DiscontinuousLagrangeFE.h

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00001 #ifndef DISCONTINUOUSLAGRANGEFE_IS_INCLUDED
00002 #define DISCONTINUOUSLAGRANGEFE_IS_INCLUDED 
00003 
00004 #include <LagrangeFE.h>
00005 
00006 class DiscontinuousLagrangeFE : public LagrangeFE{
00007   int element; 
00008   public: 
00009   DiscontinuousLagrangeFE(); 
00010   ~DiscontinuousLagrangeFE() {}
00011 
00012   virtual void set(int order); 
00013   virtual void set_element_number(int element); 
00014   virtual void set(Polygon& p);  
00015   virtual void compute_basis_functions();  
00016   virtual int nbf(); 
00017   virtual GiNaC::ex N(int i);  
00018   virtual GiNaC::ex dof(int i); 
00019 }; 
00020 
00021 
00022 // FIXME: would like to have this element also 
00023 // in vector version since this it will give
00024 // nice code in the element matrix e.g.: 
00025 //       div(vfe.N(j))*pfe.N(i)
00026 
00027 class VectorDiscontinuousLagrangeFE : public VectorLagrangeFE {
00028   protected: 
00029   int size; 
00030   int element; 
00031   public: 
00032   VectorDiscontinuousLagrangeFE(); 
00033   ~VectorDiscontinuousLagrangeFE() {}
00034 
00035   virtual void set(int order); 
00036   virtual void set_element_number(int element); 
00037   virtual void set(Polygon& p);  
00038   virtual void set_size(int size_);  
00039   virtual void compute_basis_functions();  
00040   virtual int nbf(); 
00041   virtual GiNaC::ex N(int i);  
00042   virtual GiNaC::ex dof(int i); 
00043 }; 
00044 
00045 #endif

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