elementFormula.hh

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#ifndef elementformula_hh
#define elementformula_hh
 
#include "basics/cloneable.hh"
#include "basics/outputOperator.hh"
#include "basics/typedefs.hh"
#include "basics/vectorsMatricesForward.hh"
#include "toolbox/sharedPointer.hh"
 
namespace concepts {
  
  // forward declaration
  template<typename F>
  class ElementWithCell;
 
 
  // ******************************************************** ElementFormula **
 
  template<typename F, typename G = typename Realtype<F>::type>
  class ElementFormula : public Cloneable, public virtual OutputOperator {
  public:
    typedef F value_type;
 
    virtual F operator() (const ElementWithCell<G>& elm, const Real p,
                          const Real t = 0.0) const = 0;
    virtual F operator() (const ElementWithCell<G>& elm, const Real2d& p,
                          const Real t = 0.0) const = 0;
    virtual F operator() (const ElementWithCell<G>& elm, const Real3d& p,
                          const Real t = 0.0) const = 0;
    virtual ElementFormula<F,G>* clone() const = 0;
 
    virtual ~ElementFormula() { }
 
#if 0
    bool operator==(const ElementFormula& other) {
      return id == other.id; 
    }
  private:
    int id;
    static int CUR_ID;
#endif
  };  
 
} // namespace concepts
 
#endif // elementformula_hh