epoc32/include/tools/stlport/float.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:27:01 +0100
branchSymbian2
changeset 3 e1b950c65cb4
parent 2 epoc32/include/stdapis/float.h@2fe1408b6811
child 4 837f303aceeb
permissions -rw-r--r--
Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations
     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  * 4. Neither the name of the University nor the names of its contributors
    14  *    may be used to endorse or promote products derived from this software
    15  *    without specific prior written permission.
    16  *
    17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    27  * SUCH DAMAGE.
    28  *
    29  *	from: @(#)float.h	7.1 (Berkeley) 5/8/90
    30  * $FreeBSD: src/sys/arm/include/float.h,v 1.5 2005/03/20 00:34:24 cognet Exp $
    31  */
    32 
    33 #ifndef _MACHINE_FLOAT_H_
    34 #define _MACHINE_FLOAT_H_ 1
    35 
    36 #include <sys/cdefs.h>
    37 
    38 __BEGIN_DECLS
    39 extern int __flt_rounds(void);
    40 __END_DECLS
    41 
    42 #define FLT_RADIX	2		/* b */
    43 #define FLT_ROUNDS	-1
    44 #define	FLT_EVAL_METHOD	(-1)		/* XXX */
    45 #define	DECIMAL_DIG	17		/* max precision in decimal digits */
    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	DBL_MANT_DIG
    68 #define LDBL_EPSILON	DBL_EPSILON
    69 #define LDBL_DIG	DBL_DIG
    70 #define LDBL_MIN_EXP	DBL_MIN_EXP
    71 #define LDBL_MIN	DBL_MIN
    72 #define LDBL_MIN_10_EXP	DBL_MIN_10_EXP
    73 #define LDBL_MAX_EXP	DBL_MAX_EXP
    74 #define LDBL_MAX	DBL_MAX
    75 #define LDBL_MAX_10_EXP	DBL_MAX_10_EXP
    76 #endif /* _MACHINE_FLOAT_H_ */