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