[211] | 1 | ' com/decimal.ab
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| 2 |
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| 3 | #require <com/variant.ab>
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[231] | 4 | #require <com/currency.ab>
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[211] | 5 |
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[267] | 6 | Namespace ActiveBasic
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| 7 | Namespace COM
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| 8 |
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[211] | 9 | Class Decimal
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[709] | 10 | Implements System.ICloneable, System.IEquatable<Decimal>', System.IComparable<Decimal>
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[211] | 11 | Public
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[709] | 12 |
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[231] | 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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[478] | 17 | dec = d.dec
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[355] | 18 | End Sub
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| 19 |
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| 20 | Sub Decimal(ByRef d As DECIMAL)
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[478] | 21 | dec = d
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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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[709] | 26 | Throw New System.ArgumentOutOfRangeException("scale - Decimal constructor")
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[231] | 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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[709] | 40 | Windows.ThrowIfFailed(VarDecFromI4(x, dec))
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[231] | 41 | End Sub
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| 42 |
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| 43 | Sub Decimal(x As DWord)
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[709] | 44 | Windows.ThrowIfFailed(VarDecFromUI4(x, dec))
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[231] | 45 | End Sub
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| 46 |
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| 47 | Sub Decimal(x As Int64)
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[709] | 48 | Windows.ThrowIfFailed(VarDecFromI8(x, dec))
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[231] | 49 | End Sub
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| 50 |
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| 51 | Sub Decimal(x As QWord)
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[709] | 52 | Windows.ThrowIfFailed(VarDecFromUI8(x, dec))
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[231] | 53 | End Sub
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| 54 |
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| 55 | Sub Decimal(x As Single)
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[709] | 56 | Windows.ThrowIfFailed(VarDecFromR4(x, dec))
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[231] | 57 | End Sub
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| 58 |
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| 59 | Sub Decimal(x As Double)
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[709] | 60 | Windows.ThrowIfFailed(VarDecFromR8(x, dec))
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[231] | 61 | End Sub
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[709] | 62 |
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[231] | 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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[709] | 201 |
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[211] | 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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[709] | 205 |
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[211] | 206 | Const Function Operator -() As Decimal
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| 207 | Dim ret = New Decimal
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[709] | 208 | Windows.ThrowIfFailed(VarDecNeg(This.dec, ret.dec))
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[211] | 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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[709] | 214 | Windows.ThrowIfFailed(VarDecMul(This.dec, y.dec, ret.dec))
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[211] | 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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[709] | 220 | Windows.ThrowIfFailed(VarDecDiv(This.dec, y.dec, ret.dec))
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[211] | 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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[709] | 226 | Windows.ThrowIfFailed(VarDecAdd(This.dec, y.dec, ret.dec))
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[211] | 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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[709] | 232 | Windows.ThrowIfFailed(VarDecSub(This.dec, y.dec, ret.dec))
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[211] | 233 | Return ret
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| 234 | End Function
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| 235 |
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[709] | 236 | ' ThrowIfFailedしていないことに注意
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[211] | 237 | Static Function Compare(x As Decimal, y As Decimal) As HRESULT
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[709] | 238 | Compare = VarDecCmp(x.dec, y.dec)
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[211] | 239 | End Function
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| 240 |
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[709] | 241 | ' ThrowIfFailedしていないことに注意
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[211] | 242 | Static Function Compare(x As Decimal, y As Double) As HRESULT
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[335] | 243 | Return VarDecCmpR8(x.dec, y)
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[211] | 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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[335] | 247 | Dim ret = VarDecCmpR8(y.dec, x)
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[211] | 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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[478] | 287 |
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[211] | 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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[478] | 297 |
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[211] | 298 | Const Function Operator <=(y As Decimal) 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 Double) As Boolean
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| 304 | Dim c = Compare(This, y)
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[335] | 305 | Return c = VARCMP_LT 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 Decimal) 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 Operator >=(y As Double) As Boolean
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| 314 | Dim c = Compare(This, y)
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[335] | 315 | Return c = VARCMP_GT Or c = VARCMP_EQ
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[211] | 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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[709] | 320 | Windows.ThrowIfFailed(VarDecAbs(This.dec, Abs.dec))
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[211] | 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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[709] | 325 | Windows.ThrowIfFailed(VarDecFix(This.dec, Fix.dec))
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[211] | 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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[709] | 330 | Windows.ThrowIfFailed(VarDecInt(This.dec, Int.dec))
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[211] | 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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[709] | 335 | Windows.ThrowIfFailed(VarDecRound(This.dec, c, Round.dec))
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[211] | 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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[355] | 343 | Return New Variant(This)
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[211] | 344 | End Function
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| 345 |
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[709] | 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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[211] | 353 | Override Function ToString() As String
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[709] | 354 | Using bstr = ToBString()
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[478] | 355 | ToString = bstr.ToString
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[709] | 356 | End Using
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[211] | 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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[709] | 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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[211] | 379 | Private
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| 380 | dec As DECIMAL
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[231] | 381 | End Class
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[267] | 382 |
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| 383 | End Namespace 'COM
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| 384 | End Namespace 'ActiveBasic
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