InHalfPlaneBySimple3x3Matrix.ih

/**
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as
 *  published by the Free Software Foundation, either version 3 of the
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 *
 *  This program 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, see <http://www.gnu.org/licenses/>.
 *
 **/
 
/**
 * @file InHalfPlaneBySimple3x3Matrix.ih
 * @author Tristan Roussillon (\c tristan.roussillon@liris.cnrs.fr )
 * Laboratoire d'InfoRmatique en Image et Systèmes d'information - LIRIS (CNRS, UMR 5205), CNRS, France
 *
 * @date 2013/11/22
 *
 * Implementation of inline methods defined in InHalfPlaneBySimple3x3Matrix.h
 *
 * This file is part of the DGtal library.
 */
 
 
//////////////////////////////////////////////////////////////////////////////
#include <cstdlib>
//////////////////////////////////////////////////////////////////////////////
 
///////////////////////////////////////////////////////////////////////////////
// IMPLEMENTATION of inline methods.
///////////////////////////////////////////////////////////////////////////////
 
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
template <typename TP, typename TI>
inline
void
DGtal::InHalfPlaneBySimple3x3Matrix<TP,TI>::init( const Point& aP, const Point& aQ )
{
  myMatrix.setComponent( 0, 0, static_cast<Integer>( aP[0] ) ); 
  myMatrix.setComponent( 0, 1, static_cast<Integer>( aP[1] ) ); 
  myMatrix.setComponent( 0, 2, NumberTraits<Integer>::ONE ); 
  myMatrix.setComponent( 1, 0, static_cast<Integer>( aQ[0] ) ); 
  myMatrix.setComponent( 1, 1, static_cast<Integer>( aQ[1] ) ); 
  myMatrix.setComponent( 1, 2, NumberTraits<Integer>::ONE ); 
}
 
// ----------------------------------------------------------------------------
template <typename TP, typename TI>
inline
void
DGtal::InHalfPlaneBySimple3x3Matrix<TP,TI>::init( const PointArray& aA )
{
  init( aA[0], aA[1] ); 
}
 
// ----------------------------------------------------------------------------
template <typename TP, typename TI>
inline
typename DGtal::InHalfPlaneBySimple3x3Matrix<TP,TI>::Value
DGtal::InHalfPlaneBySimple3x3Matrix<TP,TI>::operator()( const Point& aR ) const
{
  myMatrix.setComponent( 2, 0, static_cast<Integer>( aR[0] ) ); 
  myMatrix.setComponent( 2, 1, static_cast<Integer>( aR[1] ) ); 
  myMatrix.setComponent( 2, 2, NumberTraits<Integer>::ONE ); 
  return myMatrix.determinant(); 
}
 
// ----------------------------------------------------------------------------
template <typename TP, typename TI>
inline
void
DGtal::InHalfPlaneBySimple3x3Matrix<TP,TI>::selfDisplay ( std::ostream & out ) const
{
  out << "[InHalfPlaneBySimple3x3Matrix]";
}
 
// ----------------------------------------------------------------------------
template <typename TP, typename TI>
inline
bool
DGtal::InHalfPlaneBySimple3x3Matrix<TP,TI>::isValid() const
{
  return true;
}
 
 
 
///////////////////////////////////////////////////////////////////////////////
// Implementation of inline functions                                        //
 
template <typename TP, typename TI>
inline
std::ostream&
DGtal::operator<< ( std::ostream & out, 
                    const InHalfPlaneBySimple3x3Matrix<TP,TI> & object )
{
  object.selfDisplay( out );
  return out;
}
 
//                                                                           //
///////////////////////////////////////////////////////////////////////////////