1 | /* emacs edit mode for this file is -*- C++ -*- */ |
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2 | /* $Id$ */ |
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3 | |
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4 | //{{{ docu |
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5 | // |
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6 | // ftest_util.cc - some utilities for the factory test environment. |
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7 | // |
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8 | //}}} |
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9 | |
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10 | #include <stdio.h> |
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11 | #include <stdarg.h> |
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12 | #include <stdlib.h> |
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13 | #include <signal.h> |
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14 | #include <string.h> |
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15 | #include <ctype.h> |
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16 | #include <errno.h> |
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17 | #include <unistd.h> |
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18 | #include <iostream.h> |
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19 | #include <fstream.h> |
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20 | |
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21 | // we include timing.h for calculation of HZ only |
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22 | #define TIMING |
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23 | #include <timing.h> |
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24 | |
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25 | #include <factory.h> |
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26 | |
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27 | // we include `cf_switches.h' for the maximum number of switches |
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28 | // and hope that we will not get any conflicts |
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29 | #include <cf_switches.h> |
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30 | |
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31 | #include "ftest_util.h" |
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32 | #include "ftest_io.h" |
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33 | |
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34 | //{{{ struct varSpecT |
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35 | struct varSpecT |
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36 | { |
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37 | char variable; |
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38 | CanonicalForm mipo; |
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39 | varSpecT * next; |
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40 | }; |
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41 | //}}} |
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42 | |
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43 | //{{{ struct ftestEnvT |
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44 | //{{{ docu |
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45 | // |
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46 | // struct ftestEnvT - factory environment. |
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47 | // |
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48 | //}}} |
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49 | struct ftestEnvT |
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50 | { |
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51 | int seed; |
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52 | bool seedSet; |
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53 | int characteristic; |
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54 | int extDegree; |
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55 | char extGen; |
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56 | varSpecT * varSpec; |
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57 | bool switches[CFSwitchesMax]; |
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58 | }; |
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59 | //}}} |
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60 | |
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61 | //{{{ external variables |
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62 | //{{{ docu |
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63 | // |
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64 | // - external variables. |
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65 | // |
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66 | // ftestCircle: set by ftestGetOpts() from commandline, read by |
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67 | // main(). Number of test circles. |
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68 | // ftestAlarm: set by ftestGetOpts() from commandline, read by |
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69 | // main(). |
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70 | // ftestCheckFlag: set by ftestGetOpts() from commandline, read by |
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71 | // main(). False iff checks should not be executed. |
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72 | // ftestPrintFlag: set by ftestParseOutputType() from |
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73 | // commandline, read by ftestPrintResult(). True iff there was |
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74 | // some output type specifier on commandline. |
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75 | // ftestPrintResultFlag: set by ftestParseOutputType() from |
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76 | // commandline, read by output routines. Whether to print result |
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77 | // or not. |
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78 | // |
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79 | //}}} |
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80 | int ftestCircle = 1; |
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81 | int ftestAlarm = 0; |
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82 | |
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83 | int ftestCheckFlag = 1; |
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84 | |
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85 | int ftestPrintFlag = 0; |
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86 | int ftestPrintResultFlag = 0; |
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87 | //}}} |
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88 | |
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89 | //{{{ static variables |
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90 | //{{{ docu |
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91 | // |
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92 | // - static variables. |
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93 | // |
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94 | // ftestPrint*Flag: set by ftestParseOutputType() from |
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95 | // commandline, read by output routines. Things to print/not to |
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96 | // print. Note that we need `ftestPrintFlag' and |
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97 | // `ftestPrintResultFlag' to be external. |
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98 | // ftestExecName, ftestAlgorithmName: set by ftestSetName(), read |
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99 | // by output routines. Name of executable and algorithm. |
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100 | // ftestUsage: set by ftestSetName(), read by ftestUsagePrint(). |
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101 | // Algorithm-specific usage information. |
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102 | // ftestEnv: factory environment specification. Set by |
