[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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[355] | 17 | memcpy(VarPtr(dec), VarPtr(d.dec), Len(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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[335] | 21 | memcpy(VarPtr(dec), VarPtr(d), Len(dec))
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[211] | 22 | End Sub
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| 23 |
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[231] | 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 | Debug
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| 27 | Throw New ArgumentOutOfRangeException
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| 28 | End If
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| 29 | Dim sign As Byte
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| 30 | If isNegative Then
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| 31 | sign = DECIMAL_NEG
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| 32 | Else
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| 33 | sign = 0
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| 34 | End If
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| 35 | dec.signscale = MAKEWORD(sign, scale) 'ToDo:どっちが上位だか検証すること
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| 36 | dec.Hi32 = hi
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| 37 | dec.Lo64 = MAKEQWORD(mid, lo)
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| 38 | End Sub
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| 39 |
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| 40 | Sub Decimal(x As Long)
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| 41 | VarDecFromI4(x, dec)
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| 42 | End Sub
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| 43 |
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| 44 | Sub Decimal(x As DWord)
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| 45 | VarDecFromUI4(x, dec)
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| 46 | End Sub
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| 47 |
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| 48 | Sub Decimal(x As Int64)
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| 49 | VarDecFromI8(x, dec)
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| 50 | End Sub
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| 51 |
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| 52 | Sub Decimal(x As QWord)
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| 53 | VarDecFromUI8(x, dec)
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| 54 | End Sub
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| 55 |
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| 56 | Sub Decimal(x As Single)
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| 57 | VarDecFromR4(x, dec)
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| 58 | End Sub
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| 59 |
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| 60 | Sub Decimal(x As Double)
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| 61 | VarDecFromR8(x, dec)
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| 62 | End Sub
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[335] | 63 | /*
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[231] | 64 | Const Function Operator() As Variant
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| 65 | Return New Variant(This)
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| 66 | End Function
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| 67 | /*
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| 68 | Static Function Operator(x As SByte) As Decimal
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| 69 | Dim d = New Decimal
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| 70 | VarDecFromI1(x, d.dec)
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| 71 | Return d
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| 72 | End Function
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| 73 |
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| 74 | Static Function Operator(x As Byte) As Decimal
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| 75 | Dim d = New Decimal
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| 76 | VarDecFromUI1(x, d.dec)
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| 77 | Return d
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| 78 | End Function
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| 79 |
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| 80 | Static Function Operator(x As Integer) As Decimal
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| 81 | Dim d = New Decimal
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| 82 | VarDecFromI2(x, d.dec)
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| 83 | Return d
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| 84 | End Function
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| 85 |
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| 86 | Static Function Operator(x As Word) As Decimal
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| 87 | Dim d = New Decimal
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| 88 | VarDecFromUI2(x, d.dec)
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| 89 | Return d
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| 90 | End Function
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| 91 |
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| 92 | Static Function Operator(x As Long) As Decimal
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| 93 | Dim d = New Decimal
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| 94 | VarDecFromI4(x, d.dec)
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| 95 | Return d
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| 96 | End Function
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| 97 |
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| 98 | Static Function Operator(x As DWord) As Decimal
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| 99 | Dim d = New Decimal
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| 100 | VarDecFromUI4(x, d.dec)
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| 101 | Return d
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| 102 | End Function
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| 103 |
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| 104 | Static Function Operator(x As Int64) As Decimal
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| 105 | Dim d = New Decimal
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| 106 | VarDecFromI8(x, d.dec)
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| 107 | Return d
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| 108 | End Function
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| 109 |
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| 110 | Static Function Operator(x As QWord) As Decimal
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| 111 | Dim d = New Decimal
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| 112 | VarDecFromUI8(x, d.dec)
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| 113 | Return d
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| 114 | End Function
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| 115 |
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| 116 | Static Function Operator(x As DECIMAL) As Decimal
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| 117 | Return New Decimal(X)
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| 118 | End Function
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| 119 |
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| 120 | Const Function Operator As() As SByte
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| 121 | Dim x As SByte
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| 122 | VarI1FromDec(dec, x)
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| 123 | Return x
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| 124 | End Function
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| 125 |
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| 126 | Const Function Operator As() As Byte
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| 127 | Dim x As Byte
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| 128 | VarUI1FromDec(dec, x)
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| 129 | Return x
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| 130 | End Function
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| 131 |
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| 132 | Const Function Operator As() As Integer
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| 133 | Dim x As Integer
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| 134 | VarI2FromDec(dec, x)
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| 135 | Return x
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| 136 | End Function
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| 137 |
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| 138 | Const Function Operator As() As Word
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| 139 | Dim x As Word
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| 140 | VarUI2FromDec(dec, x)
