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-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_cprojl.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_cprojl.c b/sysdeps/ieee754/ldbl-128ibm/s_cprojl.c
index 3b4af5423a..a344e9288f 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_cprojl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_cprojl.c
@@ -24,9 +24,7 @@
 __complex__ long double
 __cprojl (__complex__ long double x)
 {
-  if (isnan (__real__ x) && isnan (__imag__ x))
-    return x;
-  else if (!isfinite (__real__ x) || !isfinite (__imag__ x))
+  if (__isinf_nsl (__real__ x) || __isinf_nsl (__imag__ x))
     {
       __complex__ long double res;