1 | /** |
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2 | * @file ByteToolkit.c |
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3 | * @author Sheng Di |
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4 | * @date April, 2016 |
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5 | * @brief Byte Toolkit |
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6 | * (C) 2016 by Mathematics and Computer Science (MCS), Argonne National Laboratory. |
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7 | * See COPYRIGHT in top-level directory. |
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8 | */ |
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9 | |
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10 | #include <stdlib.h> |
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11 | #include "sz.h" |
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12 | #include "zlib.h" |
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13 | |
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14 | inline unsigned short bytesToUInt16_bigEndian(unsigned char* bytes) |
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15 | { |
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16 | int temp = 0; |
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17 | unsigned short res = 0; |
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18 | |
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19 | temp = bytes[0] & 0xff; |
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20 | res |= temp; |
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21 | |
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22 | res <<= 8; |
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23 | temp = bytes[1] & 0xff; |
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24 | res |= temp; |
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25 | |
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26 | return res; |
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27 | } |
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28 | |
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29 | inline unsigned int bytesToUInt32_bigEndian(unsigned char* bytes) |
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30 | { |
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31 | unsigned int temp = 0; |
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32 | unsigned int res = 0; |
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33 | |
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34 | res <<= 8; |
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35 | temp = bytes[0] & 0xff; |
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36 | res |= temp; |
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37 | |
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38 | res <<= 8; |
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39 | temp = bytes[1] & 0xff; |
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40 | res |= temp; |
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41 | |
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42 | res <<= 8; |
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43 | temp = bytes[2] & 0xff; |
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44 | res |= temp; |
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45 | |
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46 | res <<= 8; |
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47 | temp = bytes[3] & 0xff; |
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48 | res |= temp; |
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49 | |
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50 | return res; |
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51 | } |
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52 | |
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53 | inline unsigned long bytesToUInt64_bigEndian(unsigned char* b) { |
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54 | unsigned long temp = 0; |
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55 | unsigned long res = 0; |
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56 | |
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57 | res <<= 8; |
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58 | temp = b[0] & 0xff; |
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59 | res |= temp; |
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60 | |
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61 | res <<= 8; |
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62 | temp = b[1] & 0xff; |
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63 | res |= temp; |
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64 | |
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65 | res <<= 8; |
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66 | temp = b[2] & 0xff; |
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67 | res |= temp; |
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68 | |
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69 | res <<= 8; |
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70 | temp = b[3] & 0xff; |
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71 | res |= temp; |
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72 | |
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73 | res <<= 8; |
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74 | temp = b[4] & 0xff; |
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75 | res |= temp; |
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76 | |
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77 | res <<= 8; |
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78 | temp = b[5] & 0xff; |
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79 | res |= temp; |
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80 | |
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81 | res <<= 8; |
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82 | temp = b[6] & 0xff; |
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83 | res |= temp; |
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84 | |
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85 | res <<= 8; |
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86 | temp = b[7] & 0xff; |
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87 | res |= temp; |
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88 | |
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89 | return res; |
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90 | } |
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91 | |
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92 | inline short bytesToInt16_bigEndian(unsigned char* bytes) |
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93 | { |
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94 | int temp = 0; |
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95 | short res = 0; |
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96 | |
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97 | temp = bytes[0] & 0xff; |
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98 | res |= temp; |
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99 | |
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100 | res <<= 8; |
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101 | temp = bytes[1] & 0xff; |
