[1] | 1 | 'function.sbp
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| 2 |
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| 3 |
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| 4 | #ifndef _INC_FUNCTION
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| 5 | #define _INC_FUNCTION
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| 6 |
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| 7 |
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| 8 | Const _System_PI = 3.14159265358979323846264
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| 9 | Const _System_LOG2 = 0.6931471805599453094172321214581765680755
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| 10 | Const _System_SQRT2 = 1.41421356237309504880168872421
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| 11 |
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| 12 |
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[16] | 13 | #include <Classes/System/Math.ab>
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| 14 |
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| 15 |
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[1] | 16 | '------------- サポート関数の定義 -------------
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| 17 |
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| 18 | Function ldexp(x As Double, n As Long) As Double
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| 19 | If x = 0 Then
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| 20 | ldexp = 0
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| 21 | Exit Function
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| 22 | End If
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| 23 | Dim pSrc As *QWord, pDest As *QWord
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| 24 | pSrc = VarPtr(x) As *QWord
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| 25 | pDest = VarPtr(ldexp) As *QWord
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| 26 |
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| 27 | n += (pSrc[0] >> 52) As DWord And &h7FF
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| 28 |
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| 29 | pDest[0] = n << 52 Or (pSrc[0] And &h800FFFFFFFFFFFFF)
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| 30 | End Function
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| 31 |
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| 32 | Function frexp(x As Double, ByRef n As Long) As Double
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| 33 | If x = 0 Then
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| 34 | n = 0
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| 35 | frexp = 0
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| 36 | Exit Function
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| 37 | End If
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| 38 |
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| 39 | Dim pSrc As *QWord, pDest As *QWord
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| 40 | pSrc = VarPtr(x) As *QWord
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| 41 | pDest = VarPtr(frexp) As *QWord
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| 42 | n = ((pSrc[0] >> 52) As DWord And &h7FF) - 1022
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| 43 | pDest[0] = (pSrc[0] And &h800FFFFFFFFFFFFF) Or &h3FE0000000000000
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| 44 | End Function
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| 45 |
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| 46 | Function frexp(x As Single, ByRef n As Long) As Single
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| 47 | If x = 0 Then
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| 48 | n = 0
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| 49 | frexp = 0
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| 50 | Exit Function
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| 51 | End If
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| 52 |
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| 53 | Dim pSrc As *DWord, pDest As *DWord
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| 54 | pSrc = VarPtr(x) As *DWord
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| 55 | pDest = VarPtr(frexp) As *DWord
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| 56 | n = ((pSrc[0] >> 23) And &hFF) - 126
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| 57 | pDest[0] = (pSrc[0] And &h807FFFFF) Or &h7E000000
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| 58 | End Function
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| 59 |
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| 60 | Function ipow(x As Double, n As Long) As Double
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| 61 | Dim abs_n As Long
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[10] | 62 | Dim r = 1 As Double
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[1] | 63 |
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| 64 | abs_n=Abs(n) As Long
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| 65 | While abs_n<>0
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[10] | 66 | If abs_n and 1 Then r *= x
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[1] | 67 | x = x * x
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| 68 | abs_n >>= 1 ' abs_n \= 2
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| 69 | Wend
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| 70 |
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| 71 | If n>=0 Then
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| 72 | ipow=r
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| 73 | Else
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| 74 | ipow=1/r
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| 75 | End If
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| 76 | End Function
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| 77 |
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| 78 | Function pow(x As Double, y As Double) As Double
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| 79 | If -LONG_MAX<=y and y<=LONG_MAX and y=CDbl(Int(y)) Then
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| 80 | pow=ipow(x,y As Long)
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| 81 | Exit Function
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| 82 | End If
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| 83 |
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| 84 | If x>0 Then
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| 85 | pow=Exp(y*Log(x))
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| 86 | Exit Function
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| 87 | End If
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| 88 |
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| 89 | If x<>0 or y<=0 Then
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| 90 | 'error
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| 91 | End If
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| 92 |
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| 93 | pow=0
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| 94 | End Function
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| 95 |
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| 96 | #ifdef _WIN64
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| 97 |
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| 98 | Function _System_GetNaN() As Double
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| 99 | SetQWord(VarPtr(_System_GetNaN) As *QWord, &H7FF8000000000000)
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| 100 | End Function
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| 101 |
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| 102 | Function _System_GetInf(sign As BOOL) As Double
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| 103 | Dim s = 0 As QWord
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| 104 | If sign Then s = 1 << 63
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| 105 | SetQWord(VarPtr(_System_GetInf) As *QWord, &h7FF0000000000000 Or s)
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| 106 | End Function
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| 107 |
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| 108 | #else
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| 109 |
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| 110 | Function _System_GetNaN() As Double
