ZenLib
|
00001 /* Copyright (c) MediaArea.net SARL. All Rights Reserved. 00002 * 00003 * Use of this source code is governed by a zlib-style license that can 00004 * be found in the License.txt file in the root of the source tree. 00005 */ 00006 00007 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 00008 // 00009 // Integer and float manipulation 00010 // 00011 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 00012 00013 //--------------------------------------------------------------------------- 00014 #ifndef ZenUtilsH 00015 #define ZenUtilsH 00016 //--------------------------------------------------------------------------- 00017 00018 //--------------------------------------------------------------------------- 00019 #include "ZenLib/int128u.h" 00020 //--------------------------------------------------------------------------- 00021 00022 namespace ZenLib 00023 { 00024 00025 //*************************************************************************** 00026 // Integer transformations 00027 //*************************************************************************** 00028 00029 //--------------------------------------------------------------------------- 00030 //Little Endians 00031 int8s LittleEndian2int8s (const char* List); 00032 int8u LittleEndian2int8u (const char* List); 00033 int16s LittleEndian2int16s (const char* List); 00034 int16u LittleEndian2int16u (const char* List); 00035 int32s LittleEndian2int24s (const char* List); 00036 int32u LittleEndian2int24u (const char* List); 00037 int32s LittleEndian2int32s (const char* List); 00038 int32u LittleEndian2int32u (const char* List); 00039 #if (MAXTYPE_INT >= 64) 00040 int64s LittleEndian2int40s (const char* List); 00041 int64u LittleEndian2int40u (const char* List); 00042 int64s LittleEndian2int48s (const char* List); 00043 int64u LittleEndian2int48u (const char* List); 00044 int64s LittleEndian2int56s (const char* List); 00045 int64u LittleEndian2int56u (const char* List); 00046 int64s LittleEndian2int64s (const char* List); 00047 int64u LittleEndian2int64u (const char* List); 00048 int128u LittleEndian2int128u (const char* List); 00049 #endif 00050 float32 LittleEndian2float16 (const char* List); 00051 float32 LittleEndian2float32 (const char* List); 00052 float64 LittleEndian2float64 (const char* List); 00053 float80 LittleEndian2float80 (const char* List); 00054 00055 void int8s2LittleEndian (char* List, int8s Value); 00056 void int8u2LittleEndian (char* List, int8u Value); 00057 void int16s2LittleEndian (char* List, int16s Value); 00058 void int16u2LittleEndian (char* List, int16u Value); 00059 void int24s2LittleEndian (char* List, int32s Value); 00060 void int24u2LittleEndian (char* List, int32u Value); 00061 void int32s2LittleEndian (char* List, int32s Value); 00062 void int32u2LittleEndian (char* List, int32u Value); 00063 #if (MAXTYPE_INT >= 64) 00064 void int40s2LittleEndian (char* List, int64s Value); 00065 void int40u2LittleEndian (char* List, int64u Value); 00066 void int48s2LittleEndian (char* List, int64s Value); 00067 void int48u2LittleEndian (char* List, int64u Value); 00068 void int56s2LittleEndian (char* List, int64s Value); 00069 void int56u2LittleEndian (char* List, int64u Value); 00070 void int64s2LittleEndian (char* List, int64s Value); 00071 void int64u2LittleEndian (char* List, int64u Value); 00072 void int128u2LittleEndian (char* List, int128u Value); 00073 #endif 00074 void float162LittleEndian (char* List, float32 Value); 00075 void float322LittleEndian (char* List, float32 Value); 00076 void float642LittleEndian (char* List, float64 Value); 00077 void float802LittleEndian (char* List, float80 Value); 00078 00079 #ifndef __BORLANDC__ 00080 inline int8s LittleEndian2int8s (const int8u* List) {return LittleEndian2int8s ((const char*)List);} 00081 inline int8u LittleEndian2int8u (const int8u* List) {return LittleEndian2int8u ((const char*)List);} 00082 inline int16s LittleEndian2int16s (const int8u* List) {return LittleEndian2int16s ((const char*)List);} 00083 inline int16u LittleEndian2int16u (const int8u* List) {return LittleEndian2int16u ((const char*)List);} 00084 inline int32s LittleEndian2int24s (const int8u* List) {return LittleEndian2int24s ((const char*)List);} 00085 inline int32u LittleEndian2int24u (const int8u* List) {return LittleEndian2int24u ((const char*)List);} 00086 inline int32s LittleEndian2int32s (const int8u* List) {return LittleEndian2int32s ((const char*)List);} 00087 inline int32u LittleEndian2int32u (const int8u* List) {return LittleEndian2int32u ((const char*)List);} 00088 #if (MAXTYPE_INT >= 64) 00089 inline int64s LittleEndian2int40s (const int8u* List) {return LittleEndian2int40s ((const char*)List);} 00090 inline int64u LittleEndian2int40u (const int8u* List) {return LittleEndian2int40u ((const char*)List);} 00091 inline int64s LittleEndian2int48s (const int8u* List) {return LittleEndian2int48s ((const char*)List);} 00092 inline int64u LittleEndian2int48u (const int8u* List) {return LittleEndian2int48u ((const char*)List);} 00093 inline int64s LittleEndian2int56s (const int8u* List) {return LittleEndian2int56s ((const char*)List);} 00094 inline int64u LittleEndian2int56u (const int8u* List) {return LittleEndian2int56u ((const char*)List);} 00095 inline int64s LittleEndian2int64s (const int8u* List) {return LittleEndian2int64s ((const char*)List);} 00096 inline int64u LittleEndian2int64u (const int8u* List) {return LittleEndian2int64u ((const char*)List);} 00097 inline int128u LittleEndian2int128u (const int8u* List) {return LittleEndian2int64u ((const char*)List);} 00098 #endif 00099 inline float32 LittleEndian2float16 (const int8u* List) {return LittleEndian2float16 ((const char*)List);} 00100 inline float32 LittleEndian2float32 (const int8u* List) {return LittleEndian2float32 ((const char*)List);} 00101 inline float64 LittleEndian2float64 (const int8u* List) {return LittleEndian2float64 ((const char*)List);} 00102 inline float80 LittleEndian2float80 (const int8u* List) {return LittleEndian2float80 ((const char*)List);} 00103 00104 inline void int8s2LittleEndian (int8u* List, int8s Value) {return int8s2LittleEndian ((char*)List, Value);} 00105 inline void int8u2LittleEndian (int8u* List, int8u Value) {return int8u2LittleEndian ((char*)List, Value);} 00106 inline void int16s2LittleEndian (int8u* List, int16s Value) {return int16s2LittleEndian ((char*)List, Value);} 00107 inline void int16u2LittleEndian (int8u* List, int16u Value) {return int16u2LittleEndian ((char*)List, Value);} 00108 inline void int24s2LittleEndian (int8u* List, int32s Value) {return int24s2LittleEndian ((char*)List, Value);} 00109 inline void int24u2LittleEndian (int8u* List, int32u Value) {return int24u2LittleEndian ((char*)List, Value);} 00110 inline void int32s2LittleEndian (int8u* List, int32s Value) {return int32s2LittleEndian ((char*)List, Value);} 00111 inline void int32u2LittleEndian (int8u* List, int32u Value) {return int32u2LittleEndian ((char*)List, Value);} 00112 #if (MAXTYPE_INT >= 64) 00113 inline void int40s2LittleEndian (int8u* List, int64s Value) {return int40s2LittleEndian ((char*)List, Value);} 00114 inline void int40u2LittleEndian (int8u* List, int64u Value) {return int40u2LittleEndian ((char*)List, Value);} 00115 inline void int48s2LittleEndian (int8u* List, int64s Value) {return int48s2LittleEndian ((char*)List, Value);} 00116 inline void int48u2LittleEndian (int8u* List, int64u Value) {return int48u2LittleEndian ((char*)List, Value);} 00117 inline void int56s2LittleEndian (int8u* List, int64s Value) {return int56s2LittleEndian ((char*)List, Value);} 00118 inline void int56u2LittleEndian (int8u* List, int64u Value) {return int56u2LittleEndian ((char*)List, Value);} 00119 inline void int64s2LittleEndian (int8u* List, int64s Value) {return int64s2LittleEndian ((char*)List, Value);} 00120 inline void int64u2LittleEndian (int8u* List, int64u