-/* This file exists soley to keep Metrowerks' compilers happy. The version
- used by GCC can be found in /usr/lib/gcc, although it's
- not very informative. */
-
-#ifndef _FLOAT_H_
-
-#if defined(__GNUC__)
-#include_next <float.h>
-
-#elif defined(__MWERKS__)
-#define _FLOAT_H_
-
-/* APPLE LOCAL begin MW compatibility */
-/* Define various characteristics of floating-point types, if needed. */
-#ifndef __FLT_RADIX__
-#define __FLT_RADIX__ 2
-#endif
-#ifndef __FLT_MANT_DIG__
-#define __FLT_MANT_DIG__ 24
-#endif
-#ifndef __FLT_DIG__
-#define __FLT_DIG__ 6
-#endif
-#ifndef __FLT_EPSILON__
-#define __FLT_EPSILON__ 1.19209290e-07F
-#endif
-#ifndef __FLT_MIN__
-#define __FLT_MIN__ 1.17549435e-38F
-#endif
-#ifndef __FLT_MAX__
-#define __FLT_MAX__ 3.40282347e+38F
-#endif
-#ifndef __FLT_MIN_EXP__
-#define __FLT_MIN_EXP__ (-125)
-#endif
-#ifndef __FLT_MIN_10_EXP__
-#define __FLT_MIN_10_EXP__ (-37)
-#endif
-#ifndef __FLT_MAX_EXP__
-#define __FLT_MAX_EXP__ 128
-#endif
-#ifndef __FLT_MAX_10_EXP__
-#define __FLT_MAX_10_EXP__ 38
-#endif
-#ifndef __DBL_MANT_DIG__
-#define __DBL_MANT_DIG__ 53
-#endif
-#ifndef __DBL_DIG__
-#define __DBL_DIG__ 15
-#endif
-#ifndef __DBL_EPSILON__
-#define __DBL_EPSILON__ 2.2204460492503131e-16
-#endif
-#ifndef __DBL_MIN__
-#define __DBL_MIN__ 2.2250738585072014e-308
-#endif
-#ifndef __DBL_MAX__
-#define __DBL_MAX__ 1.7976931348623157e+308
-#endif
-#ifndef __DBL_MIN_EXP__
-#define __DBL_MIN_EXP__ (-1021)
-#endif
-#ifndef __DBL_MIN_10_EXP__
-#define __DBL_MIN_10_EXP__ (-307)
-#endif
-#ifndef __DBL_MAX_EXP__
-#define __DBL_MAX_EXP__ 1024
-#endif
-#ifndef __DBL_MAX_10_EXP__
-#define __DBL_MAX_10_EXP__ 308
-#endif
-#ifndef __LDBL_MANT_DIG__
-#define __LDBL_MANT_DIG__ 53
-#endif
-#ifndef __LDBL_DIG__
-#define __LDBL_DIG__ 15
-#endif
-#ifndef __LDBL_EPSILON__
-#define __LDBL_EPSILON__ 2.2204460492503131e-16
-#endif
-#ifndef __LDBL_MIN__
-#define __LDBL_MIN__ 2.2250738585072014e-308
-#endif
-#ifndef __LDBL_MAX__
-#define __LDBL_MAX__ 1.7976931348623157e+308
-#endif
-#ifndef __LDBL_MIN_EXP__
-#define __LDBL_MIN_EXP__ (-1021)
-#endif
-#ifndef __LDBL_MIN_10_EXP__
-#define __LDBL_MIN_10_EXP__ (-307)
-#endif
-#ifndef __LDBL_MAX_EXP__
-#define __LDBL_MAX_EXP__ 1024
-#endif
-#ifndef __LDBL_MAX_10_EXP__
-#define __LDBL_MAX_10_EXP__ 308
-#endif
-/* APPLE LOCAl end MW compatibility */
-
-/* Copyright (C) 2002 Free Software Foundation, Inc.
