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-rw-r--r--math/s_clog.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/math/s_clog.c b/math/s_clog.c
index 15f04594e9..b010e89e67 100644
--- a/math/s_clog.c
+++ b/math/s_clog.c
@@ -65,15 +65,8 @@ __clog (__complex__ double x)
 
       if (absx == 1.0 && scale == 0)
 	{
-	  double absy2 = absy * absy;
-	  if (absy2 <= DBL_MIN * 2.0)
-	    {
-	      double force_underflow = absy2 * absy2;
-	      __real__ result = absy2 / 2.0;
-	      math_force_eval (force_underflow);
-	    }
-	  else
-	    __real__ result = __log1p (absy2) / 2.0;
+	  __real__ result = __log1p (absy * absy) / 2.0;
+	  math_check_force_underflow_nonneg (__real__ result);
 	}
       else if (absx > 1.0 && absx < 2.0 && absy < 1.0 && scale == 0)
 	{