X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=includes%2Ffloat.h;h=7c0136afff081053f6900068afddf033a07c80e0;hb=4c805021b487dff9bfc6341c998ba99636416ae7;hp=d9696ac1cfc2998fcd4af903966241553aee548c;hpb=1d9d92ba957a0b8307c9a65c35867fde68e6533b;p=pdclib diff --git a/includes/float.h b/includes/float.h index d9696ac..7c0136a 100644 --- a/includes/float.h +++ b/includes/float.h @@ -1,28 +1,86 @@ -/* ---------------------------------------------------------------------------- - * $Id$ - * ---------------------------------------------------------------------------- - * Public Domain C Library - http://pdclib.sourceforge.net - * This code is Public Domain. Use, modify, and redistribute at will. - * ---------------------------------------------------------------------------- - * Characteristics of floating types - * ---------------------------------------------------------------------------- - * This header is part of a freestanding implementation - * --------------------------------------------------------------------------*/ - -#ifndef _FLOAT_H -#define _FLOAT_H _FLOAT_H - -/* This file is part of the platform personality, and is commonly generated - using the enquire utility (included). */ - -/* Defines: - * FLT_RADIX, FLT_ROUNDS, FLT_EVAL_METHOD, DECIMAL_DIG, - * DBL_DIG, DBL_EPSILON, DBL_MANT_DIG, DBL_MAX, DBL_MAX_10_EXP, DBL_MAX_EXP, - * DBL_MIN, DBL_MIN_10_EXP, DBL_MIN_EXP, - * FLT_DIG, FLT_EPSILON, FLT_MANT_DIG, FLT_MAX, FLT_MAX_10_EXP, FLT_MAX_EXP, - * FLT_MIN, FLT_MIN_10_EXP, FLT_MIN_EXP, - * LDBL_DIG, LDBL_EPSILON, LDBL_MANT_DIG, LDBL_MAX, LDBL_MAX_10_EXP, - * LDBL_MAX_EXP, LDBL_MIN, LDBL_MIN_10_EXP, LDBL_MIN_EXP - */ - -#endif /* _FLOAT_H */ +/* $Id$ */ + +/* Release $Name$ */ + +/* 7.7 Characteristics of floating types + + This file is part of the Public Domain C Library (PDCLib). + Permission is granted to use, modify, and / or redistribute at will. +*/ + +#ifndef _PDCLIB_FLOAT_H +#define _PDCLIB_FLOAT_H _PDCLIB_FLOAT_H + +#ifndef _PDCLIB_CONFIG_H +#define _PDCLIB_CONFIG_H _PDCLIB_CONFIG_H +#include <_PDCLIB_config.h> +#endif + +#define FLT_ROUNDS _PDCLIB_FLT_ROUNDS +#define FLT_EVAL_METHOD _PDCLIB_FLT_EVAL_METHOD +#define DECIMAL_DIG _PDCLIB_DECIMAL_DIG + +/* Produced by enquire version 5.1a, CWI, Amsterdam + http://www.cwi.nl/~steven/enquire.html */ + + /* Radix of exponent representation */ +#define FLT_RADIX 2 + /* Number of base-FLT_RADIX digits in the significand of a float */ +#define FLT_MANT_DIG 24 + /* Number of decimal digits of precision in a float */ +#define FLT_DIG 6 + /* Difference between 1.0 and the minimum float greater than 1.0 */ +#define FLT_EPSILON 1.19209290e-07F + /* Minimum int x such that FLT_RADIX**(x-1) is a normalised float */ +#define FLT_MIN_EXP (-125) + /* Minimum normalised float */ +#define FLT_MIN 1.17549435e-38F + /* Minimum int x such that 10**x is a normalised float */ +#define FLT_MIN_10_EXP (-37) + /* Maximum int x such that FLT_RADIX**(x-1) is a representable float */ +#define FLT_MAX_EXP 128 + /* Maximum float */ +#define FLT_MAX 3.40282347e+38F + /* Maximum int x such that 10**x is a representable float */ +#define FLT_MAX_10_EXP 38 + + /* Number of base-FLT_RADIX digits in the significand of a double */ +#define DBL_MANT_DIG 53 + /* Number of decimal digits of precision in a double */ +#define DBL_DIG 15 + /* Difference between 1.0 and the minimum double greater than 1.0 */ +#define DBL_EPSILON 2.2204460492503131e-16 + /* Minimum int x such that FLT_RADIX**(x-1) is a normalised double */ +#define DBL_MIN_EXP (-1021) + /* Minimum normalised double */ +#define DBL_MIN 2.2250738585072014e-308 + /* Minimum int x such that 10**x is a normalised double */ +#define DBL_MIN_10_EXP (-307) + /* Maximum int x such that FLT_RADIX**(x-1) is a representable double */ +#define DBL_MAX_EXP 1024 + /* Maximum double */ +#define DBL_MAX 1.7976931348623157e+308 + /* Maximum int x such that 10**x is a representable double */ +#define DBL_MAX_10_EXP 308 + + /* Number of base-FLT_RADIX digits in the significand of a long double */ +#define LDBL_MANT_DIG 113 + /* Number of decimal digits of precision in a long double */ +#define LDBL_DIG 33 + /* Difference between 1.0 and the minimum long double greater than 1.0 */ +#define LDBL_EPSILON 1.92592994438723585305597794258492732e-34L + /* Minimum int x such that FLT_RADIX**(x-1) is a normalised long double */ +#define LDBL_MIN_EXP (-16381) + /* Minimum normalised long double */ +#define LDBL_MIN 3.36210314311209350626267781732175260e-4932L + /* Minimum int x such that 10**x is a normalised long double */ +#define LDBL_MIN_10_EXP (-4931) + /* Maximum int x such that FLT_RADIX**(x-1) is a representable long double */ +#define LDBL_MAX_EXP 16384 + /* Maximum long double */ +#define LDBL_MAX 1.18973149535723176508575932662800702e+4932L + /* Maximum int x such that 10**x is a representable long double */ +#define LDBL_MAX_10_EXP 4932 + +#endif +