/* A GNU-like <math.h>.
- Copyright (C) 2002-2003, 2007-2010 Free Software Foundation, Inc.
+ Copyright (C) 2002-2003, 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
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-#ifndef _GL_MATH_H
+#ifndef _@GUARD_PREFIX@_MATH_H
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
/* The include_next requires a split double-inclusion guard. */
#@INCLUDE_NEXT_AS_FIRST_DIRECTIVE@ @NEXT_AS_FIRST_DIRECTIVE_MATH_H@
-#ifndef _GL_MATH_H
-#define _GL_MATH_H
+#ifndef _@GUARD_PREFIX@_MATH_H
+#define _@GUARD_PREFIX@_MATH_H
/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
it on platforms like Solaris 10, where NAN is present but defined
as a function pointer rather than a floating point constant. */
#if !defined NAN || @REPLACE_NAN@
-# undef NAN
+# if !GNULIB_defined_NAN
+# undef NAN
/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */
-# ifdef __DECC
+# ifdef __DECC
static float
_NaN ()
{
static float zero = 0.0f;
return zero / zero;
}
-# define NAN (_NaN())
-# else
-# define NAN (0.0f / 0.0f)
+# define NAN (_NaN())
+# else
+# define NAN (0.0f / 0.0f)
+# endif
+# define GNULIB_defined_NAN 1
# endif
#endif
#endif
-#endif /* _GL_MATH_H */
-#endif /* _GL_MATH_H */
+#endif /* _@GUARD_PREFIX@_MATH_H */
+#endif /* _@GUARD_PREFIX@_MATH_H */