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103 | // ftestGetEnv(), read by ftestPrintEnv() function. This |
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104 | // variable is quite spurious, but I keep it for future use. |
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105 | // ftestSwitchNames: symbolic names of switches |
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106 | // ftestSeedFile: file where to read/to which to print the random |
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107 | // generator seed. Set by ftestParseRandom(), read by |
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108 | // ftestWriteSeed(). |
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109 | // |
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110 | //}}} |
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111 | static int ftestPrintTimingFlag = 0; |
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112 | static int ftestPrintCheckFlag = 0; |
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113 | static int ftestPrintEnvFlag = 0; |
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114 | |
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115 | const char * ftestExecName = 0; |
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116 | const char * ftestAlgorithmName = 0; |
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117 | const char * ftestUsage = 0; |
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118 | |
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119 | static ftestEnvT ftestEnv; |
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120 | |
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121 | const char * ftestSwitchNames[] = |
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122 | { |
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123 | "RATIONAL", |
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124 | "QUOTIENT", |
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125 | "SYMMETRIC_FF", |
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126 | "BERLEKAMP", |
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127 | "FAC_USE_BIG_PRIMES", |
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128 | "FAC_QUADRATICLIFT", |
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129 | "USE_EZGCD", |
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130 | "USE_SPARSEMOD" |
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131 | }; |
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132 | |
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133 | static char * ftestSeedFile = 0; |
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134 | //}}} |
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135 | |
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136 | // |
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137 | // - static functions. |
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138 | // |
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139 | |
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140 | //{{{ static char * ftestConcatEnv ( char ** argv, int & optind ) |
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141 | //{{{ docu |
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142 | // |
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143 | // ftestConcatEnv() - concatenate all environment information |
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144 | // together and return the result. |
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145 | // |
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146 | // The new index into the commandline is returned in optind. |
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147 | // |
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148 | //}}} |
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149 | static char * |
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150 | ftestConcatEnv ( char ** argv, int & optind ) |
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151 | { |
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152 | // first get length |
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153 | int i = optind; |
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154 | int len = 0; |
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155 | const char * envString = getenv( "FTEST_ENV" ); |
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156 | if ( envString ) |
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157 | len = strlen( envString ); |
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158 | |
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159 | while ( (argv[i] != 0) && (*ftestSkipBlancs( argv[i] ) == '/') ) { |
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160 | len += strlen( argv[i] ); |
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161 | i++; |
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162 | } |
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163 | |
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164 | char * fEnvString = new char[len+1]; |
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165 | |
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166 | // now build string |
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167 | fEnvString[0] = '\0'; |
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168 | if ( envString ) |
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169 | strcat( fEnvString, envString ); |
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170 | |
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171 | while ( optind < i ) { |
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172 | strcat( fEnvString, argv[optind] ); |
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173 | optind++; |
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174 | } |
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175 | |
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176 | return fEnvString; |
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177 | } |
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178 | //}}} |
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179 | |
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180 | //{{{ static const char * ftestParseRandom ( const char * tokenString ) |
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181 | //{{{ docu |
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182 | // |
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183 | // ftestParseRandom() - parse random specification and set factory's |
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184 | // random generator seed. |
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185 | // |
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186 | // The results are also stored in global variable `ftestEnv'. |
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187 | // Returns pointer behind last parsed character in tokenString. |
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188 | // |
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189 | //}}} |
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190 | static const char * |
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191 | ftestParseRandom ( const char * tokenString ) |
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192 | { |
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193 | int seed = 0; |
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194 | bool seedSet = false; |
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195 | |
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196 | do { |
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197 | const char * tokenCursor; |
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198 | |
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199 | // we skip either `@' or `,' |
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200 | tokenString = ftestSkipBlancs( tokenString+1 ); |
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201 | if ( isdigit( *tokenString ) ) { |
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202 | // read seed specification from command line |
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203 | seed = (int)strtol( tokenString, (char **)&tokenCursor, 0 ); |
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204 | if ( tokenCursor == tokenString ) |
