[C++-sig] Py++: Derived class and class templates

[Luca Sbardella]

Thanks Roman,
essentially I need to instantiate a template and Py++ will do the rest..
sweet.

On 22/08/07, Roman Yakovenko <roman.yakovenko at gmail.com> wrote:
>
> On 8/22/07, Luca Sbardella <luca.sbardella at gmail.com> wrote:
> > Hi,
> > I just started testing Py++ and excuse me if questions are trivial.
> >
> >
> > i) First question. I have the following class
> >
> > class timegrid: public dataserie<double>  {
> >     public:
> >         timegrid() {}
> >         timegrid(double T1, double T2, long partitions)
> > {init(T1,T2,partitions);}
> >     private:
> >         void init(double T1, double T2, long partitions);
> >     };
> >
> > which derives from the class template "dataserie".
> > When I run Py++ (from the gui) I obtain a wrapper class which only
> include
> > the timegrid methods (in this case the constructors) and no sign of
> methods
> > derived from the template (and there are quite a lot)!!!!
> >
> >
> >  ii) Second question. Running Py++ on a template produce nothing (I
> guess it
> > make sense). Is there something I'm missing?
>
> The problem is that you cannot expose template functions/classes. Take
> a look on next FAQ:
>
> http://language-binding.net/pyplusplus/documentation/how_to.html#how-to-automatically-export-template-functions-class
>
> You can also to take a look on Py++ Boost.Random example. This library
> is "one big template", still it was very easy to expose it with Py++:
>
> Usage example:
>
> http://language-binding.net/pyplusplus/documentation/how_to.html#how-to-automatically-export-template-functions-class
> Source code:
> http://tinyurl.com/2p8nfd
> http://tinyurl.com/3cr3ds
>
> HTH.
>
> --
> Roman Yakovenko
> C++ Python language binding
> http://www.language-binding.net/
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