1 /* $NetBSD: float.h,v 1.8 1998/02/18 11:01:29 mycroft Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * All advertising materials mentioning features or use of this software 12 * must display the following acknowledgement: 13 * This product includes software developed by the University of 14 * California, Lawrence Berkeley Laboratory. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. All advertising materials mentioning features or use of this software 25 * must display the following acknowledgement: 26 * This product includes software developed by the University of 27 * California, Berkeley and its contributors. 28 * 4. Neither the name of the University nor the names of its contributors 29 * may be used to endorse or promote products derived from this software 30 * without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 * 44 * @(#)float.h 8.1 (Berkeley) 6/11/93 45 */ 46 47 #ifndef _SPARC_FLOAT_H_ 48 #define _SPARC_FLOAT_H_ 49 50 #include <sys/cdefs.h> 51 52 __BEGIN_DECLS 53 extern int __flt_rounds __P((void)); 54 __END_DECLS 55 56 #define FLT_RADIX 2 /* b */ 57 #define FLT_ROUNDS __flt_rounds() 58 59 #define FLT_MANT_DIG 24 /* p */ 60 #define FLT_EPSILON 1.19209290E-7F /* b**(1-p) */ 61 #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 62 #define FLT_MIN_EXP (-125) /* emin */ 63 #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 64 #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ 65 #define FLT_MAX_EXP 128 /* emax */ 66 #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 67 #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 68 69 #define DBL_MANT_DIG 53 70 #define DBL_EPSILON 2.2204460492503131E-16 71 #define DBL_DIG 15 72 #define DBL_MIN_EXP (-1021) 73 #define DBL_MIN 2.2250738585072014E-308 74 #define DBL_MIN_10_EXP (-307) 75 #define DBL_MAX_EXP 1024 76 #define DBL_MAX 1.7976931348623157E+308 77 #define DBL_MAX_10_EXP 308 78 79 #define LDBL_MANT_DIG DBL_MANT_DIG 80 #define LDBL_EPSILON DBL_EPSILON 81 #define LDBL_DIG DBL_DIG 82 #define LDBL_MIN_EXP DBL_MIN_EXP 83 #define LDBL_MIN DBL_MIN 84 #define LDBL_MIN_10_EXP DBL_MIN_10_EXP 85 #define LDBL_MAX_EXP DBL_MAX_EXP 86 #define LDBL_MAX DBL_MAX 87 #define LDBL_MAX_10_EXP DBL_MAX_10_EXP 88 89 #endif /* _SPARC_FLOAT_H_ */ 90