From 354691b7b55d014b9a4d3a94e2f8f934870b6bff Mon Sep 17 00:00:00 2001
From: Marek Polacek <polacek@redhat.com>
Date: Wed, 25 Jul 2012 12:59:36 +0200
Subject: Set up errno properly for yn.

---
 sysdeps/ieee754/ldbl-128/e_jnl.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'sysdeps/ieee754/ldbl-128')

diff --git a/sysdeps/ieee754/ldbl-128/e_jnl.c b/sysdeps/ieee754/ldbl-128/e_jnl.c
index e320d994bf..70d5672fd9 100644
--- a/sysdeps/ieee754/ldbl-128/e_jnl.c
+++ b/sysdeps/ieee754/ldbl-128/e_jnl.c
@@ -56,6 +56,7 @@
  *
  */
 
+#include <errno.h>
 #include <math.h>
 #include <math_private.h>
 
@@ -385,6 +386,9 @@ __ieee754_ynl (int n, long double x)
 	  a = temp;
 	}
     }
+  /* If B is +-Inf, set up errno accordingly.  */
+  if (! __finitel (b))
+    __set_errno (ERANGE);
   if (sign > 0)
     return b;
   else
-- 
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