Message-ID: <390BAB86.7C1EF855@gtcom.net>
From: Krogg <krogg DOT no DOT to DOT spam AT gtcom DOT net>
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Subject: Re: Array swapping.
References: <390B75BB DOT 621F846A AT gtcom DOT net> <be7ngssbe6fnhur5if8j27a3ct35gpj2e9 AT 4ax DOT com>
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Date: Sat, 29 Apr 2000 23:41:58 -0400
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Chris Mears wrote:
> 
> On Sat, 29 Apr 2000 19:52:27 -0400, that hoopy frood Krogg
> <krogg DOT no DOT to DOT spam AT gtcom DOT net> wrote:
> 
> >
> >I got 2 arrays of same type/size.
> >
> >float abc[50][50];
> >float cba[50][50];
> >
> >how can i "swap" them?
> >
> >so that abc[x][y] will now point to cba[x][y] and
> >vice versa...
> >
> >I dont care if it is portable,just so long as
> >it works and can be done over and over.....
> 
> Uncompiled, untested.
> 
> void swap(float a[50][50], float b[50][50])
> {
>     int i;
>     int j;
> 
>     for (i = 0 ; i < 50 ; i++)
>     {
>         for (j = 0 ; j < 50 ; j++)
>         {
>             float temp = a[i][j];
>             a[i][j] = b[i][j];
>             b[i][j] = a[i][j];
>         }
>     }
> }
> 

Thats not what i am looking for...
I want to swap witch array the array name points to in place.



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