[Insight-users] C2440 when reinterpret_cast-ing from base to specific class

[Gaëtan Lehmann]

Le 16 déc. 09 à 22:44, itkvtk123 at gmx.net a écrit :

> Thank you. Your code
>
> reinterpret_cast<GradientDescentType*>(optimizer.GetPointer())- 
> >SetRelaxationFactor(0.5);
>
> did the trick.
> I knew that the pointer might be the reason, but I was not aware of  
> the GetPointer() function.
>

Just a comment on reinterpret_cast: you usually don't need it, and it  
is often very dangerous.
In that case, a dynamic_cast seems more appropriate to me.

Gaëtan

-- 
Gaëtan Lehmann
Biologie du Développement et de la Reproduction
INRA de Jouy-en-Josas (France)
tel: +33 1 34 65 29 66    fax: 01 34 65 29 09
http://voxel.jouy.inra.fr  http://www.itk.org
http://www.mandriva.org  http://www.bepo.fr

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