1 | ' com/decimal.ab |
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2 | |
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3 | #require <com/variant.ab> |
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4 | #require <com/currency.ab> |
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5 | |
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6 | Namespace ActiveBasic |
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7 | Namespace COM |
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8 | |
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9 | Class Decimal |
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10 | Public |
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11 | Sub Decimal() |
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12 | End Sub |
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13 | |
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14 | Sub Decimal(d As Decimal) |
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15 | dec = d.dec |
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16 | End Sub |
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17 | |
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18 | Sub Decimal(ByRef d As DECIMAL) |
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19 | dec = d |
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20 | End Sub |
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21 | |
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22 | Sub Decimal(lo As Long, mid As Long, hi As Long, isNegative As Boolean, scale As Byte) |
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23 | If scale > 28 Then |
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24 | Throw New ArgumentOutOfRangeException("scale") |
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25 | End If |
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26 | Dim sign As Byte |
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27 | If isNegative Then |
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28 | sign = DECIMAL_NEG |
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29 | Else |
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30 | sign = 0 |
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31 | End If |
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32 | dec.signscale = MAKEWORD(sign, scale) 'ToDo:どっちが上位だか検証すること |
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33 | dec.Hi32 = hi |
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34 | dec.Lo64 = MAKEQWORD(mid, lo) |
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35 | End Sub |
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36 | |
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37 | Sub Decimal(x As Long) |
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38 | VarDecFromI4(x, dec) |
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39 | End Sub |
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40 | |
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41 | Sub Decimal(x As DWord) |
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42 | VarDecFromUI4(x, dec) |
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43 | End Sub |
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44 | |
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45 | Sub Decimal(x As Int64) |
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46 | VarDecFromI8(x, dec) |
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47 | End Sub |
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48 | |
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49 | Sub Decimal(x As QWord) |
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50 | VarDecFromUI8(x, dec) |
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51 | End Sub |
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52 | |
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53 | Sub Decimal(x As Single) |
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54 | VarDecFromR4(x, dec) |
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55 | End Sub |
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56 | |
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57 | Sub Decimal(x As Double) |
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58 | VarDecFromR8(x, dec) |
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59 | End Sub |
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60 | /* |
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61 | Const Function Operator() As Variant |
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62 | Return New Variant(This) |
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63 | End Function |
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64 | /* |
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65 | Static Function Operator(x As SByte) As Decimal |
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66 | Dim d = New Decimal |
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67 | VarDecFromI1(x, d.dec) |
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68 | Return d |
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69 | End Function |
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70 | |
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71 | Static Function Operator(x As Byte) As Decimal |
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72 | Dim d = New Decimal |
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73 | VarDecFromUI1(x, d.dec) |
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74 | Return d |
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75 | End Function |
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76 | |
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77 | Static Function Operator(x As Integer) As Decimal |
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78 | Dim d = New Decimal |
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79 | VarDecFromI2(x, d.dec) |
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80 | Return d |
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81 | End Function |
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82 | |
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83 | Static Function Operator(x As Word) As Decimal |
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84 | Dim d = New Decimal |
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85 | VarDecFromUI2(x, d.dec) |
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86 | Return d |
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87 | End Function |
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88 | |
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89 | Static Function Operator(x As Long) As Decimal |
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90 | Dim d = New Decimal |
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91 | VarDecFromI4(x, d.dec) |
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92 | Return d |
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93 | End Function |
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94 | |
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95 | Static Function Operator(x As DWord) As Decimal |
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96 | Dim d = New Decimal |
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97 | VarDecFromUI4(x, d.dec) |
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98 | Return d |
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99 | End Function |
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100 | |
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101 | Static Function Operator(x As Int64) As Decimal |
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102 | Dim d = New Decimal |
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103 | VarDecFromI8(x, d.dec) |
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104 | Return d |
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105 | End Function |
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106 | |
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107 | Static Function Operator(x As QWord) As Decimal |
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108 | Dim d = New Decimal |
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109 | VarDecFromUI8(x, d.dec) |
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110 | Return d |
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111 | End Function |
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112 | |
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113 | Static Function Operator(x As DECIMAL) As Decimal |
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114 | Return New Decimal(X) |
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115 | End Function |
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116 | |
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117 | Const Function Operator As() As SByte |
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118 | Dim x As SByte |
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119 | VarI1FromDec(dec, x) |
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120 | Return x |
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121 | End Function |
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122 | |
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123 | Const Function Operator As() As Byte |
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124 | Dim x As Byte |
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125 | VarUI1FromDec(dec, x) |
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126 | Return x |
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127 | End Function |
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128 | |
