00001 /*- 00002 * Copyright (c) 1989 Regents of the University of California. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. All advertising materials mentioning features or use of this software 00014 * must display the following acknowledgement: 00015 * This product includes software developed by the University of 00016 * California, Berkeley and its contributors. 00017 * 4. Neither the name of the University nor the names of its contributors 00018 * may be used to endorse or promote products derived from this software 00019 * without specific prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 00022 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00023 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00024 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 00025 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00026 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00027 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00028 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00029 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00030 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00031 * SUCH DAMAGE. 00032 * 00033 * from: @(#)float.h 7.1 (Berkeley) 5/8/90 00034 * $FreeBSD: src/sys/arm/include/float.h,v 1.5 2005/03/20 00:34:24 cognet Exp $ 00035 */ 00036 00037 #ifndef _MACHINE_FLOAT_H_ 00038 #define _MACHINE_FLOAT_H_ 1 00039 00040 #include <sys/cdefs.h> 00041 00042 __BEGIN_DECLS 00043 extern int __flt_rounds(void); 00044 __END_DECLS 00045 00046 #define FLT_RADIX 2 /* b */ 00047 #define FLT_ROUNDS -1 00048 #define FLT_EVAL_METHOD (-1) /* XXX */ 00049 #define DECIMAL_DIG 17 /* max precision in decimal digits */ 00050 00051 #define FLT_MANT_DIG 24 /* p */ 00052 #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 00053 #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 00054 #define FLT_MIN_EXP (-125) /* emin */ 00055 #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 00056 #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ 00057 #define FLT_MAX_EXP 128 /* emax */ 00058 #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 00059 #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 00060 00061 #define DBL_MANT_DIG 53 00062 #define DBL_EPSILON 2.2204460492503131E-16 00063 #define DBL_DIG 15 00064 #define DBL_MIN_EXP (-1021) 00065 #define DBL_MIN 2.2250738585072014E-308 00066 #define DBL_MIN_10_EXP (-307) 00067 #define DBL_MAX_EXP 1024 00068 #define DBL_MAX 1.7976931348623157E+308 00069 #define DBL_MAX_10_EXP 308 00070 00071 #define LDBL_MANT_DIG DBL_MANT_DIG 00072 #define LDBL_EPSILON DBL_EPSILON 00073 #define LDBL_DIG DBL_DIG 00074 #define LDBL_MIN_EXP DBL_MIN_EXP 00075 #define LDBL_MIN DBL_MIN 00076 #define LDBL_MIN_10_EXP DBL_MIN_10_EXP 00077 #define LDBL_MAX_EXP DBL_MAX_EXP 00078 #define LDBL_MAX DBL_MAX 00079 #define LDBL_MAX_10_EXP DBL_MAX_10_EXP 00080 #endif /* _MACHINE_FLOAT_H_ */