1 | //---------------------------------------------------------------------- |
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2 | // TEST: Cee's interface to RpUnits. |
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3 | // |
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4 | // Basic units conversion tests for the RpUnits portion of Rappture |
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5 | // written in Cee. |
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6 | //====================================================================== |
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7 | // AUTHOR: Derrick Kearney, Purdue University |
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8 | // Copyright (c) 2004-2005 Purdue Research Foundation |
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9 | // |
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10 | // See the file "license.terms" for information on usage and |
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11 | // redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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12 | //====================================================================== |
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13 | // |
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14 | #include "RpUnitsCInterface.h" |
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15 | #include <stdio.h> |
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16 | |
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17 | double fahrenheit2centigrade (double F); |
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18 | double centigrade2fahrenheit (double C); |
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19 | double centigrade2kelvin (double C); |
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20 | double kelvin2centigrade (double K); |
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21 | |
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22 | double angstrom2meter (double angstrom) |
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23 | { |
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24 | return angstrom*1.0e-10; |
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25 | } |
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26 | |
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27 | double meter2angstrom (double meters) |
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28 | { |
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29 | return meters*1.0e10; |
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30 | } |
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31 | |
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32 | double fahrenheit2centigrade (double F) |
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33 | { |
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34 | return ((F-32.0)/(9.0/5.0)); |
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35 | } |
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36 | |
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37 | double centigrade2fahrenheit (double C) |
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38 | { |
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39 | return ((C*(9.0/5.0))+32.0); |
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40 | } |
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41 | |
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42 | double centigrade2kelvin (double C) |
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43 | { |
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44 | return (C+273.15); |
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45 | } |
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46 | |
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47 | double kelvin2centigrade (double K) |
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48 | { |
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49 | return (K-273.15); |
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50 | } |
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51 | |
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52 | int main() |
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53 | { |
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54 | |
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55 | const RpUnits* meters = rpDefineUnit("m",NULL); |
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56 | |
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57 | const RpUnits* centimeters = NULL; |
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58 | const RpUnits* nanometers = NULL; |
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59 | const RpUnits* cm_basis = NULL; |
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60 | |
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61 | const RpUnits* angstrom = rpDefineUnit("A",NULL); |
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62 | const RpUnits* fahrenheit = rpDefineUnit("F",NULL); |
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63 | const RpUnits* celcius = rpDefineUnit("C",NULL); |
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64 | const RpUnits* kelvin = rpDefineUnit("K",NULL); |
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65 | |
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66 | rpDefineConv(angstrom, meters, angstrom2meter, meter2angstrom); |
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67 | rpDefineConv(fahrenheit, celcius, fahrenheit2centigrade, centigrade2fahrenheit); |
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68 | rpDefineConv(celcius, kelvin, centigrade2kelvin, kelvin2centigrade); |
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69 | |
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70 | |
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71 | double cm_exp = 0; |
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72 | double nm_conv = 0; |
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73 | double value = 0; |
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74 | |
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75 | int result = 0; |
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76 | int showUnits = 0; |
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77 | |
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78 | const char* nm_conv_str = NULL; |
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79 | const char* retStr = NULL; |
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80 | |
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81 | rpMakeMetric(meters); |
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82 | centimeters = rpFind("cm"); |
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83 | |
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84 | if (meters) { |
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85 | printf("meters sign is :%s:\n",rpGetUnitsName(meters)); |
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86 | } |
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87 | |
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88 | if (centimeters) { |
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89 | cm_exp = rpGetExponent(centimeters); |
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90 | cm_basis = rpGetBasis(centimeters); |
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91 | |
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92 | printf("centimeters sign is :%s:\n",rpGetUnits(centimeters)); |
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93 | printf("cm_exp is :%f:\n",cm_exp); |
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94 | |
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95 | if (cm_basis) { |
