| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677 |
- /* Copyright (C) 1997, 1998, 1999, 2000 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;
- /* 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;
- typedef double double_t;
- /* 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. */
- # define FP_ILOGB0 (-2147483647)
- # define FP_ILOGBNAN (2147483647)
- #endif /* ISO C99 */
- #ifndef __NO_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. */
- # define __NO_LONG_DOUBLE_MATH 1
- # endif
- #endif
|