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205 | ftestError( EnvSyntaxError, |
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206 | "bad seed specification `%s'\n", |
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207 | tokenString ); |
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208 | seedSet = true; |
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209 | } else if ( isalpha( *tokenString ) ) { |
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210 | // read seed specification from file |
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211 | tokenCursor = strpbrk( tokenString, ",/" ); |
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212 | if ( ! tokenCursor ) |
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213 | tokenCursor = strchr( tokenString, '\0' ); |
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214 | |
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215 | // store file name |
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216 | int nameLen = tokenCursor-tokenString; |
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217 | ftestSeedFile = new char[nameLen+1]; |
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218 | strncpy( ftestSeedFile, tokenString, nameLen ); |
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219 | ftestSeedFile[nameLen] = '\0'; |
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220 | |
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221 | // open file, read seed, close file |
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222 | ifstream seedStream( ftestSeedFile ); |
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223 | if ( ! seedStream ) { |
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224 | if ( errno != ENOENT ) |
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225 | ftestError( FileError, |
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226 | "failed to open `%s' for reading: %s\n", ftestSeedFile, |
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227 | strerror( errno ) ); |
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228 | else if ( ! (ftestEnv.seedSet || seedSet) ) { |
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229 | // if file does not exist, set seed to some |
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230 | // default value if it has not been set before |
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231 | seed = 0; |
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232 | seedSet = true; |
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233 | } |
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234 | } else { |
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235 | // if file exists, read seed |
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236 | seedStream >> seed; |
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237 | if ( ! seedStream ) |
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238 | ftestError( FileError, |
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239 | "garbled seed in seed file `%s'\n", ftestSeedFile ); |
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240 | |
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241 | seedSet = true; |
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242 | } |
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243 | } else |
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244 | ftestError( EnvSyntaxError, |
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245 | "bad random specification `%s'\n", tokenString ); |
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246 | |
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247 | tokenString = ftestSkipBlancs( tokenCursor ); |
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248 | } while ( *tokenString == ',' ); |
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249 | |
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250 | // set seed |
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251 | ftestEnv.seedSet = seedSet; |
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252 | if ( seedSet ) { |
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253 | ftestEnv.seed = seed; |
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254 | factoryseed( seed ); |
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255 | } |
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256 | |
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257 | return tokenString; |
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258 | } |
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259 | //}}} |
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260 | |
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261 | //{{{ static const char * ftestParseChar ( const char * tokenString ) |
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262 | //{{{ docu |
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263 | // |
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264 | // ftestParseChar() - parse characteristic specification and set factory's |
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265 | // characteristic. |
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266 | // |
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267 | // The results are also stored in global variable `ftestEnv'. |
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268 | // Returns pointer behind last parsed character in tokenString. |
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269 | // |
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270 | //}}} |
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271 | static const char * |
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272 | ftestParseChar ( const char * tokenString ) |
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273 | { |
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274 | const char * tokenCursor; |
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275 | int characteristic = 0; |
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276 | int extDegree = 0; |
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277 | char extGen = 'Z'; |
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278 | |
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279 | characteristic = (int)strtol( tokenString, (char **)&tokenCursor, 0 ); |
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280 | tokenString = ftestSkipBlancs( tokenCursor ); |
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281 | |
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282 | // look for exponent |
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283 | if ( *tokenString == '^' ) { |
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284 | tokenString++; |
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285 | extDegree = (int)strtol( tokenString, (char **)&tokenCursor, 0 ); |
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286 | if ( tokenCursor == tokenString ) |
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287 | ftestError( EnvSyntaxError, |
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288 | "bad exponent in char specification `%s'\n", |
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289 | tokenString ); |
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290 | tokenString = ftestSkipBlancs( tokenCursor ); |
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291 | // look for generator |
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292 | if ( *tokenString == ',' ) { |
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293 | tokenString = ftestSkipBlancs( tokenString+1 ); |
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294 | if ( isalpha( *tokenString ) ) { |
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295 | extGen = *tokenString; |
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296 | tokenString++; |
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297 | } else |
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298 | ftestError( EnvSyntaxError, |
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299 | "bad generator in char specification `%s'\n", |
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300 | tokenString ); |
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301 | } |
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302 | } |
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303 | |
