DataLookupWeighted1D.h

#ifndef _theplu_yat_classifier_dataLookup_weighted_1D_ 
#define _theplu_yat_classifier_dataLookup_weighted_1D_ 

// $Id: DataLookupWeighted1D.h 2119 2009-12-12 23:11:43Z peter $

/*
  Copyright (C) 2006 Jari Häkkinen, Peter Johansson
  Copyright (C) 2007, 2008 Jari Häkkinen, Peter Johansson, Markus Ringnér
  Copyright (C) 2009 Peter Johansson

  This file is part of the yat library, http://dev.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 3 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 yat. If not, see <http://www.gnu.org/licenses/>.
*/

#include "MatrixLookupWeighted.h"
#include "yat/utility/Container2DIterator.h"
#include "yat/utility/StrideIterator.h"

#include <utility>
#include <vector>

namespace theplu {
namespace yat {
namespace classifier {  

  class DataLookupWeighted1D
  {
  
  public:
    typedef utility::DataWeight value_type;

    typedef const utility::DataWeight const_reference;

    typedef MatrixLookupWeighted::const_row_iterator const_iterator;

    DataLookupWeighted1D(const MatrixLookupWeighted& m, const size_t index, 
                         const bool row_vector);

    DataLookupWeighted1D(const DataLookupWeighted1D&);

    DataLookupWeighted1D(const size_t size, double value=0, double weight=1); 

    virtual ~DataLookupWeighted1D();

    const_iterator begin() const;

    double data(const size_t i) const;
    
    const_iterator end() const;

    size_t size(void) const;

    double weight(const size_t i) const;

    const_reference operator()(const size_t i) const;

  private:
    const DataLookupWeighted1D& operator=(const DataLookupWeighted1D&);

    const bool column_vector_;
    const size_t index_;
    const MatrixLookupWeighted* matrix_;
    const bool owner_;
    
  };

  double sum_weight(const DataLookupWeighted1D&);

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

#endif