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96 | printf("cm_basis sign is :%s:\n",rpGetUnitsName(cm_basis)); |
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97 | } |
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98 | else { |
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99 | printf("cm_basis is NULL\n"); |
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100 | } |
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101 | |
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102 | } |
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103 | |
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104 | nanometers = rpFind("nm"); |
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105 | |
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106 | if (nanometers) { |
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107 | |
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108 | nm_conv = rpConvert_ObjDbl(nanometers,meters,1.0e9,&result); |
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109 | printf("1.0e9 nm = %f m\tresult = %d\n",nm_conv,result); |
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110 | |
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111 | nm_conv = rpConvert_ObjDbl(nanometers,meters,1.0e9, NULL); |
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112 | printf("1.0e9 nm = %f m\n",nm_conv); |
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113 | |
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114 | showUnits = 1; |
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115 | nm_conv_str = rpConvert_ObjStr(nanometers,meters,1.588e9,showUnits,NULL); |
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116 | printf("1.588e9 nm = %s\n",nm_conv_str); |
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117 | |
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118 | showUnits = 0; |
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119 | nm_conv_str = rpConvert_ObjStr(nanometers,meters,1.588e9,showUnits,NULL); |
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120 | printf("1.588e9 nm = %s\n",nm_conv_str); |
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121 | } |
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122 | else { |
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123 | printf("nanometers is NULL\n"); |
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124 | } |
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125 | |
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126 | if (meters && angstrom && centimeters) { |
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127 | value = rpConvert_ObjDbl(angstrom,meters,1.0,&result); |
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128 | printf("1 angstrom = %e meters\n",value); |
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129 | |
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130 | value = rpConvert_ObjDbl(centimeters,angstrom,1e-8,&result); |
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131 | printf("1.0e-8 centimeter = %f angstroms\n",value); |
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132 | } |
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133 | else { |
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134 | printf("meters or angstrom or centimeters is NULL\n"); |
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135 | } |
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136 | |
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137 | |
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138 | if (fahrenheit && celcius) { |
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139 | value = rpConvert_ObjDbl(fahrenheit,celcius,72,&result); |
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140 | printf("72 degrees fahrenheit = %f degrees celcius\n",value); |
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141 | |
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142 | value = rpConvert_ObjDbl(celcius,fahrenheit,value,&result); |
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143 | printf("22.222 degrees celcius = %f degrees fahrenheit\n",value); |
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144 | } |
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145 | else { |
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146 | printf("fahrenheit or celcius is NULL\n"); |
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147 | } |
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148 | |
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149 | if (celcius && kelvin) { |
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150 | value = rpConvert_ObjDbl(celcius,kelvin,20,&result); |
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151 | printf("20 degrees celcius = %f kelvin\n",value); |
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152 | |
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153 | value = rpConvert_ObjDbl(kelvin,celcius,300,&result); |
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154 | printf("300 kelvin = %f degrees celcius\n", value); |
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155 | } |
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156 | else { |
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157 | printf("celcius or kelvin is NULL\n"); |
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158 | } |
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159 | |
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160 | printf("====== adding all preset units ======\n"); |
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161 | rpAddPresets("all"); |
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162 | |
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163 | printf("====== TESTING STATIC CONVERT FXNS ======\n"); |
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164 | |
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165 | retStr = rpConvert("72F","C",1,&result); |
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166 | printf("72F = %s\tresult = %d\n", retStr,result); |
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167 | |
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168 | retStr = rpConvert("300K","F",1,&result); |
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169 | printf("300K = %s\tresult = %d\n", retStr,result); |
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170 | |
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171 | retStr = rpConvert("1eV","J",0,&result); |
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172 | printf("1eV = %s (no units)\tresult = %d\n", retStr,result); |
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173 | |
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174 | retStr = rpConvertStr("300K","R",1,&result); |
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175 | printf("300K = %s\tresult = %d\n", retStr,result); |
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176 | |
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177 | retStr = rpConvertStr("5m","ft",1,&result); |
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178 | printf("5m = %s\tresult = %d\n", retStr,result); |
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179 | |
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180 | value = rpConvertDbl("5000mV","V",&result); |
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181 | printf("5V = %f (double value)\n", value); |
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182 | |
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183 | |
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184 | return 0; |
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185 | } |
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