2003-04-05 00:00:47 +02:00
|
|
|
/* Copyright (C) 1997,1998,1999,2000,2003 Free Software Foundation, Inc.
|
1999-10-31 18:37:43 +01:00
|
|
|
This file is part of the GNU C Library.
|
|
|
|
|
|
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
2001-07-06 06:58:11 +02:00
|
|
|
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.
|
1999-10-31 18:37:43 +01:00
|
|
|
|
|
|
|
|
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
|
2001-07-06 06:58:11 +02:00
|
|
|
Lesser General Public License for more details.
|
1999-10-31 18:37:43 +01:00
|
|
|
|
2001-07-06 06:58:11 +02:00
|
|
|
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. */
|
1999-10-31 18:37:43 +01:00
|
|
|
|
|
|
|
|
#if !defined _MATH_H && !defined _COMPLEX_H
|
|
|
|
|
# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* FIXME! This file describes properties of the compiler, not the machine;
|
|
|
|
|
it should not be part of libc!
|
|
|
|
|
|
|
|
|
|
FIXME! This file does not deal with the -fshort-double option of
|
|
|
|
|
gcc! */
|
|
|
|
|
|
1999-12-18 20:45:25 +01:00
|
|
|
#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
|
|
|
|
|
# define _MATH_H_MATHDEF 1
|
|
|
|
|
|
1999-10-31 18:37:43 +01:00
|
|
|
# ifdef __GNUC__
|
|
|
|
|
# if __STDC__ == 1
|
|
|
|
|
|
|
|
|
|
/* In GNU or ANSI mode, gcc leaves `float' expressions as-is. */
|
|
|
|
|
typedef float float_t; /* `float' expressions are evaluated as
|
|
|
|
|
`float'. */
|
|
|
|
|
typedef double double_t; /* `double' expressions are evaluated as
|
|
|
|
|
`double'. */
|
|
|
|
|
|
|
|
|
|
/* Define `INFINITY' as value of type `float'. */
|
|
|
|
|
# define INFINITY HUGE_VALF
|
|
|
|
|
|
|
|
|
|
# else
|
|
|
|
|
|
|
|
|
|
/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
|
|
|
|
|
typedef double float_t; /* `float' expressions are evaluated as
|
|
|
|
|
`double'. */
|
|
|
|
|
typedef double double_t; /* `double' expressions are evaluated as
|
|
|
|
|
`double'. */
|
|
|
|
|
|
|
|
|
|
/* Define `INFINITY' as value of type `float'. */
|
|
|
|
|
# define INFINITY HUGE_VALF
|
|
|
|
|
|
|
|
|
|
# endif
|
|
|
|
|
# else
|
|
|
|
|
|
|
|
|
|
/* Wild guess at types for float_t and double_t. */
|
|
|
|
|
typedef double float_t;
|
|
|
|
|
typedef double double_t;
|
|
|
|
|
|
|
|
|
|
/* Define `INFINITY' as value of type `float'. */
|
|
|
|
|
# define INFINITY HUGE_VALF
|
|
|
|
|
|
|
|
|
|
# endif
|
|
|
|
|
|
|
|
|
|
/* The values returned by `ilogb' for 0 and NaN respectively. */
|
2000-09-01 08:39:10 +02:00
|
|
|
# define FP_ILOGB0 (-2147483647)
|
|
|
|
|
# define FP_ILOGBNAN (2147483647)
|
1999-10-31 18:37:43 +01:00
|
|
|
|
|
|
|
|
#endif /* ISO C99 */
|
|
|
|
|
|
|
|
|
|
#ifndef __NO_LONG_DOUBLE_MATH
|
|
|
|
|
/* Signal that we do not really have a `long double'. The disables the
|
|
|
|
|
declaration of all the `long double' function variants. */
|
|
|
|
|
# define __NO_LONG_DOUBLE_MATH 1
|
|
|
|
|
#endif
|