Value) {return int64u2LittleEndian ((char*)List, Value);} 00121 inline void int128u2LittleEndian (int8u* List, int128u Value) {return int128u2LittleEndian ((char*)List, Value);} 00122 #endif 00123 inline void float162LittleEndian (int8u* List, float32 Value) {return float162LittleEndian ((char*)List, Value);} 00124 inline void float322LittleEndian (int8u* List, float32 Value) {return float322LittleEndian ((char*)List, Value);} 00125 inline void float642LittleEndian (int8u* List, float64 Value) {return float642LittleEndian ((char*)List, Value);} 00126 inline void float802LittleEndian (int8u* List, float80 Value) {return float802LittleEndian ((char*)List, Value);} 00127 #endif //__BORLANDC__ 00128 00129 //--------------------------------------------------------------------------- 00130 //Big Endians 00131 int8s BigEndian2int8s (const char* List); 00132 int8u BigEndian2int8u (const char* List); 00133 int16s BigEndian2int16s (const char* List); 00134 int16u BigEndian2int16u (const char* List); 00135 int32s BigEndian2int24s (const char* List); 00136 int32u BigEndian2int24u (const char* List); 00137 int32s BigEndian2int32s (const char* List); 00138 int32u BigEndian2int32u (const char* List); 00139 #if (MAXTYPE_INT >= 64) 00140 int64s BigEndian2int40s (const char* List); 00141 int64u BigEndian2int40u (const char* List); 00142 int64s BigEndian2int48s (const char* List); 00143 int64u BigEndian2int48u (const char* List); 00144 int64s BigEndian2int56s (const char* List); 00145 int64u BigEndian2int56u (const char* List); 00146 int64s BigEndian2int64s (const char* List); 00147 int64u BigEndian2int64u (const char* List); 00148 int128u BigEndian2int128u (const char* List); 00149 #endif 00150 float32 BigEndian2float16 (const char* List); 00151 float32 BigEndian2float32 (const char* List); 00152 float64 BigEndian2float64 (const char* List); 00153 float80 BigEndian2float80 (const char* List); 00154 00155 void int8s2BigEndian (char* List, int8s Value); 00156 void int8u2BigEndian (char* List, int8u Value); 00157 void int16s2BigEndian (char* List, int16s Value); 00158 void int16u2BigEndian (char* List, int16u Value); 00159 void int24s2BigEndian (char* List, int32s Value); 00160 void int24u2BigEndian (char* List, int32u Value); 00161 void int32s2BigEndian (char* List, int32s Value); 00162 void int32u2BigEndian (char* List, int32u Value); 00163 #if (MAXTYPE_INT >= 64) 00164 void int40s2BigEndian (char* List, int64s Value); 00165 void int40u2BigEndian (char* List, int64u Value); 00166 void int48s2BigEndian (char* List, int64s Value); 00167 void int48u2BigEndian (char* List, int64u Value); 00168 void int56s2BigEndian (char* List, int64s Value); 00169 void int56u2BigEndian (char* List, int64u Value); 00170 void int64s2BigEndian (char* List, int64s Value); 00171 void int64u2BigEndian (char* List, int64u Value); 00172 void int128u2BigEndian (char* List, int128u Value); 00173 #endif 00174 void float162BigEndian (char* List, float32 Value); 00175 void float322BigEndian (char* List, float32 Value); 00176 void float642BigEndian (char* List, float64 Value); 00177 void float802BigEndian (char* List, float80 Value); 00178 00179 #ifndef __BORLANDC__ 00180 inline int8s BigEndian2int8s (const int8u* List) {return BigEndian2int8s ((const char*)List);} 00181 inline int8u BigEndian2int8u (const int8u* List) {return BigEndian2int8u ((const char*)List);} 00182 inline int16s BigEndian2int16s (const int8u* List) {return BigEndian2int16s ((const char*)List);} 00183 inline int16u BigEndian2int16u (const int8u* List) {return BigEndian2int16u ((const char*)List);} 00184 inline int32s BigEndian2int32s (const int8u* List) {return BigEndian2int32s ((const char*)List);} 00185 inline int32u BigEndian2int24u (const int8u* List) {return BigEndian2int24u ((const char*)List);} 00186 inline int32s BigEndian2int24s (const int8u* List) {return BigEndian2int24s ((const char*)List);} 00187 inline int32u BigEndian2int32u (const int8u* List) {return