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72
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1 module dmd.ComplexExp;
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2
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3 import dmd.Expression;
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4 import dmd.InterState;
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5 import dmd.Type;
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6 import dmd.OutBuffer;
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7 import dmd.Loc;
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8 import dmd.Scope;
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9 import dmd.IRState;
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10 import dmd.HdrGenState;
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0
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11 import dmd.Type;
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12 import dmd.TOK;
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13 import dmd.TY;
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14 import dmd.Port;
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15 import dmd.Complex;
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72
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16
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17 import dmd.backend.dt_t;
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0
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18 import dmd.backend.elem;
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19 import dmd.backend.Util;
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20 import dmd.backend.TYM;
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21 import dmd.backend.mTY;
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72
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22
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0
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23 class ComplexExp : Expression
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24 {
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25 Complex!(real) value;
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26
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27 this(Loc loc, Complex!(real) value, Type type)
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72
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28 {
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0
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29 super(loc, TOK.TOKcomplex80, ComplexExp.sizeof);
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30 this.value = value;
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31 this.type = type;
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32 //printf("ComplexExp.ComplexExp(%s)\n", toChars());
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33 }
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34
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72
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35 override bool equals(Object o)
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36 {
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37 assert(false);
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38 }
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39
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72
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40 override Expression semantic(Scope sc)
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41 {
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42 if (!type)
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43 type = Type.tcomplex80;
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44 else
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45 type = type.semantic(loc, sc);
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46 return this;
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47 }
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48
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72
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49 override Expression interpret(InterState istate)
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50 {
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51 assert(false);
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52 }
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53
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72
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54 override string toChars()
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0
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55 {
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56 assert(false);
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57 }
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58
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72
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59 override ulong toInteger()
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60 {
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61 return cast(ulong) toReal();
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62 }
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63
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72
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64 override ulong toUInteger()
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65 {
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66 return cast(long) toReal();
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67 }
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68
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72
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69 override real toReal()
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70 {
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71 return value.re;
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72 }
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73
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72
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74 override real toImaginary()
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75 {
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76 return value.im;
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77 }
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78
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72
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79 override Complex!(real) toComplex()
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80 {
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81 return value;
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82 }
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83
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72
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84 override Expression castTo(Scope sc, Type t)
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85 {
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86 Expression e = this;
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87 if (type != t)
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88 {
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89 if (type.iscomplex() && t.iscomplex())
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90 {
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91 e = copy();
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92 e.type = t;
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93 }
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94 else
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95 e = Expression.castTo(sc, t);
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96 }
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97 return e;
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98 }
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99
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72
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100 override int isConst()
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101 {
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53
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102 return 1;
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103 }
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104
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72
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105 override bool isBool(bool result)
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106 {
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107 assert(false);
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108 }
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109
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72
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110 override void toCBuffer(OutBuffer buf, HdrGenState* hgs)
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111 {
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112 assert(false);
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113 }
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114
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72
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115 override void toMangleBuffer(OutBuffer buf)
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116 {
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117 assert(false);
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118 }
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119 version (_DH) {
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120
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121 OutBuffer hexp;
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122 }
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123
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72
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124 override elem* toElem(IRState* irs)
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125 {
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126 eve c;
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127 tym_t ty;
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128
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129 //printf("ComplexExp.toElem(%p) %s\n", this, toChars());
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130
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131 ///memset(&c, 0, c.sizeof);
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132
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133 ty = type.totym();
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134 switch (tybasic(ty))
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135 {
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136 case TYcfloat:
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137 {
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138 c.Vcfloat.re = cast(float) value.re;
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139 if (Port.isSignallingNan(value.re)) {
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140 (cast(uint*)&c.Vcfloat.re)[0] &= 0xFFBFFFFFL;
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141 std.stdio.writeln("float.re is snan");
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142 }
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143 c.Vcfloat.im = cast(float) value.im;
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144 if (Port.isSignallingNan(value.im)) {
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145 (cast(uint*)&c.Vcfloat.im)[0] &= 0xFFBFFFFFL;
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146 std.stdio.writeln("float.im is snan");
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147 }
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148 break;
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149 }
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150
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151 case TYcdouble:
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152 {
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153 c.Vcdouble.re = cast(double) value.re;
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154 if (Port.isSignallingNan(value.re)) {
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155 std.stdio.writeln("double.re is snan");
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156 (cast(uint*)&c.Vcdouble.re)[1] &= 0xFFF7FFFFL;
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157 }
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158 c.Vcdouble.im = cast(double) value.im;
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159 if (Port.isSignallingNan(value.im)) {
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160 (cast(uint*)&c.Vcdouble.im)[1] &= 0xFFF7FFFFL;
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161 std.stdio.writeln("double.im is snan");
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162 }
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163 break;
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164 }
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165
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166 case TYcldouble:
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167 {
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168 static if (true) {
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169 c.Vcldouble = value;
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170 } else {
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171 {
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172 ushort* p = cast(ushort*)&c.Vcldouble;
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173 for (int i = 0; i < (LNGDBLSIZE*2)/2; i++) printf("%04x ", p[i]);
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174 printf("\n");
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175 }
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176 c.Vcldouble.im = im;
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177 {
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178 ushort* p = cast(ushort*)&c.Vcldouble;
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179 for (int i = 0; i < (LNGDBLSIZE*2)/2; i++) printf("%04x ", p[i]);
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180 printf("\n");
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181 }
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182 c.Vcldouble.re = re;
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183 {
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184 ushort* p = cast(ushort*)&c.Vcldouble;
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185 for (int i = 0; i < (LNGDBLSIZE*2)/2; i++) printf("%04x ", p[i]);
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186 printf("\n");
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187 }
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188 }
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189 break;
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190 }
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191
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192 default:
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193 assert(0);
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194 }
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195 return el_const(ty, &c);
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196 }
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197
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198 static private char[6] zeropad;
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199
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72
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200 override dt_t** toDt(dt_t** pdt)
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0
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201 {
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202 //printf("ComplexExp.toDt() '%s'\n", toChars());
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203 float fvalue;
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204 double dvalue;
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205 real evalue;
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206
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207 switch (type.toBasetype().ty)
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208 {
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209 case Tcomplex32:
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210 fvalue = value.re;
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211 pdt = dtnbytes(pdt,4,cast(char*)&fvalue);
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212 fvalue = value.im;
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213 pdt = dtnbytes(pdt,4,cast(char*)&fvalue);
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214 break;
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215
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216 case Tcomplex64:
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217 dvalue = value.re;
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218 pdt = dtnbytes(pdt,8,cast(char*)&dvalue);
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219 dvalue = value.im;
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220 pdt = dtnbytes(pdt,8,cast(char*)&dvalue);
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221 break;
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222
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223 case Tcomplex80:
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224 evalue = value.re;
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225 pdt = dtnbytes(pdt,REALSIZE - REALPAD,cast(char*)&evalue);
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226 pdt = dtnbytes(pdt,REALPAD,zeropad.ptr);
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227 evalue = value.im;
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228 pdt = dtnbytes(pdt,REALSIZE - REALPAD, cast(char*)&evalue);
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229 pdt = dtnbytes(pdt,REALPAD,zeropad.ptr);
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230 break;
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231
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232 default:
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233 assert(0);
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234 break;
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235 }
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236 return pdt;
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237 }
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238 }
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239
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