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72
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1 module dmd.ComplexExp;
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2
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114
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3 import dmd.common;
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72
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4 import dmd.Expression;
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5 import dmd.InterState;
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6 import dmd.Type;
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7 import dmd.OutBuffer;
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8 import dmd.Loc;
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9 import dmd.Scope;
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10 import dmd.IRState;
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11 import dmd.HdrGenState;
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0
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12 import dmd.Type;
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13 import dmd.TOK;
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14 import dmd.TY;
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15 import dmd.Port;
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16 import dmd.Complex;
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72
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17
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18 import dmd.backend.dt_t;
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0
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19 import dmd.backend.elem;
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20 import dmd.backend.Util;
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21 import dmd.backend.TYM;
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22 import dmd.backend.mTY;
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72
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23
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0
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24 class ComplexExp : Expression
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25 {
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26 Complex!(real) value;
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27
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28 this(Loc loc, Complex!(real) value, Type type)
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72
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29 {
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0
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30 super(loc, TOK.TOKcomplex80, ComplexExp.sizeof);
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31 this.value = value;
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32 this.type = type;
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33 //printf("ComplexExp.ComplexExp(%s)\n", toChars());
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34 }
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35
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72
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36 override bool equals(Object o)
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0
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37 {
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38 assert(false);
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39 }
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40
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72
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41 override Expression semantic(Scope sc)
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0
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42 {
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43 if (!type)
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44 type = Type.tcomplex80;
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45 else
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46 type = type.semantic(loc, sc);
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47 return this;
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48 }
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49
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72
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50 override Expression interpret(InterState istate)
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0
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51 {
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52 assert(false);
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53 }
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54
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72
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55 override string toChars()
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0
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56 {
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57 assert(false);
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58 }
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59
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72
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60 override ulong toInteger()
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0
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61 {
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62 return cast(ulong) toReal();
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63 }
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64
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72
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65 override ulong toUInteger()
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0
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66 {
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67 return cast(long) toReal();
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68 }
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69
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72
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70 override real toReal()
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0
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71 {
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72 return value.re;
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73 }
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74
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72
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75 override real toImaginary()
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0
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76 {
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77 return value.im;
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78 }
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79
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72
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80 override Complex!(real) toComplex()
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0
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81 {
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82 return value;
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83 }
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84
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72
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85 override Expression castTo(Scope sc, Type t)
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0
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86 {
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87 Expression e = this;
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88 if (type != t)
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89 {
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90 if (type.iscomplex() && t.iscomplex())
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91 {
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92 e = copy();
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93 e.type = t;
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94 }
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95 else
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96 e = Expression.castTo(sc, t);
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97 }
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98 return e;
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99 }
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100
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72
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101 override int isConst()
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0
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102 {
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53
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103 return 1;
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0
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104 }
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105
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72
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106 override bool isBool(bool result)
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0
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107 {
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108 assert(false);
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109 }
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110
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72
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111 override void toCBuffer(OutBuffer buf, HdrGenState* hgs)
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0
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112 {
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113 assert(false);
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114 }
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115
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72
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116 override void toMangleBuffer(OutBuffer buf)
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0
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117 {
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118 assert(false);
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119 }
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120 version (_DH) {
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121
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122 OutBuffer hexp;
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123 }
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124
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72
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125 override elem* toElem(IRState* irs)
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0
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126 {
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127 eve c;
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128 tym_t ty;
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129
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130 //printf("ComplexExp.toElem(%p) %s\n", this, toChars());
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131
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132 ///memset(&c, 0, c.sizeof);
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133
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134 ty = type.totym();
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135 switch (tybasic(ty))
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136 {
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137 case TYcfloat:
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138 {
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139 c.Vcfloat.re = cast(float) value.re;
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140 if (Port.isSignallingNan(value.re)) {
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141 (cast(uint*)&c.Vcfloat.re)[0] &= 0xFFBFFFFFL;
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142 std.stdio.writeln("float.re is snan");
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143 }
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144 c.Vcfloat.im = cast(float) value.im;
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145 if (Port.isSignallingNan(value.im)) {
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146 (cast(uint*)&c.Vcfloat.im)[0] &= 0xFFBFFFFFL;
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147 std.stdio.writeln("float.im is snan");
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148 }
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149 break;
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150 }
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151
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152 case TYcdouble:
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153 {
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154 c.Vcdouble.re = cast(double) value.re;
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155 if (Port.isSignallingNan(value.re)) {
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156 std.stdio.writeln("double.re is snan");
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157 (cast(uint*)&c.Vcdouble.re)[1] &= 0xFFF7FFFFL;
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158 }
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159 c.Vcdouble.im = cast(double) value.im;
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160 if (Port.isSignallingNan(value.im)) {
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161 (cast(uint*)&c.Vcdouble.im)[1] &= 0xFFF7FFFFL;
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162 std.stdio.writeln("double.im is snan");
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163 }
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164 break;
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165 }
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166
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167 case TYcldouble:
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168 {
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169 static if (true) {
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170 c.Vcldouble = value;
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171 } else {
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172 {
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173 ushort* p = cast(ushort*)&c.Vcldouble;
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174 for (int i = 0; i < (LNGDBLSIZE*2)/2; i++) printf("%04x ", p[i]);
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175 printf("\n");
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176 }
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177 c.Vcldouble.im = im;
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178 {
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179 ushort* p = cast(ushort*)&c.Vcldouble;
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180 for (int i = 0; i < (LNGDBLSIZE*2)/2; i++) printf("%04x ", p[i]);
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181 printf("\n");
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182 }
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183 c.Vcldouble.re = re;
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184 {
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185 ushort* p = cast(ushort*)&c.Vcldouble;
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186 for (int i = 0; i < (LNGDBLSIZE*2)/2; i++) printf("%04x ", p[i]);
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187 printf("\n");
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188 }
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189 }
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190 break;
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191 }
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192
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193 default:
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194 assert(0);
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195 }
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196 return el_const(ty, &c);
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197 }
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198
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199 static private char[6] zeropad;
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200
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72
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201 override dt_t** toDt(dt_t** pdt)
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0
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202 {
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203 //printf("ComplexExp.toDt() '%s'\n", toChars());
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204 float fvalue;
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205 double dvalue;
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206 real evalue;
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207
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208 switch (type.toBasetype().ty)
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209 {
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210 case Tcomplex32:
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211 fvalue = value.re;
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212 pdt = dtnbytes(pdt,4,cast(char*)&fvalue);
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213 fvalue = value.im;
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214 pdt = dtnbytes(pdt,4,cast(char*)&fvalue);
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215 break;
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216
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217 case Tcomplex64:
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218 dvalue = value.re;
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219 pdt = dtnbytes(pdt,8,cast(char*)&dvalue);
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220 dvalue = value.im;
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221 pdt = dtnbytes(pdt,8,cast(char*)&dvalue);
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222 break;
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223
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224 case Tcomplex80:
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225 evalue = value.re;
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226 pdt = dtnbytes(pdt,REALSIZE - REALPAD,cast(char*)&evalue);
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227 pdt = dtnbytes(pdt,REALPAD,zeropad.ptr);
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228 evalue = value.im;
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229 pdt = dtnbytes(pdt,REALSIZE - REALPAD, cast(char*)&evalue);
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230 pdt = dtnbytes(pdt,REALPAD,zeropad.ptr);
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231 break;
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232
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233 default:
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234 assert(0);
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235 break;
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236 }
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237 return pdt;
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238 }
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239 }
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240
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