146280ae7SWarner Losh /*- 25b81b6b3SRodney W. Grimes * Copyright (c) 1989 Regents of the University of California. 35b81b6b3SRodney W. Grimes * All rights reserved. 45b81b6b3SRodney W. Grimes * 55b81b6b3SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 65b81b6b3SRodney W. Grimes * modification, are permitted provided that the following conditions 75b81b6b3SRodney W. Grimes * are met: 85b81b6b3SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 95b81b6b3SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 105b81b6b3SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 115b81b6b3SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 125b81b6b3SRodney W. Grimes * documentation and/or other materials provided with the distribution. 135b81b6b3SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 145b81b6b3SRodney W. Grimes * may be used to endorse or promote products derived from this software 155b81b6b3SRodney W. Grimes * without specific prior written permission. 165b81b6b3SRodney W. Grimes * 175b81b6b3SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 185b81b6b3SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 195b81b6b3SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 205b81b6b3SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 215b81b6b3SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 225b81b6b3SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 235b81b6b3SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 245b81b6b3SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 255b81b6b3SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 265b81b6b3SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 275b81b6b3SRodney W. Grimes * SUCH DAMAGE. 285b81b6b3SRodney W. Grimes * 2934a8ed1bSRodney W. Grimes * from: @(#)float.h 7.1 (Berkeley) 5/8/90 30c3aac50fSPeter Wemm * $FreeBSD$ 315b81b6b3SRodney W. Grimes */ 325b81b6b3SRodney W. Grimes 336e393973SGarrett Wollman #ifndef _MACHINE_FLOAT_H_ 346e393973SGarrett Wollman #define _MACHINE_FLOAT_H_ 1 356e393973SGarrett Wollman 36be393068SDavid Schultz #include <sys/cdefs.h> 37be393068SDavid Schultz 38479f8d22SDavid Schultz __BEGIN_DECLS 39479f8d22SDavid Schultz extern int __flt_rounds(void); 40479f8d22SDavid Schultz __END_DECLS 41479f8d22SDavid Schultz 425b81b6b3SRodney W. Grimes #define FLT_RADIX 2 /* b */ 43479f8d22SDavid Schultz #define FLT_ROUNDS __flt_rounds() 44be393068SDavid Schultz #if __ISO_C_VISIBLE >= 1999 458cf5ed51SMike Barcroft #define FLT_EVAL_METHOD (-1) /* i387 semantics are...interesting */ 468cf5ed51SMike Barcroft #define DECIMAL_DIG 21 /* max precision in decimal digits */ 47be393068SDavid Schultz #endif 485b81b6b3SRodney W. Grimes 495b81b6b3SRodney W. Grimes #define FLT_MANT_DIG 24 /* p */ 505b81b6b3SRodney W. Grimes #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 515b81b6b3SRodney W. Grimes #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 52beb7ebb0SNate Williams #define FLT_MIN_EXP (-125) /* emin */ 535b81b6b3SRodney W. Grimes #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 54beb7ebb0SNate Williams #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ 555b81b6b3SRodney W. Grimes #define FLT_MAX_EXP 128 /* emax */ 565b81b6b3SRodney W. Grimes #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 575b81b6b3SRodney W. Grimes #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 585b81b6b3SRodney W. Grimes 595b81b6b3SRodney W. Grimes #define DBL_MANT_DIG 53 605b81b6b3SRodney W. Grimes #define DBL_EPSILON 2.2204460492503131E-16 615b81b6b3SRodney W. Grimes #define DBL_DIG 15 62beb7ebb0SNate Williams #define DBL_MIN_EXP (-1021) 63330b1513SNate Williams #define DBL_MIN 2.2250738585072014E-308 64beb7ebb0SNate Williams #define DBL_MIN_10_EXP (-307) 655b81b6b3SRodney W. Grimes #define DBL_MAX_EXP 1024 66330b1513SNate Williams #define DBL_MAX 1.7976931348623157E+308 675b81b6b3SRodney W. Grimes #define DBL_MAX_10_EXP 308 685b81b6b3SRodney W. Grimes 69d7937918SWarner Losh #define LDBL_MANT_DIG 64 70d7937918SWarner Losh #define LDBL_EPSILON 1.0842021724855044340E-19L 71d7937918SWarner Losh #define LDBL_DIG 18 72d7937918SWarner Losh #define LDBL_MIN_EXP (-16381) 73d7937918SWarner Losh #define LDBL_MIN 3.3621031431120935063E-4932L 74d7937918SWarner Losh #define LDBL_MIN_10_EXP (-4931) 75d7937918SWarner Losh #define LDBL_MAX_EXP 16384 76d7937918SWarner Losh #define LDBL_MAX 1.1897314953572317650E+4932L 77d7937918SWarner Losh #define LDBL_MAX_10_EXP 4932 786e393973SGarrett Wollman #endif /* _MACHINE_FLOAT_H_ */ 79