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304 | // set characteristic |
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305 | ftestEnv.characteristic = characteristic; |
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306 | if ( extDegree ) { |
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307 | ftestEnv.extDegree = extDegree; |
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308 | ftestEnv.extGen = extGen; |
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309 | setCharacteristic( characteristic, extDegree, extGen ); |
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310 | } else |
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311 | setCharacteristic( characteristic ); |
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312 | |
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313 | return tokenString; |
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314 | } |
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315 | //}}} |
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316 | |
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317 | //{{{ static const char * ftestParseSwitches ( const char * tokenString ) |
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318 | //{{{ docu |
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319 | // |
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320 | // ftestParseSwitches() - parse switch specification and set factory's |
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321 | // switches. |
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322 | // |
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323 | // The results are also stored in global variable `ftestEnv'. |
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324 | // Returns pointer behind last parsed character in tokenString. |
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325 | // |
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326 | //}}} |
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327 | static const char * |
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328 | ftestParseSwitches ( const char * tokenString ) |
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329 | { |
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330 | unsigned int switchNumber; |
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331 | bool switchSetting; |
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332 | |
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333 | while ( *tokenString == '+' || *tokenString == '-' ) { |
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334 | const char * tokenCursor; |
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335 | if ( *tokenString == '+' ) |
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336 | switchSetting = true; |
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337 | else |
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338 | switchSetting = false; |
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339 | tokenString = ftestSkipBlancs( tokenString+1 ); |
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340 | |
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341 | // skip optional leading "SW_" |
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342 | tokenString = ftestSubStr( "SW_", tokenString ); |
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343 | |
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344 | // now search name of switch |
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345 | for ( switchNumber = 0; |
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346 | switchNumber < sizeof( ftestSwitchNames ) / sizeof( char* ); |
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347 | switchNumber++ ) |
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348 | if ( (tokenCursor = ftestSubStr( ftestSwitchNames[switchNumber], tokenString )) |
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349 | != tokenString ) |
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350 | break; |
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351 | |
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352 | if ( tokenCursor == tokenString ) |
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353 | ftestError( EnvSyntaxError, |
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354 | "unknown switch `%s'\n", tokenString ); |
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355 | |
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356 | // set switch |
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357 | ftestEnv.switches[switchNumber] = switchSetting; |
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358 | if ( switchSetting ) |
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359 | On( switchNumber ); |
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360 | else |
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361 | Off( switchNumber ); |
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362 | |
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363 | tokenString = ftestSkipBlancs( tokenCursor ); |
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364 | } |
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365 | |
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366 | return tokenString; |
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367 | } |
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368 | //}}} |
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369 | |
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370 | //{{{ static const char * ftestParseVars ( const char * tokenString ) |
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371 | //{{{ docu |
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372 | // |
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373 | // ftestParseVars() - parse variable specification and set factory's |
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374 | // variable. |
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375 | // |
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376 | // The results are also stored in global variable `ftestEnv'. |
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377 | // Returns pointer behind last parsed character in tokenString. |
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378 | // |
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379 | //}}} |
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380 | static const char * |
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381 | ftestParseVars ( const char * tokenString ) |
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382 | { |
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383 | char variable; |
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384 | CanonicalForm mipo = 0; |
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385 | Variable * dummy; |
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386 | |
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387 | // we append at end of list |
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388 | static varSpecT * endOfVarSpec = 0; |
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389 | varSpecT * varSpec; |
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390 | |
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391 | while ( isalpha( *tokenString ) ) { |
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392 | variable = *tokenString; |
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393 | mipo = 0; |
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394 | |
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395 | tokenString = ftestSkipBlancs( tokenString+1 ); |
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396 | |
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397 | // look for mipo |
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398 | if ( *tokenString == '=' ) { |
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399 | const char * tokenCursor; |
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400 | tokenString = ftestSkipBlancs( tokenString+1 ); |
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401 | |
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402 | // search for end of mipo |
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403 | tokenCursor = strpbrk( tokenString, ",/" ); |
