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UserFuncExpr.h

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#ifndef USERFUNCEXPR_H
#define USERFUNCEXPR_H

#include "SundanceDefs.h"

#include "FuncExprBase.h"
#include "DenseSerialVector.h"
#include "UserDefinedFunction.h"
#include "Expr.h"

namespace Sundance
{

  using namespace TSF;
  using std::string;

  using std::ostream;


  /** \ingroup LowLevelSymbolics
   * A symbolic function that calls user-defined code for evaluation.
   */

  class UserFuncExpr : public FuncExprBase
    {
    public:
      /** \name Developer-only methods */
      //@{
      /** construct with a function object */
      UserFuncExpr(UserDefinedFunction* f, const string& name);
      /** */
      virtual ~UserFuncExpr(){;}

      // evaluation

      /** */
      virtual void evaluate(const WorkSet& workSet,
                            const QuadratureFamily& quadFamily,
                            DenseSerialVector& result) const ;

      /** */
      virtual void evaluate(const AbstractFunctionSpace& targetSpace,
                            const TSFArray<Cell>& cells,
                            const TSFArray<int>& cellIndices,
                            const TSFArray<int>& dofIndices,
                            const TSFArray<Point>& x,
                            DenseSerialVector& values) const ;

      // differentiation
      /** */
      virtual void derivative(const MultiIndex& d, Expr& result) const ;

      // ordering support
      /** */
      virtual bool operator==(const Expr& other) const ;
      /** */
      virtual bool operator<(const Expr& other) const ;
      /** */
      virtual int sortPriority() const {return USERFUNCEXPR;}

      // RTTI
      /** */
      virtual bool isUserFuncExpr() const {return true;}

      /** */
      virtual ExprBase* clone() const ;

      /** */
      virtual void print(ostream& os, bool paren=false) const ;
      //@}
    private:
      TSFSmartPtr<UserDefinedFunction> func_;
    };


}
#endif

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Contact:

Kevin Long (krlong@ca.sandia.gov)


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