yade-dev team mailing list archive

[Anton Gladky <gladky.anton@xxxxxxxxx>]

Ok, thank you.

Could you not see rev.9. Is that what you mean?

Sorry for annoying questions.

______________________________

Anton Gladkyy


2010/2/1 Václav Šmilauer <eudoxos@xxxxxxxx>

>
> > I have just committed first Eigen strings.
> > Could you not check it?
> >
> > There are some syntax differences. For instance, vector3r.Zero() in
> > Eigen and vector3r.ZERO() in Wm3, UNIT_X in Wm3 and UnitX in Eigen.
> Those are static objects in wm3 (Vector3r::ZERO) and are initialized in
> a cpp file, whereas in eigen, they are methods, keep that in mind.
> > How is it better to handle it? Deriving class or some better
> > solution?
> Yes, you need to derive class (not just typedef as you do now), so that
> the interface is the same (don't use virtual methods, we need just plain
> derived class); the derived class will just define thin wrapper
> functions, like Real Length(){ return norm(); }.
>
> This will be all in a .hpp file, probably, with the exception of static
> initializers which haveto be in the .cpp file. (don't include
> yadeMath.cpp, include yadeMath.hpp)
>
> Derived class will have the advantage that you will be able to use both
> syntaxes for the derived class (i.e. both Length and norm), when we make
> the switch progressively later (it can be automatized for some part).
>
> (BTW. Normalize() returns length in wm3, but is void in eigen. You have
> to emulate that.)
>
> Cheers, Vaclav
>
>
>
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