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