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1 // Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // f32test\math\t_gen32.cpp |
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15 // Generates files to be used in testing whether arithmetic in TReal32 gives |
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16 // exactly the same results using the MSDEV complier as on the rack. |
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17 // |
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18 // |
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19 |
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20 #include <f32file.h> |
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21 #include <e32svr.h> |
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22 #include "t_math.h" |
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23 #include "../server/t_server.h" |
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24 |
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25 #if defined(__VC32__) |
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26 // |
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27 // Some symbols generated by the VC++ compiler for floating point stuff. |
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28 // |
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29 extern "C" { |
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30 GLDEF_D TInt _adj_fdiv_m32; |
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31 } |
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32 #endif |
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33 |
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34 GLDEF_D RTest test(_L("T_GEN32")); |
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35 |
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36 LOCAL_D RFile f; |
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37 LOCAL_D const TFileName fileName32 = _L("T_REAL32.H"); |
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38 |
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39 LOCAL_D const TFileName pathName = _L("C:\\E32-MATH\\"); |
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40 LOCAL_D TBuf<0x100> buf; |
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41 LOCAL_D TBuf8<0x100> buf8; |
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42 |
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43 // Data for tests from T_R32DTA.cpp |
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44 GLREF_D TReal32 addInput[]; |
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45 GLREF_D TReal32 subInput[]; |
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46 GLREF_D TReal32 multInput[]; |
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47 GLREF_D TReal32 divInput[]; |
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48 //GLREF_D TApprox32 subApprox[]; |
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49 GLREF_D TReal32 unaryInput[]; |
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50 GLREF_D TReal32 incDecInput[]; |
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51 GLREF_D TInt sizeAdd; |
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52 GLREF_D TInt sizeSub; |
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53 GLREF_D TInt sizeMult; |
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54 GLREF_D TInt sizeDiv; |
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55 //GLREF_D TInt sizeSubApprox; |
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56 GLREF_D TInt sizeUnary; |
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57 GLREF_D TInt sizeIncDec; |
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58 |
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59 LOCAL_C void appendStart() |
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60 { |
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61 f.Write(_L8("// Generated by \\E32\\TMATH\\T_GEN32.MAK\n\n")); |
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62 f.Write(_L8("#include <e32std.h>\n\n")); |
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63 f.Write(_L8("#if defined(__WINS__)\n#include \"t_vals.hwg\"\n")); |
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64 f.Write(_L8("#else\n#include \"t_vals.hag\"\n#endif\n")); |
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65 } |
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66 |
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67 LOCAL_C void appendArrayName32(TPtrC aName) |
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68 { |
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69 buf=_L(""); |
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70 buf.AppendFormat(_L("const TInt32x %S[] = \n{\n"),&aName); |
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71 buf8.Copy(buf); |
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72 f.Write(buf8); |
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73 } |
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74 |
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75 LOCAL_C void appendValue32(TReal32* aVal) |
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76 { |
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77 buf=_L(""); |
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78 buf.AppendFormat(_L(" TInt32x(0x%x),\n"),*(TUint32*)aVal); |
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79 buf8.Copy(buf); |
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80 f.Write(buf8); |
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81 } |
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82 |
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83 LOCAL_C void appendArrayTerm() |
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84 { |
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85 buf8=_L8("};\n\n"); |
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86 f.Write(buf8); |
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87 } |
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88 |
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89 LOCAL_C void createAddArray() |
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90 // |
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91 // Writes an array of results of additions to the header file |
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92 // |
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93 { |
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94 TInt ii; |
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95 TReal32 ff; |
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96 |
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97 appendArrayName32(_L("addArray")); |
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98 for (ii=0; ii<sizeAdd-1; ii++) |
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99 { |
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100 ff=addInput[ii]+addInput[ii+1]; |
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101 appendValue32(&ff); |
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102 } |
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103 appendArrayTerm(); |
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104 } |
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105 |
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106 LOCAL_C void createSubArray() |
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107 // |
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108 // Writes an array of results of subtractions to the header file |
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109 // |
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110 { |
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111 TInt ii; |
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112 TReal32 ff; |
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113 |
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114 appendArrayName32(_L("subArray")); |
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115 for (ii=0; ii<sizeSub-1; ii++) |
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116 { |
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117 ff=subInput[ii]-subInput[ii+1]; |
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118 appendValue32(&ff); |
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119 } |
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120 appendArrayTerm(); |
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121 |
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122 /* |
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123 appendArrayName32(_L("subApproxArray")); |
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124 for (ii=0; ii<sizeSubApprox; ii++) |
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125 { |
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126 ff=subApprox[ii].f-subApprox[ii].g; |
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127 appendValue32(&ff); |
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128 } |
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129 appendArrayTerm(); |
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130 */ |
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131 } |
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132 |
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133 LOCAL_C void createMultArray() |
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134 // |
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135 // Writes an array of results of multiplications to the header file |
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136 // |
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137 { |
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138 TInt ii; |
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139 TReal32 ff; |
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140 |
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141 appendArrayName32(_L("multArray")); |
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142 for (ii=0; ii<sizeMult-1; ii++) |
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143 { |
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144 ff=multInput[ii]*multInput[ii+1]; |
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145 appendValue32(&ff); |
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146 } |
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147 appendArrayTerm(); |
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148 } |
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149 |
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150 LOCAL_C void createDivArray() |
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151 // |
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152 // Writes an array of results of divisions to the header file |
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153 // |
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154 { |
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155 TInt ii; |
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156 TReal32 ff; |
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157 |
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158 appendArrayName32(_L("divArray")); |
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159 for (ii=0; ii<sizeDiv-1; ii++) |
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160 { |
