Re: [boost] generict container for structure of arrays

From: Sebastien Binet (hep.sebastien.binet_at_[hidden])
Date: 2008-07-24 17:09:25

On Thursday 24 July 2008 14:02:37 Mathias Gaunard wrote:
> Bradford, Chase wrote:
> > int main()
> > {
> >   typedef basic_soa<std::string, boost::variant<int, float> > MySoa;
> >
> >   MySoa s;
> >
> >   // Make internal vectors hold 100 elements.
> >   s.resize(100);
> >
> >   // Create a fields named x and y.  This sort of makes the object a
> >   // container of 2D points.
> >   s.add_field<float>("x");
> >   s.add_field<float>("y");
> >
> >   fill( s.field<float>("x").begin(), s.field<float>("x").end(), rand);
> >   fill( s.field<float>("y").begin(), s.field<float>("y").end(), rand);
>
> If I understand your example correctly, it's quite similar to a
> std::(unordered_)map<Key, std::vector<Value> >.
except that it seems to be able to handle different value-types.

In my field, this is what we call an n-tuple:
http://www.gnu.org/software/gsl/manual/html_node/N_002dtuples.html 
http://www.gnu.org/software/gsl/manual/html_node/Ntuple-References-and-Further-Reading.html

cheers,
sebastien.
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