yade-dev team mailing list archive

[Anton Gladky <gladky.anton@xxxxxxxxx>]

It is there, but it has another name. I will try to find it out.
______________________________

Anton Gladkyy


2010/2/5 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
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