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| 141 | Return x
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| 142 | End Function
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| 143 |
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| 144 | Const Function Operator As() As Long
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| 145 | Dim x As Long
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| 146 | VarI4FromDec(dec, x)
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| 147 | Return x
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| 148 | End Function
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| 149 |
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| 150 | Const Function Operator As() As DWord
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| 151 | Dim x As DWord
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| 152 | VarUI4FromDec(dec, x)
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| 153 | Return x
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| 154 | End Function
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| 155 |
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| 156 | Const Function Operator As() As Int64
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| 157 | Dim x As Int64
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| 158 | VarI8FromDec(dec, x)
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| 159 | Return x
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| 160 | End Function
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| 161 |
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| 162 | Const Function Operator As() As QWord
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| 163 | Dim x As QWord
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| 164 | VarUI8FromDec(dec, x)
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| 165 | Return x
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| 166 | End Function
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| 167 |
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| 168 | Const Function Operator As() As Single
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| 169 | Dim x As Single
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| 170 | VarR4FromDec(dec, x)
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| 171 | Return x
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| 172 | End Function
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| 173 |
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| 174 | Const Function Operator As() As Double
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| 175 | Dim x As Double
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| 176 | VarR8FromDec(dec, x)
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| 177 | Return x
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| 178 | End Function
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| 179 |
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| 180 | Const Function Operator As() As Currency
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| 181 | Dim x As Currency
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| 182 | VarCyFromDec(dec, x)
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| 183 | Return x
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| 184 | End Function
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| 185 |
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| 186 | Const Function Operator As() As DECIMAL
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| 187 | Return dec
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| 188 | End Function
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| 189 |
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| 190 | Static Function Operator As(x As Single) As Decimal
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| 191 | Dim d = New Decimal
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| 192 | VarDecFromR4(x, d.dec)
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| 193 | Return d
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| 194 | End Function
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| 195 |
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| 196 | Static Function Operator As(x As Double) As Decimal
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| 197 | Dim d = New Decimal
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| 198 | VarDecFromR8(x, d.dec)
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| 199 | Return d
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| 200 | End Function
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| 201 | */
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[335] | 202 | /*
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[211] | 203 | Const Function Operator +() As Decimal
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| 204 | Return New Decimal(dec)
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| 205 | End Function
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[335] | 206 | */
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[211] | 207 | Const Function Operator -() As Decimal
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| 208 | Dim ret = New Decimal
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| 209 | VarDecNeg(This.dec, ret.dec)
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| 210 | Return ret
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| 211 | End Function
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| 212 |
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| 213 | Const Function Operator *(y As Decimal) As Decimal
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| 214 | Dim ret = New Decimal
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| 215 | VarDecMul(This.dec, y.dec, ret.dec)
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| 216 | Return ret
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| 217 | End Function
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| 218 |
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| 219 | Const Function Operator /(y As Decimal) As Decimal
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| 220 | Dim ret = New Decimal
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| 221 | VarDecDiv(This.dec, y.dec, ret.dec)
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| 222 | Return ret
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| 223 | End Function
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| 224 |
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| 225 | Const Function Operator +(y As Decimal) As Decimal
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| 226 | Dim ret = New Decimal
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| 227 | VarDecAdd(This.dec, y.dec, ret.dec)
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| 228 | Return ret
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| 229 | End Function
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| 230 |
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| 231 | Const Function Operator -(y As Decimal) As Decimal
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| 232 | Dim ret = New Decimal
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| 233 | VarDecSub(This.dec, y.dec, ret.dec)
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| 234 | Return ret
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| 235 | End Function
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| 236 |
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| 237 | Static Function Compare(x As Decimal, y As Decimal) As HRESULT
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[335] | 238 | Return VarDecCmp(x.dec, y.dec)
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[211] | 239 | End Function
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| 240 |
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| 241 | Static Function Compare(x As Decimal, y As Double) As HRESULT
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[335] | 242 | Return VarDecCmpR8(x.dec, y)
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[211] | 243 | End Function
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| 244 |
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| 245 | Static Function Compare(x As Double, y As Decimal) As HRESULT
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[335] | 246 | Dim ret = VarDecCmpR8(y.dec, x)
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[211] | 247 | Select Case ret
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| 248 | Case VARCMP_LT
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| 249 | Return VARCMP_GT
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| 250 | Case VARCMP_GT
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| 251 | Return VARCMP_LT
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| 252 | Case Else
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| 253 | Return ret
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| 254 | End Select
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| 255 | End Function
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| 256 |
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| 257 | Const Function Operator ==(y As Decimal) As Boolean
