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Topic: problem with matrix
Replies: 14   Last Post: Apr 8, 2013 4:47 PM

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dpb

Posts: 8,208
Registered: 6/7/07
Re: problem with matrix
Posted: Apr 8, 2013 10:56 AM
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On 4/8/2013 8:44 AM, Bruno Luong wrote:
> dpb <none@non.net> wrote in message <kjuger$mqe$1@speranza.aioe.org>...
>> On 4/8/2013 8:22 AM, zack00 wrote:
>
>>
>> Probably better than actually shifting columns would be to simply keep
>> a pointer to the next column to use modulo Ncols instead.
>>

>
> Why it is better?
> Whereas the array is rearranged later with modulo, or at the begining
> without, the data in the memory get moved by the same amount.


Why does he ever _need_ to rearrange memory at all? All he needs is the
pointer to and use the desired column(s).

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