1178172Simp/*- 2178172Simp * Copyright (c) 1989 Regents of the University of California. 3178172Simp * All rights reserved. 4178172Simp * 5178172Simp * Redistribution and use in source and binary forms, with or without 6178172Simp * modification, are permitted provided that the following conditions 7178172Simp * are met: 8178172Simp * 1. Redistributions of source code must retain the above copyright 9178172Simp * notice, this list of conditions and the following disclaimer. 10178172Simp * 2. Redistributions in binary form must reproduce the above copyright 11178172Simp * notice, this list of conditions and the following disclaimer in the 12178172Simp * documentation and/or other materials provided with the distribution. 13286327Semaste * 3. Neither the name of the University nor the names of its contributors 14178172Simp * may be used to endorse or promote products derived from this software 15178172Simp * without specific prior written permission. 16178172Simp * 17178172Simp * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18178172Simp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19178172Simp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20178172Simp * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21178172Simp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22178172Simp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23178172Simp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24178172Simp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25178172Simp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26178172Simp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27178172Simp * SUCH DAMAGE. 28178172Simp * 29178172Simp * from: @(#)float.h 7.1 (Berkeley) 5/8/90 30178172Simp * from: src/sys/i386/include/float.h,v 1.8 1999/08/28 00:44:11 peter 31178172Simp * JNPR: float.h,v 1.4 2006/12/02 09:53:41 katta 32178172Simp * $FreeBSD$ 33178172Simp */ 34178172Simp 35178172Simp#ifndef _MACHINE_FLOAT_H_ 36178172Simp#define _MACHINE_FLOAT_H_ 1 37178172Simp 38178172Simp#include <sys/cdefs.h> 39178172Simp 40178172Simp__BEGIN_DECLS 41178172Simpextern int __flt_rounds(void); 42178172Simp__END_DECLS 43178172Simp 44178172Simp#define FLT_RADIX 2 /* b */ 45202031Simp#ifdef CPU_HAVEFPU 46202031Simp#define FLT_ROUNDS __flt_rounds() /* FP addition rounds to nearest */ 47202031Simp#else 48230366Sdas#define FLT_ROUNDS (-1) 49178172Simp#endif 50230199Sdas 51230199Sdas#if __ISO_C_VISIBLE >= 1999 52178748Sgonzo#define FLT_EVAL_METHOD 0 53178748Sgonzo#define DECIMAL_DIG 17 54230199Sdas#endif 55178172Simp 56178172Simp#define FLT_MANT_DIG 24 /* p */ 57178172Simp#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 58178172Simp#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 59178172Simp#define FLT_MIN_EXP (-125) /* emin */ 60178172Simp#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 61178172Simp#define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ 62178172Simp#define FLT_MAX_EXP 128 /* emax */ 63178172Simp#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 64178172Simp#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 65230475Sdas#if __ISO_C_VISIBLE >= 2011 66230475Sdas#define FLT_TRUE_MIN 1.40129846E-45F /* b**(emin-p) */ 67230475Sdas#define FLT_DECIMAL_DIG 9 /* ceil(1+p*log10(b)) */ 68230475Sdas#define FLT_HAS_SUBNORM 1 69230475Sdas#endif /* __ISO_C_VISIBLE >= 2011 */ 70178172Simp 71178172Simp#define DBL_MANT_DIG 53 72178172Simp#define DBL_EPSILON 2.2204460492503131E-16 73178172Simp#define DBL_DIG 15 74178172Simp#define DBL_MIN_EXP (-1021) 75178172Simp#define DBL_MIN 2.2250738585072014E-308 76178172Simp#define DBL_MIN_10_EXP (-307) 77178172Simp#define DBL_MAX_EXP 1024 78178172Simp#define DBL_MAX 1.7976931348623157E+308 79178172Simp#define DBL_MAX_10_EXP 308 80230475Sdas#if __ISO_C_VISIBLE >= 2011 81230475Sdas#define DBL_TRUE_MIN 4.9406564584124654E-324 82230475Sdas#define DBL_DECIMAL_DIG 17 83230475Sdas#define DBL_HAS_SUBNORM 1 84230475Sdas#endif /* __ISO_C_VISIBLE >= 2011 */ 85178172Simp 86178172Simp#define LDBL_MANT_DIG DBL_MANT_DIG 87230366Sdas#define LDBL_EPSILON ((long double)DBL_EPSILON) 88178172Simp#define LDBL_DIG DBL_DIG 89178172Simp#define LDBL_MIN_EXP DBL_MIN_EXP 90230366Sdas#define LDBL_MIN ((long double)DBL_MIN) 91178172Simp#define LDBL_MIN_10_EXP DBL_MIN_10_EXP 92178172Simp#define LDBL_MAX_EXP DBL_MAX_EXP 93230366Sdas#define LDBL_MAX ((long double)DBL_MAX) 94178172Simp#define LDBL_MAX_10_EXP DBL_MAX_10_EXP 95230475Sdas#if __ISO_C_VISIBLE >= 2011 96230475Sdas#define LDBL_TRUE_MIN ((long double)DBL_TRUE_MIN) 97230475Sdas#define LDBL_DECIMAL_DIG DBL_DECIMAL_DIG 98230475Sdas#define LDBL_HAS_SUBNORM DBL_HAS_SUBNORM 99230475Sdas#endif /* __ISO_C_VISIBLE >= 2011 */ 100178172Simp 101178172Simp#endif /* _MACHINE_FLOAT_H_ */ 102