16ff43c94SPeter Avalos /*- 26ff43c94SPeter Avalos * Copyright (c) 1989 Regents of the University of California. 36ff43c94SPeter Avalos * All rights reserved. 46ff43c94SPeter Avalos * 56ff43c94SPeter Avalos * Redistribution and use in source and binary forms, with or without 66ff43c94SPeter Avalos * modification, are permitted provided that the following conditions 76ff43c94SPeter Avalos * are met: 86ff43c94SPeter Avalos * 1. Redistributions of source code must retain the above copyright 96ff43c94SPeter Avalos * notice, this list of conditions and the following disclaimer. 106ff43c94SPeter Avalos * 2. Redistributions in binary form must reproduce the above copyright 116ff43c94SPeter Avalos * notice, this list of conditions and the following disclaimer in the 126ff43c94SPeter Avalos * documentation and/or other materials provided with the distribution. 13*c66c7e2fSzrj * 3. Neither the name of the University nor the names of its contributors 146ff43c94SPeter Avalos * may be used to endorse or promote products derived from this software 156ff43c94SPeter Avalos * without specific prior written permission. 166ff43c94SPeter Avalos * 176ff43c94SPeter Avalos * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 186ff43c94SPeter Avalos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 196ff43c94SPeter Avalos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 206ff43c94SPeter Avalos * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 216ff43c94SPeter Avalos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 226ff43c94SPeter Avalos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 236ff43c94SPeter Avalos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 246ff43c94SPeter Avalos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 256ff43c94SPeter Avalos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 266ff43c94SPeter Avalos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 276ff43c94SPeter Avalos * SUCH DAMAGE. 286ff43c94SPeter Avalos * 296ff43c94SPeter Avalos * from: @(#)float.h 7.1 (Berkeley) 5/8/90 306ff43c94SPeter Avalos * $FreeBSD: head/sys/x86/include/float.h 235939 2012-05-24 21:44:46Z obrien $ 316ff43c94SPeter Avalos */ 326ff43c94SPeter Avalos 336ff43c94SPeter Avalos #ifndef _FLOAT_H_ 346ff43c94SPeter Avalos #define _FLOAT_H_ 356ff43c94SPeter Avalos 366ff43c94SPeter Avalos #include <sys/cdefs.h> 376ff43c94SPeter Avalos 386ff43c94SPeter Avalos __BEGIN_DECLS 396ff43c94SPeter Avalos extern int __flt_rounds(void); 406ff43c94SPeter Avalos __END_DECLS 416ff43c94SPeter Avalos 426ff43c94SPeter Avalos #define FLT_RADIX 2 /* b */ 436ff43c94SPeter Avalos #define FLT_ROUNDS __flt_rounds() 446ff43c94SPeter Avalos #if __ISO_C_VISIBLE >= 1999 456ff43c94SPeter Avalos #ifdef __LP64__ 466ff43c94SPeter Avalos #define FLT_EVAL_METHOD 0 /* no promotions */ 476ff43c94SPeter Avalos #else 486ff43c94SPeter Avalos #define FLT_EVAL_METHOD (-1) /* i387 semantics are...interesting */ 496ff43c94SPeter Avalos #endif 506ff43c94SPeter Avalos #define DECIMAL_DIG 21 /* max precision in decimal digits */ 516ff43c94SPeter Avalos #endif 526ff43c94SPeter Avalos 536ff43c94SPeter Avalos #define FLT_MANT_DIG 24 /* p */ 546ff43c94SPeter Avalos #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 556ff43c94SPeter Avalos #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 566ff43c94SPeter Avalos #define FLT_MIN_EXP (-125) /* emin */ 576ff43c94SPeter Avalos #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 586ff43c94SPeter Avalos #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ 596ff43c94SPeter Avalos #define FLT_MAX_EXP 128 /* emax */ 606ff43c94SPeter Avalos #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 616ff43c94SPeter Avalos #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 626ff43c94SPeter Avalos #if __ISO_C_VISIBLE >= 2011 636ff43c94SPeter Avalos #define FLT_TRUE_MIN 1.40129846E-45F /* b**(emin-p) */ 646ff43c94SPeter Avalos #define FLT_DECIMAL_DIG 9 /* ceil(1+p*log10(b)) */ 656ff43c94SPeter Avalos #define FLT_HAS_SUBNORM 1 666ff43c94SPeter Avalos #endif /* __ISO_C_VISIBLE >= 2011 */ 676ff43c94SPeter Avalos 686ff43c94SPeter Avalos #define DBL_MANT_DIG 53 696ff43c94SPeter Avalos #define DBL_EPSILON 2.2204460492503131E-16 706ff43c94SPeter Avalos #define DBL_DIG 15 716ff43c94SPeter Avalos #define DBL_MIN_EXP (-1021) 726ff43c94SPeter Avalos #define DBL_MIN 2.2250738585072014E-308 736ff43c94SPeter Avalos #define DBL_MIN_10_EXP (-307) 746ff43c94SPeter Avalos #define DBL_MAX_EXP 1024 756ff43c94SPeter Avalos #define DBL_MAX 1.7976931348623157E+308 766ff43c94SPeter Avalos #define DBL_MAX_10_EXP 308 776ff43c94SPeter Avalos #if __ISO_C_VISIBLE >= 2011 786ff43c94SPeter Avalos #define DBL_TRUE_MIN 4.9406564584124654E-324 796ff43c94SPeter Avalos #define DBL_DECIMAL_DIG 17 806ff43c94SPeter Avalos #define DBL_HAS_SUBNORM 1 816ff43c94SPeter Avalos #endif /* __ISO_C_VISIBLE >= 2011 */ 826ff43c94SPeter Avalos 836ff43c94SPeter Avalos #define LDBL_MANT_DIG 64 846ff43c94SPeter Avalos #define LDBL_EPSILON 1.0842021724855044340E-19L 856ff43c94SPeter Avalos #define LDBL_DIG 18 866ff43c94SPeter Avalos #define LDBL_MIN_EXP (-16381) 876ff43c94SPeter Avalos #define LDBL_MIN 3.3621031431120935063E-4932L 886ff43c94SPeter Avalos #define LDBL_MIN_10_EXP (-4931) 896ff43c94SPeter Avalos #define LDBL_MAX_EXP 16384 906ff43c94SPeter Avalos #define LDBL_MAX 1.1897314953572317650E+4932L 916ff43c94SPeter Avalos #define LDBL_MAX_10_EXP 4932 926ff43c94SPeter Avalos #if __ISO_C_VISIBLE >= 2011 936ff43c94SPeter Avalos #define LDBL_TRUE_MIN 3.6451995318824746025E-4951L 946ff43c94SPeter Avalos #define LDBL_DECIMAL_DIG 21 956ff43c94SPeter Avalos #define LDBL_HAS_SUBNORM 1 966ff43c94SPeter Avalos #endif /* __ISO_C_VISIBLE >= 2011 */ 976ff43c94SPeter Avalos 986ff43c94SPeter Avalos #endif /* _FLOAT_H_ */ 99