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC 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 General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-/* As a special exception, if you include this header file into source
- files compiled by GCC, this header file does not by itself cause
- the resulting executable to be covered by the GNU General Public
- License. This exception does not however invalidate any other
- reasons why the executable file might be covered by the GNU General
- Public License. */
-
-/*
- * ISO C Standard: 5.2.4.2.2 Characteristics of floating types <float.h>
- */
-
-
-/* Radix of exponent representation, b. */
-#undef FLT_RADIX
-#define FLT_RADIX __FLT_RADIX__
-
-/* Number of base-FLT_RADIX digits in the significand, p. */
-#undef FLT_MANT_DIG
-#undef DBL_MANT_DIG
-#undef LDBL_MANT_DIG
-#define FLT_MANT_DIG __FLT_MANT_DIG__
-#define DBL_MANT_DIG __DBL_MANT_DIG__
-#define LDBL_MANT_DIG __LDBL_MANT_DIG__
-
-/* Number of decimal digits, q, such that any floating-point number with q
- decimal digits can be rounded into a floating-point number with p radix b
- digits and back again without change to the q decimal digits,
-
- p * log10(b) if b is a power of 10
- floor((p - 1) * log10(b)) otherwise
-*/
-#undef FLT_DIG
-#undef DBL_DIG
-#undef LDBL_DIG
-#define FLT_DIG __FLT_DIG__
-#define DBL_DIG __DBL_DIG__
-#define LDBL_DIG __LDBL_DIG__
-
-/* Minimum int x such that FLT_RADIX**(x-1) is a normalized float, emin */
-#undef FLT_MIN_EXP
-#undef DBL_MIN_EXP
-#undef LDBL_MIN_EXP
-#define FLT_MIN_EXP __FLT_MIN_EXP__
-#define DBL_MIN_EXP __DBL_MIN_EXP__
-#define LDBL_MIN_EXP __LDBL_MIN_EXP__
-
-/* Minimum negative integer such that 10 raised to that power is in the
- range of normalized floating-point numbers,
-
- ceil(log10(b) * (emin - 1))
-*/
-#undef FLT_MIN_10_EXP
-#undef DBL_MIN_10_EXP
-#undef LDBL_MIN_10_EXP
-#define FLT_MIN_10_EXP __FLT_MIN_10_EXP__
-#define DBL_MIN_10_EXP __DBL_MIN_10_EXP__
-#define LDBL_MIN_10_EXP __LDBL_MIN_10_EXP__
-
-/* Maximum int x such that FLT_RADIX**(x-1) is a representable float, emax. */
-#undef FLT_MAX_EXP
-#undef DBL_MAX_EXP
-#undef LDBL_MAX_EXP
-#define FLT_MAX_EXP __FLT_MAX_EXP__
-#define DBL_MAX_EXP __DBL_MAX_EXP__
-#define LDBL_MAX_EXP __LDBL_MAX_EXP__
-
-/* Maximum integer such that 10 raised to that power is in the range of
- representable finite floating-point numbers,
-
- floor(log10((1 - b**-p) * b**emax))
-*/
-#undef FLT_MAX_10_EXP
-#undef DBL_MAX_10_EXP
-#undef LDBL_MAX_10_EXP
-#define FLT_MAX_10_EXP __FLT_MAX_10_EXP__
-#define DBL_MAX_10_EXP __DBL_MAX_10_EXP__
-#define LDBL_MAX_10_EXP __LDBL_MAX_10_EXP__
-
-/* Maximum representable finite floating-point number,
-
- (1 - b**-p) * b**emax
-*/
-#undef FLT_MAX
-#undef DBL_MAX
-#undef LDBL_MAX
-#define FLT_MAX __FLT_MAX__
-#define DBL_MAX __DBL_MAX__
-#define LDBL_MAX __LDBL_MAX__
-
-/* The difference between 1 and the least value greater than 1 that is
- representable in the given floating point type, b**1-p. */
-#undef FLT_EPSILON
-#undef DBL_EPSILON
-#undef LDBL_EPSILON
-#define FLT_EPSILON __FLT_EPSILON__
-#define DBL_EPSILON __DBL_EPSILON__
-#define LDBL_EPSILON __LDBL_EPSILON__
-
-/* Minimum normalized positive floating-point number, b**(emin - 1). */
-#undef FLT_MIN
-#undef DBL_MIN
-#undef LDBL_MIN
-#define FLT_MIN __FLT_MIN__
-#define DBL_MIN __DBL_MIN__
-#define LDBL_MIN __LDBL_MIN__
-
-/* Addition rounds to 0: zero, 1: nearest, 2: +inf, 3: -inf, -1: unknown. */
-/* ??? This is supposed to change with calls to fesetround in <fenv.h>. */
-#undef FLT_ROUNDS
-#define FLT_ROUNDS 1
-
-#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-/* The floating-point expression evaluation method.
- -1 indeterminate
- 0 evaluate all operations and constants just to the range and
- precision of the type
- 1 evaluate operations and constants of type float and double
- to the range and precision of the double type, evaluate
- long double operations and constants to the range and
- precision of the long double type
- 2 evaluate all operations and constants to the range and
- precision of the long double type
-
- ??? This ought to change with the setting of the fp control word;
- the value provided by the compiler assumes the widest setting. */
-#undef FLT_EVAL_METHOD
-#define FLT_EVAL_METHOD __FLT_EVAL_METHOD__
-
-/* Number of decimal digits, n, such that any floating-point number in the
- widest supported floating type with pmax radix b digits can be rounded
- to a floating-point number with n decimal digits and back again without
- change to the value,
-
- pmax * log10(b) if b is a power of 10
- ceil(1 + pmax * log10(b)) otherwise
-*/
-#undef DECIMAL_DIG
-#define DECIMAL_DIG __DECIMAL_DIG__
-
-#endif /* C99 */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-extern int __fegetfltrounds( void );
-#ifdef __cplusplus
-}
-#endif
-#undef FLT_ROUNDS
-#define FLT_ROUNDS (__fegetfltrounds ())
-/* End of GNU CC file */
-
-/* APPLE LOCAL begin CW compatibility */
-/* CodeWarrior defines the following on its own. */
-#undef DECIMAL_DIG
-/* APPLE LOCAL end CW compatibility */
-
-#else
-#error This file is only for Metrowerks compatibilty.
-#endif
-
-#endif /* _FLOAT_H_ */
projects / apple / libc.git / blobdiff