2 * This program is free software: you can redistribute it and/or modify
3 * it under the terms of the GNU Lesser General Public License as
4 * published by the Free Software Foundation, either version 3 of the
5 * License, or (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 * @author Kacper Pluta (\c kacper.pluta@esiee.fr )
20 * Laboratoire d'Informatique Gaspard-Monge - LIGM, A3SI, France
24 * Implementation of inline methods defined in Knot_4_1.h
26 * This file is part of the DGtal library.
29 ///////////////////////////////////////////////////////////////////////////////
30 // IMPLEMENTATION of inline methods.
31 ///////////////////////////////////////////////////////////////////////////////
33 //////////////////////////////////////////////////////////////////////////////
34 //////////////////////////////////////////////////////////////////////////////
38 ///////////////////////////////////////////////////////////////////////////////
39 // Implementation of inline methods //
43 DGtal::Knot_4_1<T>::Knot_4_1 ( long double scale_1, long double scale_2, long double scale_3 ) : scale {scale_1, scale_2, scale_3}
46 template < typename T>
48 typename DGtal::Knot_4_1<T>::RealPoint DGtal::Knot_4_1<T>::x ( const long double t ) const
50 return RealPoint ( scale[0] * ( 2. / 5. * t * ( -10. + t * t ) * ( -7. + t * t ) ), scale[1] * ( t * t * ( -13 + t * t ) ),
51 scale[2] * ( 1. / 10. * t * ( -12. + t * t ) * ( -9. + t * t ) * ( -4. + t * t ) ) );
54 template < typename T>
56 typename DGtal::Knot_4_1<T>::RealPoint DGtal::Knot_4_1<T>::xp ( const long double t ) const
58 return RealPoint ( scale[0] * 2. / 5. * ( 70. - 51. * t * t + 5. * std::pow ( t, 4 ) ), scale[1] * ( -26. * t + 4. * std::pow ( t, 3 ) ),
59 scale[2] * 1. / 10. * ( -432. + 576. * t * t - 125. * std::pow ( t, 4 ) + 7. * std::pow ( t, 6 ) ) );
63 template < typename T>
65 void DGtal::Knot_4_1<T>::selfDisplay ( std::ostream & out ) const
70 ///////////////////////////////////////////////////////////////////////////////
71 // Implementation of inline functions and external operators //
74 * Overloads 'operator<<' for displaying objects of class 'Knot_4_1'.
75 * @param out the output stream where the object is written.
76 * @param object the object of class 'Knot_4_1' to write.
77 * @return the output stream after the writing.
82 DGtal::operator<< ( std::ostream & out,
83 const Knot_4_1<T> & object )
85 object.selfDisplay ( out );
90 ///////////////////////////////////////////////////////////////////////////////