1 /** @file 2 Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR> 3 This program and the accompanying materials are licensed and made available under 4 the terms and conditions of the BSD License that accompanies this distribution. 5 The full text of the license may be found at 6 http://opensource.org/licenses/bsd-license. 7 8 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 9 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 10 11 * Copyright (c) 1992, 1993 12 * The Regents of the University of California. All rights reserved. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 3. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)float.h 8.1 (Berkeley) 6/10/93 39 NetBSD: float_ieee754.h,v 1.8 2005/12/11 12:25:20 christos Exp 40 41 * NOTICE: This is not a standalone file. To use it, #include it in 42 * your port's float.h header. 43 **/ 44 45 #ifndef _SYS_FLOAT_IEEE754_H_ 46 #define _SYS_FLOAT_IEEE754_H_ 47 48 #include <sys/EfiCdefs.h> 49 #include <sys/featuretest.h> 50 51 #ifndef FLT_ROUNDS 52 __BEGIN_DECLS 53 extern int __flt_rounds(void); 54 __END_DECLS 55 #define FLT_ROUNDS __flt_rounds() 56 #endif 57 58 #ifndef FLT_EVAL_METHOD 59 #if __GNUC_PREREQ__(3, 3) 60 #define FLT_EVAL_METHOD __FLT_EVAL_METHOD__ 61 #endif /* GCC >= 3.3 */ 62 #endif /* defined(FLT_EVAL_METHOD) */ 63 64 #define FLT_RADIX 2 /* b */ 65 66 #define FLT_MANT_DIG 24 /* p */ 67 #define FLT_EPSILON 1.19209290E-7F /* b**(1-p) */ 68 #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 69 #define FLT_MIN_EXP (-125) /* emin */ 70 #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 71 #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ 72 #define FLT_MAX_EXP 128 /* emax */ 73 //#define FLT_MAX 3.40282347e+38F /* (1-b**(-p))*b**emax */ 74 #define FLT_MAX 3.402823e+38F /* (1-b**(-p))*b**emax */ 75 #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 76 77 #define DBL_MANT_DIG 53 78 #define DBL_EPSILON 2.2204460492503131E-16 79 #define DBL_DIG 15 80 #define DBL_MIN_EXP (-1021) 81 #define DBL_MIN 2.2250738585072014E-308 82 #define DBL_MIN_10_EXP (-307) 83 #define DBL_MAX_EXP 1024 84 #define DBL_MAX 1.7976931348623157E+308 85 #define DBL_MAX_10_EXP 308 86 87 /* 88 * If no extended-precision type is defined by the machine-dependent 89 * header including this, default to `long double' being double-precision. 90 */ 91 #ifndef LDBL_MANT_DIG 92 #define LDBL_MANT_DIG DBL_MANT_DIG 93 #define LDBL_EPSILON DBL_EPSILON 94 #define LDBL_DIG DBL_DIG 95 #define LDBL_MIN_EXP DBL_MIN_EXP 96 #define LDBL_MIN DBL_MIN 97 #define LDBL_MIN_10_EXP DBL_MIN_10_EXP 98 #define LDBL_MAX_EXP DBL_MAX_EXP 99 #define LDBL_MAX DBL_MAX 100 #define LDBL_MAX_10_EXP DBL_MAX_10_EXP 101 102 #define DECIMAL_DIG 17 /* ceil((1+p*log10(b))-(b==10) */ 103 #endif /* LDBL_MANT_DIG */ 104 105 #endif /* _SYS_FLOAT_IEEE754_H_ */ 106