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102 | res |= temp; |
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103 | |
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104 | return res; |
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105 | } |
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106 | |
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107 | inline int bytesToInt32_bigEndian(unsigned char* bytes) |
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108 | { |
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109 | int temp = 0; |
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110 | int res = 0; |
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111 | |
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112 | res <<= 8; |
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113 | temp = bytes[0] & 0xff; |
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114 | res |= temp; |
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115 | |
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116 | res <<= 8; |
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117 | temp = bytes[1] & 0xff; |
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118 | res |= temp; |
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119 | |
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120 | res <<= 8; |
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121 | temp = bytes[2] & 0xff; |
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122 | res |= temp; |
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123 | |
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124 | res <<= 8; |
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125 | temp = bytes[3] & 0xff; |
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126 | res |= temp; |
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127 | |
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128 | return res; |
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129 | } |
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130 | |
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131 | inline long bytesToInt64_bigEndian(unsigned char* b) { |
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132 | long temp = 0; |
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133 | long res = 0; |
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134 | |
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135 | res <<= 8; |
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136 | temp = b[0] & 0xff; |
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137 | res |= temp; |
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138 | |
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139 | res <<= 8; |
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140 | temp = b[1] & 0xff; |
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141 | res |= temp; |
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142 | |
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143 | res <<= 8; |
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144 | temp = b[2] & 0xff; |
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145 | res |= temp; |
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146 | |
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147 | res <<= 8; |
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148 | temp = b[3] & 0xff; |
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149 | res |= temp; |
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150 | |
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151 | res <<= 8; |
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152 | temp = b[4] & 0xff; |
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153 | res |= temp; |
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154 | |
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155 | res <<= 8; |
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156 | temp = b[5] & 0xff; |
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157 | res |= temp; |
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158 | |
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159 | res <<= 8; |
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160 | temp = b[6] & 0xff; |
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161 | res |= temp; |
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162 | |
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163 | res <<= 8; |
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164 | temp = b[7] & 0xff; |
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165 | res |= temp; |
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166 | |
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167 | return res; |
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168 | } |
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169 | |
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170 | inline int bytesToInt_bigEndian(unsigned char* bytes) |
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171 | { |
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172 | int temp = 0; |
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173 | int res = 0; |
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174 | |
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175 | res <<= 8; |
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176 | temp = bytes[0] & 0xff; |
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177 | res |= temp; |
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178 | |
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179 | res <<= 8; |
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180 | temp = bytes[1] & 0xff; |
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181 | res |= temp; |
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182 | |
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183 | res <<= 8; |
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184 | temp = bytes[2] & 0xff; |
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185 | res |= temp; |
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186 | |
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187 | res <<= 8; |
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188 | temp = bytes[3] & 0xff; |
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189 | res |= temp; |
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190 | |
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191 | return res; |
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192 | } |
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193 | |
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194 | /** |
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195 | * @unsigned char *b the variable to store the converted bytes (length=4) |
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196 | * @unsigned int num |
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197 | * */ |
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198 | inline void intToBytes_bigEndian(unsigned char *b, unsigned int num) |
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199 | { |
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200 | b[0] = (unsigned char)(num >> 24); |
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201 | b[1] = (unsigned char)(num >> 16); |
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202 | b[2] = (unsigned char)(num >> 8); |
