e_gamma_r.c b/sysdeps/ieee754/dbl-64/e_gamma_r.c index f32309350c..c4b7470e5b 100644 --- a/sysdeps/ieee754/dbl-64/e_gamma_r.c +++ b/sysdeps/ieee754/dbl-64/e_gamma_r.c @@ -1,5 +1,5 @@ /* Implementation of gamma function according to ISO C. - Copyright (C) 1997, 1999, 2001, 2004 Free Software Foundation, Inc. + Copyright (C) 1997, 1999, 2001, 2004, 2011 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -33,19 +33,20 @@ __ieee754_gamma_r (double x, int *signgamp) EXTRACT_WORDS (hx, lx, x); - if (((hx & 0x7fffffff) | lx) == 0) + if (__builtin_expect (((hx & 0x7fffffff) | lx) == 0, 0)) { /* Return value for x == 0 is Inf with divide by zero exception. */ *signgamp = 0; return 1.0 / x; } - if (hx < 0 && (u_int32_t) hx < 0xfff00000 && __rint (x) == x) + if (__builtin_expect (hx < 0, 0) + && (u_int32_t) hx < 0xfff00000 && __rint (x) == x) { /* Return value for integer x < 0 is NaN with invalid exception. */ *signgamp = 0; return (x - x) / (x - x); } - if ((unsigned int) hx == 0xfff00000 && lx==0) + if (__builtin_expect ((unsigned int) hx == 0xfff00000 && lx==0, 0)) { /* x == -Inf. According to ISO this is NaN. */ *signgamp = 0; @@ -55,3 +56,4 @@ __ieee754_gamma_r (double x, int *signgamp) /* XXX FIXME. */ return __ieee754_exp (__ieee754_lgamma_r (x, signgamp)); } +strong_alias (__ieee754_gamma_r, __gamma_r_finite) |