LRSplineFields2D.h

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// $Id$
//==============================================================================
//==============================================================================
 
#ifndef _LRSPLINE_FIELDS_2D_H
#define _LRSPLINE_FIELDS_2D_H
 
#include "Fields.h"
 
class ASMu2D;
 
namespace LR {
  class Element;
  class LRSplineSurface;
}
 
 
class LRSplineFields2D : public Fields
{
public:
  LRSplineFields2D(const ASMu2D* patch, const RealArray& v,
                   char basis = 1, int nf = 0, const char* name = nullptr);
 
  LRSplineFields2D(const LR::LRSplineSurface* srf, const RealArray& v,
                   int ncmp, bool rational,
                   const char* name = nullptr);
 
  virtual ~LRSplineFields2D() {}
 
  // Methods to evaluate the field
  //==============================
 
  bool valueNode(size_t node, Vector& vals) const;
 
  bool valueFE(const ItgPoint& x, Vector& vals) const;
 
  bool valueCoor(const Vec4& x, Vector& vals) const;
 
  bool gradFE(const ItgPoint& x, Matrix& grad) const;
 
  virtual bool hessianFE(const ItgPoint& x, Matrix3D& H) const;
 
protected:
  const LR::LRSplineSurface* basis; 
  const LR::LRSplineSurface* surf;  
 
  bool is_rational; 
};
 
#endif