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203 | b[3] = (unsigned char)(num); |
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204 | |
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205 | //note: num >> xxx already considered endian_type... |
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206 | //if(dataEndianType==LITTLE_ENDIAN_DATA) |
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207 | // symTransform_4bytes(*b); //change to BIG_ENDIAN_DATA |
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208 | } |
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209 | |
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210 | inline void int64ToBytes_bigEndian(unsigned char *b, uint64_t num) |
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211 | { |
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212 | b[0] = (unsigned char)(num>>56); |
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213 | b[1] = (unsigned char)(num>>48); |
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214 | b[2] = (unsigned char)(num>>40); |
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215 | b[3] = (unsigned char)(num>>32); |
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216 | b[4] = (unsigned char)(num>>24); |
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217 | b[5] = (unsigned char)(num>>16); |
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218 | b[6] = (unsigned char)(num>>8); |
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219 | b[7] = (unsigned char)(num); |
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220 | } |
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221 | |
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222 | inline void int32ToBytes_bigEndian(unsigned char *b, uint32_t num) |
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223 | { |
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224 | b[0] = (unsigned char)(num >> 24); |
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225 | b[1] = (unsigned char)(num >> 16); |
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226 | b[2] = (unsigned char)(num >> 8); |
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227 | b[3] = (unsigned char)(num); |
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228 | } |
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229 | |
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230 | inline void int16ToBytes_bigEndian(unsigned char *b, uint16_t num) |
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231 | { |
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232 | b[0] = (unsigned char)(num >> 8); |
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233 | b[1] = (unsigned char)(num); |
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234 | } |
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235 | |
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236 | /** |
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237 | * @endianType: refers to the endian_type of unsigned char* b. |
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238 | * */ |
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239 | inline long bytesToLong_bigEndian(unsigned char* b) { |
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240 | long temp = 0; |
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241 | long res = 0; |
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242 | |
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243 | res <<= 8; |
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244 | temp = b[0] & 0xff; |
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245 | res |= temp; |
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246 | |
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247 | res <<= 8; |
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248 | temp = b[1] & 0xff; |
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249 | res |= temp; |
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250 | |
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251 | res <<= 8; |
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252 | temp = b[2] & 0xff; |
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253 | res |= temp; |
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254 | |
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255 | res <<= 8; |
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256 | temp = b[3] & 0xff; |
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257 | res |= temp; |
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258 | |
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259 | res <<= 8; |
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260 | temp = b[4] & 0xff; |
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261 | res |= temp; |
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262 | |
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263 | res <<= 8; |
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264 | temp = b[5] & 0xff; |
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265 | res |= temp; |
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266 | |
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267 | res <<= 8; |
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268 | temp = b[6] & 0xff; |
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269 | res |= temp; |
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270 | |
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271 | res <<= 8; |
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272 | temp = b[7] & 0xff; |
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273 | res |= temp; |
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274 | |
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275 | return res; |
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276 | } |
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277 | |
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278 | inline void longToBytes_bigEndian(unsigned char *b, unsigned long num) |
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279 | { |
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280 | b[0] = (unsigned char)(num>>56); |
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281 | b[1] = (unsigned char)(num>>48); |
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282 | b[2] = (unsigned char)(num>>40); |
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283 | b[3] = (unsigned char)(num>>32); |
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284 | b[4] = (unsigned char)(num>>24); |
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285 | b[5] = (unsigned char)(num>>16); |
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286 | b[6] = (unsigned char)(num>>8); |
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287 | b[7] = (unsigned char)(num); |
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288 | // if(dataEndianType==LITTLE_ENDIAN_DATA) |
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289 | // symTransform_8bytes(*b); |
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290 | } |
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291 | |
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292 | |
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293 | inline long doubleToOSEndianLong(double value) |
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294 | { |