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161 if (divInput[ii+1]!=0) |
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162 { |
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163 ff=divInput[ii]/divInput[ii+1]; |
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164 appendValue32(&ff); |
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165 } |
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166 } |
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167 appendArrayTerm(); |
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168 } |
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169 |
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170 LOCAL_C void createUnaryArray() |
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171 // |
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172 // Writes an array of results of unary operations to the header file |
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173 // |
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174 { |
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175 TReal32 f; |
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176 |
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177 appendArrayName32(_L("unaryArray")); |
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178 for (TInt ii=0; ii<sizeUnary; ii++) |
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179 { |
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180 f=-unaryInput[ii]; |
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181 appendValue32(&f); |
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182 } |
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183 appendArrayTerm(); |
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184 } |
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185 |
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186 LOCAL_C void createIncDecArrays() |
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187 // |
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188 // Writes an array of results of pre and post increment and decrement operations to the |
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189 // header file |
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190 // |
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191 { |
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192 TInt ii; |
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193 TReal32 f; |
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194 |
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195 appendArrayName32(_L("preIncArray1")); |
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196 for (ii=0; ii<sizeIncDec; ii++) |
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197 { |
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198 f=incDecInput[ii]; |
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199 ++f; |
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200 appendValue32(&f); |
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201 } |
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202 appendArrayTerm(); |
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203 |
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204 appendArrayName32(_L("preIncArray2")); |
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205 for (ii=0; ii<sizeIncDec; ii++) |
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206 { |
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207 f=incDecInput[ii]; |
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208 ++f; |
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209 ++f; |
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210 appendValue32(&f); |
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211 } |
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212 appendArrayTerm(); |
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213 |
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214 appendArrayName32(_L("preDecArray1")); |
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215 for (ii=0; ii<sizeIncDec; ii++) |
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216 { |
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217 f=incDecInput[ii]; |
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218 --f; |
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219 appendValue32(&f); |
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220 } |
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221 appendArrayTerm(); |
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222 |
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223 appendArrayName32(_L("preDecArray2")); |
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224 for (ii=0; ii<sizeIncDec; ii++) |
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225 { |
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226 f=incDecInput[ii]; |
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227 --f; |
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228 --f; |
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229 appendValue32(&f); |
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230 } |
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231 appendArrayTerm(); |
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232 |
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233 appendArrayName32(_L("postIncArray1")); |
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234 for (ii=0; ii<sizeIncDec; ii++) |
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235 { |
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236 f=incDecInput[ii]; |
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237 f++; |
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238 appendValue32(&f); |
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239 } |
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240 appendArrayTerm(); |
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241 |
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242 appendArrayName32(_L("postIncArray2")); |
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243 for (ii=0; ii<sizeIncDec; ii++) |
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244 { |
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245 f=incDecInput[ii]; |
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246 f++; |
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247 f++; |
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248 appendValue32(&f); |
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249 } |
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250 appendArrayTerm(); |
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251 |
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252 appendArrayName32(_L("postDecArray1")); |
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253 for (ii=0; ii<sizeIncDec; ii++) |
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254 { |
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255 f=incDecInput[ii]; |
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256 f--; |
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257 appendValue32(&f); |
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258 } |
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259 appendArrayTerm(); |
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260 |
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261 appendArrayName32(_L("postDecArray2")); |
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262 for (ii=0; ii<sizeIncDec; ii++) |
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263 { |
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264 f=incDecInput[ii]; |
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265 f--; |
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266 f--; |
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267 appendValue32(&f); |
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268 } |
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269 appendArrayTerm(); |
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270 } |
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271 |
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272 LOCAL_C void createArrays() |
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273 // |
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274 // Create and append to header file all arrays required for T_R32.CPP tests |
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275 // |
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276 { |
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277 createAddArray(); |
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278 createSubArray(); |
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279 createMultArray(); |
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280 createDivArray(); |
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281 createUnaryArray(); |
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282 createIncDecArrays(); |
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283 } |
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284 |
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285 GLDEF_C void CallTestsL(void) |
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286 // |
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287 // Generate TReal32s (and special values if required) and write to header files |
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288 // |
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289 { |
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290 |
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291 test.Title(); |
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292 |
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293 TFileName msg; |
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294 msg=_L("Generating Maths constants to header files:\n "); |
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295 msg+=pathName; |
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296 msg+=fileName32; |
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297 test.Start(msg); |
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298 |
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299 test.Next(_L("Making directory")); |
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300 TInt r=TheFs.MkDirAll(pathName); |
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301 test(r==KErrNone || r==KErrAlreadyExists); |
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302 test(TheFs.SetSessionPath(pathName)==KErrNone); |
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303 |
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304 test(f.Replace(TheFs,fileName32,EFileWrite)==KErrNone); |
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305 test.Next(_L("Generating TReal32s")); |
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306 appendStart(); |
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307 createArrays(); |
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308 f.Close(); |
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309 |
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310 test.End(); |
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311 |
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312 return; |
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313 } |