diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2004-11-21 19:58:34 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-11-21 19:58:34 +0000 |
| commit | 52495f29a2e8519da83cbda0c21ad95405364705 (patch) | |
| tree | 1ece157b55f4df330c2cbdc2b6cb276c57959476 /sysdeps/generic/w_tgamma.c | |
| parent | 250ecb48d516b08be7d0fdba0a7ba5146e148a77 (diff) | |
| download | glibc-52495f29a2e8519da83cbda0c21ad95405364705.tar.gz glibc-52495f29a2e8519da83cbda0c21ad95405364705.tar.xz glibc-52495f29a2e8519da83cbda0c21ad95405364705.zip | |
[BZ #552]
Update. 2004-11-20 Jakub Jelinek <jakub@redhat.com> * sysdeps/ieee754/k_standard.c: Document code 50. (__kernel_standard) <case 50>: Avoid raising div-by-zero exception again. 2004-11-19 H.J. Lu <hongjiu.lu@intel.com> [BZ #552] * math/libm-test.inc (tgamma_test): Update tgamma (0) and tgamma (-0). * sysdeps/generic/w_tgamma.c (__tgamma): Properly handle |x| == 0. * sysdeps/generic/w_tgammaf.c (__tgammaf): Likewise. * sysdeps/generic/w_tgammal.c (__tgammal): Likewise. * sysdeps/ieee754/dbl-64/e_gamma_r.c (__ieee754_gamma_r): Likewise. * sysdeps/ieee754/flt-32/e_gammaf_r.c: Likewise. * sysdeps/ieee754/ldbl-128/e_gammal_r.c: Likewise. * sysdeps/ieee754/ldbl-96/e_gammal_r.c: Likewise. * sysdeps/ieee754/k_standard.c (__kernel_standard): Handle tgamma (0) and tgamma (-0).
Diffstat (limited to 'sysdeps/generic/w_tgamma.c')
| -rw-r--r-- | sysdeps/generic/w_tgamma.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/generic/w_tgamma.c b/sysdeps/generic/w_tgamma.c index 2adbc2e14d..6e34b62be4 100644 --- a/sysdeps/generic/w_tgamma.c +++ b/sysdeps/generic/w_tgamma.c @@ -39,8 +39,10 @@ static char rcsid[] = "$NetBSD: w_gamma.c,v 1.7 1995/11/20 22:06:43 jtc Exp $"; if(_LIB_VERSION == _IEEE_) return y; if(!__finite(y)&&__finite(x)) { - if(__floor(x)==x&&x<=0.0) - return __kernel_standard(x,x,41); /* tgamma pole */ + if (x == 0.0) + return __kernel_standard(x,x,50); /* tgamma pole */ + else if(__floor(x)==x&&x<0.0) + return __kernel_standard(x,x,41); /* tgamma domain */ else return __kernel_standard(x,x,40); /* tgamma overflow */ } |