gonzui

    1: /*      $OpenBSD: float.h,v 1.5 2011/08/29 13:13:21 kettenis Exp $   */
    2: /*      $NetBSD: float.h,v 1.1 2001/01/10 19:02:06 bjh21 Exp $       */
    3: 
    4: /*
    5:  * Copyright (c) 1992, 1993
    6:  *      The Regents of the University of California.  All rights reserved.
    7:  *
    8:  * This software was developed by the Computer Systems Engineering group
    9:  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
   10:  * contributed to Berkeley.
   11:  *
   12:  * Redistribution and use in source and binary forms, with or without
   13:  * modification, are permitted provided that the following conditions
   14:  * are met:
   15:  * 1. Redistributions of source code must retain the above copyright
   16:  *    notice, this list of conditions and the following disclaimer.
   17:  * 2. Redistributions in binary form must reproduce the above copyright
   18:  *    notice, this list of conditions and the following disclaimer in the
   19:  *    documentation and/or other materials provided with the distribution.
   20:  * 3. Neither the name of the University nor the names of its contributors
   21:  *    may be used to endorse or promote products derived from this software
   22:  *    without specific prior written permission.
   23:  *
   24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   34:  * SUCH DAMAGE.
   35:  *
   36:  *      @(#)float.h  8.1 (Berkeley) 6/11/93
   37:  */
   38: 
   39: #ifndef _ARM_FLOAT_H_
   40: #define _ARM_FLOAT_H_
   41: 
   42: #include <sys/cdefs.h>
   43: 
   44: __BEGIN_DECLS
   45: extern int __flt_rounds (void);
   46: __END_DECLS
   47: 
   48: #define FLT_RADIX       2             /* b */
   49: #define FLT_ROUNDS      __flt_rounds()
   50: #if __ISO_C_VISIBLE >= 1999
   51: #define FLT_EVAL_METHOD 0               /* no promotions */
   52: #endif
   53: 
   54: #define FLT_MANT_DIG    24         /* p */
   55: #define FLT_EPSILON     1.19209290E-7F      /* b**(1-p) */
   56: #define FLT_DIG         6              /* floor((p-1)*log10(b))+(b == 10) */
   57: #define FLT_MIN_EXP     (-125)              /* emin */
   58: #define FLT_MIN         1.17549435E-38F        /* b**(emin-1) */
   59: #define FLT_MIN_10_EXP  (-37)            /* ceil(log10(b**(emin-1))) */
   60: #define FLT_MAX_EXP     128         /* emax */
   61: #define FLT_MAX         3.40282347E+38F        /* (1-b**(-p))*b**emax */
   62: #define FLT_MAX_10_EXP  38               /* floor(log10((1-b**(-p))*b**emax)) */
   63: 
   64: #define DBL_MANT_DIG    53
   65: #define DBL_EPSILON     2.2204460492503131E-16
   66: #define DBL_DIG         15
   67: #define DBL_MIN_EXP     (-1021)
   68: #define DBL_MIN         2.2250738585072014E-308
   69: #define DBL_MIN_10_EXP  (-307)
   70: #define DBL_MAX_EXP     1024
   71: #define DBL_MAX         1.7976931348623157E+308
   72: #define DBL_MAX_10_EXP  308
   73: 
   74: #define LDBL_MANT_DIG   DBL_MANT_DIG
   75: #define LDBL_EPSILON    DBL_EPSILON
   76: #define LDBL_DIG        DBL_DIG
   77: #define LDBL_MIN_EXP    DBL_MIN_EXP
   78: #define LDBL_MIN        DBL_MIN
   79: #define LDBL_MIN_10_EXP DBL_MIN_10_EXP
   80: #define LDBL_MAX_EXP    DBL_MAX_EXP
   81: #define LDBL_MAX        DBL_MAX
   82: #define LDBL_MAX_10_EXP DBL_MAX_10_EXP
   83: 
   84: #if __ISO_C_VISIBLE >= 1999
   85: #define DECIMAL_DIG     17
   86: #endif
   87: 
   88: #endif  /* _ARM_FLOAT_H_ */