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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13 | #include <Classes/System/Math.ab>
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14 |
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15 |
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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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62 | Dim r = 1 As Double
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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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66 | If abs_n and 1 Then r *= x
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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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141 | SetQWord(AddressOf(CopySign), (GetQWord(VarPtr(x)) And &h7fffffffffffffff) Or (isNegative << 63))
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142 | #else
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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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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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177 | CDWord=num As DWord
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178 | End Function
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179 |
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180 | Function CInt(number As Double) As Long
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181 | CInt=number As Long
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182 | End Function
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183 |
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184 | Function CSng(number As Double) As Single
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185 | CSng=number As Single
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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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277 | Atn2 = Math.Atan2(y, x)
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278 | End Function
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279 |
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280 | Function Sin(number As Double) As Double
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281 | Sin = Math.Sin(number)
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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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292 | Function IsNaN(ByVal x As Double) As Boolean
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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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298 | IsNaN = True
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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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305 | Function IsInf(x As Double) As Boolean
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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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313 | Function IsNaNOrInf(x As Double) As Boolean
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314 | IsNaNOrInf = IsFinite(x)
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315 | End Function
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316 |
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317 | Function IsFinite(x As Double) As Boolean
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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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324 | IsFinite = (memcmp(p As BytePtr, VarPtr(nan), SizeOf (Double)) = 0)
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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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346 | Function Asc(buf As String) As Char
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347 | Asc = buf[0]
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348 | End Function
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349 |
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350 | Function Chr$(code As Char) As String
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351 | Chr$ = ZeroString(1)
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352 | Chr$[0] = code
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353 | End Function
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354 |
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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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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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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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420 | End Function
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421 |
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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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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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437 | StartPos--
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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
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445 | While i<=len1-len2
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446 | i2=i:i3=0
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447 | Do
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448 | If i3=len2 Then
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449 | InStr=i+1
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450 | Exit Do
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451 | End If
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452 | If buf1[i2]<>buf2[i3] Then Exit Do
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453 |
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454 | i2++
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455 | i3++
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456 | Loop
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457 | If InStr Then Exit While
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458 | i++
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459 | Wend
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460 | End Function
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461 |
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462 | Function Left$(buf As String, length As Long) As String
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463 | Left$ = ZeroString(length)
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464 | memcpy(StrPtr(Left$), StrPtr(buf), SizeOf (Char) * length)
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465 | End Function
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466 |
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467 | Function Mid$(buf As String, StartPos As Long)(ReadLength As Long) As String
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468 | Dim length As Long
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469 |
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470 | StartPos--
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471 | If StartPos<0 Then
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472 | 'error
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473 | 'Debug
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474 | Exit Function
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475 | End If
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476 |
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477 | length=Len(buf)
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478 | If length<=StartPos Then Exit Function
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479 |
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480 | If ReadLength=0 Then
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481 | ReadLength=length-StartPos
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482 | End If
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---|
483 |
|
---|
484 | If ReadLength>length-StartPos Then
|
---|
485 | ReadLength=length-StartPos
|
---|
486 | End If
|
---|
487 |
|
---|
488 | Mid$=ZeroString(ReadLength)
|
---|
489 | memcpy(StrPtr(Mid$), VarPtr(buf[StartPos]), SizeOf (Char) * ReadLength)
|
---|
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$=ZeroString(length)
|
---|
517 | memcpy(StrPtr(Right$), VarPtr(buf[i-length]), SizeOf (Char) * length)
|
---|
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 |
|
---|
528 | Dim _System_ecvt_buffer[16] As Char
|
---|
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
|
---|
542 | _System_ecvt_buffer[count]=_System_ecvt_buffer[count]+1 As Char
|
---|
543 | End If
|
---|
544 | End Sub
|
---|
545 | Function _ecvt(value As Double, count As Long, ByRef dec As Long, ByRef sign As Long) As *Char
|
---|
546 | Dim temp As *Char
|
---|
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
|
---|
571 | value *= 10
|
---|
572 | dec--
|
---|
573 | Wend
|
---|
574 | While 9.99999999999999<=value '10<=value
|
---|
575 | value /= 10
|
---|
576 | dec++
|
---|
577 | Wend
|
---|
578 |
|
---|
579 | For i=0 To count-1
|
---|
580 | _System_ecvt_buffer[i]=Int(value) As Char
|
---|
581 |
|
---|
582 | value=(value-CDbl(Int(value)))*10
|
---|
583 | Next
|
---|
584 | _System_ecvt_buffer[i]=0
|
---|
585 |
|
---|
586 | i--
|
---|
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
|
---|
593 | _System_ecvt_buffer[i] += &H30
|
---|
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
|
---|
609 | Dim buffer[32] As Char, temp As *Char
|
---|
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("-")
|
---|
620 | i++
|
---|
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]
|
---|
626 | i++
|
---|
627 | buffer[i]=Asc(".")