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| 111 | Dim p As *DWord
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| 112 | p = VarPtr(_System_GetNaN) As *DWord
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| 113 | p[0] = 0
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| 114 | p[1] = &H7FF80000
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| 115 | End Function
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| 116 |
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| 117 | Function _System_GetInf(sign As BOOL) As Double
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| 118 | Dim s = 0 As DWord
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| 119 | If sign Then s = (1 As DWord) << 31
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| 120 | Dim p As *DWord
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| 121 | p = VarPtr(_System_GetInf) As *DWord
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| 122 | p[0] = 0
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| 123 | p[1] = &h7FF00000 Or s
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| 124 | End Function
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| 125 |
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| 126 | #endif
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| 127 |
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| 128 | ' xの符号だけをyのものにした値を返す。
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| 129 | ' 引数 x 元となる絶対値
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| 130 | ' 引数 y 元となる符号
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| 131 | Function CopySign(x As Double, y As Double) As Double
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| 132 | SetQWord(VarPtr(CopySign), (GetQWord(VarPtr(x)) And &h7fffffffffffffff) Or (GetQWord(VarPtr(y)) And &h8000000000000000))
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| 133 | End Function
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| 134 |
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| 135 | Function CopySign(x As Single, y As Single) As Single
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| 136 | SetDWord(VarPtr(CopySign), (GetDWord(VarPtr(x)) And &h7fffffff) Or (GetDWord(VarPtr(y)) And &h80000000))
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| 137 | End Function
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| 138 |
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| 139 | Function _System_SetSign(x As Double, isNegative As Long) As Double
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| 140 | #ifdef _WIN64
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[92] | 141 | SetQWord(AddressOf(CopySign), (GetQWord(VarPtr(x)) And &h7fffffffffffffff) Or (isNegative << 63))
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[1] | 142 | #else
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[92] | 143 | SetDWord(AddressOf(CopySign), GetDWord(VarPtr(x)))
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| 144 | SetDWord(AddressOf(CopySign) + SizeOf (DWord), GetQWord(VarPtr(x) + SizeOf (DWord)) And &h7fffffff Or (isNegative << 31))
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[1] | 145 | #endif
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| 146 | End Function
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| 147 |
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| 148 | Const RAND_MAX=&H7FFFFFFF
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| 149 | Dim _System_RndNext=1 As DWord
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| 150 |
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| 151 | Function rand() As Long
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| 152 | _System_RndNext = _System_RndNext * 1103515245 + 12345
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| 153 | rand = _System_RndNext >> 1
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| 154 | End Function
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| 155 |
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| 156 | Sub srand(dwSeek As DWord)
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| 157 | _System_RndNext = dwSeek
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| 158 | End Sub
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| 159 |
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| 160 |
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| 161 | '------------- ここからBasic標準関数の定義 -------------
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| 162 |
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| 163 |
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| 164 | '------------------
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| 165 | ' データ型変換関数
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| 166 | '------------------
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| 167 |
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| 168 | Function CDbl(number As Double) As Double
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| 169 | CDbl=number
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| 170 | End Function
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| 171 |
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| 172 | Function _CUDbl(number As QWord) As Double
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| 173 | _CUDbl=number As Double
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| 174 | End Function
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| 175 |
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| 176 | Function CDWord(num As Double) As DWord
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[92] | 177 | CDWord=num As DWord
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[1] | 178 | End Function
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| 179 |
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| 180 | Function CInt(number As Double) As Long
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[92] | 181 | CInt=number As Long
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[1] | 182 | End Function
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| 183 |
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| 184 | Function CSng(number As Double) As Single
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[92] | 185 | CSng=number As Single
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[1] | 186 | End Function
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| 187 |
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| 188 | #ifdef _WIN64
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| 189 | Function Fix(number As Double) As Long
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| 190 | Fix=number As Long
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| 191 | End Function
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| 192 | #else
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| 193 | 'Fix関数はコンパイラに組み込まれている
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| 194 | 'Function Fix(number As Double) As Long
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| 195 | #endif
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| 196 |
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| 197 | Function Int(number As Double) As Long
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| 198 | Int=Fix(number)
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| 199 | If number<0 Then
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| 200 | If number<Fix(number) Then Int=Int-1
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| 201 | End If
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| 202 | End Function
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| 203 |
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| 204 |
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| 205 | '-------------------------------------
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| 206 | ' ポインタ関数(コンパイラに組み込み)
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| 207 | '-------------------------------------
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| 208 |
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| 209 | 'Function GetDouble(p As DWord) As Double
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| 210 | 'Function GetSingle(p As DWord) As Single
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| 211 | 'Function GetDWord(p As DWord) As DWord
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| 212 | 'Function GetWord(p As DWord) As Word
