yade-dev team mailing list archive

[Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx>]

Sorry if I write nonsense, I didn't follow all the details, but it 
sounds a bit strange to migrate to "eigen" if we have no use of eigen 
decomposition (isn't it precisely the one that is buggy in wm3?).
More importantly, eigen decomposition is used in the code. So, yes, we 
need it.

Bruno


Anton Gladky a écrit :
> It seems, I have wrapped all function. Except EigenDecomposition in 
> Matrices. I could not find it in Eigen documentation. Do we really 
> need it?
>
> Also there are 2 functions Exp and Log in quaternion. I did not wrap them.
>
> Can we try to unite YADE and Eigen?
> ______________________________
>
> Anton Gladkyy
>
>
> 2010/2/4 Anton Gladky <gladky.anton@xxxxxxxxx 
> <mailto:gladky.anton@xxxxxxxxx>>
>
>     Vaclav, could you not control next few strings?
>
>     http://bazaar.launchpad.net/%7Eyade-dev/yade/wm3-eigen/annotate/head%3A/eigen/yadeMath.hpp#L151
>
>             Quaternionr(const Eigen::Matrix<Real,3,1>c[3]) {
>                 Eigen::Matrix<Real,3,3> x;
>     x<<c[0][0],c[1][0],c[2][0],c[0][1],c[1][1],c[2][1],c[0][2],c[1][2],c[2][2];
>                 EigenBase q; q=x; *this=q;
>             }
>
>     How do you find it? Is it ok?
>
>     Also, please, control FromAxisAngle() and Rotate() fuctions, I
>     mean implementation.
>     Thank you very much!
>     ______________________________
>
>     Anton Gladkyy
>
>
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--
_______________
Bruno Chareyre
Associate Professor
Grenoble INP
Lab. 3SR
BP 53 - 38041, Grenoble cedex 9 - France
Tél : 33 4 56 52 86 21
Fax : 33 4 76 82 70 43
________________