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295 | ldouble buf; |
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296 | buf.value = value; |
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297 | return buf.lvalue; |
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298 | } |
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299 | |
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300 | inline int floatToOSEndianInt(float value) |
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301 | { |
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302 | lfloat buf; |
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303 | buf.value = value; |
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304 | return buf.ivalue; |
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305 | } |
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306 | |
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307 | //TODO: debug: lfBuf.lvalue could be actually little_endian.... |
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308 | inline short getExponent_float(float value) |
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309 | { |
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310 | //int ivalue = floatToBigEndianInt(value); |
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311 | |
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312 | lfloat lbuf; |
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313 | lbuf.value = value; |
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314 | int ivalue = lbuf.ivalue; |
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315 | |
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316 | int expValue = (ivalue & 0x7F800000) >> 23; |
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317 | expValue -= 127; |
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318 | return (short)expValue; |
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319 | } |
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320 | |
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321 | inline short getPrecisionReqLength_float(float precision) |
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322 | { |
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323 | lfloat lbuf; |
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324 | lbuf.value = precision; |
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325 | int ivalue = lbuf.ivalue; |
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326 | |
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327 | int expValue = (ivalue & 0x7F800000) >> 23; |
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328 | expValue -= 127; |
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329 | // unsigned char the1stManBit = (unsigned char)((ivalue & 0x00400000) >> 22); |
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330 | // if(the1stManBit==1) |
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331 | // expValue--; |
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332 | return (short)expValue; |
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333 | } |
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334 | |
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335 | inline short getExponent_double(double value) |
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336 | { |
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337 | //long lvalue = doubleToBigEndianLong(value); |
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338 | |
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339 | ldouble lbuf; |
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340 | lbuf.value = value; |
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341 | long lvalue = lbuf.lvalue; |
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342 | |
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343 | int expValue = (int)((lvalue & 0x7FF0000000000000) >> 52); |
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344 | expValue -= 1023; |
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345 | return (short)expValue; |
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346 | } |
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347 | |
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348 | short getPrecisionReqLength_double(double precision) |
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349 | { |
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350 | ldouble lbuf; |
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351 | lbuf.value = precision; |
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352 | long lvalue = lbuf.lvalue; |
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353 | |
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354 | int expValue = (int)((lvalue & 0x7FF0000000000000) >> 52); |
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355 | expValue -= 1023; |
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356 | // unsigned char the1stManBit = (unsigned char)((lvalue & 0x0008000000000000) >> 51); |
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357 | // if(the1stManBit==1) |
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358 | // expValue--; |
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359 | return (short)expValue; |
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360 | } |
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361 | |
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362 | unsigned char numberOfLeadingZeros_Int(int i) { |
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363 | if (i == 0) |
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364 | return 32; |
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365 | unsigned char n = 1; |
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366 | if (((unsigned int)i) >> 16 == 0) { n += 16; i <<= 16; } |
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367 | if (((unsigned int)i) >> 24 == 0) { n += 8; i <<= 8; } |
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368 | if (((unsigned int)i) >> 28 == 0) { n += 4; i <<= 4; } |
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369 | if (((unsigned int)i) >> 30 == 0) { n += 2; i <<= 2; } |
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370 | n -= ((unsigned int)i) >> 31; |
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371 | return n; |
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372 | } |
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373 | |
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374 | unsigned char numberOfLeadingZeros_Long(long i) { |
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375 | if (i == 0) |
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376 | return 64; |
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377 | unsigned char n = 1; |
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378 | int x = (int)(((unsigned long)i) >> 32); |
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379 | if (x == 0) { n += 32; x = (int)i; } |
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380 | if (((unsigned int)x) >> 16 == 0) { n += 16; x <<= 16; } |
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381 | if (((unsigned int)x) >> 24 == 0) { n += 8; x <<= 8; } |
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382 | if (((unsigned int)x) >> 28 == 0) { n += 4; x <<= 4; } |
