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-rw-r--r--sysdeps/ieee754/flt-32/e_gammaf_r.c3
-rw-r--r--sysdeps/ieee754/flt-32/e_lgammaf_r.c2
2 files changed, 3 insertions, 2 deletions
diff --git a/sysdeps/ieee754/flt-32/e_gammaf_r.c b/sysdeps/ieee754/flt-32/e_gammaf_r.c
index 926905e7cd..f0cd43840b 100644
--- a/sysdeps/ieee754/flt-32/e_gammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_gammaf_r.c
@@ -44,6 +44,9 @@ __ieee754_gammaf_r (float x, int *signgamp)
       *signgamp = 0;
       return (x - x) / (x - x);
     }
+  if (hx == 0xff800000)
+    /* x == -Inf.  According to ISO this is NaN.  */
+    return x - x;
 
   /* XXX FIXME.  */
   return __ieee754_expf (__ieee754_lgammaf_r (x, signgamp));
diff --git a/sysdeps/ieee754/flt-32/e_lgammaf_r.c b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
index f744d5320e..5ebebb77af 100644
--- a/sysdeps/ieee754/flt-32/e_lgammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
@@ -162,8 +162,6 @@ static float zero=  0.0000000000e+00;
 
     /* purge off +-inf, NaN, +-0, and negative arguments */
 	*signgamp = 1;
-	if ((unsigned int)hx==0xff800000)
-	  return x-x;
 	ix = hx&0x7fffffff;
 	if(ix>=0x7f800000) return x*x;
 	if(ix==0) return one/fabsf(x);