BigEndian2int32u ((const char*)List);} 00188 #if (MAXTYPE_INT >= 64) 00189 inline int64s BigEndian2int40s (const int8u* List) {return BigEndian2int40s ((const char*)List);} 00190 inline int64u BigEndian2int40u (const int8u* List) {return BigEndian2int40u ((const char*)List);} 00191 inline int64s BigEndian2int48s (const int8u* List) {return BigEndian2int48s ((const char*)List);} 00192 inline int64u BigEndian2int48u (const int8u* List) {return BigEndian2int48u ((const char*)List);} 00193 inline int64s BigEndian2int56s (const int8u* List) {return BigEndian2int56s ((const char*)List);} 00194 inline int64u BigEndian2int56u (const int8u* List) {return BigEndian2int56u ((const char*)List);} 00195 inline int64s BigEndian2int64s (const int8u* List) {return BigEndian2int64s ((const char*)List);} 00196 inline int64u BigEndian2int64u (const int8u* List) {return BigEndian2int64u ((const char*)List);} 00197 inline int128u BigEndian2int128u (const int8u* List) {return BigEndian2int128u ((const char*)List);} 00198 #endif 00199 inline float32 BigEndian2float16 (const int8u* List) {return BigEndian2float16 ((const char*)List);} 00200 inline float32 BigEndian2float32 (const int8u* List) {return BigEndian2float32 ((const char*)List);} 00201 inline float64 BigEndian2float64 (const int8u* List) {return BigEndian2float64 ((const char*)List);} 00202 inline float80 BigEndian2float80 (const int8u* List) {return BigEndian2float80 ((const char*)List);} 00203 00204 inline void int8s2BigEndian (int8u* List, int8s Value) {return int8s2BigEndian ((char*)List, Value);} 00205 inline void int8u2BigEndian (int8u* List, int8u Value) {return int8u2BigEndian ((char*)List, Value);} 00206 inline void int16s2BigEndian (int8u* List, int16s Value) {return int16s2BigEndian ((char*)List, Value);} 00207 inline void int16u2BigEndian (int8u* List, int16u Value) {return int16u2BigEndian ((char*)List, Value);} 00208 inline void int24s2BigEndian (int8u* List, int32s Value) {return int24s2BigEndian ((char*)List, Value);} 00209 inline void int24u2BigEndian (int8u* List, int32u Value) {return int24u2BigEndian ((char*)List, Value);} 00210 inline void int32s2BigEndian (int8u* List, int32s Value) {return int32s2BigEndian ((char*)List, Value);} 00211 inline void int32u2BigEndian (int8u* List, int32u Value) {return int32u2BigEndian ((char*)List, Value);} 00212 #if (MAXTYPE_INT >= 64) 00213 inline void int40s2BigEndian (int8u* List, int64s Value) {return int40s2BigEndian ((char*)List, Value);} 00214 inline void int40u2BigEndian (int8u* List, int64u Value) {return int40u2BigEndian ((char*)List, Value);} 00215 inline void int48s2BigEndian (int8u* List, int64s Value) {return int48s2BigEndian ((char*)List, Value);} 00216 inline void int48u2BigEndian (int8u* List, int64u Value) {return int48u2BigEndian ((char*)List, Value);} 00217 inline void int56s2BigEndian (int8u* List, int64s Value) {return int56s2BigEndian ((char*)List, Value);} 00218 inline void int56u2BigEndian (int8u* List, int64u Value) {return int56u2BigEndian ((char*)List, Value);} 00219 inline void int64s2BigEndian (int8u* List, int64s Value) {return int64s2BigEndian ((char*)List, Value);} 00220 inline void int64u2BigEndian (int8u* List, int64u Value) {return int64u2BigEndian ((char*)List, Value);} 00221 inline void int128u2BigEndian (int8u* List, int128u Value) {return int128u2BigEndian ((char*)List, Value);} 00222 #endif 00223 inline void float162BigEndian (int8u* List, float32 Value) {return float162BigEndian ((char*)List, Value);} 00224 inline void float322BigEndian (int8u* List, float32 Value) {return float322BigEndian ((char*)List, Value);} 00225 inline void float642BigEndian (int8u* List, float64 Value) {return float642BigEndian ((char*)List, Value);} 00226 inline void float802BigEndian (int8u* List, float80 Value) {return float802BigEndian ((char*)List, Value);} 00227 #endif //__BORLANDC__ 00228 00229 //--------------------------------------------------------------------------- 