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-rw-r--r--math/w_tgammal.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/math/w_tgammal.c b/math/w_tgammal.c
index b3a9e4a015..50de8cf906 100644
--- a/math/w_tgammal.c
+++ b/math/w_tgammal.c
@@ -29,7 +29,7 @@ __tgammal(long double x)
 	long double y = __ieee754_gammal_r(x,&local_signgam);
 
 	if(__glibc_unlikely (!isfinite (y) || y == 0)
-	   && (isfinite (x) || isinf (x) < 0)
+	   && (isfinite (x) || (isinf (x) && x < 0.0))
 	   && _LIB_VERSION != _IEEE_) {
 	  if(x==0.0)
 	    return __kernel_standard_l(x,x,250); /* tgamma pole */