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1D Array sorting algorithms


AlmarM
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Hiya,

I found these 1D Array sorting algorithms on Wiki and decided to translate them into AutoIt.

I've included a speedtest.

#include <Array.au3>
#include <String.au3>

Global $iTimer
Global $iArraySize = InputBox("", "Array size?")
Global $iNumTests = InputBox("", "Number of tests?")
Global $myArray[$iArraySize], $avgArray[$iNumTests], $avgIndex = 0

_initArray()

$GUI = GUICreate("Test results", 350, 360)
$Edit = GUICtrlCreateEdit("", 0, 0, 350, 360)
GUICtrlSetBkColor(-1, 0xFFFA9C)
GUISetState()

Sleep(100)

_Debug("Bi-Directional Bubble Sort")
For $i = 1 To $iNumTests
    $iTimer = TimerInit()
    _Array1D_BiDirectionalBubbleSort($myArray)
    $avgArray[$avgIndex] = TimerDiff($iTimer)
    $avgIndex += 1
    _initArray()
Next
_Debug("Average of " & $iNumTests & " tests: " & _Array1D_Average($avgArray) & " ms")
$avgIndex = 0

_Debug(@CRLF & "Bubble Sort")
For $i = 1 To $iNumTests
    $iTimer = TimerInit()
    _Array1D_BubbleSort($myArray)
    $avgArray[$avgIndex] = TimerDiff($iTimer)
    $avgIndex += 1
    _initArray()
Next
_Debug("Average of " & $iNumTests & " tests: " & _Array1D_Average($avgArray) & " ms")
$avgIndex = 0

 _Debug(@CRLF & "Comb Sort 11")
 For $i = 1 To $iNumTests
    $iTimer = TimerInit()
    _Array1D_CombSort11($myArray)
    $avgArray[$avgIndex] = TimerDiff($iTimer)
    $avgIndex += 1
    _initArray()
Next
_Debug("Average of " & $iNumTests & " tests: " & _Array1D_Average($avgArray) & " ms")
$avgIndex = 0

_Debug(@CRLF & "Gnome Sort")
For $i = 1 To $iNumTests
    $iTimer = TimerInit()
    _Array1D_GnomeSort($myArray)
    $avgArray[$avgIndex] = TimerDiff($iTimer)
    $avgIndex += 1
    _initArray()
Next
_Debug("Average of " & $iNumTests & " tests: " & _Array1D_Average($avgArray) & " ms")
$avgIndex = 0

_Debug(@CRLF & "Heap Sort")
For $i = 1 To $iNumTests
    $iTimer = TimerInit()
    _Array1D_HeapSort($myArray)
    $avgArray[$avgIndex] = TimerDiff($iTimer)
    $avgIndex += 1
    _initArray()
Next
_Debug("Average of " & $iNumTests & " tests: " & _Array1D_Average($avgArray) & " ms")
$avgIndex = 0

_Debug(@CRLF & "Insertion Sort")
For $i = 1 To $iNumTests
    $iTimer = TimerInit()
    _Array1D_InsertionSort($myArray)
    $avgArray[$avgIndex] = TimerDiff($iTimer)
    $avgIndex += 1
    _initArray()
Next
_Debug("Average of " & $iNumTests & " tests: " & _Array1D_Average($avgArray) & " ms")
$avgIndex = 0

_Debug(@CRLF & "Selection Sort")
For $i = 1 To $iNumTests
    $iTimer = TimerInit()
    _Array1D_SelectionSort($myArray)
    $avgArray[$avgIndex] = TimerDiff($iTimer)
    $avgIndex += 1
    _initArray()
Next
_Debug("Average of " & $iNumTests & " tests: " & _Array1D_Average($avgArray) & " ms")
$avgIndex = 0

_Debug(@CRLF & "Selection Sort Ex (Modified by AlmarM)")
For $i = 1 To $iNumTests
    $iTimer = TimerInit()
    _Array1D_SelectionSortEx($myArray)
    $avgArray[$avgIndex] = TimerDiff($iTimer)
    $avgIndex += 1
    _initArray()
Next
_Debug("Average of " & $iNumTests & " tests: " & _Array1D_Average($avgArray) & " ms")
$avgIndex = 0

_Debug(@CRLF & "Shaker Sort")
For $i = 1 To $iNumTests
    $iTimer = TimerInit()
    _Array1D_ShakerSort($myArray)
    $avgArray[$avgIndex] = TimerDiff($iTimer)
    $avgIndex += 1
    _initArray()
Next
_Debug("Average of " & $iNumTests & " tests: " & _Array1D_Average($avgArray) & " ms")
$avgIndex = 0

