LagrangeFE.h

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00001 #ifndef LAGRANGEFE_IS_INCLUDED
00002 #define LAGRANGEFE_IS_INCLUDED 
00003 
00004 #include <FE.h>
00005 
00006 class LagrangeFE : public StandardFE {
00007   public: 
00008   LagrangeFE() {}
00009   ~LagrangeFE() {}
00010 
00011   virtual void set(int order); 
00012   virtual void set(Polygon& p);  
00013   virtual void compute_basis_functions();  
00014   virtual int nbf(); 
00015   virtual ex N(int i);  
00016   virtual ex dof(int i); 
00017 }; 
00018 
00019 
00020 // FIXME: would like to have this element also 
00021 // in vector version since this it will give
00022 // nice code in the element matrix e.g.: 
00023 //       div(vfe.N(j))*pfe.N(i)
00024 
00025 class VectorLagrangeFE : public StandardFE {
00026   protected: 
00027   int size; 
00028   public: 
00029   VectorLagrangeFE() {}
00030   ~VectorLagrangeFE() {}
00031 
00032   virtual void set(int order); 
00033   virtual void set(Polygon& p);  
00034   virtual void set_size(int size_);  
00035   virtual void compute_basis_functions();  
00036   virtual int nbf(); 
00037   virtual ex N(int i);  
00038   virtual ex dof(int i); 
00039 }; 
00040 
00041 #endif

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