00230 // int32 - int64 00231 int64s int32s_int64s ( int32s High, int32u Low); 00232 int64u int32u_int64u ( int32u High, int32u Low); 00233 void int32s_int64s (int64s &BigInt, int32s High, int32u Low); 00234 void int32u_int64u (int64s &BigInt, int32u High, int32u Low); 00235 void int64s_int32s (int64s BigInt, int32s &High, int32u &Low); 00236 void int64u_int32u (int64u BigInt, int32u &High, int32u &Low); 00237 00238 //--------------------------------------------------------------------------- 00239 // Floats and ints 00240 int32s float32_int32s (float32 F, bool Rounded=true); 00241 int64s float32_int64s (float32 F, bool Rounded=true); 00242 int32s float64_int32s (float64 F, bool Rounded=true); 00243 int64s float64_int64s (float64 F, bool Rounded=true); 00244 00245 // These functions are used because MSVC6 isn't able to convert an unsigned int64 to a floating-point value, and I couldn't think of a cleaner way to handle it. 00246 #if defined(_MSC_VER) && _MSC_VER<=1200 00247 inline float32 int64u_float32 (int64u v) {return static_cast<float32>(static_cast<int64s>(v>>1))*2.0f + static_cast<float32>(static_cast<int64s>(v & 1));} 00248 inline float64 int64u_float64 (int64u v) {return static_cast<float64>(static_cast<int64s>(v>>1))*2.0f + static_cast<float32>(static_cast<int64s>(v & 1));} 00249 #else 00250 inline float32 int64u_float32 (int64u v) {return (float32)v;} 00251 inline float64 int64u_float64 (int64u v) {return (float64)v;} 00252 #endif // defined(_MSC_VER) && _MSC_VER<=1200 00253 00254 //--------------------------------------------------------------------------- 00255 // CC (often used in all containers to identify a stream 00256 inline int64u CC8(const char* C) {return BigEndian2int64u(C);} 00257 inline int64u CC7(const char* C) {return BigEndian2int56u(C);} 00258 inline int64u CC6(const char* C) {return BigEndian2int48u(C);} 00259 inline int64u CC5(const char* C) {return BigEndian2int40u(C);} 00260 inline int32u CC4(const char* C) {return BigEndian2int32u(C);} 00261 inline int32u CC3(const char* C) {return BigEndian2int24u(C);} 00262 inline int16u CC2(const char* C) {return BigEndian2int16u(C);} 00263 inline int8u CC1(const char* C) {return BigEndian2int8u (C);} 00264 #ifndef __BORLANDC__ 00265 inline int64u CC8(const int8u* C) {return BigEndian2int64u(C);} 00266 inline int64u CC7(const int8u* C) {return BigEndian2int56u(C);} 00267 inline int64u CC6(const int8u* C) {return BigEndian2int48u(C);} 00268 inline int64u CC5(const int8u* C) {return BigEndian2int40u(C);} 00269 inline int32u CC4(const int8u* C) {return BigEndian2int32u(C);} 00270 inline int32u CC3(const int8u* C) {return BigEndian2int24u(C);} 00271 inline int16u CC2(const int8u* C) {return BigEndian2int16u(C);} 00272 inline int8u CC1(const int8u* C) {return BigEndian2int8u (C);} 00273 #endif // __BORLANDC__ 00274 00275 //--------------------------------------------------------------------------- 00276 // turn a numeric literal into a hex constant 00277 // (avoids problems with leading zeroes) 00278 // 8-bit constants max value 0x11111111, always fits in unsigned long 00279 #define HEX__(n) 0x##n##LU 00280 00281 // 8-bit conversion function 00282 #define B8__(x) ((x&0x0000000FLU)?0x01:0) \ 00283 +((x&0x000000F0LU)?0x02:0) \ 00284 +((x&0x00000F00LU)?0x04:0) \ 00285 +((x&0x0000F000LU)?0x08:0) \ 00286 +((x&0x000F0000LU)?0x10:0) \ 00287 +((x&0x00F00000LU)?0x20:0) \ 00288 +((x&0x0F000000LU)?0x40:0) \ 00289 +((x&0xF0000000LU)?0x80:0) 00290 00291 // for upto 8-bit binary constants 00292 #define B8(d) ((int8u)B8__(HEX__(d))) 00293 00294 // for upto 16-bit binary constants, MSB first 00295 #define B16(dmsb, dlsb) (((int16u)B8(dmsb)<<8) \ 00296 + ((int16u)B8(dlsb)<<0)) 00297 00298 // for upto 32-bit binary constants, MSB first 00299 #define B32(dmsb, db2, db3, dlsb) (((int32u)B8(dmsb)<<24) \ 00300 + ((int32u)B8( db2)<<16) \ 00301 + ((int32u)B8( db3)<< 8) \ 00302 + ((int32u)B8(dlsb)<< 0)) 00303 00304 } //namespace ZenLib 00305 #endif