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 | Implements System.ICloneable, System.IEquatable<Decimal>', System.IComparable<Decimal>
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11 | Public
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12 |
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13 | Sub Decimal()
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14 | End Sub
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15 |
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16 | Sub Decimal(d As Decimal)
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17 | dec = d.dec
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18 | End Sub
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19 |
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20 | Sub Decimal(ByRef d As DECIMAL)
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21 | dec = d
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22 | End Sub
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23 |
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24 | Sub Decimal(lo As Long, mid As Long, hi As Long, isNegative As Boolean, scale As Byte)
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25 | If scale > 28 Then
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26 | Throw New System.ArgumentOutOfRangeException("scale - Decimal constructor")
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27 | End If
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28 | Dim sign As Byte
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29 | If isNegative Then
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30 | sign = DECIMAL_NEG
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31 | Else
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32 | sign = 0
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33 | End If
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34 | dec.signscale = MAKEWORD(sign, scale) 'ToDo:どっちが上位だか検証すること
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35 | dec.Hi32 = hi
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36 | dec.Lo64 = MAKEQWORD(mid, lo)
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37 | End Sub
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38 |
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39 | Sub Decimal(x As Long)
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40 | Windows.ThrowIfFailed(VarDecFromI4(x, dec))
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41 | End Sub
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42 |
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43 | Sub Decimal(x As DWord)
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44 | Windows.ThrowIfFailed(VarDecFromUI4(x, dec))
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45 | End Sub
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46 |
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47 | Sub Decimal(x As Int64)
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48 | Windows.ThrowIfFailed(VarDecFromI8(x, dec))
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49 | End Sub
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50 |
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51 | Sub Decimal(x As QWord)
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52 | Windows.ThrowIfFailed(VarDecFromUI8(x, dec))
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53 | End Sub
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54 |
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55 | Sub Decimal(x As Single)
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56 | Windows.ThrowIfFailed(VarDecFromR4(x, dec))
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57 | End Sub
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58 |
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59 | Sub Decimal(x As Double)
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60 | Windows.ThrowIfFailed(VarDecFromR8(x, dec))
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61 | End Sub
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62 |
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63 | Const Function Operator() As Variant
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64 | Return New Variant(This)
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65 | End Function
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66 | /*
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67 | Static Function Operator(x As SByte) As Decimal
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68 | Dim d = New Decimal
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69 | VarDecFromI1(x, d.dec)
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70 | Return d
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71 | End Function
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72 |
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73 | Static Function Operator(x As Byte) As Decimal
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74 | Dim d = New Decimal
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75 | VarDecFromUI1(x, d.dec)
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76 | Return d
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77 | End Function
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78 |
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79 | Static Function Operator(x As Integer) As Decimal
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80 | Dim d = New Decimal
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81 | VarDecFromI2(x, d.dec)
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82 | Return d
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83 | End Function
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84 |
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85 | Static Function Operator(x As Word) As Decimal
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86 | Dim d = New Decimal
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87 | VarDecFromUI2(x, d.dec)
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88 | Return d
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89 | End Function
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90 |
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91 | Static Function Operator(x As Long) As Decimal
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92 | Dim d = New Decimal
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93 | VarDecFromI4(x, d.dec)
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94 | Return d
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95 | End Function
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96 |
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97 | Static Function Operator(x As DWord) As Decimal
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98 | Dim d = New Decimal
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99 | VarDecFromUI4(x, d.dec)
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100 | Return d
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101 | End Function
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102 |
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103 | Static Function Operator(x As Int64) As Decimal
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104 | Dim d = New Decimal
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105 | VarDecFromI8(x, d.dec)
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106 | Return d
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107 | End Function
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108 |
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109 | Static Function Operator(x As QWord) As Decimal
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110 | Dim d = New Decimal
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111 | VarDecFromUI8(x, d.dec)
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112 | Return d
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113 | End Function
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114 |
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115 | Static Function Operator(x As DECIMAL) As Decimal
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116 | Return New Decimal(X)
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117 | End Function
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118 |
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119 | Const Function Operator As() As SByte
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120 | Dim x As SByte
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121 | VarI1FromDec(dec, x)
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122 | Return x
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123 | End Function
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124 |
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125 | Const Function Operator As() As Byte
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126 | Dim x As Byte
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127 | VarUI1FromDec(dec, x)
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128 | Return x
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129 | End Function
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130 |
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131 | Const Function Operator As() As Integer
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132 | Dim x As Integer
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133 | VarI2FromDec(dec, x)
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134 | Return x
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135 | End Function
