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Array question.

10 posts in this topic

#1 ·  Posted (edited)

Hello AutoIt people,

I'm trying to create a function that will tell whether the two arrays $x and $y with the same index limit $no are equal---equal in the sense that an element of $x has a corresponding equal element on $y. The function will return "True" if that's the case and "False" if otherwise.

#include-once
; . . . . .
Func _IsArrayEquivalent(ByRef $x, ByRef $y)

If Ubound($x) = Ubound($y) Then
    $no = Ubound($x)
    $count1 = 0
    For $countx = 0 to $no - 1 Step +1
        For $county = 0 to $no - 1 Step +1
            If $x[$countx] = $y[$county] Then
                $county = $no - 1
                $count1 += 1
            EndIf
        Next
    Next

    $count2 = 0
    For $county = 0 to $no - 1 Step +1
        For $countx = 0 to $no - 1 Step +1
            If $y[$county] = $x[$countx] Then
                $countx = $no - 1
                $count2 += 1
            EndIf
        Next
    Next

    If $count1 = $no And $count2 = $no Then
        Return "True"
    Else
        Return "False"
    EndIf

Else
    Return "False"
EndIf
EndFunc


; T R I A L
Dim $a[4] = ["Ba", "Ba", "Bi", "Bi"], $b[4] = ["Ba", "Bi", "Bi", "Bi"]

msgbox(0,"", _IsArrayEquivalent($a, $b))

The problem is that it is limited to those arrays whose every element occurs only once. So, the trial I did above will return "True" even though it should be false.

Help please? Thanks!

L. Go

Edited by Lilbert

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See Ubound() in the help file.

MsgBox(0, "Result", Ubound($x) = Ubound($y))

George

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Do you mean that all elements of $x have a corresponding equal element on $y ?


AutoIt 3.3.14.2 X86 - SciTE 3.6.0WIN 8.1 X64 - Other Example Scripts

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Do you mean that all elements of $x have a corresponding equal element on $y ?

Yessir.

GEOSoft,

Thanks for mentioning Ubound()!

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Something like this ?

Global $a[4] = ["Ba", "Ba", "Bi", "Bi"], $b[4] = ["Ba", "Bi", "Bi", "Bi"]
ConsoleWrite ( " : " & _IsArrayEquivalent ( $a, $b ) & @Crlf )

Global $a[4] = ["Bo", "Bi", "Ba", "Bu"], $b[4] = ["Bo", "Bi", "Ba", "Bu"]
ConsoleWrite ( " : " & _IsArrayEquivalent ( $a, $b ) & @Crlf )

Func _IsArrayEquivalent ( $_Array1, $_Array2 )
    Local $_U1 = UBound ( $_Array1 ) -1, $_U2 = UBound ( $_Array2 ) -1
    If $_U2 <> $_U1 Then Return 0
    For $_I = 0 To $_U1
        ConsoleWrite ( "-->-- $_Array1[" & $_I & "] : " & $_Array1[$_I] & " -- $_Array2[" & $_I & "] : " & $_Array2[$_I] & @Crlf )
        If $_Array1[$_I] <> $_Array2[$_I] Then Return 0
    Next
    Return 1
EndFunc

AutoIt 3.3.14.2 X86 - SciTE 3.6.0WIN 8.1 X64 - Other Example Scripts

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#6 ·  Posted (edited)

A small modification to wakillon's script:

#include <Array.au3>

Global $a[4] = ["Ba", "Ba", "Bi", "Bi"], $b[4] = ["Ba", "Bi", "Bi", "Bi"]
ConsoleWrite ( " : " & _IsArrayEquivalent ( $a, $b ) & @Crlf )

Global $a[4] = ["Bo", "Bi", "Ba", "Bu"], $b[4] = ["Ba", "Bi", "Bo", "Bu"]
ConsoleWrite ( " : " & _IsArrayEquivalent ( $a, $b ) & @Crlf )

Func _IsArrayEquivalent($_Array1, $_Array2)
    Local $_U1 = UBound($_Array1), $_U2 =UBound( $_Array2)
    If $_U2 <> $_U1 Then Return 0
    Local $aT1 = $_Array1, $aT2 = $_Array2
    _ArraySort($aT1)
    _ArraySort($aT2)
    For $_I = 0 To $_U1 - 1
        ConsoleWrite ( "-->-- $aT1[" & $_I & "] : " & $aT1[$_I] & " -- $aT2[" & $_I & "] : " & $aT2[$_I] & @Crlf )
        If $aT1[$_I] <> $aT2[$_I] Then Return 0
    Next
    Return 1
EndFunc

If order of the elements doesn't matter!

