float.h revision 117395
1314817Sngie/* 2272343Sngie * Copyright (c) 1989 Regents of the University of California. 3272343Sngie * All rights reserved. 4272343Sngie * 5272343Sngie * Redistribution and use in source and binary forms, with or without 6272343Sngie * modification, are permitted provided that the following conditions 7272343Sngie * are met: 8272343Sngie * 1. Redistributions of source code must retain the above copyright 9272343Sngie * notice, this list of conditions and the following disclaimer. 10272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 11272343Sngie * notice, this list of conditions and the following disclaimer in the 12272343Sngie * documentation and/or other materials provided with the distribution. 13272343Sngie * 3. All advertising materials mentioning features or use of this software 14272343Sngie * must display the following acknowledgement: 15272343Sngie * This product includes software developed by the University of 16272343Sngie * California, Berkeley and its contributors. 17272343Sngie * 4. Neither the name of the University nor the names of its contributors 18272343Sngie * may be used to endorse or promote products derived from this software 19272343Sngie * without specific prior written permission. 20272343Sngie * 21272343Sngie * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22272343Sngie * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23272343Sngie * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24272343Sngie * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25272343Sngie * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26272343Sngie * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27272343Sngie * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28314817Sngie * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29272343Sngie * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30272343Sngie * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31272343Sngie * SUCH DAMAGE. 32272343Sngie * 33272343Sngie * from: @(#)float.h 7.1 (Berkeley) 5/8/90 34272343Sngie * $FreeBSD: head/sys/amd64/include/float.h 110566 2003-02-08 20:37:55Z mike $ 35272343Sngie */ 36272343Sngie 37272343Sngie#ifndef _MACHINE_FLOAT_H_ 38272343Sngie#define _MACHINE_FLOAT_H_ 1 39272343Sngie 40272343Sngie#define FLT_RADIX 2 /* b */ 41272343Sngie#define FLT_ROUNDS 1 /* FP addition rounds to nearest */ 42272343Sngie#define FLT_EVAL_METHOD (-1) /* i387 semantics are...interesting */ 43272343Sngie#define DECIMAL_DIG 21 /* max precision in decimal digits */ 44272343Sngie 45272343Sngie#define FLT_MANT_DIG 24 /* p */ 46272343Sngie#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 47272343Sngie#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 48272343Sngie#define FLT_MIN_EXP (-125) /* emin */ 49272343Sngie#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 50272343Sngie#define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ 51272343Sngie#define FLT_MAX_EXP 128 /* emax */ 52272343Sngie#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 53272343Sngie#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 54272343Sngie 55272343Sngie#define DBL_MANT_DIG 53 56272343Sngie#define DBL_EPSILON 2.2204460492503131E-16 57272343Sngie#define DBL_DIG 15 58272343Sngie#define DBL_MIN_EXP (-1021) 59272343Sngie#define DBL_MIN 2.2250738585072014E-308 60272343Sngie#define DBL_MIN_10_EXP (-307) 61272343Sngie#define DBL_MAX_EXP 1024 62272343Sngie#define DBL_MAX 1.7976931348623157E+308 63272343Sngie#define DBL_MAX_10_EXP 308 64272343Sngie 65272343Sngie 66272343Sngie#define LDBL_MANT_DIG 64 67272343Sngie#define LDBL_EPSILON 1.0842021724855044340E-19L 68272343Sngie#define LDBL_DIG 18 69272343Sngie#define LDBL_MIN_EXP (-16381) 70272343Sngie#define LDBL_MIN 3.3621031431120935063E-4932L 71272343Sngie#define LDBL_MIN_10_EXP (-4931) 72272343Sngie#define LDBL_MAX_EXP 16384 73272343Sngie#define LDBL_MAX 1.1897314953572317650E+4932L 74272343Sngie#define LDBL_MAX_10_EXP 4932 75272343Sngie#endif /* _MACHINE_FLOAT_H_ */ 76272343Sngie