maint: update all copyright year number ranges

[gnulib.git] / lib / signbitd.c

diff --git a/lib/signbitd.c b/lib/signbitd.c
index 9a7d725..7a434f8 100644 (file)
--- 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) 2007-2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2013 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
@@ -23,7 +23,9 @@
 #include "isnand-nolibm.h"
 #include "float+.h"
 
-#undef gl_signbitd
+#ifdef gl_signbitd_OPTIMIZED_MACRO
+# undef gl_signbitd
+#endif
 
 int
 gl_signbitd (double arg)