[ODE] Question about ODE

Cyril Labordrie cyril.labordrie at m4am.net
Thu Jan 8 22:58:55 MST 2004


Sorry I forgot to write again the other questions:


I explain my question, I think this part of the code can be optimized 
With using SSE or any VectorUnitProcessor.

Then I would be very happy to understand it all.

Second question:
L^T lower triangular matrix with ones on the diagonal.
Are all the Zero and the 1 given to the matrix, 

This question is raised because I want to use this function in a Very
Low memory area.


After you give us some advice on how to use the Engine like:

Use powered joint, joint limits, built-in springs as much as possible,
avoid explicit forces.

Why should we avoid explicit forces? What is the implication in the
code? Will there be any problem if we create functions even if we are
aware Of the powered joints involved in the simulation?

Thanks 

Cyril Labordrie






-----Message d'origine-----
De : ode-bounces at q12.org [mailto:ode-bounces at q12.org] De la part de
Cyril Labordrie
Envoyé : jeudi 8 janvier 2004 22:45
À : aspirin at ntlworld.com; 'ode'
Objet : RE : [ODE] Question about ODE

Thanks for your answer

Has anyone any answer to the other questions

Thanks

Cyril

-----Message d'origine-----
De : ode-bounces at q12.org [mailto:ode-bounces at q12.org] De la part de Adam
D. Moss
Envoyé : samedi 3 janvier 2004 12:26
À : ode
Objet : Re: [ODE] Question about ODE

Cyril Labordrie wrote:
> Hi and Happy New year to EveryBody
> 
> I am spending time on understanding the source code.
> 
> First of all my question are on the files: 
> Fastlsolve.c
> Fastltsolve.c
> FastDot.c
> 
> These 3 files were generated Sources code, 
> Which software did you use for that? Matlab?

See the directory ode/fbuild for the code that generated these
modules.  Unfortunately I think that the code for the generator
is incomplete (some parts missing, last I looked -- probably
an oversight in check-in).

--Adam
-- 
Adam D. Moss   . ,,^^   adam at gimp.org   http://www.foxbox.org/   co:3
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