1 /* $OpenBSD: milieu.h,v 1.1 2002/04/28 20:55:14 pvalchev Exp $ */ 2 /* $NetBSD: milieu.h,v 1.1 2001/04/26 03:10:47 ross Exp $ */ 3 4 /* This is a derivative work. */ 5 6 /*- 7 * Copyright (c) 2001 The NetBSD Foundation, Inc. 8 * All rights reserved. 9 * 10 * This code is derived from software contributed to The NetBSD Foundation 11 * by Ross Harvey. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the NetBSD 24 * Foundation, Inc. and its contributors. 25 * 4. Neither the name of The NetBSD Foundation nor the names of its 26 * contributors may be used to endorse or promote products derived 27 * from this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 30 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 31 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 32 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 33 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 36 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 37 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 39 * POSSIBILITY OF SUCH DAMAGE. 40 */ 41 42 /* 43 =============================================================================== 44 45 This C header file is part of TestFloat, Release 2a, a package of programs 46 for testing the correctness of floating-point arithmetic complying to the 47 IEC/IEEE Standard for Floating-Point. 48 49 Written by John R. Hauser. More information is available through the Web 50 page `http://HTTP.CS.Berkeley.EDU/~jhauser/arithmetic/TestFloat.html'. 51 52 THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable 53 effort has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT 54 WILL AT TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS 55 RESTRICTED TO PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL 56 RESPONSIBILITY FOR ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM 57 THEIR OWN USE OF THE SOFTWARE, AND WHO ALSO EFFECTIVELY INDEMNIFY 58 (possibly via similar legal warning) JOHN HAUSER AND THE INTERNATIONAL 59 COMPUTER SCIENCE INSTITUTE AGAINST ALL LOSSES, COSTS, OR OTHER PROBLEMS 60 ARISING FROM THE USE OF THE SOFTWARE BY THEIR CUSTOMERS AND CLIENTS. 61 62 Derivative works are acceptable, even for commercial purposes, so long as 63 (1) they include prominent notice that the work is derivative, and (2) they 64 include prominent notice akin to these four paragraphs for those parts of 65 this code that are retained. 66 67 =============================================================================== 68 */ 69 70 #ifndef NO_IEEE 71 72 #ifndef MILIEU_H 73 #define MILIEU_H 74 75 #include <sys/types.h> 76 #include <sys/endian.h> 77 78 enum { 79 FALSE = 0, 80 TRUE = 1 81 }; 82 83 84 /* 85 ------------------------------------------------------------------------------- 86 One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined. 87 ------------------------------------------------------------------------------- 88 */ 89 90 #if _BYTE_ORDER == _LITTLE_ENDIAN 91 #define LITTLEENDIAN 92 #else 93 #define BIGENDIAN 94 #endif 95 96 #define BITS64 97 98 /* 99 ------------------------------------------------------------------------------- 100 Each of the following `typedef's defines the most convenient type that holds 101 integers of at least as many bits as specified. For example, `uint8' should 102 be the most convenient type that can hold unsigned integers of as many as 103 8 bits. The `flag' type must be able to hold either a 0 or 1. For most 104 implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed 105 to the same as `int'. 106 ------------------------------------------------------------------------------- 107 */ 108 typedef int flag; 109 typedef unsigned int uint8; 110 typedef signed int int8; 111 typedef unsigned int uint16; 112 typedef int int16; 113 typedef unsigned int uint32; 114 typedef signed int int32; 115 #ifdef BITS64 116 typedef uint64_t uint64; 117 typedef int64_t int64; 118 #endif 119 120 /* 121 ------------------------------------------------------------------------------- 122 Each of the following `typedef's defines a type that holds integers 123 of _exactly_ the number of bits specified. For instance, for most 124 implementation of C, `bits16' and `sbits16' should be `typedef'ed to 125 `unsigned short int' and `signed short int' (or `short int'), respectively. 126 ------------------------------------------------------------------------------- 127 */ 128 typedef uint8_t bits8; 129 typedef int8_t sbits8; 130 typedef uint16_t bits16; 131 typedef int16_t sbits16; 132 typedef uint32_t bits32; 133 typedef int32_t sbits32; 134 #ifdef BITS64 135 typedef uint64_t bits64; 136 typedef int64_t sbits64; 137 #endif 138 139 #ifdef BITS64 140 /* 141 ------------------------------------------------------------------------------- 142 The `LIT64' macro takes as its argument a textual integer literal and 143 if necessary ``marks'' the literal as having a 64-bit integer type. 144 For example, the GNU C Compiler (`gcc') requires that 64-bit literals be 145 appended with the letters `LL' standing for `long long', which is `gcc's 146 name for the 64-bit integer type. Some compilers may allow `LIT64' to be 147 defined as the identity macro: `#define LIT64( a ) a'. 148 ------------------------------------------------------------------------------- 149 */ 150 #define LIT64( a ) a##LL 151 #endif 152 153 /* 154 ------------------------------------------------------------------------------- 155 The macro `INLINE' can be used before functions that should be inlined. If 156 a compiler does not support explicit inlining, this macro should be defined 157 to be `static'. 158 ------------------------------------------------------------------------------- 159 */ 160 #define INLINE static inline 161 162 #endif 163 #endif /* !NO_IEEE */ 164