hp1D/linearForm.hh

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/* Linear form for hp 1D FEM
 */

#pragma once

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

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

  class BoundaryConditions;
}

namespace hp1D {

  using concepts::Real;

  // *************************************************************** Neumann **

  class Neumann : public concepts::Neumann<Real> {
  public:
    Neumann(const concepts::BoundaryConditions* bc); 
    virtual ~Neumann();

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

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

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

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


  // ********************************************** LinearFormGradInterp_Grad **

  template<typename F = Real>
  class LinearFormGradInterp_Grad : public concepts::LinearForm<F>,
                                    public LinearFormHelper<1,F> {
  public:
    LinearFormGradInterp_Grad(const concepts::ElementFormulaContainer<F> frm); 
    virtual ~LinearFormGradInterp_Grad();

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

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

  template<typename F = Real>
  class GradLinearForm : public concepts::LinearForm<F>,
                         public LinearFormHelper<1,F> {
  public:
    GradLinearForm (const concepts::ElementFormulaContainer<F> frm); 
    virtual ~GradLinearForm();

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

} // namespace hp1D