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-rw-r--r--m4/isnand.m46
1 files changed, 3 insertions, 3 deletions
diff --git a/m4/isnand.m4 b/m4/isnand.m4
index 31764f72d..fb2c0f9be 100644
--- a/m4/isnand.m4
+++ b/m4/isnand.m4
@@ -1,5 +1,5 @@
-# isnand.m4 serial 7
-dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
+# isnand.m4 serial 8
+dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
@@ -63,7 +63,7 @@ AC_DEFUN([gl_HAVE_ISNAND_IN_LIBM],
[[#include <math.h>
#if __GNUC__ >= 4
# undef isnand
- # define isnand(x) __builtin_isnand ((double)(x))
+ # define isnand(x) __builtin_isnan ((double)(x))
#elif defined isnan
# undef isnand
# define isnand(x) isnan ((double)(x))