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Annotation of sys/arch/amd64/include/float.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: float.h,v 1.2 2006/10/01 18:16:54 kettenis Exp $      */
                      2: /*     $NetBSD: float.h,v 1.8 1995/06/20 20:45:37 jtc Exp $    */
                      3:
                      4: /*
                      5:  * Copyright (c) 1989 Regents of the University of California.
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. Neither the name of the University nor the names of its contributors
                     17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *     @(#)float.h     7.1 (Berkeley) 5/8/90
                     33:  */
                     34:
                     35: #ifndef _I386_FLOAT_H_
                     36: #define _I386_FLOAT_H_
                     37:
                     38: #include <sys/cdefs.h>
                     39:
                     40: __BEGIN_DECLS
                     41: int __flt_rounds(void);
                     42: __END_DECLS
                     43:
                     44: #define FLT_RADIX      2               /* b */
                     45: #define FLT_ROUNDS     __flt_rounds()
                     46:
                     47: #define FLT_MANT_DIG   24              /* p */
                     48: #define FLT_EPSILON    1.19209290E-07F /* b**(1-p) */
                     49: #define FLT_DIG                6               /* floor((p-1)*log10(b))+(b == 10) */
                     50: #define FLT_MIN_EXP    (-125)          /* emin */
                     51: #define FLT_MIN                1.17549435E-38F /* b**(emin-1) */
                     52: #define FLT_MIN_10_EXP (-37)           /* ceil(log10(b**(emin-1))) */
                     53: #define FLT_MAX_EXP    128             /* emax */
                     54: #define FLT_MAX                3.40282347E+38F /* (1-b**(-p))*b**emax */
                     55: #define FLT_MAX_10_EXP 38              /* floor(log10((1-b**(-p))*b**emax)) */
                     56:
                     57: #define DBL_MANT_DIG   53
                     58: #define DBL_EPSILON    2.2204460492503131E-16
                     59: #define DBL_DIG                15
                     60: #define DBL_MIN_EXP    (-1021)
                     61: #define DBL_MIN                2.2250738585072014E-308
                     62: #define DBL_MIN_10_EXP (-307)
                     63: #define DBL_MAX_EXP    1024
                     64: #define DBL_MAX                1.7976931348623157E+308
                     65: #define DBL_MAX_10_EXP 308
                     66:
                     67: #define LDBL_MANT_DIG  64
                     68: #define LDBL_EPSILON   1.08420217248550443401e-19L
                     69: #define LDBL_DIG       18
                     70: #define LDBL_MIN_EXP   (-16381)
                     71: #define LDBL_MIN       3.36210314311209350626e-4932L
                     72: #define LDBL_MIN_10_EXP        (-4931)
                     73: #define LDBL_MAX_EXP   16384
                     74: #define LDBL_MAX       1.18973149535723176502e+4932L
                     75: #define LDBL_MAX_10_EXP        4932
                     76:
                     77: #endif /* _I386_FLOAT_H_ */