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| 213 | 'Function GetByte(p As DWord) As Byte
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| 214 | 'Sub SetDouble(p As DWord, dblData As Double)
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| 215 | 'Sub SetSingle(p As DWord, fltData As Single)
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| 216 | 'Sub SetDWord(p As DWord, dwData As DWord)
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| 217 | 'Sub SetWord(p As DWord, wData As Word)
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| 218 | 'Sub SetByte(p As DWord, byteData As Byte)
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| 219 |
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| 220 |
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| 221 | '----------
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| 222 | ' 算術関数
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| 223 | '----------
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| 224 |
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| 225 | Function Abs(number As Double) As Double
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| 226 | 'Abs = Math.Abs(number)
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| 227 | If number < 0 then
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| 228 | return -number
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| 229 | Else
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| 230 | return number
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| 231 | End If
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| 232 | End Function
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| 233 |
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| 234 | Function Exp(x As Double) As Double
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| 235 | Exp = Math.Exp(x)
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| 236 | End Function
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| 237 |
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| 238 | Function Log(x As Double) As Double
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| 239 | Log = Math.Log(x)
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| 240 | End Function
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| 241 |
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| 242 | Function Sgn(number As Double) As Long
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| 243 | Sgn = Math.Sign(number)
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| 244 | End Function
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| 245 |
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| 246 | Function Sqr(number As Double) As Double
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| 247 | Sqr = Math.Sqrt(number)
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| 248 | End Function
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| 249 |
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| 250 | Function Atn(number As Double) As Double
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| 251 | Atn = Math.Atan(number)
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| 252 | End Function
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| 253 |
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| 254 | Function _Support_tan(x As Double, ByRef k As Long) As Double
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| 255 | Dim i As Long
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| 256 | Dim t As Double, x2 As Double
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| 257 |
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| 258 | If x>=0 Then
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| 259 | k=Fix(x/(_System_PI/2)+0.5)
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| 260 | Else
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| 261 | k=Fix(x/(_System_PI/2)-0.5)
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| 262 | End If
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| 263 |
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| 264 | x=(x-(CDbl(3217)/CDbl(2048))*k)+4.4544551033807686783083602485579e-6*k
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| 265 |
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| 266 | x2=x*x
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| 267 | t=0
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| 268 |
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| 269 | For i=19 To 3 Step -2
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| 270 | t=x2/(i-t)
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| 271 | Next
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| 272 |
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| 273 | _Support_tan=x/(1-t)
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| 274 | End Function
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| 275 |
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| 276 | Function Atn2(y As Double, x As Double) As Double
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[10] | 277 | Atn2 = Math.Atan2(y, x)
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[1] | 278 | End Function
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| 279 |
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| 280 | Function Sin(number As Double) As Double
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[94] | 281 | Sin = Math.Sin(number)
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[1] | 282 | End Function
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| 283 |
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| 284 | Function Cos(number As Double) As Double
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| 285 | Cos = Math.Cos(number)
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| 286 | End Function
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| 287 |
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| 288 | Function Tan(number As Double) As Double
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| 289 | Tan = Math.Tan(number)
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| 290 | End Function
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| 291 |
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[121] | 292 | Function IsNaN(ByVal x As Double) As Boolean
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[1] | 293 | Dim p As *DWord
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| 294 | p = VarPtr(x) As *DWord
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| 295 | IsNaN = FALSE
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| 296 | If (p[1] And &H7FF00000) = &H7FF00000 Then
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| 297 | If (p[0] <> 0) Or ((p[1] And &HFFFFF) <> 0) Then
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[121] | 298 | IsNaN = True
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[1] | 299 | End If
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| 300 | End If
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| 301 |
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| 302 | ' IsNaN=FALSE
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| 303 | End Function
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| 304 |
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[121] | 305 | Function IsInf(x As Double) As Boolean
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[1] | 306 | Dim p As *DWord, nan As Double
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| 307 | p = VarPtr(x) As *DWord
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| 308 | p[1] And= &h7fffffff
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| 309 | nan = _System_GetInf(FALSE)
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| 310 | IsInf = (memcmp(p As *Byte, VarPtr(nan), SizeOf (Double)) = 0)
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| 311 | End Function
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| 312 |
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[121] | 313 | Function IsNaNOrInf(x As Double) As Boolean
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[1] | 314 | IsNaNOrInf = IsFinite(x)
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| 315 | End Function
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| 316 |
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[121] | 317 | Function IsFinite(x As Double) As Boolean
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[1] | 318 | Dim p As *DWord, nan As Double
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| 319 | p = VarPtr(x) As *DWord
