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- /* $OpenBSD: float.h,v 1.3 2008/07/21 20:50:54 martynas Exp $ */
- /* $NetBSD: float.h,v 1.8 1995/06/20 20:45:37 jtc Exp $ */
- /*
- * Copyright (c) 1989 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)float.h 7.1 (Berkeley) 5/8/90
- */
- #ifndef _FLOAT_H_
- #define _FLOAT_H_
- #include <sys/cdefs.h>
- #define FLT_RADIX 2 /* b */
- // The rounding direction can be specified by fesetround() in <fenv.h>
- #define FLT_ROUNDS 1 /* addition rounding: near */
- #define DECIMAL_DIG 21 /* max precision in decimal digits */
- // NOTE: FLT_EVAL_METHOD is -1 under FREEBSD x86.
- #ifdef __i386__
- #define FLT_EVAL_METHOD 2 /* long double */
- #else
- #define FLT_EVAL_METHOD 0 /* no promotions */
- #endif
- #define DBL_MANT_DIG 53
- #define DBL_EPSILON 2.2204460492503131E-16
- #define DBL_DIG 15
- #define DBL_MIN_EXP (-1021)
- #define DBL_MIN 2.2250738585072014E-308
- #define DBL_MIN_10_EXP (-307)
- #define DBL_MAX_EXP 1024
- #define DBL_MAX_10_EXP 308
- #define FLT_MANT_DIG 24 /* p */
- #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */
- #define FLT_MIN_EXP (-125) /* emin */
- #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */
- #define FLT_MAX_EXP 128 /* emax */
- #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */
- #define DBL_MAX 1.7976931348623157E+308
- #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */
- #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */
- #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */
- #define LDBL_MANT_DIG 64
- #define LDBL_EPSILON 1.08420217248550443401e-19L
- #define LDBL_DIG 18
- #define LDBL_MIN_EXP (-16381)
- #define LDBL_MIN 3.36210314311209350626e-4932L
- #define LDBL_MIN_10_EXP (-4931)
- #define LDBL_MAX_EXP 16384
- #define LDBL_MAX 1.18973149535723176502e+4932L
- #define LDBL_MAX_10_EXP 4932
- #endif /* _FLOAT_H_ */
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