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authorMarek Polacek <polacek@redhat.com>2012-07-25 12:59:36 +0200
committerMarek Polacek <polacek@redhat.com>2012-07-25 12:59:36 +0200
commit354691b7b55d014b9a4d3a94e2f8f934870b6bff (patch)
treeae16c6123f84e091b5865bf4d8934ceaaad66bc9 /sysdeps/ieee754/ldbl-128/e_jnl.c
parentbf9e20711e4f3905b2bbcceab2b339b50c7097dd (diff)
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Set up errno properly for yn.
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/e_jnl.c')
-rw-r--r--sysdeps/ieee754/ldbl-128/e_jnl.c4
1 files changed, 4 insertions, 0 deletions
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