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-rw-r--r--sysdeps/powerpc/fpu/e_hypot.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/powerpc/fpu/e_hypot.c b/sysdeps/powerpc/fpu/e_hypot.c
index 98e4ae635f..a3b9d3d371 100644
--- a/sysdeps/powerpc/fpu/e_hypot.c
+++ b/sysdeps/powerpc/fpu/e_hypot.c
@@ -116,7 +116,9 @@ __ieee754_hypot (double x, double y)
 	{
 	  x *= two1022;
 	  y *= two1022;
-	  return __ieee754_sqrt (x * x + y * y) / two1022;
+	  double ret = __ieee754_sqrt (x * x + y * y) / two1022;
+	  math_check_force_underflow_nonneg (ret);
+	  return ret;
 	}
       else
 	{