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| 320 | ' p[1] And= &h7ffe0000
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| 321 | p[1] And= &H7FF00000
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| 322 | p[0] = 0
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| 323 | nan = _System_GetInf(/*x,*/ FALSE)
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[121] | 324 | IsFinite = (memcmp(p As BytePtr, VarPtr(nan), SizeOf (Double)) = 0)
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[1] | 325 | End Function
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| 326 |
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| 327 | Const RAND_UNIT = (1.0 / (LONG_MAX + 1.0))
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| 328 | Function Rnd() As Double
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| 329 | Rnd = RAND_UNIT * rand()
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| 330 | End Function
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| 331 |
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| 332 | Const HIBYTE(w) = (((w As Word) >> 8) and &HFF) As Byte
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| 333 | Const LOBYTE(w) = ((w As Word) and &HFF) As Byte
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| 334 | Const HIWORD(dw) = (((dw As DWord) >> 16) and &HFFFF) As Word
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| 335 | Const LOWORD(dw) = ((dw As DWord) and &HFFFF) As Word
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| 336 |
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| 337 | Const MAKEWORD(a,b) = (((a As Word) and &HFF) or (((b As Word) and &HFF)<<8)) As Word
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| 338 | Const MAKELONG(a,b) = (((a As DWord) and &HFFFF) or (((b As DWord) and &HFFFF)<<16)) As Long
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| 339 |
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| 340 |
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| 341 |
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| 342 | '------------
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| 343 | ' 文字列関数
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| 344 | '------------
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| 345 |
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[110] | 346 | Function Asc(buf As String) As Char
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[1] | 347 | Asc = buf[0]
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| 348 | End Function
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| 349 |
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[110] | 350 | Function Chr$(code As Char) As String
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[121] | 351 | Chr$ = ZeroString(1)
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| 352 | Chr$[0] = code
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[1] | 353 | End Function
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| 354 |
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[121] | 355 | #ifdef UNICODE
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| 356 | Function AscW(s As String) As UCSCHAR
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| 357 | If s.Length = 0 Then
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| 358 | AscW = 0
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| 359 | Else
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| 360 | If _System_IsSurrogatePair(s[0], s[1]) Then
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| 361 | AscW = ((s[0] And &h3FF) As DWord << 10) Or (s[1] And &h3FF)
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| 362 | Else
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| 363 | AscW = s[0]
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| 364 | End If
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| 365 | End If
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| 366 | End Function
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| 367 |
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| 368 | Function ChrW(c As UCSCHAR) As String
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| 369 | If c <= &hFFFF Then
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| 370 | ChrW.ReSize(1)
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| 371 | ChrW[0] = c As WCHAR
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| 372 | ElseIf c < &h10FFFF Then
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| 373 | ChrW.ReSize(2)
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| 374 | ChrW[0] = &hD800 Or (c >> 10)
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| 375 | ChrW[1] = &hDC00 Or (c And &h3FF)
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| 376 | Else
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| 377 | ' OutOfRangeException
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| 378 | End If
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| 379 | End Function
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| 380 | #endif
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| 381 |
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[1] | 382 | Function Date$() As String
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| 383 | Dim st As SYSTEMTIME
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| 384 | GetLocalTime(st)
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| 385 |
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| 386 | 'year
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| 387 | Date$=Str$(st.wYear)
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| 388 |
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| 389 | 'month
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| 390 | If st.wMonth<10 Then
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| 391 | Date$=Date$+"/0"
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| 392 | Else
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| 393 | Date$=Date$+"/"
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| 394 | End If
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| 395 | Date$=Date$+Str$(st.wMonth)
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| 396 |
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| 397 | 'day
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| 398 | If st.wDay<10 Then
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| 399 | Date$=Date$+"/0"
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| 400 | Else
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| 401 | Date$=Date$+"/"
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| 402 | End If
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| 403 | Date$=Date$+Str$(st.wDay)
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| 404 | End Function
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| 405 |
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[121] | 406 | Dim _System_HexadecimalTable[&h10] = [&h30, &h31, &h32, &h33, &h34, &h35, &h36, &h37, &h38, &h39, &h41, &h42, &h43, &h44, &h45, &h46] As Byte
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| 407 |
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| 408 | Function Hex$(x As DWord) As String
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| 409 | Dim i = 0
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| 410 | Hex$ = ZeroString(8)
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| 411 | While (x And &hf0000000) = 0
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| 412 | x <<= 4
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| 413 | Wend
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| 414 | While x <> 0
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| 415 | Hex$[i] = _System_HexadecimalTable[(x And &hf0000000) >> 28] As Char
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| 416 | x <<= 4
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| 417 | i++
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| 418 | Wend
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| 419 | Hex$.ReSize(i)
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[1] | 420 | End Function
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| 421 |
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[121] | 422 | Function Hex$(x As QWord) As String
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| 423 | Hex$ = Hex$((x >> 32) As DWord) + Hex$((x And &hffffffff) As DWord)
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[1] | 424 | End Function
