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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] Problem extending MatrixBase
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Sun, 17 Jan 2010 12:42:22 -0500
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Le 17 janvier 2010 05:46, Raphaël Poncet <raphael.poncet@xxxxxxxxx> a écrit :
> Hello list,
>
> I'm running into problems while trying to extending MatrixBase as explained
> in the wiki:
> http://eigen.tuxfamily.org/dox/CustomizingEigen.html#ExtendingMatrixBase
>
> I copied/pasted MatrixBaseAddons.h in my working directory. This code
> doesn't compile
> (with g++-4.4 or g++-4.3, using Eigen 2.0.5, the version packaged in my
> Ubuntu distro) :
[snip]
>
> However, If i comment out the last 2 declarations in MatrixBaseAddons.h (the
> ones with operator+),
> it does compile. What am I doing wrong ?
Nothing it seems, I am really puzzled. I fixed an error in our
example, there was a missing semicolon, but that wasn't it. I don't
understand what ConstantReturnType has to do with it.
>
> P.S. Btw, I want to extend MatrixBase because I'm only using Array
> capabilities in Eigen
> in my code atm, and want to get rid of all the cwise()
Then why don't you give the development branch a try. It has a Array
class where all operations are implicitly cwise.
Benoit