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  1. #11
    Fuhrer, Vierte Reich DocAElstein's Avatar
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    First step in turning Bubble Sort routine into function. Routine takes in an Array (ByRef) to sort

    Code:
    '
    Sub TestieSimpleArraySort4()
    Rem 0 test data, worksheets info
    Dim WsS As Worksheet: Set WsS = ThisWorkbook.Worksheets("Sorting")
    Dim RngToSort As Range: Set RngToSort = WsS.Range("A2:B9")
    Dim arrTS() As Variant: Let arrTS() = RngToSort.Value ' We would have to use  .Value  for a range capture of this sort because  .Value  returns a field of Variant types.  But also at this stage we want to preserve string and number types
     Call SimpleArraySort4(arrTS(), 0)
    End Sub
    
    
    Sub SimpleArraySort4(ByRef arrTS() As Variant, Optional ByVal GlLl As Long)
    Rem 0 test data, worksheets info
    Dim WsS As Worksheet: Set WsS = ThisWorkbook.Worksheets("Sorting")
    Dim RngToSort As Range: Set RngToSort = WsS.Range("A2:B9")
    ' alternative:
    ' Set RngToSort = Selection '                          ' Selection.JPG : https://imgur.com/HnCdBt8
    ' Dim arrTS() As Variant: Let arrTS() = RngToSort.Value ' We would have to use  .Value  for a range capture of this sort because  .Value  returns a field of Variant types.  But also at this stage we want to preserve string and number types
    Dim arrOut() As Variant: Let arrOut() = arrTS() ' could simply use the original array and sort that
    ' column to be used for determining order of rows sorted array: the values in this column will be looked at
    Dim Clm As Long: Let Clm = 1
    Rem 1 Simple Bubble Sort
    Dim rOuter As Long ' ========"Left Hand"=====================Outer Loop=====================================
        For rOuter = 1 To UBound(arrTS(), 1) - 1 ' For row 1 to the (last row -1)  last row, given by the first dimension upper limit of the array
        Dim rInner As Long ' -------Inner Loop-------------"Right Hand"--------------------------
            For rInner = rOuter + 1 To UBound(arrOut(), 1)
                If GlLl = 0 Then ' We want Ascending list
                    If IsNumeric(arrOut(rOuter, Clm)) And IsNumeric(arrOut(rInner, Clm)) Then ' Numeric case
                        If CDbl(arrOut(rOuter, Clm)) > CDbl(arrOut(rInner, Clm)) Then
                        Dim temp As Variant ' I want to Swap those 2 above - I cant easilly in any coding change two values simulataneosly. So one of them Element values will put in this temporary place. This Element Values will then be given the other. Finally the other Element will be given this temporary value
                        Dim Clms As Long '-------| with the condition met  a loop is done for all columns in the array in which those two values used in the comparison are replaced at each column
                            For Clms = 1 To UBound(arrOut(), 2)
                             Let temp = arrOut(rOuter, Clms): Let arrOut(rOuter, Clms) = arrOut(rInner, Clms): Let arrOut(rInner, Clms) = temp
                            Next Clms '----------| for each column in the array at the two rows rOuter and rInner
                        Else
                        End If
                     Else ' Non numeric case
                        If UCase(CStr(arrOut(rOuter, Clm))) > UCase(CStr(arrOut(rInner, Clm))) Then
                            For Clms = 1 To UBound(arrOut(), 2)
                             Let temp = arrOut(rOuter, Clms): Let arrOut(rOuter, Clms) = arrOut(rInner, Clms): Let arrOut(rInner, Clms) = temp
                            Next Clms '----------| for each column in the array at the two rows rOuter and rInner
                        Else
                        End If
                    End If ' End of numeric or text comparison
                Else ' GlLl is not 0 , so presumably we want Descending list
                    If IsNumeric(arrOut(rOuter, Clm)) And IsNumeric(arrOut(rInner, Clm)) Then
                        If CDbl(arrOut(rOuter, Clm)) < CDbl(arrOut(rInner, Clm)) Then
                            For Clms = 1 To UBound(arrOut(), 2)
                             Let temp = arrOut(rOuter, Clms): Let arrOut(rOuter, Clms) = arrOut(rInner, Clms): Let arrOut(rInner, Clms) = temp
                            Next Clms '----------| for each column in the array at the two rows rOuter and rInner
                        Else
                        End If
                    Else ' non numeric case
                        If UCase(CStr(arrOut(rOuter, Clm))) < UCase(CStr(arrOut(rInner, Clm))) Then
                            For Clms = 1 To UBound(arrOut(), 2)
                             Let temp = arrOut(rOuter, Clms): Let arrOut(rOuter, Clms) = arrOut(rInner, Clms): Let arrOut(rInner, Clms) = temp
                            Next Clms '----------| for each column in the array at the two rows rOuter and rInner
                        Else
                        End If
                    End If ' End of numeric or text comparison
                End If ' End of Ascending or Descending example
            Next rInner ' ---------------------------------------------------------------------
        Next rOuter ' ===========================================================================================
    Rem 2 Output for easy of demo
     RngToSort.Offset(0, RngToSort.Columns.Count).Clear
     Let RngToSort.Offset(0, RngToSort.Columns.Count).Value = arrOut()
     Let RngToSort.Offset(0, RngToSort.Columns.Count).Interior.Color = vbYellow
    End Sub
    Last edited by DocAElstein; 02-22-2019 at 06:59 PM.

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