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Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/e_jnl.c')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_jnl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_jnl.c b/sysdeps/ieee754/ldbl-128ibm/e_jnl.c
index 930a2bcbdf..40012e41e1 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_jnl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_jnl.c
@@ -56,6 +56,7 @@
*
*/
+#include <errno.h>
#include <math.h>
#include <math_private.h>
@@ -387,6 +388,9 @@ __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