_Debug(@CRLF & "AutoIt _ArraySort (Quick Sort)")
For $i = 1 To $iNumTests
    $iTimer = TimerInit()
    _ArraySort($myArray)
    $avgArray[$avgIndex] = TimerDiff($iTimer)
    $avgIndex += 1
    _initArray()
Next
_Debug("Average of " & $iNumTests & " tests: " & _Array1D_Average($avgArray) & " ms")
$avgIndex = 0

While 1
    Switch GUIGetMsg()
        Case -3
            Exit
    EndSwitch
WEnd

Func _Debug($sText)
    GUICtrlSetData($Edit, $sText & @CRLF, "|")
EndFunc

Func _initArray()
    For $i = 0 To UBound($myArray) - 1
        $myArray[$i] = Chr(Random(97, 122, 1))
    Next
EndFunc

;Bi-Directional Bubble Sort (by James Gosling)
Func _Array1D_BiDirectionalBubbleSort(ByRef $aArray, $iDescending = 0)
    Local $iLength = UBound($aArray) - 1
    Local $iSt = -1

    While ($iSt < $iLength)
        $bFlipped = False
        $iSt += 1
        $iLength -= 1

        For $j = $iSt To $iLength
            If (StringCompare($aArray[$j], $aArray[$j + 1]) > 0) Then
                _ArraySwap($aArray[$j], $aArray[$j + 1])
                $bFlipped = True
            EndIf
        Next

        For $j = $iLength To $iSt Step -1
            If (StringCompare($aArray[$j], $aArray[$j + 1]) > 0) Then
                _ArraySwap($aArray[$j], $aArray[$j + 1])
                $bFlipped = True
            EndIf
        Next

        If (Not $bFlipped) Then ExitLoop
    WEnd

    If ($iDescending) Then _ArrayReverse($aArray)
EndFunc

;Bubble Sort (by James Gosling and Jason Harrison)
Func _Array1D_BubbleSort(ByRef $aArray, $iDescending = 0)
    Local $iLength = UBound($aArray) - 1

    For $i = $iLength To 0 Step -1
        $bFlipped = False

        For $j = 0 To $i - 1
            If (StringCompare($aArray[$j], $aArray[$j + 1]) > 0) Then
                _ArraySwap($aArray[$j], $aArray[$j + 1])
                $bFlipped = True
            EndIf
        Next

        If (Not $bFlipped) Then ExitLoop
    Next

    If ($iDescending) Then _ArrayReverse($aArray)
EndFunc

;Comb Sort 11 (by Jason Harrison)
Func _Array1D_CombSort11(ByRef $aArray, $iDescending = 0)
    Local $iShrink = 1.247330950103979
    Local $bFlipped = True
    Local $iGap = UBound($aArray)
    Local $iTop, $j

    While ($bFlipped Or $iGap > 1)
        $iGap = Int($iGap / $iShrink)

        Switch ($iGap)
            Case 0
                $iGap = 1
            Case 9 To 10
                $iGap = 1
        EndSwitch

        $bFlipped = False
        $iTop = UBound($aArray) - $iGap

        For $i = 0 To $iTop - 1
            $j = $i + $iGap

            If (StringCompare($aArray[$i], $aArray[$j]) > 0) Then
                _ArraySwap($aArray[$i], $aArray[$j])
                $bFlipped = True
            EndIf
        Next
    WEnd

    If ($iDescending) Then _ArrayReverse($aArray)
EndFunc

;Gnome Sort (Hamid Sarbazi-Azad)
Func _Array1D_GnomeSort(ByRef $aArray, $iDescending = 0)
    Local $iPos = 1

    While ($iPos < UBound($aArray))
        If ($aArray[$iPos] >= $aArray[$iPos - 1]) Then
            $iPos += 1
        Else
            _ArraySwap($aArray[$iPos], $aArray[$iPos - 1])

            If ($iPos > 1) Then
                $iPos -= 1
            EndIf
        EndIf
    WEnd

    If ($iDescending) Then _ArrayReverse($aArray)
EndFunc

;Heap Sort (by Jason Harrison)
Func _Array1D_HeapSort(ByRef $aArray, $iDescending = 0)
    Local $iLength = UBound($aArray)

    For $i = ($iLength / 2) To 1 Step -1
        __HeapSort_DownHeap($aArray, $i, $iLength)
    Next

    While ($iLength > 1)
        _ArraySwap($aArray[0], $aArray[$iLength - 1])
        $iLength -= 1

