1/* $OpenBSD: float.h,v 1.1 2012/06/26 16:16:16 deraadt Exp $ */ 2 3/* 4 * Copyright (c) 1989 Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#ifndef _FLOAT_H_ 33#define _FLOAT_H_ 34 35#include <sys/cdefs.h> 36#include <machine/_float.h> 37 38__BEGIN_DECLS 39int __flt_rounds(void); 40__END_DECLS 41 42#define FLT_RADIX __FLT_RADIX /* b */ 43#define FLT_ROUNDS __FLT_ROUNDS 44 45#if __ISO_C_VISIBLE >= 1999 46#define FLT_EVAL_METHOD __FLT_EVAL_METHOD /* long double */ 47#endif 48 49#define FLT_MANT_DIG __FLT_MANT_DIG /* p */ 50#define FLT_EPSILON __FLT_EPSILON /* b**(1-p) */ 51#ifndef FLT_DIG 52#define FLT_DIG __FLT_DIG /* floor((p-1)*log10(b))+(b == 10) */ 53#endif 54#define FLT_MIN_EXP __FLT_MIN_EXP /* emin */ 55#ifndef FLT_MIN 56#define FLT_MIN __FLT_MIN /* b**(emin-1) */ 57#endif 58#define FLT_MIN_10_EXP __FLT_MIN_10_EXP /* ceil(log10(b**(emin-1))) */ 59#define FLT_MAX_EXP __FLT_MAX_EXP /* emax */ 60#ifndef FLT_MAX 61#define FLT_MAX __FLT_MAX /* (1-b**(-p))*b**emax */ 62#endif 63#define FLT_MAX_10_EXP __FLT_MAX_10_EXP /* floor(log10((1-b**(-p))*b**emax)) */ 64 65#define DBL_MANT_DIG __DBL_MANT_DIG 66#define DBL_EPSILON __DBL_EPSILON 67#ifndef DBL_DIG 68#define DBL_DIG __DBL_DIG 69#endif 70#define DBL_MIN_EXP __DBL_MIN_EXP 71#ifndef DBL_MIN 72#define DBL_MIN __DBL_MIN 73#endif 74#define DBL_MIN_10_EXP __DBL_MIN_10_EXP 75#define DBL_MAX_EXP __DBL_MAX_EXP 76#ifndef DBL_MAX 77#define DBL_MAX __DBL_MAX 78#endif 79#define DBL_MAX_10_EXP __DBL_MAX_10_EXP 80 81#define LDBL_MANT_DIG __LDBL_MANT_DIG 82#define LDBL_EPSILON __LDBL_EPSILON 83#define LDBL_DIG __LDBL_DIG 84#define LDBL_MIN_EXP __LDBL_MIN_EXP 85#define LDBL_MIN __LDBL_MIN 86#define LDBL_MIN_10_EXP __LDBL_MIN_10_EXP 87#define LDBL_MAX_EXP __LDBL_MAX_EXP 88#define LDBL_MAX __LDBL_MAX 89#define LDBL_MAX_10_EXP __LDBL_MAX_10_EXP 90 91#if __ISO_C_VISIBLE >= 1999 92#define DECIMAL_DIG __DECIMAL_DIG 93#endif 94 95#endif /* _FLOAT_H_ */ 96