Bspline.hpp

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#pragma once
#include <Eigen/Core>
 
namespace precice::math {
 
class Bspline {
 
public:
  Bspline(Eigen::VectorXd ts, const Eigen::MatrixXd &xs, int splineDegree);
 
  Eigen::VectorXd interpolateAt(double t) const;
 
private:
  Eigen::VectorXd _knots; // Cache to store previously computed knots
  Eigen::MatrixXd _ctrls; // Cache to store previously computed control points
  double          _tsMin; // The minimal time of the bspline
  double          _tsMax; // The maximal time of the bspline
  int             _ndofs; // The degrees of freedom of the data
};
} // namespace precice::math