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383 | if (((unsigned int)x) >> 30 == 0) { n += 2; x <<= 2; } |
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384 | n -= ((unsigned int)x) >> 31; |
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385 | return n; |
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386 | } |
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387 | |
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388 | unsigned char getLeadingNumbers_Int(int v1, int v2) |
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389 | { |
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390 | int v = v1 ^ v2; |
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391 | return (unsigned char)numberOfLeadingZeros_Int(v); |
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392 | } |
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393 | |
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394 | unsigned char getLeadingNumbers_Long(long v1, long v2) |
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395 | { |
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396 | long v = v1 ^ v2; |
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397 | return (unsigned char)numberOfLeadingZeros_Long(v); |
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398 | } |
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399 | |
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400 | /** |
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401 | * By default, the endian type is OS endian type. |
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402 | * */ |
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403 | short bytesToShort(unsigned char* bytes) |
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404 | { |
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405 | lint16 buf; |
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406 | memcpy(buf.byte, bytes, 2); |
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407 | |
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408 | return buf.svalue; |
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409 | } |
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410 | |
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411 | void shortToBytes(unsigned char* b, short value) |
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412 | { |
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413 | lint16 buf; |
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414 | buf.svalue = value; |
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415 | memcpy(b, buf.byte, 2); |
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416 | } |
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417 | |
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418 | int bytesToInt(unsigned char* bytes) |
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419 | { |
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420 | lfloat buf; |
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421 | memcpy(buf.byte, bytes, 4); |
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422 | return buf.ivalue; |
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423 | } |
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424 | |
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425 | long bytesToLong(unsigned char* bytes) |
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426 | { |
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427 | ldouble buf; |
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428 | memcpy(buf.byte, bytes, 8); |
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429 | return buf.lvalue; |
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430 | } |
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431 | |
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432 | //the byte to input is in the big-endian format |
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433 | float bytesToFloat(unsigned char* bytes) |
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434 | { |
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435 | lfloat buf; |
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436 | memcpy(buf.byte, bytes, 4); |
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437 | if(sysEndianType==LITTLE_ENDIAN_SYSTEM) |
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438 | symTransform_4bytes(buf.byte); |
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439 | return buf.value; |
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440 | } |
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441 | |
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442 | void floatToBytes(unsigned char *b, float num) |
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443 | { |
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444 | lfloat buf; |
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445 | buf.value = num; |
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446 | memcpy(b, buf.byte, 4); |
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447 | if(sysEndianType==LITTLE_ENDIAN_SYSTEM) |
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448 | symTransform_4bytes(b); |
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449 | } |
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450 | |
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451 | //the byte to input is in the big-endian format |
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452 | double bytesToDouble(unsigned char* bytes) |
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453 | { |
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454 | ldouble buf; |
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455 | memcpy(buf.byte, bytes, 8); |
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456 | if(sysEndianType==LITTLE_ENDIAN_SYSTEM) |
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457 | symTransform_8bytes(buf.byte); |
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458 | return buf.value; |
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459 | } |
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460 | |
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461 | void doubleToBytes(unsigned char *b, double num) |
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462 | { |
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463 | ldouble buf; |
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464 | buf.value = num; |
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465 | memcpy(b, buf.byte, 8); |
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466 | if(sysEndianType==LITTLE_ENDIAN_SYSTEM) |
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467 | symTransform_8bytes(b); |
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468 | } |
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469 | |
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470 | int extractBytes(unsigned char* byteArray, size_t k, int validLength) |
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471 | { |
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472 | size_t outIndex = k/8; |
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473 | int innerIndex = k%8; |
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474 | unsigned char intBytes[4]; |
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475 | int length = innerIndex + validLength; |
