| Re: [eigen] aliasing system |
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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] aliasing system
- From: "Schleimer, Ben" <bensch128@xxxxxxxxx>
- Date: Thu, 6 Sep 2007 15:28:14 -0700 (PDT)
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> The point of my example with rows was that if we want to determine if
> rows/columns/blocks/minors overlap in memory, we're trying to do something
> that can't be done at compile-time (because the arguments that you pass to
> these functions is not necessary a compile-time constant). Hence that will
> have a cost, and if you want to handle all cases it'll be a big cost (you'll
> have to check for each entry in the matrix if overlapping occurs at that
> entry).
Umm, good point. I guess aliasing has to be documented then.
Cheers
ben