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404 | if ( ! tokenCursor ) |
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405 | tokenCursor = strchr( tokenString, '\0' ); |
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406 | |
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407 | // copy mipo to new string and read it |
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408 | int mipoLen = tokenCursor-tokenString; |
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409 | char * mipoString = new char[mipoLen+1]; |
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410 | strncpy( mipoString, tokenString, mipoLen ); |
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411 | mipoString[mipoLen] = '\0'; |
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412 | ftestReadString( mipoString, mipo ); |
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413 | delete [] mipoString; |
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414 | |
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415 | tokenString = ftestSkipBlancs( tokenCursor ); |
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416 | } |
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417 | if ( *tokenString == ',' ) |
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418 | // skip optional separator |
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419 | tokenString = ftestSkipBlancs( tokenString+1 ); |
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420 | |
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421 | // store information in ftestEnv |
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422 | varSpec = new varSpecT; |
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423 | varSpec->variable = variable; |
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424 | varSpec->mipo = mipo; |
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425 | varSpec->next = 0; |
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426 | if ( ftestEnv.varSpec ) |
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427 | endOfVarSpec->next = varSpec; |
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428 | else |
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429 | ftestEnv.varSpec = varSpec; |
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430 | endOfVarSpec = varSpec; |
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431 | |
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432 | // set variable |
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433 | if ( mipo.isZero() ) |
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434 | // polynomial variable |
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435 | dummy = new Variable( variable ); |
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436 | else |
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437 | dummy = new Variable( rootOf( mipo, variable ) ); |
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438 | // we only need the global information |
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439 | delete dummy; |
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440 | } |
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441 | |
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442 | return tokenString; |
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443 | } |
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444 | //}}} |
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445 | |
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446 | //{{{ static void ftestParseEnv ( const char * tokenString ) |
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447 | //{{{ docu |
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448 | // |
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449 | // ftestParseEnv() - parse environment specification and set factory's |
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450 | // environment. |
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451 | // |
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452 | // The results are also stored in global variable `ftestEnv'. |
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453 | // |
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454 | // The parser is quite simple. As long as `tokenString' starts |
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455 | // with a `/', he looks up the next character to determine which |
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456 | // token follows and parses it. The functions used to do this |
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457 | // should leave `tokenString' behind the last character it |
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458 | // succeeded to read. |
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459 | // |
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460 | //}}} |
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461 | static void |
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462 | ftestParseEnv ( const char * tokenString ) |
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463 | { |
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464 | // read list of environment specifications |
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465 | tokenString = ftestSkipBlancs( tokenString ); |
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466 | while ( *tokenString == '/' ) { |
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467 | tokenString = ftestSkipBlancs( tokenString+1 ); |
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468 | |
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469 | if ( *tokenString == '@' ) { |
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470 | // random specification |
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471 | tokenString = ftestParseRandom( tokenString ); |
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472 | } else if ( isdigit( *tokenString ) ) { |
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473 | // specification of characteristics |
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474 | tokenString = ftestParseChar( tokenString ); |
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475 | } else if ( *tokenString == '+' || *tokenString == '-' ) { |
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476 | // specification of switches |
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477 | tokenString = ftestParseSwitches( tokenString ); |
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478 | } else if ( isalpha( *tokenString ) ) { |
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479 | // specification of variables |
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480 | tokenString = ftestParseVars( tokenString ); |
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481 | } |
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482 | tokenString = ftestSkipBlancs( tokenString ); |
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483 | } |
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484 | |
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485 | // check if we reached end |
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486 | if ( *tokenString ) |
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487 | ftestError( EnvSyntaxError, |
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488 | "extra characters in environment specification list `%s'\n", |
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489 | tokenString ); |
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490 | } |
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491 | //}}} |
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492 | |
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493 | //{{{ static void ftestParseOutputType ( const char * outputType ) |
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494 | //{{{ docu |
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495 | // |
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496 | // ftestParseOutputType() - parse output type and set ftestPrint*Flags. |
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497 | // |
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498 | //}}} |
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499 | static void |
