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authorUlrich Drepper <drepper@redhat.com>1999-10-22 15:30:17 +0000
committerUlrich Drepper <drepper@redhat.com>1999-10-22 15:30:17 +0000
commiteb3bf57345cb1451a5d2578dc3f7fbe5aff3b8b5 (patch)
tree6ec83dbe97d438107bfc2da109e1f9b24235aef0 /sysdeps/ieee754/dbl-64/e_gamma_r.c
parente11d6a7d770cb612285a2fa773db978a01939645 (diff)
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Update.
* sysdeps/ieee754/ldbl-96/s_nexttoward.c: If x == y, return y. * sysdeps/ieee754/dbl-64/e_lgamma_r.c: Don't handle -Inf special. * sysdeps/ieee754/dbl-64/e_gamma_r.c (__ieee754_gamma_r): Check for -Inf and return NaN.
Diffstat (limited to 'sysdeps/ieee754/dbl-64/e_gamma_r.c')
-rw-r--r--sysdeps/ieee754/dbl-64/e_gamma_r.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/ieee754/dbl-64/e_gamma_r.c b/sysdeps/ieee754/dbl-64/e_gamma_r.c
index bd802c24f1..eff40463be 100644
--- a/sysdeps/ieee754/dbl-64/e_gamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_gamma_r.c
@@ -45,6 +45,9 @@ __ieee754_gamma_r (double x, int *signgamp)
*signgamp = 0;
return (x - x) / (x - x);
}
+ if ((unsigned int) hx == 0xfff00000 && lx==0)
+ /* x == -Inf. According to ISO this is NaN. */
+ return x - x;
/* XXX FIXME. */
return __ieee754_exp (__ieee754_lgamma_r (x, signgamp));