source: branches/peters_vector/lib/classifier/DataLookup1D.h @ 470

// $Id: DataLookup1D.h 470 2005-12-19 19:46:50Z peter $

#ifndef _theplu_classifier_dataLookup1D_ 
#define _theplu_classifier_dataLookup1D_ 

#include <c++_tools/classifier/DataLookup2D.h>

#include <vector>

namespace theplu {
namespace classifier {  

  class DataLookup2D;

  ///
  /// Class for general vector view
  ///

  class DataLookup1D
  {
  
  public:

    ///
    /// Constructor 
    ///
    DataLookup1D(const DataLookup2D&, const size_t, const bool row);

    ///
    ///
    ///
    inline size_t size(void) const
      { return column_vector_ ? matrix_->rows() : matrix_->columns(); }

    ///
    ///
    ///
    inline double operator()(const size_t i) const
    { return column_vector_ ? (*matrix_)(i,index_) : (*matrix_)(index_,i); }

  private:
    DataLookup1D();

    const bool column_vector_;
    const size_t index_;
    const DataLookup2D* matrix_;

  };  
  
}} // of namespace classifier and namespace theplu

#endif