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500 | ftestParseOutputType ( const char * outputType ) |
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501 | { |
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502 | ftestPrintFlag = 1; |
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503 | while ( *outputType ) { |
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504 | switch ( *outputType ) { |
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505 | case 'r': ftestPrintResultFlag = 1; break; |
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506 | case 't': ftestPrintTimingFlag = 1; break; |
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507 | case 'c': ftestPrintCheckFlag = 1; break; |
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508 | case 'e': ftestPrintEnvFlag = 1; break; |
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509 | case 'a': |
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510 | ftestPrintResultFlag = 1; |
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511 | ftestPrintCheckFlag = 1; |
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512 | ftestPrintTimingFlag = 1; |
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513 | ftestPrintEnvFlag = 1; break; |
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514 | default: ftestError( CommandlineError, "unknown output type specifier `%c'\n", *outputType ); |
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515 | } |
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516 | outputType++; |
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517 | } |
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518 | } |
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519 | //}}} |
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520 | |
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521 | //{{{ static void ftestSignalHandler ( int signal ), static void ftestAlarmlHandler ( int ) |
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522 | //{{{ docu |
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523 | // |
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524 | // ftestSignalHandler(), ftestAlarmHandler() - signal handlers. |
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525 | // |
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526 | // Blocks new signals, flushes `cout', and calls `ftestError()'. |
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527 | // |
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528 | //}}} |
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529 | static void |
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530 | ftestSignalHandler ( int signal ) |
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531 | { |
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532 | ftestSignalCatch( true ); |
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533 | cout.flush(); |
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534 | ftestError( (ftestErrorT)((int)SignalError + signal ), |
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535 | "received signal %d\n", signal ); |
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536 | } |
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537 | static void |
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538 | ftestAlarmHandler ( int ) |
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539 | { |
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540 | ftestSignalCatch( true ); |
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541 | cout.flush(); |
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542 | ftestError( TimeoutError, "timeout after %d secs\n", ftestAlarm ); |
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543 | } |
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544 | //}}} |
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545 | |
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546 | // |
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547 | // - external functions. |
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548 | // |
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549 | |
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550 | //{{{ const char * ftestSkipBlancs ( const char * string ) |
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551 | //{{{ docu |
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552 | // |
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553 | // ftestSkipBlancs() - skip all leading blancs in string. |
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554 | // |
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555 | // Return new position. |
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556 | // |
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557 | //}}} |
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558 | const char * |
---|
559 | ftestSkipBlancs ( const char * string ) |
---|
560 | { |
---|
561 | while ( *string && isspace( *string ) ) |
---|
562 | string++; |
---|
563 | return string; |
---|
564 | } |
---|
565 | //}}} |
---|
566 | |
---|
567 | //{{{ char * ftestCutBlancs ( char * string ) |
---|
568 | //{{{ docu |
---|
569 | // |
---|
570 | // ftestCutBlancs() - cut off all trailing blancs in `string'. |
---|
571 | // |
---|
572 | // Returns `string' unchanged. |
---|
573 | // |
---|
574 | //}}} |
---|
575 | char * |
---|
576 | ftestCutBlancs ( char * string ) |
---|
577 | { |
---|
578 | char * stringCursor = string + strlen( string ); |
---|
579 | |
---|
580 | while ( (string != stringCursor) |
---|
581 | && isspace( *(stringCursor-1) ) ) |
---|
582 | stringCursor--; |
---|
583 | |
---|
584 | *stringCursor = '\0'; |
---|
585 | return string; |
---|
586 | } |
---|
587 | //}}} |
---|
588 | |
---|
589 | //{{{ const char * ftestSubStr ( const char * subString, const char * string ) |
---|
590 | //{{{ docu |
---|
591 | // |
---|
592 | // ftestSubStr() - check whether subString is a substring of string. |
---|
593 | // |
---|
594 | // If so, return index behind subString in string, otherwise |
---|
595 | // string. |
---|
596 | // |
---|
597 | //}}} |
---|
598 | const char * |
---|
599 | ftestSubStr ( const char * subString, const char * string ) |
---|
600 | { |
---|
601 | const char * stringStart = string; |
---|
602 | |
---|
603 | while ( *subString && *subString == *string ) { |
---|
604 | subString++; string++; |
---|
605 | } |
---|
606 | |
---|
607 | if ( *subString ) |
---|
608 | return stringStart; |
---|
609 | else |
---|
610 | return string; |
---|
611 | } |
---|
612 | //}}} |
---|
613 | |
---|
614 | //{{{ void ftestError ( ftestErrorT errno, const char * format ... ) |
---|
615 | //{{{ docu |
---|
616 | // |
---|
617 | // ftestError() - main error handler. |
---|
618 | // |
---|
619 | // Prints error message consisting of formatString and following |
---|
620 | // arguments, some additional information, and exits with errno. |
---|
621 | // In case of an `CheckError', does not exit but returns to the |
---|
622 | // caller. |
---|
623 | // |
---|
624 | //}}} |
---|
625 | void |
---|
626 | ftestError ( ftestErrorT errno, const char * format ... ) |
---|
627 | { |
---|
628 | // print error message |
---|
629 | if ( format ) { |
---|
630 | if ( errno != CheckError ) |
---|
631 | fprintf( stderr, "%s: ", ftestExecName ); |
---|
632 | else |
---|
633 | fprintf( stderr, "%s(CheckError): ", ftestExecName ); |
---|
634 | va_list ap; |
---|
635 | va_start( ap, format ); |
---|
636 | vfprintf( stderr, format, ap ); |
---|
637 | va_end( ap ); |
---|
638 | } |
---|
639 | |
---|
640 | switch ( errno ) { |
---|
641 | case noError: |
---|
642 | return; |
---|
643 | case CommandlineError: |
---|
644 | case EnvSyntaxError: |
---|
645 | case CanFormSpecError: |
---|
646 | ftestUsagePrint(); |
---|
647 | break; |
---|
648 | case FileError: |
---|
649 | break; |
---|
650 | case CheckError: |
---|
651 | return; |
---|
652 | case TimeoutError: |
---|
653 | if ( ftestPrintTimingFlag ) |
---|
654 | cout << "Time:\t\t> " << (float)ftestAlarm << endl; |
---|
655 | if ( ftestPrintCheckFlag ) |
---|
656 | cout << "Check:\t\tTime Out" << endl; |
---|
657 | break; |
---|
658 | default: |
---|
659 | if ( ftestPrintCheckFlag ) |
---|
660 | cout << "Check:\t\tReceived Signal " << (int)errno-(int)SignalError << endl; |
---|
661 | } |
---|
662 | exit( errno ); |
---|
663 | } |
---|
664 | //}}} |
---|
665 | |
---|
666 | //{{{ void ftestUsagePrint ( const char * additionalUsage ) |
