primal.h

 /*
  * The GURLS Package in C++
  *
  * Copyright (C) 2011-1013, IIT@MIT Lab
  * All rights reserved.
  *
  * authors:  P.K. Mallapragada, M. Santoro and A. Tacchetti
  * email:   {pavan_m / msantoro / atacchet}@mit.edu
  * website: http://cbcl.mit.edu/IIT@MIT/IIT@MIT.html
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
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  *       copyright notice, this list of conditions and the following
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  *     * Redistributions in binary form must reproduce the above
  *       copyright notice, this list of conditions and the following
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  *     * Neither the name(s) of the copyright holders nor the names
  *       of its contributors or of the Massacusetts Institute of
  *       Technology or of the Italian Institute of Technology may be
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#ifndef _GURLS_PRIMAL_H
#define _GURLS_PRIMAL_H

#include <cstdio>
#include <cstring>
#include <iostream>
#include <cmath>
#include <algorithm>

#include "gurls++/gmath.h"
#include "gurls++/options.h"
#include "gurls++/optlist.h"
#include "gurls++/optmatrix.h"

#include "gurls++/pred.h"


namespace gurls {

template <typename T>
class PredPrimal: public Prediction<T > {

public:
   OptMatrix<gMat2D<T> >* execute( const gMat2D<T>& X, const gMat2D<T>& Y, const GurlsOptionsList& opt);
};

template <typename T>
OptMatrix<gMat2D<T> >* PredPrimal<T>::execute(const gMat2D<T>& X, const gMat2D<T>& /*Y*/, const GurlsOptionsList &opt)
{
    if (opt.hasOpt("optimizer"))
    {
        const gMat2D<T>& W = opt.getOptValue<OptMatrix<gMat2D<T> > >("optimizer.W");

        gMat2D<T>* Z = new gMat2D<T>(X.rows(), W.cols());

        dot(X.getData(), W.getData(), Z->getData(), X.rows(), X.cols(), W.rows(), W.cols(), Z->rows(), Z->cols(), CblasNoTrans, CblasNoTrans, CblasColMajor);

        return new OptMatrix<gMat2D<T> >(*Z);
    }
    else
       throw gException(gurls::Exception_Required_Parameter_Missing);
}


}

#endif // _GURLS_PRIMAL_H