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Limits.hpp

00001 #if !defined (__LIMITS_HPP) 00002 #define __LIMITS_HPP 00003 00004 /* 00005 CoreLinux++ 00006 Copyright (C) 1999 CoreLinux Consortium 00007 00008 The CoreLinux++ Library is free software; you can redistribute it and/or 00009 modify it under the terms of the GNU Library General Public License as 00010 published by the Free Software Foundation; either version 2 of the 00011 License, or (at your option) any later version. 00012 00013 The CoreLinux++ Library Library is distributed in the hope that it will 00014 be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00016 Library General Public License for more details. 00017 00018 You should have received a copy of the GNU Library General Public 00019 License along with the GNU C Library; see the file COPYING.LIB. If not, 00020 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00021 Boston, MA 02111-1307, USA. 00022 */ 00023 00024 00025 #if !defined IN_COMMON_HPP 00026 #error Limits.hpp is included by Common.hpp only. 00027 #endif 00028 00029 namespace corelinux 00030 { 00031 DECLARE_CLASS( Limits ); 00032 00037 class Limits 00038 { 00039 00040 public: 00041 enum CharLimits 00042 { 00043 CHARBITS = 8, 00044 CHARMIN = -128, 00045 CHARMAX = 127 00046 }; 00047 00048 enum ByteLimits 00049 { 00050 BYTEBITS = 8, 00051 BYTEMIN = 0, 00052 BYTEMAX = 255 00053 }; 00054 00055 enum ShortLimits 00056 { 00057 SHORTBITS = 16, 00058 SHORTMIN = (-32768), 00059 SHORTMAX = 32767 00060 }; 00061 00062 enum WordLimits 00063 { 00064 WORDBITS = 16, 00065 WORDMIN = 0, 00066 WORDMAX = 65535 00067 }; 00068 00069 enum LongLimits 00070 { 00071 LONGBITS = 32, 00072 LONGMIN = (-2147483647 - 1), 00073 LONGMAX = 2147483647 00074 }; 00075 00076 enum DwordLimits 00077 { 00078 DWORDBITS = 32, 00079 DWORDMIN = 0, 00080 DWORDMAX = -1 // 4294967295U USE DWORD(DWORDMAX) IN CAST 00081 }; 00082 00083 enum SizeLimits 00084 { 00085 SIZEBITS = DWORDBITS, 00086 SIZEMIN = DWORDMIN, 00087 SIZEMAX = DWORDMAX 00088 }; 00089 00090 enum IndexLimits 00091 { 00092 INDEXBITS = DWORDBITS, 00093 INDEXMIN = DWORDMIN, 00094 INDEXMAX = DWORDMAX 00095 }; 00096 00097 enum CounterLimits 00098 { 00099 COUNTERBITS = LONGBITS, 00100 COUNTERMIN = LONGMIN, 00101 COUNTERMAX = LONGMAX 00102 }; 00103 00104 enum IdLimits 00105 { 00106 IDBITS = WORDBITS, 00107 IDMIN = WORDMIN, 00108 IDMAX = WORDMAX 00109 }; 00110 00111 // ******************************************* 00112 // Real Limits 00113 // ******************************************* 00114 00115 static Word RealBits; 00116 static Word RealPrecision; 00117 static Real RealMin; 00118 static Real RealMax; 00119 00120 // ******************************************* 00121 // Smallest number such that 1.0 + RealEpsilon != 1.0 00122 // ******************************************* 00123 00124 static Real RealEpsilon; 00125 }; 00126 00127 } 00128 00129 #endif // !defined HEADER_HPP 00130 00131 /* 00132 Common rcs information do not modify 00133 $Author: prudhomm $ 00134 $Revision: 1.1 $ 00135 $Date: 2000/04/23 20:43:13 $ 00136 $Locker: $ 00137 */ 00138

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