From b640e88eff2f0c60d1604382c15a147a2373f6d1 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Sun, 21 Nov 2004 11:42:09 +0000 Subject: 2004-11-20 Jakub Jelinek * sysdeps/ieee754/k_standard.c: Document code 50. (__kernel_standard) : Avoid raising div-by-zero exception again. 2004-11-19 H.J. Lu [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). --- sysdeps/generic/w_tgammaf.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'sysdeps/generic/w_tgammaf.c') diff --git a/sysdeps/generic/w_tgammaf.c b/sysdeps/generic/w_tgammaf.c index 152f4be156..e7b0d87ab5 100644 --- a/sysdeps/generic/w_tgammaf.c +++ b/sysdeps/generic/w_tgammaf.c @@ -37,8 +37,11 @@ static char rcsid[] = "$NetBSD: w_gammaf.c,v 1.4 1995/11/20 22:06:48 jtc Exp $"; if(_LIB_VERSION == _IEEE_) return y; if(!__finitef(y)&&__finitef(x)) { - if(__floorf(x)==x&&x<=(float)0.0) + if (x == (float)0.0) /* tgammaf pole */ + return (float)__kernel_standard((double)x,(double)x,150); + else if(__floorf(x)==x&&x<(float)0.0) + /* tgammaf domain */ return (float)__kernel_standard((double)x,(double)x,141); else /* tgammaf overflow */ -- cgit v1.2.3