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-rw-r--r--sysdeps/libm-ieee754/s_ctanh.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/libm-ieee754/s_ctanh.c b/sysdeps/libm-ieee754/s_ctanh.c
index a16f9c8d02..eb6ff84817 100644
--- a/sysdeps/libm-ieee754/s_ctanh.c
+++ b/sysdeps/libm-ieee754/s_ctanh.c
@@ -29,7 +29,7 @@ __ctanh (__complex__ double x)
 {
   __complex__ double res;
 
-  if (!finite (__real__ x) || !finite (__imag__ x))
+  if (!isfinite (__real__ x) || !isfinite (__imag__ x))
     {
       if (__isinf (__real__ x))
 	{