|
---|
628 | i++
|
---|
629 | memcpy(buffer+i,temp+1,14)
|
---|
630 | i+=14
|
---|
631 | buffer[i]=Asc("e")
|
---|
632 | i++
|
---|
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]
|
---|
641 | i++
|
---|
642 | buffer[i]=Asc(".")
|
---|
643 | i++
|
---|
644 | memcpy(buffer+i,temp+1,14)
|
---|
645 | i+=14
|
---|
646 | buffer[i]=Asc("e")
|
---|
647 | i++
|
---|
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]
|
---|
659 | i++
|
---|
660 | i3++
|
---|
661 | i2--
|
---|
662 | Wend
|
---|
663 | buffer[i]=Asc(".")
|
---|
664 | i++
|
---|
665 | Else
|
---|
666 | buffer[i]=&H30
|
---|
667 | i++
|
---|
668 | buffer[i]=Asc(".")
|
---|
669 | i++
|
---|
670 |
|
---|
671 | i2=dec
|
---|
672 | While i2<0
|
---|
673 | buffer[i]=&H30
|
---|
674 | i++
|
---|
675 | i2++
|
---|
676 | Wend
|
---|
677 | End If
|
---|
678 |
|
---|
679 | '小数部
|
---|
680 | While i3<15
|
---|
681 | buffer[i]=temp[i3]
|
---|
682 | i++
|
---|
683 | i3++
|
---|
684 | Wend
|
---|
685 |
|
---|
686 | While buffer[i-1]=&H30
|
---|
687 | i--
|
---|
688 | Wend
|
---|
689 | If buffer[i-1]=Asc(".") Then i--
|
---|
690 |
|
---|
691 | buffer[i]=0
|
---|
692 | Return MakeStr(buffer)
|
---|
693 | End Function
|
---|
694 | Function Str$(value As LONG_PTR) As String
|
---|
695 | Dim temp[255] As Char
|
---|
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
|
---|
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
|
---|
716 | memcpy(VarPtr(String$[i*length]),StrPtr(buf),SizeOf (Char) * length)
|
---|
717 | Next
|
---|
718 | End Function
|
---|
719 |
|
---|
720 | Function Time$() 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 |
|
---|
748 | Function Val(buf As *Char) As Double
|
---|
749 | Dim i As Long, i2 As Long, i3 As Long, i4 As Long
|
---|
750 | Dim temporary As String
|
---|
751 | Dim TempPtr As *Char
|
---|
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
|
---|
762 | temporary=buf
|
---|
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 |
|
---|
773 | TempPtr[i]=i3 As Char
|
---|
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
|
---|
783 | i--
|
---|
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 |
|
---|
796 | TempPtr[i]=i3 As Char
|
---|
797 | i++
|
---|
798 | Wend
|
---|
799 | i--
|
---|
800 |
|
---|
801 | i64data=1
|
---|
802 | While i>=2
|
---|
803 | Val += (i64data*TempPtr[i]) As Double
|
---|
804 |
|
---|
805 | i64data *= &H10
|
---|
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
|
---|
837 | Val += dbl*(buf[i3]-&H30)
|
---|
838 |
|
---|
839 | dbl *= 10
|
---|
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 |
|
---|
890 | FileNum--
|
---|
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
|
---|
952 | Dim buffer[MAX_PATH] As Char
|
---|
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
|
---|
968 | #ifdef UNICODE
|
---|
969 | ' ToDo: サロゲートペアの認識
|
---|
970 | #else
|
---|
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 |
|
---|
977 | i += 2
|
---|
978 | i2 += 2
|
---|
979 | Continue
|
---|
980 | End If
|
---|
981 | #endif
|
---|
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 |
|
---|
991 | i++
|
---|
992 | i2++
|
---|
993 | Loop
|
---|
994 | If dir Then dir[i3]=0
|
---|
995 | i3 += i-i2
|
---|
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 |
|
---|
1008 | i += 2
|
---|
1009 | i2 += 2
|
---|
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 |
|
---|
1021 | i++
|
---|
1022 | i2++
|
---|
1023 | Loop
|
---|
1024 | If i3=-1 Then i3=i2
|
---|
1025 | If fname Then fname[i3]=0
|
---|
1026 | i3 += i-i2
|
---|
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 |
|
---|
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
|
---|
1066 |
|
---|
1067 | #endif '_INC_FUNCTION
|
---|