lagrange_1D.hpp

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// Terms register on the GPL-3.0 license.
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// See top level LICENSE file for more details.
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// This file can be used citing references in CITATION.cff file.
 
#ifndef __Interpolation_Lagrange_1D_HPP
#define __Interpolation_Lagrange_1D_HPP
 
#include "Eigen/Eigen"
#include <vector>
 
namespace Polydim
{
namespace Interpolation
{
namespace Lagrange
{
Eigen::VectorXd Lagrange_1D_coefficients(const Eigen::VectorXd &interpolation_points_x);
 
Eigen::MatrixXd Lagrange_1D_values(const Eigen::VectorXd &interpolation_points_x,
                                   const Eigen::VectorXd &lagrange_1D_coefficients,
                                   const Eigen::VectorXd &evaluation_points_x);
 
Eigen::MatrixXd Lagrange_1D_derivative_values(const Eigen::VectorXd &interpolation_points_x,
                                              const Eigen::VectorXd &lagrange_1D_coefficients,
                                              const Eigen::VectorXd &evaluation_points_x);
 
} // namespace Lagrange
} // namespace Interpolation
} // namespace Polydim
 
#endif