hp2D/linearForm.hh

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/* Linear forms for hp 2D FEM
 */

#ifndef hp2dlinearform_hh
#define hp2dlinearform_hh

#include <memory>
#include "basics/typedefs.hh"
#include "function/linearForm.hh"
#include "linearFormHelper.hh"
#include "arrayElementFormula.hh"

namespace concepts {
  // forward declarations
  template<class F>
  class Formula;

  template<class F, int dim>
  class Point;

  class BoundaryConditions;

  template<class F>
  class Element;

  template<class F>
  class ElementMatrix;

  template<class F>
  class Array;
}

namespace hp2D {
  // forward declarations
  template<class F>
  class Quad;

  using concepts::Real;


  // ***************************************************************** Riesz **

  template<class F = Real>
  class Riesz : public concepts::LinearForm<F>, public LinearFormHelper_0<F> {
  public:
    Riesz(const concepts::ElementFormulaContainer<F> frm,
          concepts::BoundaryConditions* bc = 0,
          bool ignoreMissingElem = false);
    virtual ~Riesz();

    void operator()(const concepts::Element<Real>& elm,
                    concepts::ElementMatrix<F>& em);
  protected:
    virtual std::ostream& info(std::ostream& os) const;
  private:
    concepts::Array<Real> jacobian_;

    void operator()(const Quad<Real>& elm, concepts::ElementMatrix<F>& em);

    concepts::BoundaryConditions* bc_;
    bool ignoreMissingElem;
  };


  // ******************************************************** GradLinearForm **

  template<class F = concepts::Real>
  class GradLinearForm : public concepts::LinearForm<F>,
                         public LinearFormHelper_1<F> {
  public:
    GradLinearForm(const concepts::ElementFormulaContainer<F> frm1,
                   const concepts::ElementFormulaContainer<F> frm2,
                   bool ignoreMissingElem = false);
    GradLinearForm
    (const concepts::ElementFormulaContainer<concepts::Point<F, 2> > frm,
     bool ignoreMissingElem = false);

    virtual void operator()(const concepts::Element<Real>& elm,
                            concepts::ElementMatrix<F>& em);
  protected:
    virtual std::ostream& info(std::ostream& os) const;
  private:
    virtual void operator()(const Quad<Real>& elm,
                            concepts::ElementMatrix<F>& em);

    bool ignoreMissingElem_;
  };


  // ****************************************************** PlCurlLinearForm **

  template<class F>
  class PlCurlLinearForm : public GradLinearForm<F> {
  public:
    PlCurlLinearForm(const concepts::ElementFormulaContainer<F> frm1,
                     const concepts::ElementFormulaContainer<F> frm2);
    PlCurlLinearForm
    (const concepts::ElementFormulaContainer<concepts::Point<F,2> > frm);
  protected:
    virtual std::ostream& info(std::ostream& os) const;
  };


} // namespace hp2D

#endif // hp2dlinearform_hh