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GaussianQuadrature.h

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#ifndef GAUSSIANQUADRATURE_H
#define GAUSSIANQUADRATURE_H

#include "SundanceDefs.h"
#include "QuadratureFamilyBase.h"
#include "TSFHashtable.h"
#include "XMLObject.h"


namespace Sundance
{

  using namespace TSF;
  using std::string;

  using std::ostream;

  /** \ingroup UserLevelFE
   * Abstract, geometry-independent symmetric Gaussian quadrature rule
   */

  class GaussianQuadrature : public QuadratureFamilyBase
    {
    public:
      /** \name User-level methods */
      //@{
      /** create a Gauss-Legendre quadrature rule of a given
       * polynomial order */
      GaussianQuadrature(int polyOrder)
        : QuadratureFamilyBase("GaussianQuadrature",
                               polyOrder) {;}
      //@}

      /** \name Developer-only methods */
      //@{
      /** create from an XML specification */
      GaussianQuadrature(const XMLObject& xml);
      /** TUVD */
      virtual ~GaussianQuadrature(){;}

      /** return an identifying string */
      virtual const string& typeName() const {return typeName_;}

      //@}
    protected:

      /** compute a rule for the reference line cell */
      virtual QuadraturePoints getLineRule() const ;

      /** compute a rule for the reference triangle cell */
      virtual QuadraturePoints getTriangleRule() const ;

      /** compute a rule for the reference quad cell */
      virtual QuadraturePoints getQuadRule() const ;

      /** compute a rule for the reference tet cell */
      virtual QuadraturePoints getTetRule() const ;


      /** compute a rule for the reference brick cell */
      virtual QuadraturePoints getBrickRule() const ;

      static string typeName_;
      static TSFHashtable<int, QuadraturePoints> lineRules_;
      static TSFHashtable<int, QuadraturePoints> triangleRules_;
      static TSFHashtable<int, QuadraturePoints> quadRules_;
      static TSFHashtable<int, QuadraturePoints> brickRules_;
      static TSFHashtable<int, QuadraturePoints> tetRules_;
    };

  extern "C"
  {
    /** \relates GaussianQuadrature creator function used in dynamic loading */
    QuadratureFamilyBase* createXMLGaussianQuadrature(const XMLObject& xml);
  }

}
#endif

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Contact:

Kevin Long (krlong@ca.sandia.gov)


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