uclibc-ng/libc/sysdeps/linux/sparc/bits/mathdef.h

/* Copyright (C) 1997, 1998, 1999, 2000, 2004, 2006
   Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#if !defined _MATH_H && !defined _COMPLEX_H
# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
#endif

#include <bits/wordsize.h>

/* FIXME! This file describes properties of the compiler, not the machine;
   it should not be part of libc!  */

#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
# define _MATH_H_MATHDEF	1

# ifdef __GNUC__
#  if __STDC__ == 1

/* In GNU or ANSI mode, gcc leaves `float' expressions as-is.  */
typedef float float_t;
typedef double double_t;

#  else

/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
typedef double float_t;
typedef double double_t;

#  endif
# else

/* Wild guess at types for float_t and double_t. */
typedef double float_t;
typedef double double_t;

# endif

/* The values returned by `ilogb' for 0 and NaN respectively.  */
# define FP_ILOGB0       (-2147483647)
# define FP_ILOGBNAN     (2147483647)

#endif	/* ISO C99 */

#ifdef __UCLIBC_HAS_LONG_DOUBLE_MATH__

# if __WORDSIZE == 32
/* Signal that in 32bit ABI we do not really have a `long double'.
   The disables the declaration of all the `long double' function
   variants.  */
#  undef __UCLIBC_HAS_LONG_DOUBLE_MATH__
# endif

#endif