        __HeapSort_DownHeap($aArray, 1, $iLength)
    WEnd

    If ($iDescending) Then _ArrayReverse($aArray)
EndFunc

;Insertion Sort (by Jason Harrison)
Func _Array1D_InsertionSort(ByRef $aArray, $iDescending = 0)
    For $i = 1 To UBound($aArray) - 1
        $j = $i
        $aB = $aArray[$i]

        While (($j > 0) And $aArray[$j - 1] > $aB)
            $aArray[$j] = $aArray[$j - 1]
            $j -= 1
        WEnd

        $aArray[$j] = $aB
    Next

    If ($iDescending) Then _ArrayReverse($aArray)
EndFunc

;Selection Sort (by Jason Harrison)
Func _Array1D_SelectionSort(ByRef $aArray, $iDescending = 0)
    For $i = 0 To UBound($aArray) - 1
        $iMin = $i

        For $j = ($i + 1) To UBound($aArray) - 1
            If (StringCompare($aArray[$j], $aArray[$iMin]) < 0) Then
                $iMin = $j
            EndIf
        Next

        _ArraySwap($aArray[$iMin], $aArray[$i])
    Next

    If ($iDescending) Then _ArrayReverse($aArray)
EndFunc

Func _Array1D_SelectionSortEx(ByRef $aArray, $iDescending = 0)
    Local $iLength = UBound($aArray) - 1
    Local $i = 0

    While ($i <= $iLength)
        $iMin = $i

        For $j = ($i + 1) To $iLength
            If (StringCompare($aArray[$j], $aArray[$iMin]) < 0) Then $iMin = $j
        Next

        _ArraySwap($aArray[$iMin], $aArray[$i])
        $i += 1
    WEnd

    If ($iDescending) Then _ArrayReverse($aArray)
EndFunc

;Shaker Sort (by Jason Harrison)
Func _Array1D_ShakerSort(ByRef $aArray, $iDescending = 0)
    Local $i = 0
    Local $iLength = UBound($aArray) -1

    While ($i < $iLength)
        $iMin = $i
        $iMax = $i

        For $j = ($i + 1) To $iLength
            If (StringCompare($aArray[$j], $aArray[$iMin]) < 0) Then
                $iMin = $j
            EndIf

            If (StringCompare($aArray[$j], $aArray[$iMax]) > 0) Then
                $iMax = $j
            EndIf
        Next

        _ArraySwap($aArray[$iMin], $aArray[$i])

        If ($iMax == $i) Then
            _ArraySwap($aArray[$iMin], $aArray[$iLength])
        Else
            _ArraySwap($aArray[$iMax], $aArray[$iLength])
        EndIf

        $i += 1
        $iLength -= 1
    WEnd

    If ($iDescending) Then _ArrayReverse($aArray)
EndFunc

; +======================================= Extra
Func __HeapSort_DownHeap(ByRef $aArray, $i, $iLength)
    Local $iTmp = $aArray[$i - 1]

    While ($i <= $iLength / 2)
        $j = $i * 2

        If (($j < $iLength) And ($aArray[$j - 1] < $aArray[$j])) Then
            $j += 1
        EndIf

        If (StringCompare($iTmp, $aArray[$j - 1]) >= 0) Then
            ExitLoop
        Else
            $aArray[$i - 1] = $aArray[$j - 1]
            $i = $j
        EndIf
    WEnd

    $aArray[$i - 1] = $iTmp
EndFunc

Func _Array1D_Average(ByRef $aArray)
    Local $aTotal = _Array1D_Total($aArray)

    Return ($aTotal[0] / $aTotal[1])
EndFunc

Func _Array1D_Total(ByRef $aArray)
    Local $iTmp = 0, $iTmp2
    Local $iLength = UBound($aArray)
    Local $aReturn[2]

    For $i = 0 To $iLength - 1
        $iTmp2 = $iTmp
        $iTmp = $aArray[$i] + $iTmp2
    Next

    $aReturn[0] = $iTmp
    $aReturn[1] = $iLength

    Return $aReturn
EndFunc
Edited by AlmarM

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There are some more though, I didn't feel like translating all... yet.

FIXED: Comb Sort 11, fixed the 56 array length limit

Edited by AlmarM

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I have an error,

D:\Program Files\Ride Runner\Skins\Carwings_Dynamic_pm_new\Scripts\GoogleMapsTrack\Google Maps UDF\1d array.au3(51,88) : ERROR: Debug(): undefined function.
    Debug("Average of " & $iNumTests & " tests: " & _Array1D_Average($avgArray) & " ms")
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
D:\Program Files\Ride Runner\Skins\Carwings_Dynamic_pm_new\Scripts\GoogleMapsTrack\Google Maps UDF\1d array.au3 - 1 error(s), 0 warning(s)
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CombSort11 has a bug.

