1a9643ea8Slogwang /*- 2*22ce4affSfengbojiang * SPDX-License-Identifier: BSD-3-Clause 3*22ce4affSfengbojiang * 4a9643ea8Slogwang * Copyright (c) 1989 Regents of the University of California. 5a9643ea8Slogwang * All rights reserved. 6a9643ea8Slogwang * 7a9643ea8Slogwang * Redistribution and use in source and binary forms, with or without 8a9643ea8Slogwang * modification, are permitted provided that the following conditions 9a9643ea8Slogwang * are met: 10a9643ea8Slogwang * 1. Redistributions of source code must retain the above copyright 11a9643ea8Slogwang * notice, this list of conditions and the following disclaimer. 12a9643ea8Slogwang * 2. Redistributions in binary form must reproduce the above copyright 13a9643ea8Slogwang * notice, this list of conditions and the following disclaimer in the 14a9643ea8Slogwang * documentation and/or other materials provided with the distribution. 15a9643ea8Slogwang * 3. Neither the name of the University nor the names of its contributors 16a9643ea8Slogwang * may be used to endorse or promote products derived from this software 17a9643ea8Slogwang * without specific prior written permission. 18a9643ea8Slogwang * 19a9643ea8Slogwang * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20a9643ea8Slogwang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21a9643ea8Slogwang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22a9643ea8Slogwang * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23a9643ea8Slogwang * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24a9643ea8Slogwang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25a9643ea8Slogwang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26a9643ea8Slogwang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27a9643ea8Slogwang * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28a9643ea8Slogwang * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29a9643ea8Slogwang * SUCH DAMAGE. 30a9643ea8Slogwang * 31a9643ea8Slogwang * from: @(#)float.h 7.1 (Berkeley) 5/8/90 32a9643ea8Slogwang * from: src/sys/i386/include/float.h,v 1.8 1999/08/28 00:44:11 peter 33a9643ea8Slogwang * JNPR: float.h,v 1.4 2006/12/02 09:53:41 katta 34a9643ea8Slogwang * $FreeBSD$ 35a9643ea8Slogwang */ 36a9643ea8Slogwang 37a9643ea8Slogwang #ifndef _MACHINE_FLOAT_H_ 38a9643ea8Slogwang #define _MACHINE_FLOAT_H_ 1 39a9643ea8Slogwang 40a9643ea8Slogwang #include <sys/cdefs.h> 41a9643ea8Slogwang 42a9643ea8Slogwang __BEGIN_DECLS 43a9643ea8Slogwang extern int __flt_rounds(void); 44a9643ea8Slogwang __END_DECLS 45a9643ea8Slogwang 46a9643ea8Slogwang #define FLT_RADIX 2 /* b */ 47a9643ea8Slogwang #define FLT_ROUNDS __flt_rounds() /* FP addition rounds to nearest */ 48a9643ea8Slogwang 49a9643ea8Slogwang #if __ISO_C_VISIBLE >= 1999 50a9643ea8Slogwang #define FLT_EVAL_METHOD 0 51a9643ea8Slogwang #define DECIMAL_DIG 17 52a9643ea8Slogwang #endif 53a9643ea8Slogwang 54a9643ea8Slogwang #define FLT_MANT_DIG 24 /* p */ 55a9643ea8Slogwang #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 56a9643ea8Slogwang #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 57a9643ea8Slogwang #define FLT_MIN_EXP (-125) /* emin */ 58a9643ea8Slogwang #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 59a9643ea8Slogwang #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ 60a9643ea8Slogwang #define FLT_MAX_EXP 128 /* emax */ 61a9643ea8Slogwang #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 62a9643ea8Slogwang #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 63a9643ea8Slogwang #if __ISO_C_VISIBLE >= 2011 64a9643ea8Slogwang #define FLT_TRUE_MIN 1.40129846E-45F /* b**(emin-p) */ 65a9643ea8Slogwang #define FLT_DECIMAL_DIG 9 /* ceil(1+p*log10(b)) */ 66a9643ea8Slogwang #define FLT_HAS_SUBNORM 1 67a9643ea8Slogwang #endif /* __ISO_C_VISIBLE >= 2011 */ 68a9643ea8Slogwang 69a9643ea8Slogwang #define DBL_MANT_DIG 53 70a9643ea8Slogwang #define DBL_EPSILON 2.2204460492503131E-16 71a9643ea8Slogwang #define DBL_DIG 15 72a9643ea8Slogwang #define DBL_MIN_EXP (-1021) 73a9643ea8Slogwang #define DBL_MIN 2.2250738585072014E-308 74a9643ea8Slogwang #define DBL_MIN_10_EXP (-307) 75a9643ea8Slogwang #define DBL_MAX_EXP 1024 76a9643ea8Slogwang #define DBL_MAX 1.7976931348623157E+308 77a9643ea8Slogwang #define DBL_MAX_10_EXP 308 78a9643ea8Slogwang #if __ISO_C_VISIBLE >= 2011 79a9643ea8Slogwang #define DBL_TRUE_MIN 4.9406564584124654E-324 80a9643ea8Slogwang #define DBL_DECIMAL_DIG 17 81a9643ea8Slogwang #define DBL_HAS_SUBNORM 1 82a9643ea8Slogwang #endif /* __ISO_C_VISIBLE >= 2011 */ 83a9643ea8Slogwang 84a9643ea8Slogwang #define LDBL_MANT_DIG DBL_MANT_DIG 85a9643ea8Slogwang #define LDBL_EPSILON ((long double)DBL_EPSILON) 86a9643ea8Slogwang #define LDBL_DIG DBL_DIG 87a9643ea8Slogwang #define LDBL_MIN_EXP DBL_MIN_EXP 88a9643ea8Slogwang #define LDBL_MIN ((long double)DBL_MIN) 89a9643ea8Slogwang #define LDBL_MIN_10_EXP DBL_MIN_10_EXP 90a9643ea8Slogwang #define LDBL_MAX_EXP DBL_MAX_EXP 91a9643ea8Slogwang #define LDBL_MAX ((long double)DBL_MAX) 92a9643ea8Slogwang #define LDBL_MAX_10_EXP DBL_MAX_10_EXP 93a9643ea8Slogwang #if __ISO_C_VISIBLE >= 2011 94a9643ea8Slogwang #define LDBL_TRUE_MIN ((long double)DBL_TRUE_MIN) 95a9643ea8Slogwang #define LDBL_DECIMAL_DIG DBL_DECIMAL_DIG 96a9643ea8Slogwang #define LDBL_HAS_SUBNORM DBL_HAS_SUBNORM 97a9643ea8Slogwang #endif /* __ISO_C_VISIBLE >= 2011 */ 98a9643ea8Slogwang 99a9643ea8Slogwang #endif /* _MACHINE_FLOAT_H_ */ 100