X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fsignbitd.c;h=4042349b6f053f55d64c45cfbd6e910dfddc2232;hb=56c2804916c20464b13800341b426536c842191d;hp=8907766f209cd99cd0a44271dbd761e64c825137;hpb=57fdfd3f8ec62b105c53bcdf6f127c35c7fe7391;p=gnulib.git

diff --git a/lib/signbitd.c b/lib/signbitd.c
index 8907766f2..4042349b6 100644
--- a/lib/signbitd.c
+++ b/lib/signbitd.c
@@ -1,5 +1,5 @@
 /* signbit() macro: Determine the sign bit of a floating-point number.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007-2011 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -20,10 +20,12 @@
 #include <math.h>
 
 #include <string.h>
-#include "isnan.h"
+#include "isnand-nolibm.h"
 #include "float+.h"
 
-#undef gl_signbitd
+#ifdef gl_signbitd_OPTIMIZED_MACRO
+# undef gl_signbitd
+#endif
 
 int
 gl_signbitd (double arg)
@@ -45,7 +47,7 @@ gl_signbitd (double arg)
 #else
   /* This does not do the right thing for NaN, but this is irrelevant for
      most use cases.  */
-  if (isnan (arg))
+  if (isnand (arg))
     return 0;
   if (arg < 0.0)
     return 1;