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| 425 |
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| 426 | Function InStr(StartPos As Long, buf1 As String, buf2 As String) As Long
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| 427 | Dim len1 As Long, len2 As Long, i As Long, i2 As Long, i3 As Long
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| 428 |
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| 429 | len1=Len(buf1)
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| 430 | len2=Len(buf2)
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| 431 |
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| 432 | If len2=0 Then
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| 433 | InStr=StartPos
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| 434 | Exit Function
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| 435 | End If
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| 436 |
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[10] | 437 | StartPos--
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[1] | 438 | If StartPos<0 Then
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| 439 | 'error
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| 440 | InStr=0
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| 441 | Exit Function
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| 442 | End If
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| 443 |
|
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| 444 | i=StartPos:InStr=0
|
---|
| 445 | While i<=len1-len2
|
---|
| 446 | i2=i:i3=0
|
---|
| 447 | Do
|
---|
| 448 | If i3=len2 Then
|
---|
| 449 | InStr=i+1
|
---|
| 450 | Exit Do
|
---|
| 451 | End If
|
---|
| 452 | If buf1[i2]<>buf2[i3] Then Exit Do
|
---|
| 453 |
|
---|
[10] | 454 | i2++
|
---|
| 455 | i3++
|
---|
[1] | 456 | Loop
|
---|
| 457 | If InStr Then Exit While
|
---|
[10] | 458 | i++
|
---|
[1] | 459 | Wend
|
---|
| 460 | End Function
|
---|
| 461 |
|
---|
| 462 | Function Left$(buf As String, length As Long) As String
|
---|
[121] | 463 | Left$ = ZeroString(length)
|
---|
| 464 | memcpy(StrPtr(Left$), StrPtr(buf), SizeOf (Char) * length)
|
---|
[1] | 465 | End Function
|
---|
| 466 |
|
---|
| 467 | Function Mid$(buf As String, StartPos As Long)(ReadLength As Long) As String
|
---|
| 468 | Dim length As Long
|
---|
| 469 |
|
---|
[10] | 470 | StartPos--
|
---|
[1] | 471 | If StartPos<0 Then
|
---|
| 472 | 'error
|
---|
| 473 | 'Debug
|
---|
| 474 | Exit Function
|
---|
| 475 | End If
|
---|
| 476 |
|
---|
| 477 | length=Len(buf)
|
---|
| 478 | If length<=StartPos Then Exit Function
|
---|
| 479 |
|
---|
| 480 | If ReadLength=0 Then
|
---|
| 481 | ReadLength=length-StartPos
|
---|
| 482 | End If
|
---|
| 483 |
|
---|
| 484 | If ReadLength>length-StartPos Then
|
---|
| 485 | ReadLength=length-StartPos
|
---|
| 486 | End If
|
---|
| 487 |
|
---|
| 488 | Mid$=ZeroString(ReadLength)
|
---|
[121] | 489 | memcpy(StrPtr(Mid$), VarPtr(buf[StartPos]), SizeOf (Char) * ReadLength)
|
---|
[1] | 490 | End Function
|
---|
| 491 |
|
---|
| 492 | Function Oct$(num As DWord) As String
|
---|
| 493 | Dim i As DWord, i2 As DWord
|
---|
| 494 |
|
---|
| 495 | For i=10 To 1 Step -1
|
---|
| 496 | If (num\CDWord(8^i)) And &H07 Then
|
---|
| 497 | Exit For
|
---|
| 498 | End If
|
---|
| 499 | Next
|
---|
| 500 |
|
---|
| 501 | Oct$=ZeroString(i+1)
|
---|
| 502 | i2=0
|
---|
| 503 | Do
|
---|
| 504 | Oct$[i2]=Asc("0")+((num\CDWord(8^i)) And &H07)
|
---|
| 505 | If i=0 Then Exit Do
|
---|
| 506 | i--
|
---|
| 507 | i2++
|
---|
| 508 | Loop
|
---|
| 509 | End Function
|
---|
| 510 |
|
---|
| 511 | Function Right$(buf As String, length As Long) As String
|
---|
| 512 | Dim i As Long
|
---|
| 513 |
|
---|
| 514 | i=Len(buf)
|
---|
| 515 | If i>length Then
|
---|
| 516 | Right$=ZeroString(length)
|
---|
[121] | 517 | memcpy(StrPtr(Right$), VarPtr(buf[i-length]), SizeOf (Char) * length)
|
---|
[1] | 518 | Else
|
---|
| 519 | Right$=buf
|
---|
| 520 | End If
|
---|
| 521 | End Function
|
---|
| 522 |
|
---|
| 523 | Function Space$(length As Long) As String
|
---|
| 524 | Space$=ZeroString(length)
|
---|
| 525 | FillMemory(StrPtr(Space$),length,&H20)
|
---|
| 526 | End Function
|
---|
| 527 |
|
---|
[110] | 528 | Dim _System_ecvt_buffer[16] As Char
|
---|
[1] | 529 | Sub _ecvt_support(count As Long)
|
---|
| 530 | Dim i As Long
|
---|
| 531 | If _System_ecvt_buffer[count]=9 Then
|
---|
| 532 | _System_ecvt_buffer[count]=0
|
---|
| 533 | If count=0 Then
|
---|
| 534 | For i=16 To 1 Step -1
|
---|
| 535 | _System_ecvt_buffer[i]=_System_ecvt_buffer[i-1]
|
---|
| 536 | Next
|
---|
| 537 | _System_ecvt_buffer[0]=1
|
---|
| 538 | Else
|
---|
| 539 | _ecvt_support(count-1)
|
---|
| 540 | End If
|
---|
| 541 | Else
|
---|
[110] | 542 | _System_ecvt_buffer[count]=_System_ecvt_buffer[count]+1 As Char
|
---|
[1] | 543 | End If
|
---|
| 544 | End Sub
|
---|
[119] | 545 | Function _ecvt(value As Double, count As Long, ByRef dec As Long, ByRef sign As Long) As *Char
|
---|
| 546 | Dim temp As *Char
|
---|
[1] | 547 | Dim i As Long, i2 As Long
|
---|
| 548 |
|
---|
| 549 | _ecvt=_System_ecvt_buffer
|
---|
| 550 |
|
---|
| 551 | '値が0の場合
|
---|
| 552 | If value=0 Then
|
---|
| 553 | FillMemory(_System_ecvt_buffer,count,&H30)
|
---|
| 554 | _System_ecvt_buffer[count]=0
|
---|
| 555 | dec=0
|
---|
| 556 | sign=0
|
---|
| 557 | Exit Function
|
---|
| 558 | End If
|
---|
| 559 |
|
---|
| 560 | '符号の判断(同時に符号を取り除く)
|
---|
| 561 | If value<0 Then
|
---|
| 562 | sign=1
|
---|
| 563 | value=-value
|
---|
| 564 | Else
|
---|
| 565 | sign=0
|
---|
| 566 | End If
|
---|
| 567 |
|
---|
| 568 | '正規化
|
---|
| 569 | dec=1
|
---|
| 570 | While value<0.999999999999999 'value<1
|
---|
[119] | 571 | value *= 10
|
---|
| 572 | dec--
|
---|
[1] | 573 | Wend
|
---|
| 574 | While 9.99999999999999<=value '10<=value
|
---|
[119] | 575 | value /= 10
|
---|
| 576 | dec++
|
---|
[1] | 577 | Wend
|
---|
| 578 |
|
---|
| 579 | For i=0 To count-1
|
---|
[110] | 580 | _System_ecvt_buffer[i]=Int(value) As Char
|
---|
[1] | 581 |
|
---|
| 582 | value=(value-CDbl(Int(value)))*10
|
---|
| 583 | Next
|
---|
| 584 | _System_ecvt_buffer[i]=0
|
---|
| 585 |
|
---|
[119] | 586 | i--
|
---|
[1] | 587 | If value>=5 Then
|
---|
| 588 | '切り上げ処理
|
---|
| 589 | _ecvt_support(i)
|
---|
| 590 | End If
|
---|
| 591 |
|
---|
| 592 | For i=0 To count-1
|
---|
[119] | 593 | _System_ecvt_buffer[i] += &H30
|
---|
[1] | 594 | Next
|
---|
| 595 | _System_ecvt_buffer[i]=0
|
---|
| 596 | End Function
|
---|
| 597 |
|
---|
| 598 | Function Str$(dbl As Double) As String
|
---|
| 599 | If IsNaN(dbl) Then
|
---|
| 600 | Return "NaN"
|
---|
| 601 | ElseIf IsInf(dbl) Then
|
---|
| 602 | If dbl > 0 Then
|
---|
| 603 | Return "Infinity"
|
---|
| 604 | Else
|
---|
| 605 | Return "-Infinity"
|
---|
| 606 | End If
|
---|
| 607 | End If
|
---|
| 608 | Dim dec As Long, sign As Long
|
---|
[110] | 609 | Dim buffer[32] As Char, temp As *Char
|
---|
[1] | 610 | Dim i As Long, i2 As Long, i3 As Long
|
---|
| 611 |
|
---|
| 612 | '浮動小数点を文字列に変換
|
---|
| 613 | temp=_ecvt(dbl,15,dec,sign)
|
---|
| 614 |
|
---|
| 615 | i=0
|
---|
| 616 |
|
---|
| 617 | '符号の取り付け
|
---|
| 618 | If sign Then
|
---|
| 619 | buffer[i]=Asc("-")
|
---|
[10] | 620 | i++
|
---|
[1] | 621 | End If
|
---|
| 622 |
|
---|
| 623 | If dec>15 Then
|
---|
| 624 | '指数表示(桁が大きい場合)
|
---|
| 625 | buffer[i]=temp[0]
|
---|
[10] | 626 | i++
|
---|
[1] | 627 | buffer[i]=Asc(".")
|
---|
[10] | 628 | i++
|
---|
[1] | 629 | memcpy(buffer+i,temp+1,14)
|
---|
[10] | 630 | i+=14
|
---|
[1] | 631 | buffer[i]=Asc("e")
|
---|
[10] | 632 | i++
|
---|
[1] | 633 | wsprintf(buffer+i,"+%03d",dec-1)
|
---|
| 634 |
|
---|
| 635 | Return MakeStr(buffer)
|
---|
| 636 | End If
|
---|
| 637 |
|
---|
| 638 | If dec<-3 Then
|
---|
| 639 | '指数表示(桁が小さい場合)
|
---|
| 640 | buffer[i]=temp[0]
|
---|
[10] | 641 | i++
|
---|
[1] | 642 | buffer[i]=Asc(".")
|
---|
[10] | 643 | i++
|
---|
[1] | 644 | memcpy(buffer+i,temp+1,14)
|
---|
[10] | 645 | i+=14
|
---|
[1] | 646 | buffer[i]=Asc("e")
|
---|
[10] | 647 | i++
|
---|
[1] | 648 | wsprintf(buffer+i,"%03d",dec-1)
|
---|
| 649 |
|
---|
| 650 | Return MakeStr(buffer)
|
---|
| 651 | End If
|
---|
| 652 |
|
---|
| 653 | '整数部
|
---|
| 654 | i2=dec
|
---|
| 655 | i3=0
|
---|
| 656 | If i2>0 Then
|
---|
| 657 | While i2>0
|
---|
| 658 | buffer[i]=temp[i3]
|
---|
[10] | 659 | i++
|
---|
| 660 | i3++
|
---|
| 661 | i2--
|
---|
[1] | 662 | Wend
|
---|
| 663 | buffer[i]=Asc(".")
|
---|
[10] | 664 | i++
|
---|
[1] | 665 | Else
|
---|
| 666 | buffer[i]=&H30
|
---|
[10] | 667 | i++
|
---|
[1] | 668 | buffer[i]=Asc(".")