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129 | Const Function Operator As() As Integer |
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130 | Dim x As Integer |
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131 | VarI2FromDec(dec, x) |
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132 | Return x |
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133 | End Function |
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134 | |
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135 | Const Function Operator As() As Word |
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136 | Dim x As Word |
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137 | VarUI2FromDec(dec, x) |
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138 | Return x |
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139 | End Function |
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140 | |
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141 | Const Function Operator As() As Long |
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142 | Dim x As Long |
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143 | VarI4FromDec(dec, x) |
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144 | Return x |
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145 | End Function |
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146 | |
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147 | Const Function Operator As() As DWord |
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148 | Dim x As DWord |
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149 | VarUI4FromDec(dec, x) |
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150 | Return x |
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151 | End Function |
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152 | |
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153 | Const Function Operator As() As Int64 |
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154 | Dim x As Int64 |
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155 | VarI8FromDec(dec, x) |
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156 | Return x |
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157 | End Function |
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158 | |
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159 | Const Function Operator As() As QWord |
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160 | Dim x As QWord |
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161 | VarUI8FromDec(dec, x) |
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162 | Return x |
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163 | End Function |
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164 | |
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165 | Const Function Operator As() As Single |
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166 | Dim x As Single |
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167 | VarR4FromDec(dec, x) |
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168 | Return x |
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169 | End Function |
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170 | |
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171 | Const Function Operator As() As Double |
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172 | Dim x As Double |
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173 | VarR8FromDec(dec, x) |
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174 | Return x |
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175 | End Function |
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176 | |
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177 | Const Function Operator As() As Currency |
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178 | Dim x As Currency |
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179 | VarCyFromDec(dec, x) |
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180 | Return x |
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181 | End Function |
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182 | |
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183 | Const Function Operator As() As DECIMAL |
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184 | Return dec |
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185 | End Function |
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186 | |
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187 | Static Function Operator As(x As Single) As Decimal |
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188 | Dim d = New Decimal |
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189 | VarDecFromR4(x, d.dec) |
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190 | Return d |
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191 | End Function |
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192 | |
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193 | Static Function Operator As(x As Double) As Decimal |
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194 | Dim d = New Decimal |
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195 | VarDecFromR8(x, d.dec) |
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196 | Return d |
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197 | End Function |
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198 | */ |
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199 | /* |
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200 | Const Function Operator +() As Decimal |
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201 | Return New Decimal(dec) |
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202 | End Function |
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203 | */ |
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204 | Const Function Operator -() As Decimal |
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205 | Dim ret = New Decimal |
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206 | VarDecNeg(This.dec, ret.dec) |
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207 | Return ret |
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208 | End Function |
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209 | |
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210 | Const Function Operator *(y As Decimal) As Decimal |
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211 | Dim ret = New Decimal |
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212 | VarDecMul(This.dec, y.dec, ret.dec) |
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213 | Return ret |
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214 | End Function |
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215 | |
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216 | Const Function Operator /(y As Decimal) As Decimal |
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217 | Dim ret = New Decimal |
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218 | VarDecDiv(This.dec, y.dec, ret.dec) |
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219 | Return ret |
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220 | End Function |
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221 | |
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222 | Const Function Operator +(y As Decimal) As Decimal |
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223 | Dim ret = New Decimal |
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224 | VarDecAdd(This.dec, y.dec, ret.dec) |
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225 | Return ret |
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226 | End Function |
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227 | |
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228 | Const Function Operator -(y As Decimal) As Decimal |
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229 | Dim ret = New Decimal |
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230 | VarDecSub(This.dec, y.dec, ret.dec) |
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231 | Return ret |
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232 | End Function |
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233 | |
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234 | Static Function Compare(x As Decimal, y As Decimal) As HRESULT |
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235 | Return VarDecCmp(x.dec, y.dec) |
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236 | End Function |
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237 | |
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238 | Static Function Compare(x As Decimal, y As Double) As HRESULT |
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239 | Return VarDecCmpR8(x.dec, y) |
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240 | End Function |
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241 | |
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242 | Static Function Compare(x As Double, y As Decimal) As HRESULT |
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243 | Dim ret = VarDecCmpR8(y.dec, x) |
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244 | Select Case ret |
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245 | Case VARCMP_LT |
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246 | Return VARCMP_GT |
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247 | Case VARCMP_GT |
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248 | Return VARCMP_LT |
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249 | Case Else |
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250 | Return ret |