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476 | int byteNum = 0; |
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477 | if(length%8==0) |
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478 | byteNum = length/8; |
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479 | else |
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480 | byteNum = length/8+1; |
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481 | |
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482 | int i; |
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483 | for(i = 0;i<byteNum;i++) |
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484 | intBytes[exe_params->SZ_SIZE_TYPE-byteNum+i] = byteArray[outIndex+i]; |
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485 | int result = bytesToInt_bigEndian(intBytes); |
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486 | int rightMovSteps = innerIndex +(8 - (innerIndex+validLength)%8)%8; |
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487 | result = result << innerIndex; |
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488 | switch(byteNum) |
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489 | { |
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490 | case 1: |
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491 | result = result & 0xff; |
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492 | break; |
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493 | case 2: |
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494 | result = result & 0xffff; |
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495 | break; |
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496 | case 3: |
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497 | result = result & 0xffffff; |
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498 | break; |
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499 | case 4: |
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500 | break; |
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501 | default: |
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502 | printf("Error: other cases are impossible...\n"); |
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503 | exit(0); |
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504 | } |
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505 | result = result >> rightMovSteps; |
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506 | |
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507 | return result; |
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508 | } |
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509 | |
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510 | int getMaskRightCode(int m) { |
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511 | switch (m) { |
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512 | case 1: |
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513 | return 0x01; |
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514 | case 2: |
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515 | return 0x03; |
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516 | case 3: |
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517 | return 0x07; |
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518 | case 4: |
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519 | return 0x0F; |
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520 | case 5: |
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521 | return 0x1F; |
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522 | case 6: |
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523 | return 0x3F; |
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524 | case 7: |
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525 | return 0X7F; |
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526 | case 8: |
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527 | return 0XFF; |
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528 | default: |
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529 | return 0; |
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530 | } |
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531 | } |
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532 | |
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533 | int getLeftMovingCode(int kMod8) |
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534 | { |
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535 | return getMaskRightCode(8 - kMod8); |
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536 | } |
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537 | |
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538 | int getRightMovingSteps(int kMod8, int resiBitLength) { |
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539 | return 8 - kMod8 - resiBitLength; |
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540 | } |
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541 | |
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542 | int getRightMovingCode(int kMod8, int resiBitLength) |
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543 | { |
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544 | int rightMovingSteps = 8 - kMod8 - resiBitLength; |
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545 | if(rightMovingSteps < 0) |
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546 | { |
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547 | switch(-rightMovingSteps) |
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548 | { |
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549 | case 1: |
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550 | return 0x80; |
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551 | case 2: |
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552 | return 0xC0; |
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553 | case 3: |
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554 | return 0xE0; |
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555 | case 4: |
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556 | return 0xF0; |
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557 | case 5: |
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558 | return 0xF8; |
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559 | case 6: |
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560 | return 0xFC; |
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561 | case 7: |
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562 | return 0XFE; |
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563 | default: |
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564 | return 0; |
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565 | } |
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566 | } |
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567 | else //if(rightMovingSteps >= 0) |
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568 | { |
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569 | int a = getMaskRightCode(8 - kMod8); |
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570 | int b = getMaskRightCode(8 - kMod8 - resiBitLength); |
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571 | int c = a - b; |
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572 | return c; |
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573 | } |
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574 | } |
