ColumnNormalizer.h

#ifndef _theplu_yat_normalizer_column_normalizer_
#define _theplu_yat_normalizer_column_normalizer_

// $Id: ColumnNormalizer.h 2384 2010-12-22 14:03:36Z peter $

/*
  Copyright (C) 2008 Jari Häkkinen, Peter Johansson
  Copyright (C) 2009, 2010 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 "yat/utility/yat_assert.h"
#include "yat/utility/concept_check.h"

#include <boost/concept_check.hpp>

#include <cstddef>
#include <stdexcept>

namespace theplu {
namespace yat {
namespace normalizer {

  template<class T>
  class ColumnNormalizer
  {
  public:
    typedef T normalizer_type;

    ColumnNormalizer(void) {}

    ColumnNormalizer(T norm) 
      : normalizer_(norm) {}

    template<class Container2D1, class Container2D2>
    void operator()(const Container2D1& matrix, Container2D2& result) const
    {
      BOOST_CONCEPT_ASSERT((utility::Container2D<Container2D1>));
      BOOST_CONCEPT_ASSERT((utility::Mutable_Container2D<Container2D2>));
      YAT_ASSERT(matrix.rows()==result.rows());
      YAT_ASSERT(matrix.columns()==result.columns());
      for (size_t i=0; i<matrix.columns(); ++i)
        normalizer_(matrix.begin_column(i), matrix.end_column(i),
                    result.begin_column(i));
      
    }

  private:
    T normalizer_;
  };

}}} // end of namespace normalizer, yat and thep
#endif