---|
667 | //{{{ docu |
---|
668 | // |
---|
669 | // ftestUsagePrint() - print usage message to stderr. |
---|
670 | // |
---|
671 | // We use the static variable `ftestUsage' to do so. If |
---|
672 | // `additionalUsage' is non-zero, we print it after |
---|
673 | // `ftestUsage', otherwise some short reference where to find |
---|
674 | // more information. |
---|
675 | // |
---|
676 | //}}} |
---|
677 | void |
---|
678 | ftestUsagePrint ( const char * additionalUsage ) |
---|
679 | { |
---|
680 | cerr << ftestUsage << flush; |
---|
681 | if ( ! additionalUsage ) |
---|
682 | cerr << " |
---|
683 | For a descriptions of the features common to all programs of the |
---|
684 | Factory Test Environment, call `feval -?' (exactly in this way). |
---|
685 | " << endl; |
---|
686 | else |
---|
687 | cerr << additionalUsage << endl; |
---|
688 | } |
---|
689 | //}}} |
---|
690 | |
---|
691 | //{{{ void ftestSignalCatch ( bool block ) |
---|
692 | //{{{ docu |
---|
693 | // |
---|
694 | // ftestSignalCatch() - set signal and alarm handlers. |
---|
695 | // |
---|
696 | // If block is true block the signals instead. |
---|
697 | // |
---|
698 | //}}} |
---|
699 | void |
---|
700 | ftestSignalCatch ( bool block ) |
---|
701 | { |
---|
702 | void (*signalHandler)( int ); |
---|
703 | void (*alarmHandler)( int ); |
---|
704 | |
---|
705 | if ( block ) { |
---|
706 | signalHandler = 0; |
---|
707 | alarmHandler = 0; |
---|
708 | } else { |
---|
709 | signalHandler = ftestSignalHandler; |
---|
710 | alarmHandler = ftestAlarmHandler; |
---|
711 | } |
---|
712 | |
---|
713 | #ifdef SIGHUP |
---|
714 | signal( SIGHUP, signalHandler ); |
---|
715 | #endif |
---|
716 | #ifdef SIGINT |
---|
717 | signal( SIGINT, signalHandler ); |
---|
718 | #endif |
---|
719 | #ifdef SIGQUIT |
---|
720 | signal( SIGQUIT, signalHandler ); |
---|
721 | #endif |
---|
722 | #ifdef SIGILL |
---|
723 | signal( SIGILL, signalHandler ); |
---|
724 | #endif |
---|
725 | #ifdef SIGIOT |
---|
726 | signal( SIGIOT, signalHandler ); |
---|
727 | #endif |
---|
728 | #ifdef SIGFPE |
---|
729 | signal( SIGFPE, signalHandler ); |
---|
730 | #endif |
---|
731 | #ifdef SIGBUS |
---|
732 | signal( SIGBUS, signalHandler ); |
---|
733 | #endif |
---|
734 | #ifdef SIGSEGV |
---|
735 | signal( SIGSEGV, signalHandler ); |
---|
736 | #endif |
---|
737 | #ifdef SIGTERM |
---|
738 | signal( SIGTERM, signalHandler ); |
---|
739 | #endif |
---|
740 | |
---|
741 | // alarm handler |
---|
742 | signal( SIGALRM, alarmHandler ); |
---|
743 | } |
---|
744 | //}}} |
---|
745 | |
---|
746 | //{{{ void ftestSetName ( const char * execName, const char * algorithmName, const char * usage ) |
---|
747 | //{{{ docu |
---|
748 | // |
---|
749 | // ftestSetName() - set name of executable and algorithm. |
---|
750 | // |
---|
751 | //}}} |
---|
752 | void |
---|
753 | ftestSetName ( const char * execName, const char * algorithmName, const char * usage ) |
---|
754 | { |
---|
755 | ftestExecName = execName; |
---|
756 | ftestAlgorithmName = algorithmName; |
---|
757 | ftestUsage = usage; |
---|
758 | } |
---|
759 | //}}} |
---|
760 | |
---|
761 | //{{{ void ftestGetOpts ( int argc, char ** argv, int & optind ) |
---|
762 | //{{{ docu |
---|
763 | // |
---|
764 | // ftestGetOpts() - read options from commandline. |
---|
765 | // |
---|
766 | // Returns new index into commandline in `optind'. |
---|
767 | // |
---|
768 | //}}} |
---|
769 | void |
---|
770 | ftestGetOpts ( int argc, char ** argv, int & optind ) |
---|
771 | { |
---|
772 | // parse command line |
---|
773 | int optionChar; |
---|
774 | const char * outputType = 0; |
---|
775 | const char * envString = 0; |
---|
776 | |
---|
777 | // read from environment first |
---|
778 | envString = getenv( "FTEST_ALARM" ); |
---|
779 | if ( envString ) |
---|
780 | ftestAlarm = (int)strtol( envString, 0, 0 ); |
---|
781 | envString = getenv( "FTEST_CIRCLE" ); |
---|
782 | if ( envString ) |
---|
783 | ftestCircle = (int)strtol( envString, 0, 0 ); |
---|
784 | |
---|
785 | // parse options |
---|
786 | while ( (optionChar = getopt( argc, argv, "a:o:c:t" )) != -1 ) { |
---|
787 | switch ( optionChar ) { |
---|
788 | case 'a': ftestAlarm = (int)strtol( optarg, 0, 0 ); break; |
---|
789 | case 'c': ftestCircle = (int)strtol( optarg, 0, 0 ); break; |
---|
790 | case 'o': outputType = optarg; break; |
---|
791 | case 't': ftestCheckFlag = false; break; |
---|
792 | default: ftestError( CommandlineError, 0 ); |
---|
793 | } |
---|
794 | } |
---|
795 | optind = ::optind; |
---|
796 | |
---|
797 | if ( outputType ) |
---|
798 | ftestParseOutputType( outputType ); |
---|
799 | } |
---|
800 | //}}} |
---|
801 | |
---|
802 | //{{{ void ftestGetEnv ( int, char ** argv, int & optind ) |
---|
803 | //{{{ docu |
---|
804 | // |
---|
805 | // ftestGetEnv() - read factory environment specs, set environment. |
---|
806 | // |
---|
807 | // The new index into the commandline is returned in optind. |
---|
808 | // The results are stored in global variable `ftestEnv'. |
---|
809 | // |
---|
810 | //}}} |
---|
811 | void |
---|
812 | ftestGetEnv ( int, char ** argv, int & optind ) |
---|
813 | { |
---|
814 | // initialize environment |
---|
815 | ftestEnv.seed = 0; |
---|
816 | ftestEnv.seedSet = false; |
---|
817 | ftestEnv.characteristic = 0; |
---|
818 | ftestEnv.extDegree = 0; |
---|
819 | ftestEnv.extGen = 'Z'; |
---|
820 | ftestEnv.varSpec = 0; |
---|
821 | for ( int i = 0; i < CFSwitchesMax; i++ ) |
---|
822 | ftestEnv.switches[i] = false; |
---|
823 | |
---|
824 | char * envString = ftestConcatEnv( argv, optind ); |
---|
825 | ftestParseEnv( envString ); |
---|
826 | delete [] envString; |
---|
827 | } |
---|
828 | //}}} |
---|
829 | |
---|
830 | //{{{ bool ftestSearchTaggedArg ( int, char ** argv, int & optind, const char * optionTag ) |
---|
831 | //{{{ docu |
---|
832 | // |
---|
833 | // ftestSearchTaggedArg() - search for tagged argument. |
---|
834 | // |
---|
835 | // If the current argument (`argv[ optind ]') is of the form |
---|
836 | // `<tag>=<value>', where `<tag>' is a substring of |
---|
837 | // `<optionTag>', the current argument is modified to point |
---|
838 | // directly after the `=' sign and `true' is returned. |
---|
839 | // |
---|
840 | // Otherwise, `false' is returned. |
---|
841 | // |
---|
842 | // Note: There may be arbitrary white-space between the several |
---|
843 | // tokens of the tagged argument, but the tokens must not span |
---|
844 | // more than one argument. |
---|
845 | // |
---|
846 | //}}} |
---|
847 | bool |
---|
848 | ftestSearchTaggedArg ( int, char ** argv, int & optind, const char * optionTag ) |
---|
849 | { |
---|
850 | const char * tokenCursor; |
---|
851 | const char * tokenString = argv[ optind ]; |
---|
852 | int tokenLen; |
---|
853 | |
---|
854 | // check for end of argument list |
---|
855 | if ( ! tokenString ) |
---|
856 | return false; |
---|
857 | |
---|
858 | // skip leading blancs |
---|
859 | tokenString = ftestSkipBlancs( tokenString ); |
---|
860 | |
---|
861 | // check whether it is a tagged argument |
---|
862 | tokenCursor = strchr( tokenString, '=' ); |
---|
863 | if ( ! tokenCursor ) |
---|
864 | return false; |
---|
865 | tokenLen = tokenCursor - tokenString; |
---|
866 | |
---|
867 | // isolate possible keyword |
---|
868 | char * keyword = new char[ tokenLen+1 ]; |
---|
869 | strncpy( keyword, tokenString, tokenLen ); |
---|
870 | keyword[ tokenLen ] = '\0'; |
---|
871 | ftestCutBlancs( keyword ); |
---|
872 | |
---|
873 | // advance tokenString after `=' sign |
---|
874 | tokenString = tokenCursor+1; |
---|
875 | |
---|
876 | // check whether keyword is a substring of `optionTag' |
---|
877 | tokenCursor = ftestSubStr( keyword, optionTag ); |
---|
878 | if ( tokenCursor == optionTag ) { |
---|
879 | // optionTag not found |
---|
880 | delete [] keyword; |
---|
881 | return false; |
---|
882 | } else { |
---|
883 | argv[ optind ] = (char *)tokenString; |
---|
884 | return true; |
---|
885 | } |
---|
886 | } |
---|
887 | //}}} |
---|
888 | |
---|
889 | //{{{ void ftestWriteSeed () |
---|
890 | //{{{ docu |
---|
891 | // |
---|
892 | // ftestWriteSeed() - write current seed to seed file. |
---|
893 | // |
---|
894 | //}}} |
---|
895 | void |
---|
896 | ftestWriteSeed () |
---|
897 | { |
---|
898 | if ( ftestSeedFile ) { |
---|
899 | ofstream seedStream( ftestSeedFile ); |
---|
900 | if ( ! seedStream ) |
---|
901 | ftestError( FileError, |