Edit: my Array size was 1000 and the amount of tests was 5.

;Comb Sort 11 (by Jason Harrison)
Func _Array1D_CombSort11(ByRef $aArray, $iDescending = 0)
    Local $iShrink = 1.247330950103979
    Local $bFlipped = True
    Local $iGap = UBound($aArray)
    Local $iTop, $j

    While ($bFlipped Or $iGap > 1)
        $iGap = Int($iGap / $iShrink)

        Switch ($iGap)
            Case 0
                $iGap = 1
            Case 9 To 10
                $iGap = 1
        EndSwitch

        $bFlipped = False
        $iTop = UBound($aArray) - $iGap

        For $i = 0 To $iTop - 1 ; there was an off by one bug here, fixed by subtracting 1 from $iTop
            $j = $i + $iGap

            If (StringCompare($aArray[$i], $aArray[$j]) > 0) Then
                _ArraySwap($aArray[$i], $aArray[$j])
                $bFlipped = True
            EndIf
        Next
    WEnd

    If ($iDescending) Then _ArrayReverse($aArray)
EndFunc ;==>_Array1D_CombSort11
Edited by jaberwocky6669
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I have an error,

D:\Program Files\Ride Runner\Skins\Carwings_Dynamic_pm_new\Scripts\GoogleMapsTrack\Google Maps UDF\1d array.au3(51,88) : ERROR: Debug(): undefined function.
    Debug("Average of " & $iNumTests & " tests: " & _Array1D_Average($avgArray) & " ms")
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
D:\Program Files\Ride Runner\Skins\Carwings_Dynamic_pm_new\Scripts\GoogleMapsTrack\Google Maps UDF\1d array.au3 - 1 error(s), 0 warning(s)

Fixed, indeed. ;)

CombSort11 has a bug.

Edit: my Array size was 1000 and the amount of tests was 5.

;Comb Sort 11 (by Jason Harrison)
Func _Array1D_CombSort11(ByRef $aArray, $iDescending = 0)
    Local $iShrink = 1.247330950103979
    Local $bFlipped = True
    Local $iGap = UBound($aArray)
    Local $iTop, $j

    While ($bFlipped Or $iGap > 1)
        $iGap = Int($iGap / $iShrink)

        Switch ($iGap)
            Case 0
                $iGap = 1
            Case 9 To 10
                $iGap = 1
        EndSwitch

        $bFlipped = False
        $iTop = UBound($aArray) - $iGap

        For $i = 0 To $iTop - 1 ; there was an off by one bug here, fixed by subtracting 1 from $iTop
            $j = $i + $iGap

            If (StringCompare($aArray[$i], $aArray[$j]) > 0) Then
                _ArraySwap($aArray[$i], $aArray[$j])
                $bFlipped = True
            EndIf
        Next
    WEnd

    If ($iDescending) Then _ArrayReverse($aArray)
EndFunc ;==>_Array1D_CombSort11

Thanks for the fix! ;)

Array Size: 1000

Bi-Directional Bubble Sort
Average of 5 tests: 2618.166464 ms

Bubble Sort
Average of 5 tests: 2734.759256 ms

Comb Sort 11
Average of 5 tests: 108.901704 ms

Gnome Sort
Average of 5 tests: 3513.856176 ms

Heap Sort
Average of 5 tests: 90.228976 ms

Insertion Sort
Average of 5 tests: 786.640128 ms

Selection Sort
Average of 5 tests: 1170.004328 ms

Shaker Sort
Average of 5 tests: 1181.376272 ms

AutoIt _ArraySort (Quick Sort)
Average of 5 tests: 29.564184 ms

Great results indeed. Watching the algorithms do their best while Comb Sort 11, Heap Sort and the AutoIt Quick Sort do it like a piece of cake is fun! :shocked:

EDIT: Hey hey hey! I just noticed I missed

_initArray()
    $iTimer = TimerInit()

Inside the _ArraySort test. That's why it was so rediculous fast. :)

Edited by AlmarM

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@AlmarM

All the tests have the same line in them. Not to mention they all have the timerinit in them twice for some reason.

If I posted any code, assume that code was written using the latest release version unless stated otherwise. Also, if it doesn't work on XP I can't help with that because I don't have access to XP, and I'm not going to.
Give a programmer the correct code and he can do his work for a day. Teach a programmer to debug and he can do his work for a lifetime - by Chirag Gude
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@AlmarM

All the tests have the same line in them. Not to mention they all have the timerinit in them twice for some reason.

Whoops. XD

Updated first post, also added "_Array1D_SelectionSortEx".

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