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00001 #ifndef DEFINITEINTEGRAL_H 00002 #define DEFINITEINTEGRAL_H 00003 00004 #include "SundanceDefs.h" 00005 00006 #include "GaussLegendre.h" 00007 #include "QuadratureFamily.h" 00008 #include "Integral.h" 00009 00010 namespace Sundance 00011 { 00012 00013 using namespace TSF; 00014 using std::string; 00015 00016 using std::ostream; 00017 00018 class Mesh; 00019 class CellSet; 00020 class Expr; 00021 00022 /** 00023 * \relates Expr 00024 * Uses quadrature to integrate an expression over a subdomain of a mesh. 00025 */ 00026 double definiteIntegral(const Mesh& mesh, const CellSet& subdomain, 00027 const Expr& integrand, 00028 const QuadratureFamily& quad = new GaussLegendre(4)); 00029 00030 /** 00031 * \relates Expr 00032 * Uses quadrature to integrate an expression over all maximal cells in a mesh. 00033 */ 00034 double definiteIntegral(const Mesh& mesh, 00035 const Expr& integrand, 00036 const QuadratureFamily& quad = new GaussLegendre(4)); 00037 00038 00039 } 00040 #endif