|
---|
[10] | 669 | i++
|
---|
[1] | 670 |
|
---|
| 671 | i2=dec
|
---|
| 672 | While i2<0
|
---|
| 673 | buffer[i]=&H30
|
---|
[10] | 674 | i++
|
---|
| 675 | i2++
|
---|
[1] | 676 | Wend
|
---|
| 677 | End If
|
---|
| 678 |
|
---|
| 679 | '小数部
|
---|
| 680 | While i3<15
|
---|
| 681 | buffer[i]=temp[i3]
|
---|
[10] | 682 | i++
|
---|
| 683 | i3++
|
---|
[1] | 684 | Wend
|
---|
| 685 |
|
---|
| 686 | While buffer[i-1]=&H30
|
---|
[10] | 687 | i--
|
---|
[1] | 688 | Wend
|
---|
[10] | 689 | If buffer[i-1]=Asc(".") Then i--
|
---|
[1] | 690 |
|
---|
| 691 | buffer[i]=0
|
---|
| 692 | Return MakeStr(buffer)
|
---|
| 693 | End Function
|
---|
| 694 | Function Str$(value As LONG_PTR) As String
|
---|
[110] | 695 | Dim temp[255] As Char
|
---|
[121] | 696 | #ifdef _WIN64
|
---|
| 697 | _sntprintf(temp, Len (temp) / SizeOf (Char), "%I64d", value)
|
---|
| 698 | #else
|
---|
| 699 | _sntprintf(temp, Len (temp) / SizeOf (Char), "%d", value)
|
---|
| 700 | #endif
|
---|
| 701 | Str$ = temp
|
---|
[1] | 702 | End Function
|
---|
| 703 |
|
---|
| 704 | Function String$(num As Long, buf As String) As String
|
---|
| 705 | Dim dwStrPtr As DWord
|
---|
| 706 | Dim length As Long
|
---|
| 707 |
|
---|
| 708 | length=Len(buf)
|
---|
| 709 |
|
---|
| 710 | 'バッファ領域を確保
|
---|
| 711 | String$=ZeroString(length*num)
|
---|
| 712 |
|
---|
| 713 | '文字列をコピー
|
---|
| 714 | Dim i As Long
|
---|
| 715 | For i=0 To num-1
|
---|
[121] | 716 | memcpy(VarPtr(String$[i*length]),StrPtr(buf),SizeOf (Char) * length)
|
---|
[1] | 717 | Next
|
---|
| 718 | End Function
|
---|
| 719 |
|
---|
| 720 | Function Time$() As String
|
---|
| 721 | Dim st As SYSTEMTIME
|
---|
| 722 |
|
---|
| 723 | GetLocalTime(st)
|
---|
| 724 |
|
---|
| 725 | 'hour
|
---|
| 726 | If st.wHour<10 Then
|
---|
| 727 | Time$="0"
|
---|
| 728 | End If
|
---|
| 729 | Time$=Time$+Str$(st.wHour)
|
---|
| 730 |
|
---|
| 731 | 'minute
|
---|
| 732 | If st.wMinute<10 Then
|
---|
| 733 | Time$=Time$+":0"
|
---|
| 734 | Else
|
---|
| 735 | Time$=Time$+":"
|
---|
| 736 | End If
|
---|
| 737 | Time$=Time$+Str$(st.wMinute)
|
---|
| 738 |
|
---|
| 739 | 'second
|
---|
| 740 | If st.wSecond<10 Then
|
---|
| 741 | Time$=Time$+":0"
|
---|
| 742 | Else
|
---|
| 743 | Time$=Time$+":"
|
---|
| 744 | End If
|
---|
| 745 | Time$=Time$+Str$(st.wSecond)
|
---|
| 746 | End Function
|
---|
| 747 |
|
---|
[119] | 748 | Function Val(buf As *Char) As Double
|
---|
[1] | 749 | Dim i As Long, i2 As Long, i3 As Long, i4 As Long
|
---|
| 750 | Dim temporary As String
|
---|
[119] | 751 | Dim TempPtr As *Char
|
---|
[1] | 752 | Dim dbl As Double
|
---|
| 753 | Dim i64data As Int64
|
---|
| 754 |
|
---|
| 755 | Val=0
|
---|
| 756 |
|
---|
| 757 | While buf[0]=Asc(" ") or buf[0]=Asc(Ex"\t")
|
---|
| 758 | buf++
|
---|
| 759 | Wend
|
---|
| 760 |
|
---|
| 761 | If buf[0]=Asc("&") Then
|
---|
[121] | 762 | temporary=buf
|
---|
[1] | 763 | TempPtr=StrPtr(temporary)
|
---|
| 764 | CharUpper(TempPtr)
|
---|
| 765 | If TempPtr(1)=Asc("O") Then
|
---|
| 766 | '8進数
|
---|
| 767 | i=2
|
---|
| 768 | While 1
|
---|
| 769 | '数字以外の文字の場合は抜け出す
|
---|
| 770 | i3=TempPtr[i]-&H30
|
---|
| 771 | If Not (0<=i3 And i3<=7) Then Exit While
|
---|
| 772 |
|
---|
[110] | 773 | TempPtr[i]=i3 As Char
|
---|
[1] | 774 | i++
|
---|
| 775 | Wend
|
---|
| 776 | i--
|
---|
| 777 |
|
---|
| 778 | i64data=1
|
---|
| 779 | While i>=2
|
---|
| 780 | Val=Val+i64data*TempPtr[i]
|
---|
| 781 |
|
---|
| 782 | i64data=i64data*&O10
|
---|
[10] | 783 | i--
|
---|
[1] | 784 | Wend
|
---|
| 785 | ElseIf TempPtr(1)=Asc("H") Then
|
---|
| 786 | '16進数
|
---|
| 787 | i=2
|
---|
| 788 | While 1
|
---|
| 789 | '数字以外の文字の場合は抜け出す
|
---|
| 790 | i3=TempPtr[i]-&H30
|
---|
| 791 | If Not(0<=i3 and i3<=9) Then
|
---|
| 792 | i3=TempPtr[i]-&H41+10
|
---|
| 793 | If Not(&HA<=i3 and i3<=&HF) Then Exit While
|
---|
| 794 | End If
|
---|
| 795 |
|
---|
[110] | 796 | TempPtr[i]=i3 As Char
|
---|
[1] | 797 | i++
|
---|
| 798 | Wend
|
---|
| 799 | i--
|
---|
| 800 |
|
---|
| 801 | i64data=1
|
---|
| 802 | While i>=2
|
---|
[22] | 803 | Val += (i64data*TempPtr[i]) As Double
|
---|
[1] | 804 |
|
---|
[10] | 805 | i64data *= &H10
|
---|