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251 | End Select |
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252 | End Function |
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253 | |
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254 | Const Function Operator ==(y As Decimal) As Boolean |
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255 | Dim c = Compare(This, y) |
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256 | Return c = VARCMP_EQ |
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257 | End Function |
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258 | |
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259 | Const Function Operator ==(y As Double) As Boolean |
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260 | Dim c = Compare(This, y) |
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261 | Return c = VARCMP_EQ |
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262 | End Function |
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263 | |
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264 | Const Function Operator <>(y As Decimal) As Boolean |
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265 | Dim c = Compare(This, y) |
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266 | Return c <> VARCMP_EQ |
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267 | End Function |
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268 | |
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269 | Const Function Operator <>(y As Double) As Boolean |
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270 | Dim c = Compare(This, y) |
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271 | Return c <> VARCMP_EQ |
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272 | End Function |
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273 | |
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274 | Const Function Operator <(y As Decimal) As Boolean |
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275 | Dim c = Compare(This, y) |
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276 | Return c = VARCMP_LT |
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277 | End Function |
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278 | |
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279 | Const Function Operator <(y As Double) As Boolean |
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280 | Dim c = Compare(This, y) |
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281 | Return c = VARCMP_LT |
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282 | End Function |
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283 | |
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284 | Const Function Operator >(y As Decimal) As Boolean |
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285 | Dim c = Compare(This, y) |
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286 | Return c = VARCMP_GT |
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287 | End Function |
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288 | |
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289 | Const Function Operator >(y As Double) As Boolean |
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290 | Dim c = Compare(This, y) |
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291 | Return c = VARCMP_GT |
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292 | End Function |
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293 | |
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294 | Const Function Operator <=(y As Decimal) As Boolean |
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295 | Dim c = Compare(This, y) |
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296 | Return c = VARCMP_LT Or c = VARCMP_EQ |
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297 | End Function |
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298 | |
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299 | Const Function Operator <=(y As Double) As Boolean |
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300 | Dim c = Compare(This, y) |
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301 | Return c = VARCMP_LT Or c = VARCMP_EQ |
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302 | End Function |
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303 | |
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304 | Const Function Operator >=(y As Decimal) As Boolean |
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305 | Dim c = Compare(This, y) |
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306 | Return c = VARCMP_GT Or c = VARCMP_EQ |
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307 | End Function |
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308 | |
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309 | Const Function Operator >=(y As Double) As Boolean |
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310 | Dim c = Compare(This, y) |
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311 | Return c = VARCMP_GT Or c = VARCMP_EQ |
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312 | End Function |
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313 | |
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314 | Const Function Abs() As Decimal |
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315 | Abs = New Decimal |
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316 | VarDecAbs(This.dec, Abs.dec) |
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317 | End Function |
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318 | |
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319 | Const Function Fix() As Decimal |
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320 | Fix = New Decimal |
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321 | VarDecFix(This.dec, Fix.dec) |
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322 | End Function |
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323 | |
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324 | Const Function Int() As Decimal |
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325 | Int = New Decimal |
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326 | VarDecInt(This.dec, Int.dec) |
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327 | End Function |
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328 | |
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329 | Const Function Round(c = 0 As Long) As Decimal |
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330 | Round = New Decimal |
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331 | VarDecRound(This.dec, c, Round.dec) |
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332 | End Function |
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333 | |
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334 | Const Function Dec() As DECIMAL |
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335 | Return dec |
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336 | End Function |
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337 | |
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338 | Sub Dec(ByRef d As DECIMAL) |
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339 | dec = d |
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340 | End Sub |
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341 | |
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342 | Const Function ToVariant() As Variant |
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343 | Return New Variant(This) |
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344 | End Function |
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345 | |
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346 | Override Function ToString() As String |
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347 | /*Using*/ Dim bstr = New BString |
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348 | Dim bs As BSTR |
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349 | VarBstrFromDec(dec, LOCALE_USER_DEFAULT, LOCALE_USE_NLS, bs) |
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350 | bstr.Attach(bs) |
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351 | ToString = bstr.ToString |
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352 | bstr.Dispose() 'End Using |
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353 | End Function |
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354 | |
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355 | Override Function GetHashCode() As Long |
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356 | Dim p = VarPtr(dec) As *DWord |
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357 | Return (p[0] Xor p[1] Xor p[2] Xor p[3]) As Long |
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358 | End Function |
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359 | |
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360 | Function Equals(y As Decimal) As Boolean |
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361 | Dim c = Compare(This, y) |
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362 | Return c = VARCMP_EQ |
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363 | End Function |
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364 | Private |
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365 | dec As DECIMAL |
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366 | End Class |
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367 | |
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368 | End Namespace 'COM |
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369 | End Namespace 'ActiveBasic |
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