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136 |
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137 | Const Function Operator As() As Word
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138 | Dim x As Word
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139 | VarUI2FromDec(dec, x)
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140 | Return x
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141 | End Function
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142 |
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143 | Const Function Operator As() As Long
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144 | Dim x As Long
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145 | VarI4FromDec(dec, x)
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146 | Return x
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147 | End Function
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148 |
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149 | Const Function Operator As() As DWord
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150 | Dim x As DWord
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151 | VarUI4FromDec(dec, x)
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152 | Return x
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153 | End Function
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154 |
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155 | Const Function Operator As() As Int64
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156 | Dim x As Int64
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157 | VarI8FromDec(dec, x)
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158 | Return x
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159 | End Function
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160 |
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161 | Const Function Operator As() As QWord
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162 | Dim x As QWord
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163 | VarUI8FromDec(dec, x)
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164 | Return x
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165 | End Function
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166 |
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167 | Const Function Operator As() As Single
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168 | Dim x As Single
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169 | VarR4FromDec(dec, x)
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170 | Return x
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171 | End Function
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172 |
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173 | Const Function Operator As() As Double
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174 | Dim x As Double
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175 | VarR8FromDec(dec, x)
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176 | Return x
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177 | End Function
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178 |
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179 | Const Function Operator As() As Currency
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180 | Dim x As Currency
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181 | VarCyFromDec(dec, x)
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182 | Return x
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183 | End Function
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184 |
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185 | Const Function Operator As() As DECIMAL
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186 | Return dec
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187 | End Function
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188 |
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189 | Static Function Operator As(x As Single) As Decimal
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190 | Dim d = New Decimal
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191 | VarDecFromR4(x, d.dec)
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192 | Return d
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193 | End Function
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194 |
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195 | Static Function Operator As(x As Double) As Decimal
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196 | Dim d = New Decimal
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197 | VarDecFromR8(x, d.dec)
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198 | Return d
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199 | End Function
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200 | */
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201 |
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202 | Const Function Operator +() As Decimal
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203 | Return New Decimal(dec)
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204 | End Function
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205 |
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206 | Const Function Operator -() As Decimal
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207 | Dim ret = New Decimal
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208 | Windows.ThrowIfFailed(VarDecNeg(This.dec, ret.dec))
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209 | Return ret
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210 | End Function
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211 |
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212 | Const Function Operator *(y As Decimal) As Decimal
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213 | Dim ret = New Decimal
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214 | Windows.ThrowIfFailed(VarDecMul(This.dec, y.dec, ret.dec))
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215 | Return ret
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216 | End Function
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217 |
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218 | Const Function Operator /(y As Decimal) As Decimal
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219 | Dim ret = New Decimal
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220 | Windows.ThrowIfFailed(VarDecDiv(This.dec, y.dec, ret.dec))
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221 | Return ret
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222 | End Function
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223 |
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224 | Const Function Operator +(y As Decimal) As Decimal
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225 | Dim ret = New Decimal
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226 | Windows.ThrowIfFailed(VarDecAdd(This.dec, y.dec, ret.dec))
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227 | Return ret
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228 | End Function
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229 |
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230 | Const Function Operator -(y As Decimal) As Decimal
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231 | Dim ret = New Decimal
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232 | Windows.ThrowIfFailed(VarDecSub(This.dec, y.dec, ret.dec))
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233 | Return ret
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234 | End Function
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235 |
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236 | ' ThrowIfFailedしていないことに注意
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237 | Static Function Compare(x As Decimal, y As Decimal) As HRESULT
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238 | Compare = VarDecCmp(x.dec, y.dec)
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239 | End Function
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240 |
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241 | ' ThrowIfFailedしていないことに注意
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242 | Static Function Compare(x As Decimal, y As Double) As HRESULT
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243 | Return VarDecCmpR8(x.dec, y)
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244 | End Function
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245 |
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246 | Static Function Compare(x As Double, y As Decimal) As HRESULT
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247 | Dim ret = VarDecCmpR8(y.dec, x)
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248 | Select Case ret
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249 | Case VARCMP_LT
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250 | Return VARCMP_GT
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251 | Case VARCMP_GT
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252 | Return VARCMP_LT
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253 | Case Else
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254 | Return ret
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255 | End Select
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256 | End Function
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257 |
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258 | Const Function Operator ==(y As Decimal) As Boolean