[1] | 806 | i--
|
---|
| 807 | Wend
|
---|
| 808 | End If
|
---|
| 809 | Else
|
---|
| 810 | '10進数
|
---|
| 811 | If buf[0]=&H2D Then
|
---|
| 812 | 'マイナス値
|
---|
| 813 | i4=1
|
---|
| 814 | buf++
|
---|
| 815 | Else
|
---|
| 816 | 'プラス値
|
---|
| 817 | i4=0
|
---|
| 818 | If buf[0]=&H2B Then
|
---|
| 819 | buf++
|
---|
| 820 | End If
|
---|
| 821 | End If
|
---|
| 822 |
|
---|
| 823 | i=0
|
---|
| 824 |
|
---|
| 825 | While 1
|
---|
| 826 | '数字以外の文字の場合は抜け出す
|
---|
| 827 | i3=buf[i]-&H30
|
---|
| 828 | If Not (0<=i3 And i3<=9) Then Exit While
|
---|
| 829 |
|
---|
| 830 | i++
|
---|
| 831 | Wend
|
---|
| 832 |
|
---|
| 833 | '整数部
|
---|
| 834 | dbl=1
|
---|
| 835 | i3=i-1
|
---|
| 836 | While i3>=0
|
---|
[10] | 837 | Val += dbl*(buf[i3]-&H30)
|
---|
[1] | 838 |
|
---|
[10] | 839 | dbl *= 10
|
---|
[1] | 840 | i3--
|
---|
| 841 | Wend
|
---|
| 842 |
|
---|
| 843 | If buf[i]=Asc(".") Then
|
---|
| 844 | '小数部
|
---|
| 845 | i++
|
---|
| 846 | dbl=10
|
---|
| 847 | While 1
|
---|
| 848 | '数字以外の文字の場合は抜け出す
|
---|
| 849 | i3=buf[i]-&H30
|
---|
| 850 | If Not (0<=i3 And i3<=9) Then Exit While
|
---|
| 851 |
|
---|
| 852 | Val += (buf[i] - &H30) / dbl
|
---|
| 853 | dbl *= 10
|
---|
| 854 | i++
|
---|
| 855 | Wend
|
---|
| 856 | End If
|
---|
| 857 |
|
---|
| 858 | If i4 Then Val=-Val
|
---|
| 859 | End If
|
---|
| 860 | End Function
|
---|
| 861 |
|
---|
| 862 |
|
---|
| 863 | '--------------
|
---|
| 864 | ' ファイル関数
|
---|
| 865 | '--------------
|
---|
| 866 |
|
---|
| 867 | Function Eof(FileNum As Long) As Long
|
---|
| 868 | Dim dwCurrent As DWord, dwEnd As DWord
|
---|
| 869 |
|
---|
| 870 | FileNum--
|
---|
| 871 |
|
---|
| 872 | dwCurrent=SetFilePointer(_System_hFile(FileNum),0,NULL,FILE_CURRENT)
|
---|
| 873 | dwEnd=SetFilePointer(_System_hFile(FileNum),0,NULL,FILE_END)
|
---|
| 874 | SetFilePointer(_System_hFile(FileNum),dwCurrent,NULL,FILE_BEGIN)
|
---|
| 875 |
|
---|
| 876 | If dwCurrent>=dwEnd Then
|
---|
| 877 | Eof=-1
|
---|
| 878 | Else
|
---|
| 879 | Eof=0
|
---|
| 880 | End If
|
---|
| 881 | End Function
|
---|
| 882 |
|
---|
| 883 | Function Lof(FileNum As Long) As Long
|
---|
| 884 | Lof=GetFileSize(_System_hFile(FileNum-1),NULL)
|
---|
| 885 | End Function
|
---|
| 886 |
|
---|
| 887 | Function Loc(FileNum As Long) As Long
|
---|
| 888 | Dim NowPos As Long, BeginPos As Long
|
---|
| 889 |
|
---|
[10] | 890 | FileNum--
|
---|
[1] | 891 |
|
---|
| 892 | NowPos=SetFilePointer(_System_hFile(FileNum),0,NULL,FILE_CURRENT)
|
---|
| 893 | BeginPos=SetFilePointer(_System_hFile(FileNum),0,NULL,FILE_BEGIN)
|
---|
| 894 | SetFilePointer(_System_hFile(FileNum),NowPos-BeginPos,NULL,FILE_BEGIN)
|
---|
| 895 |
|
---|
| 896 | Loc=NowPos-BeginPos
|
---|
| 897 | End Function
|
---|
| 898 |
|
---|
| 899 |
|
---|
| 900 | '------------------
|
---|
| 901 | ' メモリ関連の関数
|
---|
| 902 | '------------------
|
---|
| 903 |
|
---|
| 904 | Function malloc(stSize As SIZE_T) As VoidPtr
|
---|
| 905 | Return _System_GC.__malloc(stSize,_System_GC_FLAG_NEEDFREE)
|
---|
| 906 | End Function
|
---|
| 907 |
|
---|
| 908 | Function calloc(stSize As SIZE_T) As VoidPtr
|
---|
| 909 | Return _System_GC.__malloc(stSize,_System_GC_FLAG_NEEDFREE or _System_GC_FLAG_INITZERO)
|
---|
| 910 | End Function
|
---|
| 911 |
|
---|
| 912 | Function realloc(lpMem As VoidPtr, stSize As SIZE_T) As VoidPtr
|
---|
| 913 | If lpMem = 0 Then
|
---|
| 914 | Return malloc(stSize)
|
---|
| 915 | Else
|
---|
| 916 | Return _System_GC.__realloc(lpMem,stSize)
|
---|
| 917 | End If
|
---|
| 918 | End Function
|
---|
| 919 |
|
---|
| 920 | Sub free(lpMem As VoidPtr)
|
---|
| 921 | _System_GC.__free(lpMem)
|
---|
| 922 | End Sub
|
---|
| 923 |
|
---|
| 924 |
|
---|
| 925 | Function _System_malloc(stSize As SIZE_T) As VoidPtr
|
---|
| 926 | Return HeapAlloc(_System_hProcessHeap,0,stSize)
|
---|
| 927 | End Function
|
---|
| 928 |
|
---|
| 929 | Function _System_calloc(stSize As SIZE_T) As VoidPtr
|
---|
| 930 | Return HeapAlloc(_System_hProcessHeap,HEAP_ZERO_MEMORY,stSize)
|
---|
| 931 | End Function
|
---|
| 932 |
|
---|
| 933 | Function _System_realloc(lpMem As VoidPtr, stSize As SIZE_T) As VoidPtr
|
---|
| 934 | If lpMem = 0 Then
