|
00001 // Copyright (C) 2003 Johan Hoffman and Anders Logg. 00002 // Licensed under the GNU GPL Version 2. 00003 00004 #ifndef __GAUSSIAN_QUADRATURE_H 00005 #define __GAUSSIAN_QUADRATURE_H 00006 00007 #include <dolfin/Quadrature.h> 00008 00009 namespace dolfin { 00010 00017 00018 class GaussianQuadrature : public Quadrature { 00019 public: 00020 00021 GaussianQuadrature(unsigned int n); 00022 00023 protected: 00024 00025 // Compute points and weights 00026 void init(); 00027 00028 // Compute quadrature points 00029 virtual void computePoints() = 0; 00030 00031 // Compute quadrature weights 00032 void computeWeights(); 00033 00034 // Check that quadrature is exact for given degree q 00035 bool check(unsigned int q) const; 00036 00038 virtual void show() const = 0; 00039 00040 }; 00041 00042 } 00043 00044 #endif
Documentation automatically generated with Doxygen on 10 Sep 2004.