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| 258 | Dim c = Compare(This, y)
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| 259 | Return c = VARCMP_EQ
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| 260 | End Function
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| 261 |
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| 262 | Const Function Operator ==(y As Double) As Boolean
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| 263 | Dim c = Compare(This, y)
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| 264 | Return c = VARCMP_EQ
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| 265 | End Function
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| 266 |
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| 267 | Const Function Operator <>(y As Decimal) As Boolean
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| 268 | Dim c = Compare(This, y)
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| 269 | Return c <> VARCMP_EQ
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| 270 | End Function
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| 271 |
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| 272 | Const Function Operator <>(y As Double) As Boolean
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| 273 | Dim c = Compare(This, y)
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| 274 | Return c <> VARCMP_EQ
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| 275 | End Function
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| 276 |
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| 277 | Const Function Operator <(y As Decimal) As Boolean
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| 278 | Dim c = Compare(This, y)
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| 279 | Return c = VARCMP_LT
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| 280 | End Function
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| 281 |
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| 282 | Const Function Operator <(y As Double) As Boolean
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| 283 | Dim c = Compare(This, y)
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| 284 | Return c = VARCMP_LT
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| 285 | End Function
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| 286 | /*
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| 287 | Const Function Operator >(y As Decimal) As Boolean
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| 288 | Dim c = Compare(This, y)
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| 289 | Return c = VARCMP_GT
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| 290 | End Function
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| 291 |
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| 292 | Const Function Operator >(y As Double) As Boolean
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| 293 | Dim c = Compare(This, y)
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| 294 | Return c = VARCMP_GT
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| 295 | End Function
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| 296 | */
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| 297 | Const Function Operator <=(y As Decimal) As Boolean
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| 298 | Dim c = Compare(This, y)
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[335] | 299 | Return c = VARCMP_LT Or c = VARCMP_EQ
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[211] | 300 | End Function
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| 301 |
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| 302 | Const Function Operator <=(y As Double) As Boolean
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| 303 | Dim c = Compare(This, y)
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[335] | 304 | Return c = VARCMP_LT Or c = VARCMP_EQ
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[211] | 305 | End Function
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| 306 |
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| 307 | Const Function Operator >=(y As Decimal) As Boolean
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| 308 | Dim c = Compare(This, y)
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[335] | 309 | Return c = VARCMP_GT Or c = VARCMP_EQ
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[211] | 310 | End Function
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| 311 |
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| 312 | Const Function Operator >=(y As Double) As Boolean
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| 313 | Dim c = Compare(This, y)
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[335] | 314 | Return c = VARCMP_GT Or c = VARCMP_EQ
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[211] | 315 | End Function
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| 316 |
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| 317 | Const Function Abs() As Decimal
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| 318 | Abs = New Decimal
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| 319 | VarDecAbs(This.dec, Abs.dec)
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| 320 | End Function
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| 321 |
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| 322 | Const Function Fix() As Decimal
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| 323 | Fix = New Decimal
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| 324 | VarDecFix(This.dec, Fix.dec)
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| 325 | End Function
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| 326 |
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| 327 | Const Function Int() As Decimal
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| 328 | Int = New Decimal
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| 329 | VarDecInt(This.dec, Int.dec)
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| 330 | End Function
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| 331 |
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| 332 | Const Function Round(c = 0 As Long) As Decimal
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| 333 | Round = New Decimal
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| 334 | VarDecRound(This.dec, c, Round.dec)
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| 335 | End Function
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| 336 |
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| 337 | Const Function Dec() As DECIMAL
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| 338 | Return dec
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| 339 | End Function
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| 340 |
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| 341 | Sub Dec(ByRef d As DECIMAL)
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| 342 | dec = d
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| 343 | End Sub
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| 344 |
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| 345 | Const Function ToVariant() As Variant
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[355] | 346 | Return New Variant(This)
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[211] | 347 | End Function
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| 348 |
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| 349 | Override Function ToString() As String
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| 350 | Dim bs As BSTR
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| 351 | VarBstrFromDec(dec, LOCALE_USER_DEFAULT, LOCALE_USE_NLS, bs)
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| 352 | ToString = New String(bs As PCWSTR, SysStringLen(bs) As Long)
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| 353 | SysFreeString(bs)
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| 354 | End Function
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| 355 |
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| 356 | Override Function GetHashCode() As Long
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| 357 | Dim p = VarPtr(dec) As *DWord
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| 358 | Return (p[0] Xor p[1] Xor p[2] Xor p[3]) As Long
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| 359 | End Function
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| 360 |
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| 361 | Function Equals(y As Decimal) As Boolean
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| 362 | Dim c = Compare(This, y)
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| 363 | Return c = VARCMP_EQ
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| 364 | End Function
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| 365 | Private
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| 366 | dec As DECIMAL
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[231] | 367 | End Class
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[267] | 368 |
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| 369 | End Namespace 'COM
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| 370 | End Namespace 'ActiveBasic
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