by VBPro (1 Submission)
Category: Math/Dates
Compatability: Visual Basic 4.0 (32-bit)
Difficulty: Unknown Difficulty
Originally Published: Thu 13th May 1999
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
Three numeric array sorts including Bubble sort, Selection sort, and Shell sort.
VBcoders
'create an array of data
Dim lMyArray(0 To 9) As Long
Dim vTemp1 As Variant
Dim vTemp2 As Variant
Dim vTemp3 As Variant
Dim iLoop As Integer
Randomize
For iLoop = LBound(lMyArray) To UBound(lMyArray)
lMyArray(iLoop) = Int(Rnd * 100) + 1
Next iLoop
vTemp1 = lMyArray
vTemp2 = lMyArray
vTemp3 = lMyArray
Call BubbleSortNumbers(vTemp1)
Call SelectionSortNumbers(vTemp2)
Call ShellSortNumbers(vTemp3)
End Sub
Sub BubbleSortNumbers(iArray As Variant)
Dim lLoop1 As Long
Dim lLoop2 As Long
Dim lTemp As Long
For lLoop1 = UBound(iArray) To LBound(iArray) Step -1
For lLoop2 = LBound(iArray) + 1 To lLoop1
If iArray(lLoop2 - 1) > iArray(lLoop2) Then
lTemp = iArray(lLoop2 - 1)
iArray(lLoop2 - 1) = iArray(lLoop2)
iArray(lLoop2) = lTemp
End If
Next lLoop2
Next lLoop1
End Sub
Sub SelectionSortNumbers(vArray As Variant)
Dim lLoop1 As Long
Dim lLoop2 As Long
Dim lMin As Long
Dim lTemp As Long
For lLoop1 = LBound(vArray) To UBound(vArray) - 1
lMin = lLoop1
For lLoop2 = lLoop1 + 1 To UBound(vArray)
If vArray(lLoop2) < vArray(lMin) Then lMin = lLoop2
Next lLoop2
lTemp = vArray(lMin)
vArray(lMin) = vArray(lLoop1)
vArray(lLoop1) = lTemp
Next lLoop1
End Sub
Sub ShellSortNumbers(vArray As Variant)
Dim lLoop1 As Long
Dim lHold As Long
Dim lHValue As Long
Dim lTemp As Long
lHValue = LBound(vArray)
Do
lHValue = 3 * lHValue + 1
Loop Until lHValue > UBound(vArray)
Do
lHValue = lHValue / 3
For lLoop1 = lHValue + LBound(vArray) To UBound(vArray)
lTemp = vArray(lLoop1)
lHold = lLoop1
Do While vArray(lHold - lHValue) > lTemp
vArray(lHold) = vArray(lHold - lHValue)
lHold = lHold - lHValue
If lHold < lHValue Then Exit Do
Loop
vArray(lHold) = lTemp
Next lLoop1
Loop Until lHValue = LBound(vArray)
End Sub
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