SundanceReducedQuadrature.hpp
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00040 /* @HEADER@ */
00041 
00042 #ifndef SUNDANCE_REDUCED_QUADRATURE_H
00043 #define SUNDANCE_REDUCED_QUADRATURE_H
00044 
00045 #include "SundanceDefs.hpp"
00046 #include "Teuchos_RefCountPtr.hpp"
00047 #include "SundanceQuadratureFamilyBase.hpp"
00048 
00049 namespace Sundance
00050 {
00051 using namespace Teuchos;
00052 
00053 
00054 /** 
00055  * Reduced quadrature regards all coefficients as constants, using the midpoint value on
00056  * each element as representative of the entire element. The product of test and trial functions
00057  * is then integrated using reference integration.
00058  */
00059 class ReducedQuadrature : public QuadratureFamilyBase
00060 {
00061 public:
00062   /** */
00063   ReducedQuadrature();
00064 
00065   /** */
00066   virtual ~ReducedQuadrature(){;}
00067 
00068 
00069   /** */
00070   virtual XMLObject toXML() const ;
00071 
00072   /** Describable interface */
00073   virtual std::string description() const 
00074     {return "ReducedQuadrature()";}
00075 
00076   /* handleable boilerplate */
00077   GET_RCP(QuadratureFamilyStub);
00078 
00079   /** */
00080   virtual int getNumPoints( const CellType &cellType ) const ;
00081 
00082 
00083   /** Get the quadrature points and weights for the given cell type */
00084   virtual void getPoints(const CellType& cellType, 
00085     Array<Point>& quadPoints,
00086     Array<double>& quadWeights) const ;
00087 
00088   /** This methos is for the ACI integration */
00089   virtual void getAdaptedWeights(const CellType& cellType ,
00090                      int cellDim,
00091                                      int celLID ,
00092                                    int facetIndex ,
00093                                      const Mesh& mesh ,
00094                                      const ParametrizedCurve& globalCurve ,
00095                                      Array<Point>& quadPoints ,
00096                                      Array<double>& quadWeights ,
00097                                      bool &isCut) const ;
00098 
00099 protected:
00100 };
00101 }
00102 
00103 
00104 #endif

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