diff options
Diffstat (limited to 'sysdeps/ieee754/dbl-64/e_gamma_r.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/e_gamma_r.c | 3 |
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)); |