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575 | |
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576 | short* convertByteDataToShortArray(unsigned char* bytes, size_t byteLength) |
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577 | { |
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578 | lint16 ls; |
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579 | size_t i, stateLength = byteLength/2; |
---|
580 | short* states = (short*)malloc(stateLength*sizeof(short)); |
---|
581 | if(sysEndianType==dataEndianType) |
---|
582 | { |
---|
583 | for(i=0;i<stateLength;i++) |
---|
584 | { |
---|
585 | ls.byte[0] = bytes[i*2]; |
---|
586 | ls.byte[1] = bytes[i*2+1]; |
---|
587 | states[i] = ls.svalue; |
---|
588 | } |
---|
589 | } |
---|
590 | else |
---|
591 | { |
---|
592 | for(i=0;i<stateLength;i++) |
---|
593 | { |
---|
594 | ls.byte[0] = bytes[i*2+1]; |
---|
595 | ls.byte[1] = bytes[i*2]; |
---|
596 | states[i] = ls.svalue; |
---|
597 | } |
---|
598 | } |
---|
599 | return states; |
---|
600 | } |
---|
601 | |
---|
602 | unsigned short* convertByteDataToUShortArray(unsigned char* bytes, size_t byteLength) |
---|
603 | { |
---|
604 | lint16 ls; |
---|
605 | size_t i, stateLength = byteLength/2; |
---|
606 | unsigned short* states = (unsigned short*)malloc(stateLength*sizeof(unsigned short)); |
---|
607 | if(sysEndianType==dataEndianType) |
---|
608 | { |
---|
609 | for(i=0;i<stateLength;i++) |
---|
610 | { |
---|
611 | ls.byte[0] = bytes[i*2]; |
---|
612 | ls.byte[1] = bytes[i*2+1]; |
---|
613 | states[i] = ls.usvalue; |
---|
614 | } |
---|
615 | } |
---|
616 | else |
---|
617 | { |
---|
618 | for(i=0;i<stateLength;i++) |
---|
619 | { |
---|
620 | ls.byte[0] = bytes[i*2+1]; |
---|
621 | ls.byte[1] = bytes[i*2]; |
---|
622 | states[i] = ls.usvalue; |
---|
623 | } |
---|
624 | } |
---|
625 | return states; |
---|
626 | } |
---|
627 | |
---|
628 | void convertShortArrayToBytes(short* states, size_t stateLength, unsigned char* bytes) |
---|
629 | { |
---|
630 | lint16 ls; |
---|
631 | size_t i; |
---|
632 | if(sysEndianType==dataEndianType) |
---|
633 | { |
---|
634 | for(i=0;i<stateLength;i++) |
---|
635 | { |
---|
636 | ls.svalue = states[i]; |
---|
637 | bytes[i*2] = ls.byte[0]; |
---|
638 | bytes[i*2+1] = ls.byte[1]; |
---|
639 | } |
---|
640 | } |
---|
641 | else |
---|
642 | { |
---|
643 | for(i=0;i<stateLength;i++) |
---|
644 | { |
---|
645 | ls.svalue = states[i]; |
---|
646 | bytes[i*2] = ls.byte[1]; |
---|
647 | bytes[i*2+1] = ls.byte[0]; |
---|
648 | } |
---|
649 | } |
---|
650 | } |
---|
651 | |
---|
652 | void convertUShortArrayToBytes(unsigned short* states, size_t stateLength, unsigned char* bytes) |
---|
653 | { |
---|
654 | lint16 ls; |
---|
655 | size_t i; |
---|
656 | if(sysEndianType==dataEndianType) |
---|
657 | { |
---|
658 | for(i=0;i<stateLength;i++) |
---|
659 | { |
---|
660 | ls.usvalue = states[i]; |
---|
661 | bytes[i*2] = ls.byte[0]; |
---|
662 | bytes[i*2+1] = ls.byte[1]; |
---|
663 | } |
---|
664 | } |
---|
665 | else |
---|
666 | { |
---|
667 | for(i=0;i<stateLength;i++) |
---|
668 | { |
---|
669 | ls.usvalue = states[i]; |
---|
670 | bytes[i*2] = ls.byte[1]; |
---|
671 | bytes[i*2+1] = ls.byte[0]; |
---|
672 | } |
---|
673 | } |
---|
674 | } |
---|
675 | |
---|
676 | void convertIntArrayToBytes(int* states, size_t stateLength, unsigned char* bytes) |
---|
677 | { |
---|
678 | lint32 ls; |
---|
679 | size_t index = 0; |
---|
680 | size_t i; |
---|
681 | if(sysEndianType==dataEndianType) |
---|
682 | { |
---|
683 | for(i=0;i<stateLength;i++) |
---|
684 | { |
---|
685 | index = i << 2; //==i*4 |
---|
686 | ls.ivalue = states[i]; |
---|
687 | bytes[index] = ls.byte[0]; |
---|
688 | bytes[index+1] = ls.byte[1]; |
---|
689 | bytes[index+2] = ls.byte[2]; |
---|
690 | bytes[index+3] = ls.byte[3]; |
---|
691 | } |
---|
692 | } |
---|
693 | else |
---|
694 | { |
---|
695 | for(i=0;i<stateLength;i++) |
---|
696 | { |
---|
697 | index = i << 2; //==i*4 |
---|
698 | ls.ivalue = states[i]; |
---|
699 | bytes[index] = ls.byte[3]; |
---|
700 | bytes[index+1] = ls.byte[2]; |
---|
701 | bytes[index+2] = ls.byte[1]; |
---|
702 | bytes[index+3] = ls.byte[0]; |
---|
703 | } |
---|
704 | } |
---|
705 | } |
---|
706 | |
---|
707 | void convertUIntArrayToBytes(unsigned int* states, size_t stateLength, unsigned char* bytes) |
---|
708 | { |
---|
709 | lint32 ls; |
---|
710 | size_t index = 0; |
---|
711 | size_t i; |
---|
712 | if(sysEndianType==dataEndianType) |
---|
713 | { |
---|
714 | for(i=0;i<stateLength;i++) |
---|
715 | { |
---|
716 | index = i << 2; //==i*4 |
---|
717 | ls.uivalue = states[i]; |
---|
718 | bytes[index] = ls.byte[0]; |
---|
719 | bytes[index+1] = ls.byte[1]; |
---|
720 | bytes[index+2] = ls.byte[2]; |
---|
721 | bytes[index+3] = ls.byte[3]; |
---|
722 | } |
---|
723 | } |
---|
724 | else |
---|
725 | { |
---|
726 | for(i=0;i<stateLength;i++) |
---|
727 | { |
---|
728 | index = i << 2; //==i*4 |
---|
729 | ls.uivalue = states[i]; |
---|
730 | bytes[index] = ls.byte[3]; |
---|
731 | bytes[index+1] = ls.byte[2]; |
---|
732 | bytes[index+2] = ls.byte[1]; |
---|
733 | bytes[index+3] = ls.byte[0]; |
---|
734 | } |
---|
735 | } |
---|
736 | } |
---|
737 | |
---|
738 | void convertLongArrayToBytes(int64_t* states, size_t stateLength, unsigned char* bytes) |
---|
739 | { |
---|
740 | lint64 ls; |
---|
741 | size_t index = 0; |
---|
742 | size_t i; |
---|
743 | if(sysEndianType==dataEndianType) |
---|
744 | { |
---|
745 | for(i=0;i<stateLength;i++) |
---|
746 | { |
---|
747 | index = i << 3; //==i*8 |
---|
748 | ls.lvalue = states[i]; |
---|
749 | bytes[index] = ls.byte[0]; |
---|
750 | bytes[index+1] = ls.byte[1]; |
---|
751 | bytes[index+2] = ls.byte[2]; |
---|
752 | bytes[index+3] = ls.byte[3]; |
---|
753 | bytes[index+4] = ls.byte[4]; |
---|
754 | bytes[index+5] = ls.byte[5]; |
---|
755 | bytes[index+6] = ls.byte[6]; |
---|
756 | bytes[index+7] = ls.byte[7]; |
---|
757 | } |
---|
758 | } |
---|
759 | else |
---|
760 | { |
---|
761 | for(i=0;i<stateLength;i++) |
---|
762 | { |
---|
763 | index = i << 3; //==i*8 |
---|
764 | ls.lvalue = states[i]; |
---|
765 | bytes[index] = ls.byte[7]; |
---|
766 | bytes[index+1] = ls.byte[6]; |
---|
767 | bytes[index+2] = ls.byte[5]; |
---|
768 | bytes[index+3] = ls.byte[4]; |
---|
769 | bytes[index+4] = ls.byte[3]; |
---|
770 | bytes[index+5] = ls.byte[2]; |
---|
771 | bytes[index+6] = ls.byte[1]; |
---|
772 | bytes[index+7] = ls.byte[0]; |
---|
773 | } |
---|
774 | } |
---|
775 | } |
---|
776 | |
---|
777 | void convertULongArrayToBytes(uint64_t* states, size_t stateLength, unsigned char* bytes) |
---|
778 | { |
---|
779 | lint64 ls; |
---|
780 | size_t index = 0; |
---|
781 | size_t i; |
---|
782 | if(sysEndianType==dataEndianType) |
---|
783 | { |
---|
784 | for(i=0;i<stateLength;i++) |
---|
785 | { |
---|
786 | index = i << 3; //==i*8 |
---|
787 | ls.ulvalue = states[i]; |
---|
788 | bytes[index] = ls.byte[0]; |
---|
789 | bytes[index+1] = ls.byte[1]; |
---|
790 | bytes[index+2] = ls.byte[2]; |
---|
791 | bytes[index+3] = ls.byte[3]; |
---|
792 | bytes[index+4] = ls.byte[4]; |
---|
793 | bytes[index+5] = ls.byte[5]; |
---|
794 | bytes[index+6] = ls.byte[6]; |
---|
795 | bytes[index+7] = ls.byte[7]; |
---|
796 | } |
---|
797 | } |
---|
798 | else |
---|
799 | { |
---|
800 | for(i=0;i<stateLength;i++) |
---|
801 | { |
---|
802 | index = i << 3; //==i*8 |
---|
803 | ls.ulvalue = states[i]; |
---|
