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-rw-r--r--math/w_tgamma_template.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/math/w_tgamma_template.c b/math/w_tgamma_template.c
index 032f27a3f7..f570615d7b 100644
--- a/math/w_tgamma_template.c
+++ b/math/w_tgamma_template.c
@@ -41,7 +41,7 @@ M_DECL_FUNC (__tgamma) (FLOAT x)
       if (x == 0)
 	/* Pole error: tgamma(x=0).  */
 	__set_errno (ERANGE);
-      else if (M_SUF (__floor) (x) == x && x < 0)
+      else if (M_SUF (floor) (x) == x && x < 0)
 	/* Domain error: tgamma(integer x<0).  */
 	__set_errno (EDOM);
       else