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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] Specialized QR
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Sun, 17 May 2009 03:58:45 +0200
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2009/5/17 Benoit Jacob <jacob.benoit.1@xxxxxxxxx>:
> This should use Eigen expressions (to benefit from vectorization and
> unrolling), but I agree that it's nontrivial because of the
> interdependence (which forced you to introduce tmp). You can leave it
> like that and let us deal with this, I agree that it's a rather tough
> one to "Eigenify" (I'd say that it is best handled by a custom
> unary-expression functor applied to matrix R_ -- and that matrix
> should then be made row-major).
Ah no, that won't work... no, we need here something like we did in
SwapWrapper... need to think more about this.
Benoit