1 /* $OpenBSD: float.h,v 1.1 2012/06/26 16:16:16 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 1989 Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef _FLOAT_H_ 33 #define _FLOAT_H_ 34 35 #include <sys/cdefs.h> 36 #include <machine/_float.h> 37 38 __BEGIN_DECLS 39 int __flt_rounds(void); 40 __END_DECLS 41 42 #define FLT_RADIX __FLT_RADIX /* b */ 43 #define FLT_ROUNDS __FLT_ROUNDS 44 45 #if __ISO_C_VISIBLE >= 1999 46 #define FLT_EVAL_METHOD __FLT_EVAL_METHOD /* long double */ 47 #endif 48 49 #define FLT_MANT_DIG __FLT_MANT_DIG /* p */ 50 #define FLT_EPSILON __FLT_EPSILON /* b**(1-p) */ 51 #ifndef FLT_DIG 52 #define FLT_DIG __FLT_DIG /* floor((p-1)*log10(b))+(b == 10) */ 53 #endif 54 #define FLT_MIN_EXP __FLT_MIN_EXP /* emin */ 55 #ifndef FLT_MIN 56 #define FLT_MIN __FLT_MIN /* b**(emin-1) */ 57 #endif 58 #define FLT_MIN_10_EXP __FLT_MIN_10_EXP /* ceil(log10(b**(emin-1))) */ 59 #define FLT_MAX_EXP __FLT_MAX_EXP /* emax */ 60 #ifndef FLT_MAX 61 #define FLT_MAX __FLT_MAX /* (1-b**(-p))*b**emax */ 62 #endif 63 #define FLT_MAX_10_EXP __FLT_MAX_10_EXP /* floor(log10((1-b**(-p))*b**emax)) */ 64 65 #define DBL_MANT_DIG __DBL_MANT_DIG 66 #define DBL_EPSILON __DBL_EPSILON 67 #ifndef DBL_DIG 68 #define DBL_DIG __DBL_DIG 69 #endif 70 #define DBL_MIN_EXP __DBL_MIN_EXP 71 #ifndef DBL_MIN 72 #define DBL_MIN __DBL_MIN 73 #endif 74 #define DBL_MIN_10_EXP __DBL_MIN_10_EXP 75 #define DBL_MAX_EXP __DBL_MAX_EXP 76 #ifndef DBL_MAX 77 #define DBL_MAX __DBL_MAX 78 #endif 79 #define DBL_MAX_10_EXP __DBL_MAX_10_EXP 80 81 #define LDBL_MANT_DIG __LDBL_MANT_DIG 82 #define LDBL_EPSILON __LDBL_EPSILON 83 #define LDBL_DIG __LDBL_DIG 84 #define LDBL_MIN_EXP __LDBL_MIN_EXP 85 #define LDBL_MIN __LDBL_MIN 86 #define LDBL_MIN_10_EXP __LDBL_MIN_10_EXP 87 #define LDBL_MAX_EXP __LDBL_MAX_EXP 88 #define LDBL_MAX __LDBL_MAX 89 #define LDBL_MAX_10_EXP __LDBL_MAX_10_EXP 90 91 #if __ISO_C_VISIBLE >= 1999 92 #define DECIMAL_DIG __DECIMAL_DIG 93 #endif 94 95 #endif /* _FLOAT_H_ */ 96