1 /* $OpenBSD: _float.h,v 1.1 2012/06/26 16:12:45 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993, 2001 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * All advertising materials mentioning features or use of this software 12 * must display the following acknowledgement: 13 * This product includes software developed by the University of 14 * California, Lawrence Berkeley Laboratory. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 */ 40 41 #ifndef _MACHINE__FLOAT_H_ 42 #define _MACHINE__FLOAT_H_ 43 44 #define __FLT_RADIX 2 /* b */ 45 #define __FLT_ROUNDS __flt_rounds() 46 #define __FLT_EVAL_METHOD 0 /* no promotions */ 47 48 #define __FLT_MANT_DIG 24 /* p */ 49 #define __FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 50 #define __FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 51 #define __FLT_MIN_EXP -125 /* emin */ 52 #define __FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 53 #define __FLT_MIN_10_EXP -37 /* ceil(log10(b**(emin-1))) */ 54 #define __FLT_MAX_EXP 128 /* emax */ 55 #define __FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 56 #define __FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 57 58 #define __DBL_MANT_DIG 53 59 #define __DBL_EPSILON 2.2204460492503131E-16 60 #define __DBL_DIG 15 61 #define __DBL_MIN_EXP -1021 62 #define __DBL_MIN 2.2250738585072014E-308 63 #define __DBL_MIN_10_EXP -307 64 #define __DBL_MAX_EXP 1024 65 #define __DBL_MAX 1.7976931348623157E+308 66 #define __DBL_MAX_10_EXP 308 67 68 #define __LDBL_MANT_DIG 113 69 #define __LDBL_EPSILON 1.925929944387235853055977942584927319E-34L 70 #define __LDBL_DIG 33 71 #define __LDBL_MIN_EXP (-16381) 72 #define __LDBL_MIN 3.362103143112093506262677817321752603E-4932L 73 #define __LDBL_MIN_10_EXP (-4931) 74 #define __LDBL_MAX_EXP (+16384) 75 #define __LDBL_MAX 1.189731495357231765085759326628007016E+4932L 76 #define __LDBL_MAX_10_EXP (+4932) 77 78 #define __DECIMAL_DIG 36 79 80 #endif /* _MACHINE__FLOAT_H_ */ 81