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259 | Dim c = Compare(This, y)
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260 | Return c = VARCMP_EQ
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261 | End Function
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262 |
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263 | Const Function Operator ==(y As Double) As Boolean
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264 | Dim c = Compare(This, y)
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265 | Return c = VARCMP_EQ
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266 | End Function
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267 |
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268 | Const Function Operator <>(y As Decimal) As Boolean
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269 | Dim c = Compare(This, y)
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270 | Return c <> VARCMP_EQ
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271 | End Function
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272 |
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273 | Const Function Operator <>(y As Double) As Boolean
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274 | Dim c = Compare(This, y)
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275 | Return c <> VARCMP_EQ
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276 | End Function
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277 |
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278 | Const Function Operator <(y As Decimal) As Boolean
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279 | Dim c = Compare(This, y)
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280 | Return c = VARCMP_LT
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281 | End Function
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282 |
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283 | Const Function Operator <(y As Double) As Boolean
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284 | Dim c = Compare(This, y)
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285 | Return c = VARCMP_LT
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286 | End Function
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287 |
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288 | Const Function Operator >(y As Decimal) As Boolean
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289 | Dim c = Compare(This, y)
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290 | Return c = VARCMP_GT
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291 | End Function
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292 |
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293 | Const Function Operator >(y As Double) As Boolean
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294 | Dim c = Compare(This, y)
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295 | Return c = VARCMP_GT
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296 | End Function
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297 |
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298 | Const Function Operator <=(y As Decimal) As Boolean
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299 | Dim c = Compare(This, y)
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300 | Return c = VARCMP_LT Or c = VARCMP_EQ
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301 | End Function
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302 |
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303 | Const Function Operator <=(y As Double) As Boolean
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304 | Dim c = Compare(This, y)
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305 | Return c = VARCMP_LT Or c = VARCMP_EQ
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306 | End Function
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307 |
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308 | Const Function Operator >=(y As Decimal) As Boolean
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309 | Dim c = Compare(This, y)
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310 | Return c = VARCMP_GT Or c = VARCMP_EQ
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311 | End Function
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312 |
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313 | Const Function Operator >=(y As Double) As Boolean
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314 | Dim c = Compare(This, y)
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315 | Return c = VARCMP_GT Or c = VARCMP_EQ
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316 | End Function
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317 |
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318 | Const Function Abs() As Decimal
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319 | Abs = New Decimal
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320 | Windows.ThrowIfFailed(VarDecAbs(This.dec, Abs.dec))
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321 | End Function
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322 |
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323 | Const Function Fix() As Decimal
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324 | Fix = New Decimal
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325 | Windows.ThrowIfFailed(VarDecFix(This.dec, Fix.dec))
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326 | End Function
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327 |
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328 | Const Function Int() As Decimal
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329 | Int = New Decimal
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330 | Windows.ThrowIfFailed(VarDecInt(This.dec, Int.dec))
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331 | End Function
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332 |
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333 | Const Function Round(c = 0 As Long) As Decimal
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334 | Round = New Decimal
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335 | Windows.ThrowIfFailed(VarDecRound(This.dec, c, Round.dec))
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336 | End Function
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337 |
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338 | Const Function Dec() As DECIMAL
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339 | Return dec
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340 | End Function
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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 | Function ToBString() As BString
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347 | ToBString = 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 | ToBString.Attach(bs)
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351 | End Function
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352 |
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353 | Override Function ToString() As String
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354 | Using bstr = ToBString()
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355 | ToString = bstr.ToString
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356 | End Using
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357 | End Function
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358 |
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359 | Override Function GetHashCode() As Long
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360 | Dim p = VarPtr(dec) As *DWord
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361 | Return (p[0] Xor p[1] Xor p[2] Xor p[3]) As Long
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362 | End Function
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363 |
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364 | Function Equals(y As Decimal) As Boolean
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365 | Dim c = Compare(This, y)
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366 | Return c = VARCMP_EQ
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367 | End Function
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368 |
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369 | Override Function Equals(y As Object) As Boolean
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370 | If This.GetType().Equals(y.GetType()) Then
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371 | Equals = Equals(y As Decimal)
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372 | End If
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373 | End Function
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374 |
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375 | Function Clone() As Decimal
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376 | Clone = New Decimal(This)
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377 | End Function
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378 |
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379 | Private
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380 | dec As DECIMAL
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381 | End Class
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382 |
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383 | End Namespace 'COM
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384 | End Namespace 'ActiveBasic
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