Au revoir,

UEZ

Edited by UEZ

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@Lilbert,

Depending on your actual needs, you may have to refine a bit more good UEZ code.

Do you consider equality case sensitive or not?

Do you consider elements types (i.e. does "123" equal 123)?


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#8 ·  Posted (edited)

A small modification to UEZ's script Posted Image

#include <Array.au3>

Global $a[4] = ["Ba", "Ba", "Bi", "Bi"], $b[4] = ["Ba", "Bi", "Bi", "Bi"]
ConsoleWrite ( "!->-- _IsArrayEquivalent : " & _IsArrayEquivalent ( $a, $b ) & @Crlf )

Global $a[4] = ["Bo", "Bi", "Ba", "Bu"], $b[4] = ["Bo", "Bi", "Ba", "BU"]
ConsoleWrite ( "!->-- _IsArrayEquivalent : " & _IsArrayEquivalent ( $a, $b ) & @Crlf )

Global $a[4] = ["Bo", "Ba", "Bu", "Bi"], $b[4] = ["Bo", "Bi", "Ba", "Bu"]
ConsoleWrite ( "!->-- _IsArrayEquivalent : " & _IsArrayEquivalent ( $a, $b ) & @Crlf )

Global $a[4] = ["Bo", "Ba", "Bu", "Bi"], $b[4] = ["Bo", "Bi", "Ba", "Bu"]
ConsoleWrite ( "!->-- _IsArrayEquivalent : " & _IsArrayEquivalent ( $a, $b, 0 ) & @Crlf )

Func _IsArrayEquivalent ( $_Array1, $_Array2, $_Order=1, $_CaseSensitive=1 )
    Local $_U1 = UBound ( $_Array1 ) -1, $_U2 = UBound ( $_Array2 ) -1
    If $_U2 <> $_U1 Then Return 0
    Local $aT1 = $_Array1, $aT2 = $_Array2
    If $_Order Then
        _ArraySort ( $aT1 )
        _ArraySort ( $aT2 )
    EndIf
    For $_I = 0 To $_U1
        ConsoleWrite ( "-->-- $_Array1[" & $_I & "] : " & $aT1[$_I] & " -- $_Array2[" & $_I & "] : " & $aT2[$_I] & @Crlf )
        If $aT1[$_I] <> $aT2[$_I] Then Return 0
        If $_CaseSensitive And Not ( $aT1[$_I] == $aT2[$_I] ) Then Return 0
    Next
    Return 1
EndFunc ;==> _IsArrayEquivalent ( )

Edit : For strings only.

Edited by wakillon

AutoIt 3.3.14.2 X86 - SciTE 3.6.0WIN 8.1 X64 - Other Example Scripts

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Thanks guys! I'll try the script and try to digest how it works. Takes some time for me to do so.

(And LOL. I should've not posted my script. Way too embarrassing for you guys to see it!)

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Thanks guys! I'll try the script and try to digest how it works. Takes some time for me to do so.

(And LOL. I should've not posted my script. Way too embarrassing for you guys to see it!)

You should have posted it, and definitely it is nothing to be embarrassed about.


Serial port communications UDF Includes functions for binary transmission and reception.printing UDF Useful for graphs, forms, labels, reports etc.Add User Call Tips to SciTE for functions in UDFs not included with AutoIt and for your own scripts.Functions with parameters in OnEvent mode and for Hot Keys One function replaces GuiSetOnEvent, GuiCtrlSetOnEvent and HotKeySet.UDF IsConnected2 for notification of status of connected state of many urls or IPs, without slowing the script.

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