|
---|
| 935 | Return HeapAlloc(_System_hProcessHeap, 0, stSize)
|
---|
| 936 | Else
|
---|
| 937 | Return HeapReAlloc(_System_hProcessHeap, 0, lpMem, stSize)
|
---|
| 938 | End If
|
---|
| 939 | End Function
|
---|
| 940 |
|
---|
| 941 | Sub _System_free(lpMem As VoidPtr)
|
---|
| 942 | HeapFree(_System_hProcessHeap,0,lpMem)
|
---|
| 943 | End Sub
|
---|
| 944 |
|
---|
| 945 |
|
---|
| 946 | '--------
|
---|
| 947 | ' その他
|
---|
| 948 | '--------
|
---|
| 949 |
|
---|
| 950 | Sub _splitpath(path As BytePtr, drive As BytePtr, dir As BytePtr, fname As BytePtr, ext As BytePtr)
|
---|
| 951 | Dim i As Long, i2 As Long, i3 As Long, length As Long
|
---|
[110] | 952 | Dim buffer[MAX_PATH] As Char
|
---|
[1] | 953 |
|
---|
| 954 | '":\"をチェック
|
---|
| 955 | If not(path[1]=&H3A and path[2]=&H5C) Then Exit Sub
|
---|
| 956 |
|
---|
| 957 | 'ドライブ名をコピー
|
---|
| 958 | If drive Then
|
---|
| 959 | drive[0]=path[0]
|
---|
| 960 | drive[1]=path[1]
|
---|
| 961 | drive[2]=0
|
---|
| 962 | End If
|
---|
| 963 |
|
---|
| 964 | 'ディレクトリ名をコピー
|
---|
| 965 | i=2
|
---|
| 966 | i2=0
|
---|
| 967 | Do
|
---|
[110] | 968 | #ifdef UNICODE
|
---|
| 969 | ' ToDo: サロゲートペアの認識
|
---|
| 970 | #else
|
---|
[1] | 971 | If IsDBCSLeadByte(path[i])=TRUE and path[i+1]<>0 Then
|
---|
| 972 | If dir Then
|
---|
| 973 | dir[i2]=path[i]
|
---|
| 974 | dir[i2+1]=path[i+1]
|
---|
| 975 | End If
|
---|
| 976 |
|
---|
[10] | 977 | i += 2
|
---|
| 978 | i2 += 2
|
---|
[1] | 979 | Continue
|
---|
| 980 | End If
|
---|
[110] | 981 | #endif
|
---|
[1] | 982 |
|
---|
| 983 | If path[i]=0 Then Exit Do
|
---|
| 984 |
|
---|
| 985 | If path[i]=&H5C Then '"\"記号であるかどうか
|
---|
| 986 | i3=i2+1
|
---|
| 987 | End If
|
---|
| 988 |
|
---|
| 989 | If dir Then dir[i2]=path[i]
|
---|
| 990 |
|
---|
[10] | 991 | i++
|
---|
| 992 | i2++
|
---|
[1] | 993 | Loop
|
---|
| 994 | If dir Then dir[i3]=0
|
---|
[22] | 995 | i3 += i-i2
|
---|
[1] | 996 |
|
---|
| 997 | 'ファイル名をコピー
|
---|
| 998 | i=i3
|
---|
| 999 | i2=0
|
---|
| 1000 | i3=-1
|
---|
| 1001 | Do
|
---|
| 1002 | If IsDBCSLeadByte(path[i])=TRUE and path[i+1]<>0 Then
|
---|
| 1003 | If fname Then
|
---|
| 1004 | fname[i2]=path[i]
|
---|
| 1005 | fname[i2+1]=path[i+1]
|
---|
| 1006 | End If
|
---|
| 1007 |
|
---|
[10] | 1008 | i += 2
|
---|
| 1009 | i2 += 2
|
---|
[1] | 1010 | Continue
|
---|
| 1011 | End If
|
---|
| 1012 |
|
---|
| 1013 | If path[i]=0 Then Exit Do
|
---|
| 1014 |
|
---|
| 1015 | If path[i]=&H2E Then '.'記号であるかどうか
|
---|
| 1016 | i3=i2
|
---|
| 1017 | End If
|
---|
| 1018 |
|
---|
| 1019 | If fname Then fname[i2]=path[i]
|
---|
| 1020 |
|
---|
[10] | 1021 | i++
|
---|
| 1022 | i2++
|
---|
[1] | 1023 | Loop
|
---|
| 1024 | If i3=-1 Then i3=i2
|
---|
| 1025 | If fname Then fname[i3]=0
|
---|
[10] | 1026 | i3 += i-i2
|
---|
[1] | 1027 |
|
---|
| 1028 | '拡張子名をコピー
|
---|
| 1029 | If ext Then
|
---|
| 1030 | If i3 Then
|
---|
| 1031 | lstrcpy(ext,path+i3)
|
---|
| 1032 | End If
|
---|
| 1033 | else ext[0]=0
|
---|
| 1034 | End If
|
---|
| 1035 | End Sub
|
---|
| 1036 |
|
---|
| 1037 | Function GetBasicColor(ColorCode As Long) As Long
|
---|
| 1038 | Select Case ColorCode
|
---|
| 1039 | Case 0
|
---|
| 1040 | GetBasicColor=RGB(0,0,0)
|
---|
| 1041 | Case 1
|
---|
| 1042 | GetBasicColor=RGB(0,0,255)
|
---|
| 1043 | Case 2
|
---|
| 1044 | GetBasicColor=RGB(255,0,0)
|
---|
| 1045 | Case 3
|
---|
| 1046 | GetBasicColor=RGB(255,0,255)
|
---|
| 1047 | Case 4
|
---|
| 1048 | GetBasicColor=RGB(0,255,0)
|
---|
| 1049 | Case 5
|
---|
| 1050 | GetBasicColor=RGB(0,255,255)
|
---|
| 1051 | Case 6
|
---|
| 1052 | GetBasicColor=RGB(255,255,0)
|
---|
| 1053 | Case 7
|
---|
| 1054 | GetBasicColor=RGB(255,255,255)
|
---|
| 1055 | End Select
|
---|
| 1056 | End Function
|
---|
| 1057 |
|
---|
[119] | 1058 | Function _System_IsSurrogatePair(wcHigh As WCHAR, wcLow As WCHAR) As Boolean
|
---|
| 1059 | If &hD800 <= wcHigh And wcHigh < &hDC00 Then
|
---|
| 1060 | If &hDC00 <= wcLow And wcLow < &hE000 Then
|
---|
| 1061 | Return True
|
---|
| 1062 | End If
|
---|
| 1063 | End If
|
---|
| 1064 | Return False
|
---|
| 1065 | End Function
|
---|
[1] | 1066 |
|
---|
| 1067 | #endif '_INC_FUNCTION
|
---|