804 | bytes[index] = ls.byte[7]; |
---|
805 | bytes[index+1] = ls.byte[6]; |
---|
806 | bytes[index+2] = ls.byte[5]; |
---|
807 | bytes[index+3] = ls.byte[4]; |
---|
808 | bytes[index+4] = ls.byte[3]; |
---|
809 | bytes[index+5] = ls.byte[2]; |
---|
810 | bytes[index+6] = ls.byte[1]; |
---|
811 | bytes[index+7] = ls.byte[0]; |
---|
812 | } |
---|
813 | } |
---|
814 | } |
---|
815 | |
---|
816 | |
---|
817 | size_t bytesToSize(unsigned char* bytes) |
---|
818 | { |
---|
819 | size_t result = 0; |
---|
820 | if(exe_params->SZ_SIZE_TYPE==4) |
---|
821 | result = bytesToInt_bigEndian(bytes);//4 |
---|
822 | else |
---|
823 | result = bytesToLong_bigEndian(bytes);//8 |
---|
824 | return result; |
---|
825 | } |
---|
826 | |
---|
827 | void sizeToBytes(unsigned char* outBytes, size_t size) |
---|
828 | { |
---|
829 | if(exe_params->SZ_SIZE_TYPE==4) |
---|
830 | intToBytes_bigEndian(outBytes, size);//4 |
---|
831 | else |
---|
832 | longToBytes_bigEndian(outBytes, size);//8 |
---|
833 | } |
---|
834 | |
---|
835 | void convertSZParamsToBytes(sz_params* params, unsigned char* result) |
---|
836 | { |
---|
837 | //unsigned char* result = (unsigned char*)malloc(16); |
---|
838 | unsigned char buf; |
---|
839 | //flag1: exe_params->optQuantMode(1bit), dataEndianType(1bit), sysEndianType(1bit), conf_params->szMode (1bit), conf_params->gzipMode (2bits), pwrType (2bits) |
---|
840 | buf = exe_params->optQuantMode; |
---|
841 | buf = (buf << 1) | dataEndianType; |
---|
842 | buf = (buf << 1) | sysEndianType; |
---|
843 | buf = (buf << 1) | params->szMode; |
---|
844 | |
---|
845 | int tmp = 0; |
---|
846 | switch(params->gzipMode) |
---|
847 | { |
---|
848 | case Z_BEST_SPEED: |
---|
849 | tmp = 0; |
---|
850 | break; |
---|
851 | case Z_DEFAULT_STRATEGY: |
---|
852 | tmp = 1; |
---|
853 | break; |
---|
854 | case Z_BEST_COMPRESSION: |
---|
855 | tmp = 2; |
---|
856 | break; |
---|
857 | } |
---|
858 | buf = (buf << 2) | tmp; |
---|
859 | buf = (buf << 2) | params->pwr_type; |
---|
860 | result[0] = buf; |
---|
861 | |
---|
862 | //sampleDistance; //2 bytes |
---|
863 | int16ToBytes_bigEndian(&result[1], params->sampleDistance); |
---|
864 | |
---|
865 | //conf_params->predThreshold; // 2 bytes |
---|
866 | short tmp2 = params->predThreshold * 10000; |
---|
867 | int16ToBytes_bigEndian(&result[3], tmp2); |
---|
868 | |
---|
869 | //errorBoundMode; //4bits(0.5 byte) |
---|
870 | result[5] = params->errorBoundMode; |
---|
871 | |
---|
872 | //data type (float, double, int8, int16, ....) //10 choices, so 4 bits |
---|
873 | result[5] = (result[5] << 4) | (params->dataType & 0x17); |
---|
874 | |
---|
875 | //result[5]: abs_err_bound or psnr //4 bytes |
---|
876 | //result[9]: rel_bound_ratio or pwr_err_bound//4 bytes |
---|
877 | switch(params->errorBoundMode) |
---|
878 | { |
---|
879 | case ABS: |
---|
880 | floatToBytes(&result[6], (float)(params->absErrBound)); //big_endian |
---|
881 | memset(&result[10], 0, 4); |
---|
882 | break; |
---|
883 | case REL: |
---|
884 | memset(&result[6], 0, 4); |
---|
885 | floatToBytes(&result[10], (float)(params->relBoundRatio)); //big_endian |
---|
886 | break; |
---|
887 | case ABS_AND_REL: |
---|
888 | case ABS_OR_REL: |
---|
889 | floatToBytes(&result[6], (float)(params->absErrBound)); |
---|
890 | floatToBytes(&result[10], (float)(params->relBoundRatio)); //big_endian |
---|
891 | break; |
---|
892 | case PSNR: |
---|
893 | floatToBytes(&result[6], (float)(params->psnr)); |
---|
894 | memset(&result[9], 0, 4); |
---|
895 | break; |
---|
896 | case ABS_AND_PW_REL: |
---|
897 | case ABS_OR_PW_REL: |
---|
898 | floatToBytes(&result[6], (float)(params->absErrBound)); |
---|
899 | floatToBytes(&result[10], (float)(params->pw_relBoundRatio)); //big_endian |
---|
900 | break; |
---|
901 | case REL_AND_PW_REL: |
---|
902 | case REL_OR_PW_REL: |
---|
903 | floatToBytes(&result[6], (float)(params->relBoundRatio)); |
---|
904 | floatToBytes(&result[10], (float)(params->pw_relBoundRatio)); //big_endian |
---|
905 | break; |
---|
906 | case PW_REL: |
---|
907 | memset(&result[6], 0, 4); |
---|
908 | floatToBytes(&result[10], (float)(params->pw_relBoundRatio)); //big_endian |
---|
909 | break; |
---|
910 | } |
---|
911 | |
---|
912 | //segment_size // 2 bytes |
---|
913 | int16ToBytes_bigEndian(&result[14], (short)(params->segment_size)); |
---|
914 | |
---|
915 | if(exe_params->optQuantMode==1) |
---|
916 | int32ToBytes_bigEndian(&result[16], params->max_quant_intervals); |
---|
917 | else |
---|
918 | int32ToBytes_bigEndian(&result[16], params->quantization_intervals); |
---|
919 | } |
---|
920 | |
---|
921 | sz_params* convertBytesToSZParams(unsigned char* bytes) |
---|
922 | { |
---|
923 | sz_params* params = (sz_params*)malloc(sizeof(struct sz_params)); |
---|
924 | unsigned char flag1 = bytes[0]; |
---|
925 | exe_params->optQuantMode = flag1 >> 7; |
---|
926 | dataEndianType = (flag1 & 0x7f) >> 7; |
---|
927 | sysEndianType = (flag1 & 0x3f) >> 7; |
---|
928 | |
---|
929 | params->szMode = (flag1 & 0x1f) >> 7; |
---|
930 | |
---|
931 | int tmp = (flag1 & 0x0f) >> 6; |
---|
932 | switch(tmp) |
---|
933 | { |
---|
934 | case 0: |
---|
935 | params->gzipMode = Z_BEST_SPEED; |
---|
936 | break; |
---|
937 | case 1: |
---|
938 | params->gzipMode = Z_DEFAULT_STRATEGY; |
---|
939 | break; |
---|
940 | case 2: |
---|
941 | params->gzipMode = Z_BEST_COMPRESSION; |
---|
942 | break; |
---|
943 | } |
---|
944 | |
---|
945 | params->pwr_type = (flag1 & 0x03) >> 6; |
---|
946 | |
---|
947 | params->sampleDistance = bytesToInt16_bigEndian(&bytes[1]); |
---|
948 | |
---|
949 | params->predThreshold = 1.0*bytesToInt16_bigEndian(&bytes[3])/10000.0; |
---|
950 | |
---|
951 | params->dataType = bytes[5] & 0x07; |
---|
952 | |
---|
953 | params->errorBoundMode = (bytes[5] & 0xf0) >> 4; |
---|
954 | |
---|
955 | switch(params->errorBoundMode) |
---|
956 | { |
---|
957 | case ABS: |
---|
958 | params->absErrBound = bytesToFloat(&bytes[6]); |
---|
959 | break; |
---|
960 | case REL: |
---|
961 | params->relBoundRatio = bytesToFloat(&bytes[10]); |
---|
962 | break; |
---|
963 | case ABS_AND_REL: |
---|
964 | case ABS_OR_REL: |
---|
965 | params->absErrBound = bytesToFloat(&bytes[6]); |
---|
966 | params->relBoundRatio = bytesToFloat(&bytes[10]); |
---|
967 | break; |
---|
968 | case PSNR: |
---|
969 | params->psnr = bytesToFloat(&bytes[6]); |
---|
970 | break; |
---|
971 | case ABS_AND_PW_REL: |
---|
972 | case ABS_OR_PW_REL: |
---|
973 | params->absErrBound = bytesToFloat(&bytes[6]); |
---|
974 | params->pw_relBoundRatio = bytesToFloat(&bytes[10]); |
---|
975 | break; |
---|
976 | case REL_AND_PW_REL: |
---|
977 | case REL_OR_PW_REL: |
---|
978 | params->relBoundRatio = bytesToFloat(&bytes[6]); |
---|
979 | params->pw_relBoundRatio = bytesToFloat(&bytes[10]); |
---|
980 | break; |
---|
981 | case PW_REL: |
---|
982 | params->pw_relBoundRatio = bytesToFloat(&bytes[10]); |
---|
983 | } |
---|
984 | |
---|
985 | //segment_size // 2 bytes |
---|
986 | params->segment_size = bytesToInt16_bigEndian(&bytes[14]); |
---|
987 | |
---|
988 | if(exe_params->optQuantMode==1) |
---|
989 | { |
---|
990 | params->max_quant_intervals = bytesToInt32_bigEndian(&bytes[16]); |
---|
991 | params->quantization_intervals = 0; |
---|
992 | } |
---|
993 | else |
---|
994 | { |
---|
995 | params->max_quant_intervals = 0; |
---|
996 | params->quantization_intervals = bytesToInt32_bigEndian(&bytes[16]); |
---|
997 | } |
---|
998 | return params; |
---|
999 | } |
---|