---|
902 | "failed to open `%s' for writing: %s\n", ftestSeedFile, |
---|
903 | strerror( errno ) ); |
---|
904 | seedStream << factoryrandom( 0 ) << endl; |
---|
905 | } |
---|
906 | } |
---|
907 | //}}} |
---|
908 | |
---|
909 | //{{{ void ftestPrintTimer ( long timer ) |
---|
910 | //{{{ docu |
---|
911 | // |
---|
912 | // ftestPrintTimer() - print value of timer. |
---|
913 | // |
---|
914 | //}}} |
---|
915 | void |
---|
916 | ftestPrintTimer ( long timer ) |
---|
917 | { |
---|
918 | if ( ftestPrintTimingFlag ) |
---|
919 | cout << "Time:\t\t" << (float)timer / HZ << endl; |
---|
920 | } |
---|
921 | //}}} |
---|
922 | |
---|
923 | //{{{ void ftestPrintCheck ( ftestSatusT check ) |
---|
924 | //{{{ docu |
---|
925 | // |
---|
926 | // ftestPrintCheck() - print status of checks. |
---|
927 | // |
---|
928 | //}}} |
---|
929 | void |
---|
930 | ftestPrintCheck ( ftestStatusT check ) |
---|
931 | { |
---|
932 | if ( ftestPrintCheckFlag ) { |
---|
933 | char * checkStr = 0; |
---|
934 | |
---|
935 | switch (check) { |
---|
936 | case Passed: checkStr = "Passed"; break; |
---|
937 | case Failed: checkStr = "Failed"; break; |
---|
938 | case UndefinedResult: checkStr = "Undefined"; break; |
---|
939 | default: checkStr = "Error!"; |
---|
940 | } |
---|
941 | |
---|
942 | cout << "Check:\t\t" << checkStr << endl; |
---|
943 | } |
---|
944 | } |
---|
945 | //}}} |
---|
946 | |
---|
947 | //{{{ void ftestPrintEnv () |
---|
948 | //{{{ docu |
---|
949 | // |
---|
950 | // ftestPrintEnv() - print current factory environment. |
---|
951 | // |
---|
952 | // The environment ist read from `ftestEnv'. |
---|
953 | // |
---|
954 | //}}} |
---|
955 | void |
---|
956 | ftestPrintEnv () |
---|
957 | { |
---|
958 | if ( ftestPrintEnvFlag ) { |
---|
959 | // characteristic |
---|
960 | if ( ftestEnv.extDegree ) |
---|
961 | cout << "Characteristic:\t" << ftestEnv.characteristic |
---|
962 | << '^' << ftestEnv.extDegree |
---|
963 | << '(' << ftestEnv.extGen << ')' << endl; |
---|
964 | else |
---|
965 | cout << "Characteristic:\t" << ftestEnv.characteristic << endl; |
---|
966 | |
---|
967 | // switches |
---|
968 | bool switchSet = false; |
---|
969 | cout << "Switches:\t"; |
---|
970 | for ( int i = 0; i < CFSwitchesMax; i++ ) |
---|
971 | if ( ftestEnv.switches[i] ) { |
---|
972 | switchSet = true; |
---|
973 | cout << ftestSwitchNames[i] << ' '; |
---|
974 | } |
---|
975 | if ( ! switchSet ) |
---|
976 | cout << "(not set)" << endl; |
---|
977 | else |
---|
978 | cout << endl; |
---|
979 | |
---|
980 | // variables |
---|
981 | varSpecT * varSpec = ftestEnv.varSpec; |
---|
982 | cout << "Variables:\t"; |
---|
983 | if ( ! varSpec ) |
---|
984 | cout << "(not specified)" << endl; |
---|
985 | else { |
---|
986 | while ( varSpec ) { |
---|
987 | if ( varSpec->mipo.isZero() ) |
---|
988 | cout << varSpec->variable |
---|
989 | << "(" << Variable( varSpec->variable ).level() << ") "; |
---|
990 | else { |
---|
991 | cout << varSpec->variable |
---|
992 | << "(" << Variable( varSpec->variable ).level() |
---|
993 | << ", " << varSpec->mipo << ") "; |
---|
994 | } |
---|
995 | varSpec = varSpec->next; |
---|
996 | } |
---|
997 | cout << endl; |
---|
998 | } |
---|
999 | |
---|
1000 | // number of repetitions |
---|
1001 | cout << "Circles:\t" << ftestCircle << endl; |
---|
1002 | |
---|
1003 | // random generator seed |
---|
1004 | if ( ftestEnv.seedSet ) |
---|
1005 | cout << "Seed:\t\t" << ftestEnv.seed << endl; |
---|
1006 | else |
---|
1007 | cout << "Seed:\t\t(not set)" << endl; |
---|
1008 | |
---|
1009 | // factory version |
---|
1010 | const char * version; |
---|
1011 | version = strchr( factoryVersion, '=' )+2; |
---|
1012 | cout << "Version:\t" << version << endl; |
---|
1013 | } |
---|
1014 | } |
---|
1015 | //}}} |
---|
1016 | |
---|
1017 | // |
---|
1018 | // - garbage. |
---|
1019 | // |
---|
1020 | |
---|
1021 | #if 0 |
---|
1022 | //{{{ static size_t ftestStrLen( const char * string ) |
---|
1023 | //{{{ docu |
---|
1024 | // |
---|
1025 | // ftestStrLen() - return length of string, 0 for zero pointer. |
---|
1026 | // |
---|
1027 | //}}} |
---|
1028 | static size_t |
---|
1029 | ftestStrLen( const char * string ) |
---|
1030 | { |
---|
1031 | return string ? strlen( string ) : 0; |
---|
1032 | } |
---|
1033 | //}}} |
---|
1034 | |
---|
1035 | //{{{ static char * ftestStrCat (char * to, const char * from) |
---|
1036 | //{{{ docu |
---|
1037 | // |
---|
1038 | // ftestStrCat() - concatenate (maybe empty) from and to. |
---|
1039 | // |
---|
1040 | //}}} |
---|
1041 | static char * |
---|
1042 | ftestStrCat (char * to, const char * from) |
---|
1043 | { |
---|
1044 | if ( from ) |
---|
1045 | strcat( to, from ); |
---|
1046 | return to; |
---|
1047 | } |
---|
1048 | //}}} |
---|
1049 | |
---|
1050 | //{{{ static void ftestSetRandom () |
---|
1051 | //{{{ docu |
---|
1052 | // |
---|
1053 | // ftestSetRandom() - set random generator seed from `ftestEnv'. |
---|
1054 | // |
---|
1055 | // This function is quite spurious, but I keep it for future |
---|
1056 | // use. |
---|
1057 | // |
---|
1058 | //}}} |
---|
1059 | static void |
---|
1060 | ftestSetRandom () |
---|
1061 | { |
---|
1062 | if ( ftestEnv.seedSet ) |
---|
1063 | factoryseed( ftestEnv.seed ); |
---|
1064 | } |
---|
1065 | //}}} |
---|
1066 | |
---|
1067 | //{{{ static void ftestSetChar ( bool reset = false ) |
---|
1068 | //{{{ docu |
---|
1069 | // |
---|
1070 | // ftestSetChar() - set characteristic from `ftestEnv'. |
---|
1071 | // |
---|
1072 | // If reset is true, reset characteristic to default. |
---|
1073 | // |
---|
1074 | // This function is quite spurious, but I keep it for future |
---|
1075 | // use. |
---|
1076 | // |
---|
1077 | //}}} |
---|
1078 | static void |
---|
1079 | ftestSetChar ( bool reset = false ) |
---|
1080 | { |
---|
1081 | if ( reset ) |
---|
1082 | setCharacteristic( 0 ); |
---|
1083 | else |
---|
1084 | if ( ftestEnv.extDegree ) |
---|
1085 | setCharacteristic( ftestEnv.characteristic, |
---|
1086 | ftestEnv.extDegree, |
---|
1087 | ftestEnv.extGen ); |
---|
1088 | else |
---|
1089 | setCharacteristic( ftestEnv.characteristic ); |
---|
1090 | } |
---|
1091 | //}}} |
---|
1092 | |
---|
1093 | //{{{ static void ftestSetSwitches ( bool reset = false ) |
---|
1094 | //{{{ docu |
---|
1095 | // |
---|
1096 | // ftestSetSwitches() - set switches from `ftestEnv'. |
---|
1097 | // |
---|
1098 | // If reset is true, reset switches to default. |
---|
1099 | // |
---|
1100 | // This function is quite spurious, but I keep it for future |
---|
1101 | // use. |
---|
1102 | // |
---|
1103 | //}}} |
---|
1104 | static void |
---|
1105 | ftestSetSwitches ( bool reset = false ) |
---|
1106 | { |
---|
1107 | int i; |
---|
1108 | |
---|
1109 | if ( reset ) |
---|
1110 | for ( i = 0; i < CFSwitchesMax; i ++ ) |
---|
1111 | Off( i ); |
---|
1112 | else |
---|
1113 | for ( i = 0; i < CFSwitchesMax; i ++ ) |
---|
1114 | if ( ftestEnv.switches[i] ) |
---|
1115 | On( i ); |
---|
1116 | } |
---|
1117 | //}}} |
---|
1118 | |
---|
1119 | //{{{ static void ftestSetVars () |
---|
1120 | //{{{ docu |
---|
1121 | // |
---|
1122 | // ftestSetVars() - set variables from `ftestEnv'. |
---|
1123 | // |
---|
1124 | // This function is quite spurious, but I keep it for future |
---|
1125 | // use. |
---|
1126 | // |
---|
1127 | //}}} |
---|
1128 | static void |
---|
1129 | ftestSetVars () |
---|
1130 | { |
---|
1131 | varSpecT * varSpec = ftestEnv.varSpec; |
---|
1132 | Variable * dummy; |
---|
1133 | |
---|
1134 | while ( varSpec ) { |
---|
1135 | if ( varSpec->mipo.isZero() ) |
---|
1136 | // polynomial variable |
---|
1137 | dummy = new Variable( varSpec->variable ); |
---|
1138 | else |
---|
1139 | dummy = new Variable( rootOf( varSpec->mipo, varSpec->variable ) ); |
---|
1140 | |
---|
1141 | varSpec = varSpec->next; |
---|
1142 | } |
---|
1143 | } |
---|
1144 | //}}} |
---|
1145 | |
---|
1146 | //{{{ void ftestSetEnv () |
---|
1147 | //{{{ docu |
---|
1148 | // |
---|
1149 | // ftestSetEnv() - set environment from `ftestEnv'. |
---|
1150 | // |
---|
1151 | // This function is quite spurious, but I keep it for future |
---|
1152 | // use. |
---|
1153 | // |
---|
1154 | //}}} |
---|
1155 | void |
---|
1156 | ftestSetEnv () |
---|
1157 | { |
---|
1158 | ftestSetRandom(); |
---|
1159 | ftestSetSwitches(); |
---|
1160 | ftestSetChar(); |
---|
1161 | ftestSetVars(); |
---|
1162 | } |
---|
1163 | //}}} |
---|
1164 | #endif |
---|