sparse_mat.h

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#ifndef SPARSE_MAT_H
#define SPARSE_MAT_H

#include <vector>
#include <map>
#include <stdio.h>

namespace pcl
{
  namespace on_nurbs
  {

    class SparseMat
    {
    protected:
      std::map<int, std::map<int, double> > m_mat;

    public:
      SparseMat ()
      {
        m_mat.clear ();
      }

      void
      get (std::vector<int> &i, std::vector<int> &j, std::vector<double> &v);
      double
      get (int i, int j);
      void
      set (int i, int j, double v);

      void
      deleteRow (int i);
      void
      deleteColumn (int j);

      inline void
      clear ()
      {
        m_mat.clear ();
      }
      void
      size (int &si, int &sj);
      int
      nonzeros ();
      void
      printLong ();
      void
      print ();

    };

  }
}

#endif /* SPARSEMAT_H_ */