nurbs_solve.h

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#ifndef _NURBS_SOLVE_H_
#define _NURBS_SOLVE_H_

#undef Success
#include <Eigen/Dense>

#include <pcl/surface/on_nurbs/sparse_mat.h>

namespace pcl
{
  namespace on_nurbs
  {

    class NurbsSolve
    {
    public:
      NurbsSolve () :
        m_quiet (true)
      {
      }

      void
      assign (unsigned rows, unsigned cols, unsigned dims);

      void
      K (unsigned i, unsigned j, double v);
      void
      x (unsigned i, unsigned j, double v);
      void
      f (unsigned i, unsigned j, double v);

      double
      K (unsigned i, unsigned j);
      double
      x (unsigned i, unsigned j);
      double
      f (unsigned i, unsigned j);

      void
      resize (unsigned rows);

      void
      printK ();
      void
      printX ();
      void
      printF ();

      bool
      solve ();

      Eigen::MatrixXd
      diff ();

      inline void
      setQuiet (bool val)
      {
        m_quiet = val;
      }

      inline void
      getSize (unsigned &rows, unsigned &cols, unsigned &dims)
      {
        rows = static_cast<unsigned>(m_feig.rows());
        cols = static_cast<unsigned>(m_xeig.rows());
        dims = static_cast<unsigned>(m_feig.cols());
      }

    private:
      bool m_quiet;
      SparseMat m_Ksparse;
      Eigen::MatrixXd m_Keig;
      Eigen::MatrixXd m_xeig;
      Eigen::MatrixXd m_feig;

    public:
      EIGEN_MAKE_ALIGNED_OPERATOR_NEW
    };

  }
}

#endif