Knot_3_2.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
 *  License, or  (at your option) any later version.
 *
 *  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 Knot_3_2.ih
 * @author Kacper Pluta (\c kacper.pluta@esiee.fr )
 * Laboratoire d'Informatique Gaspard-Monge - LIGM, A3SI, France
 *
 * @date 2014/10/01
 *
 * Implementation of inline methods defined in Knot_3_2.h
 *
 * This file is part of the DGtal library.
 */
 
///////////////////////////////////////////////////////////////////////////////
// IMPLEMENTATION of inline methods.
///////////////////////////////////////////////////////////////////////////////
 
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
 
 
 
///////////////////////////////////////////////////////////////////////////////
// Implementation of inline methods                                          //
 
template <typename T>
inline
DGtal::Knot_3_2<T>::Knot_3_2 ( long double scale_1, long double scale_2, long double scale_3 ) : scale {scale_1, scale_2, scale_3}
{}
 
template < typename T>
inline
typename DGtal::Knot_3_2<T>::RealPoint DGtal::Knot_3_2<T>::x ( const long double t ) const
{
    return RealPoint ( scale[0] * ( std::cos ( 2 * t ) * ( 3. + std::cos ( 3. * t ) ) ),
                       scale[1] * ( std::sin ( 2. * t ) * ( 3. + std::cos ( 3. * t ) ) ), scale[2] * std::sin ( 3. * t ) );
}
 
template < typename T>
inline
typename DGtal::Knot_3_2<T>::RealPoint DGtal::Knot_3_2<T>::xp ( const long double t ) const
{
    return RealPoint (
           -2. * scale[0] * ( 3. + std::cos ( 3. * t ) ) * std::sin( 2. * t ) - 3. * scale[0] * std::cos ( 2. * t ) * std::sin ( 3. * t),
           2. * scale[1] * std::cos (2. * t ) * ( 3.  + std::cos( 3. * t ) ) - 3. * scale[1] * std::sin ( 2. * t ) * std::sin ( 3. * t),
           3. * scale[2] * std::cos ( 3. * t ) );
}
 
 
template < typename T>
inline
double DGtal::Knot_3_2<T>::getPeriod()
{
    return PERIOD;
}
 
template < typename T>
inline
void DGtal::Knot_3_2<T>::selfDisplay ( std::ostream & out ) const
{
    out << "[Knot_3_2]";
}
 
///////////////////////////////////////////////////////////////////////////////
// Implementation of inline functions and external operators                 //
 
/**
 * Overloads 'operator<<' for displaying objects of class 'Knot_3_2'.
 * @param out the output stream where the object is written.
 * @param object the object of class 'Knot_3_2' to write.
 * @return the output stream after the writing.
 */
template <typename T>
inline
std::ostream&
DGtal::operator<< ( std::ostream & out, const Knot_3_2<T> & object )
{
    object.selfDisplay ( out );
    return out;
}
 
//                                                                           //
///////////////////////////////////////////////////////////////////////////////