1*91f16700Schasinglulu /*- 2*91f16700Schasinglulu * Copyright (c) 1989 Regents of the University of California. 3*91f16700Schasinglulu * All rights reserved. 4*91f16700Schasinglulu * 5*91f16700Schasinglulu * Redistribution and use in source and binary forms, with or without 6*91f16700Schasinglulu * modification, are permitted provided that the following conditions 7*91f16700Schasinglulu * are met: 8*91f16700Schasinglulu * 1. Redistributions of source code must retain the above copyright 9*91f16700Schasinglulu * notice, this list of conditions and the following disclaimer. 10*91f16700Schasinglulu * 2. Redistributions in binary form must reproduce the above copyright 11*91f16700Schasinglulu * notice, this list of conditions and the following disclaimer in the 12*91f16700Schasinglulu * documentation and/or other materials provided with the distribution. 13*91f16700Schasinglulu * 3. Neither the name of the University nor the names of its contributors 14*91f16700Schasinglulu * may be used to endorse or promote products derived from this software 15*91f16700Schasinglulu * without specific prior written permission. 16*91f16700Schasinglulu * 17*91f16700Schasinglulu * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18*91f16700Schasinglulu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*91f16700Schasinglulu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*91f16700Schasinglulu * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21*91f16700Schasinglulu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*91f16700Schasinglulu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*91f16700Schasinglulu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*91f16700Schasinglulu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*91f16700Schasinglulu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*91f16700Schasinglulu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*91f16700Schasinglulu * SUCH DAMAGE. 28*91f16700Schasinglulu * 29*91f16700Schasinglulu * from: @(#)float.h 7.1 (Berkeley) 5/8/90 30*91f16700Schasinglulu * $FreeBSD$ 31*91f16700Schasinglulu */ 32*91f16700Schasinglulu 33*91f16700Schasinglulu #ifndef _MACHINE_FLOAT_H_ 34*91f16700Schasinglulu #define _MACHINE_FLOAT_H_ 35*91f16700Schasinglulu 36*91f16700Schasinglulu #include <sys/cdefs.h> 37*91f16700Schasinglulu 38*91f16700Schasinglulu __BEGIN_DECLS 39*91f16700Schasinglulu extern int __flt_rounds(void); 40*91f16700Schasinglulu __END_DECLS 41*91f16700Schasinglulu 42*91f16700Schasinglulu #define FLT_RADIX 2 /* b */ 43*91f16700Schasinglulu #define FLT_ROUNDS __flt_rounds() 44*91f16700Schasinglulu #if __ISO_C_VISIBLE >= 1999 45*91f16700Schasinglulu #define FLT_EVAL_METHOD 0 46*91f16700Schasinglulu #define DECIMAL_DIG 17 /* max precision in decimal digits */ 47*91f16700Schasinglulu #endif 48*91f16700Schasinglulu 49*91f16700Schasinglulu #define FLT_MANT_DIG 24 /* p */ 50*91f16700Schasinglulu #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 51*91f16700Schasinglulu #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 52*91f16700Schasinglulu #define FLT_MIN_EXP (-125) /* emin */ 53*91f16700Schasinglulu #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 54*91f16700Schasinglulu #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ 55*91f16700Schasinglulu #define FLT_MAX_EXP 128 /* emax */ 56*91f16700Schasinglulu #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 57*91f16700Schasinglulu #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 58*91f16700Schasinglulu #if __ISO_C_VISIBLE >= 2011 59*91f16700Schasinglulu #define FLT_TRUE_MIN 1.40129846E-45F /* b**(emin-p) */ 60*91f16700Schasinglulu #define FLT_DECIMAL_DIG 9 /* ceil(1+p*log10(b)) */ 61*91f16700Schasinglulu #define FLT_HAS_SUBNORM 1 62*91f16700Schasinglulu #endif /* __ISO_C_VISIBLE >= 2011 */ 63*91f16700Schasinglulu 64*91f16700Schasinglulu #define DBL_MANT_DIG 53 65*91f16700Schasinglulu #define DBL_EPSILON 2.2204460492503131E-16 66*91f16700Schasinglulu #define DBL_DIG 15 67*91f16700Schasinglulu #define DBL_MIN_EXP (-1021) 68*91f16700Schasinglulu #define DBL_MIN 2.2250738585072014E-308 69*91f16700Schasinglulu #define DBL_MIN_10_EXP (-307) 70*91f16700Schasinglulu #define DBL_MAX_EXP 1024 71*91f16700Schasinglulu #define DBL_MAX 1.7976931348623157E+308 72*91f16700Schasinglulu #define DBL_MAX_10_EXP 308 73*91f16700Schasinglulu #if __ISO_C_VISIBLE >= 2011 74*91f16700Schasinglulu #define DBL_TRUE_MIN 4.9406564584124654E-324 75*91f16700Schasinglulu #define DBL_DECIMAL_DIG 17 76*91f16700Schasinglulu #define DBL_HAS_SUBNORM 1 77*91f16700Schasinglulu #endif /* __ISO_C_VISIBLE >= 2011 */ 78*91f16700Schasinglulu 79*91f16700Schasinglulu #define LDBL_MANT_DIG 113 80*91f16700Schasinglulu #define LDBL_EPSILON 1.925929944387235853055977942584927319E-34L 81*91f16700Schasinglulu #define LDBL_DIG 33 82*91f16700Schasinglulu #define LDBL_MIN_EXP (-16381) 83*91f16700Schasinglulu #define LDBL_MIN 3.362103143112093506262677817321752603E-4932L 84*91f16700Schasinglulu #define LDBL_MIN_10_EXP (-4931) 85*91f16700Schasinglulu #define LDBL_MAX_EXP (+16384) 86*91f16700Schasinglulu #define LDBL_MAX 1.189731495357231765085759326628007016E+4932L 87*91f16700Schasinglulu #define LDBL_MAX_10_EXP (+4932) 88*91f16700Schasinglulu #if __ISO_C_VISIBLE >= 2011 89*91f16700Schasinglulu #define LDBL_TRUE_MIN 6.475175119438025110924438958227646552E-4966L 90*91f16700Schasinglulu #define LDBL_DECIMAL_DIG 36 91*91f16700Schasinglulu #define LDBL_HAS_SUBNORM 1 92*91f16700Schasinglulu #endif /* __ISO_C_VISIBLE >= 2011 */ 93*91f16700Schasinglulu 94*91f16700Schasinglulu #endif /* _MACHINE_FLOAT_H_ */ 95