[Gambas-user] FW: Matrix resize

[terco IDE]

I prefer the Jussi aproach, because a lot of code is already wrtitten with [row,col]
format and is easier to read.

I hope that works for Public arrays!

Thanks

Martin

> Subject: Re: [Gambas-user] Matrix resize
> To: mailing list for gambas users <gambas-user at lists.sourceforge.net>
> Message-ID:
> 	<CAFkCsL6RRAU9d2B7fMzsfjZyuji0HBa7Uk=E3wmOH=vVmxmErQ at ...627...>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> You can use arrays of array
> 
> 
> private MyArray as new Object[]
> 
> Public sub _New()
> ResizeMyArray(MyArray,15,12)
> end
> 
> 
> 
> Public sub ResizeMyArray(hMyArray as Object[], X as integer, y as integer)
> 
> hMyArray.Resize(X)
> 
> For i = 0 to hMyArray.max
>   if hMyArray [i] then
>   hMyArray[i].Resize(y)
>   else
>   hMyArray[i] = new Integer[Y]
>   endif
> next
> 
> 
> 
> For the call :
> 
> value = MyArray[1][2]
> 
> 
> 2013/12/5 Jussi Lahtinen <jussi.lahtinen at ...626...>:
> > Unfortunately this is missing feature from Gambas. Maybe Benoit has reason
> > for it, I don't know.
> >
> > However here is code for resizing 2D arrays:
> >
> > Private Function Resize2DArray(hArray As Object, SizeX As Integer, SizeY As
> > Integer) As Object
> >
> >   Dim hNewArray As Object = Object.New(Object.Type(hArray), [SizeX, SizeY])
> >   Dim ii As Integer, jj As Integer
> >
> >   For ii = 0 To Min(hNewArray.Bounds[0], hArray.Bounds[0]) - 1
> >   For jj = 0 To Min(hNewArray.Bounds[1], hArray.Bounds[1]) - 1
> >     hNewArray[ii, jj] = hArray[ii, jj]
> >   Next
> >   Next
> >
> >   Return hNewArray
> >
> > End
> >
> >
> > And here is how to use it:
> >
> > Dim iMyArray As New Integer[5, 5]
> >
> > iMyArray = Resize2DArray(iMyArray, 10, 10)
> >
> >
> > As it's not native method, it's not that fast, but fortunately Gambas is
> > *very* often fast enough!
> >
> >
> > Jussi
> >
> >
> >
> > On Thu, Dec 5, 2013 at 2:20 PM, terco IDE <tercoide at ...67...> wrote:
> >
> >> First of everything: BIG thanks to Benoit for creating Gambas!
> >>
> >> Is there any workaround for resizing matrices?
> >>
> >> rigth now, I'm using this code
> >>
> >> notMatrix.Resize(100*200)  ' 100 rows, 200 cols
> >>
> >> ' get element [row,col]
> >>
> >> x = notMatrix[col + row*200]
> >>
> >> , and on a big program, code get's really dirty
> >>
> >>
> >> Thanks!
> >>
> >>
> >> Saludos
> >> Martin
> >>
> >>