source: trunk/yat/classifier/Kernel_MEV.cc @ 1275

// $Id$

/*
  Copyright (C) 2006, 2007 Jari Häkkinen, Peter Johansson
  Copyright (C) 2008 Peter Johansson

  This file is part of the yat library, http://trac.thep.lu.se/yat

  The yat library is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 2 of the
  License, or (at your option) any later version.

  The yat library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/

#include "Kernel_MEV.h"
#include "DataLookup1D.h"
#include "DataLookupWeighted1D.h"

namespace theplu {
namespace yat {
namespace classifier {  

  Kernel_MEV::Kernel_MEV(const MatrixLookup& data, const KernelFunction& kf,
                         const bool own)
    : Kernel(data,kf,own) 
  {
  }


  Kernel_MEV::Kernel_MEV(const MatrixLookupWeighted& data, 
                         const KernelFunction& kf, const bool own)
    : Kernel(data,kf,own) 
  {
  }


  Kernel_MEV::Kernel_MEV(const Kernel_MEV& kernel, 
                         const std::vector<size_t>& index)
    : Kernel(kernel,index)
  {
  }


  const Kernel_MEV* Kernel_MEV::make_kernel(const MatrixLookup& data, 
                                            const bool own) const
  {
    return new Kernel_MEV(data, *kf_, own);
  }


  const Kernel_MEV* Kernel_MEV::make_kernel(const MatrixLookupWeighted& data, 
                                            const bool own) const
  {
    return new Kernel_MEV(data, *kf_, own);
  }


  double Kernel_MEV::operator()(const size_t row, const size_t column) const
  { 
    if (weighted())
      return (*kf_)(DataLookupWeighted1D(*mlw_,row,false),
                    DataLookupWeighted1D(*mlw_,column,false)); 
    else
      return (*kf_)(DataLookup1D(*ml_,row,false),
                    DataLookup1D(*ml_,column,false)); 
  }



}}} // of namespace classifier, yat, and theplu