diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-96/e_gammal_r.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/e_gammal_r.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/sysdeps/ieee754/ldbl-96/e_gammal_r.c b/sysdeps/ieee754/ldbl-96/e_gammal_r.c index dd956fed95..40c18ea584 100644 --- a/sysdeps/ieee754/ldbl-96/e_gammal_r.c +++ b/sysdeps/ieee754/ldbl-96/e_gammal_r.c @@ -1,5 +1,5 @@ /* Implementation of gamma function according to ISO C. - Copyright (C) 1997, 1999, 2001, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 1997,1999,2001,2003,2004,2011 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -32,25 +32,27 @@ __ieee754_gammal_r (long double x, int *signgamp) GET_LDOUBLE_WORDS (es, hx, lx, x); - if (((es & 0x7fff) | hx | lx) == 0) + if (__builtin_expect (((es & 0x7fff) | hx | lx) == 0, 0)) { /* Return value for x == 0 is Inf with divide by zero exception. */ *signgamp = 0; return 1.0 / x; } - if (es == 0xffffffff && ((hx & 0x7fffffff) | lx) == 0) + if (__builtin_expect (es == 0xffffffff && ((hx & 0x7fffffff) | lx) == 0, 0)) { /* x == -Inf. According to ISO this is NaN. */ *signgamp = 0; return x - x; } - if ((es & 0x7fff) == 0x7fff && ((hx & 0x7fffffff) | lx) != 0) + if (__builtin_expect ((es & 0x7fff) == 0x7fff, 0) + && ((hx & 0x7fffffff) | lx) != 0) { /* NaN, return it. */ *signgamp = 0; return x; } - if ((es & 0x8000) != 0 && x < 0xffffffff && __rintl (x) == x) + if (__builtin_expect ((es & 0x8000) != 0, 0) + && x < 0xffffffff && __rintl (x) == x) { /* Return value for integer x < 0 is NaN with invalid exception. */ *signgamp = 0; @@ -60,3 +62,4 @@ __ieee754_gammal_r (long double x, int *signgamp) /* XXX FIXME. */ return __ieee754_expl (__ieee754_lgammal_r (x, signgamp)); } +strong_alias (__ieee754_gammal_r, __gammal_r_finite) |