LagrangeTri.h

/****************************************************************************** 

  (c) 2004-2014 Scientific Computation Research Center, 
      Rensselaer Polytechnic Institute. All rights reserved.
  
  The LICENSE-SCOREC file included with this distribution describes the terms
  of the SCOREC Non-Commercial License this program is distributed under.
 
*******************************************************************************/
#ifndef LAGRANGETRI_H_
#define LAGRANGETRI_H_

#include "ParametricFace.h"

class LagrangeTri : public ParametricFace {
 public:
  LagrangeTri(std::vector<Point3d> in_ordered_nodes);

  virtual ~LagrangeTri() {
  }

 protected:
  virtual void v_eval(Point2d in_xi, Point3d & out_xyz);
  virtual int v_order();
  virtual void v_deriv1(Point2d in_xi,
               Point3d & out_xyz1,
               Point3d & out_xyz2);
 private:
//  pMeshEnt m_vtx0;  // (1, 0, 0)
//  pMeshEnt m_vtx1;  // (0, 1, 0)
//  pMeshEnt m_vtx2;  // (0, 0, 1)
  Point3d m_vert0;
  Point3d m_vert1;
  Point3d m_vert2;
};
#endif // LAGRANGETRI_H_