fe_q_iso_q1.h

// ---------------------------------------------------------------------
//
// Copyright (C) 2000 - 2018 by the deal.II authors
//
// This file is part of the deal.II library.
//
// The deal.II library is free software; you can use it, redistribute
// it, and/or modify it under the terms of the GNU Lesser General
// Public License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// The full text of the license can be found in the file LICENSE.md at
// the top level directory of deal.II.
//
// ---------------------------------------------------------------------

#ifndef dealii_fe_q_iso_q1_h
#define dealii_fe_q_iso_q1_h

#include <deal.II/base/config.h>

#include <deal.II/base/polynomials_piecewise.h>
#include <deal.II/base/tensor_product_polynomials.h>

#include <deal.II/fe/fe_q_base.h>

DEAL_II_NAMESPACE_OPEN



template <int dim, int spacedim = dim>
class FE_Q_iso_Q1
  : public FE_Q_Base<
      TensorProductPolynomials<dim, Polynomials::PiecewisePolynomial<double>>,
      dim,
      spacedim>
{
public:
  FE_Q_iso_Q1(const unsigned int n_subdivisions);

  virtual std::string
  get_name() const override;

  virtual std::unique_ptr<FiniteElement<dim, spacedim>>
  clone() const override;

  virtual void
  convert_generalized_support_point_values_to_dof_values(
    const std::vector<Vector<double>> &support_point_values,
    std::vector<double> &              nodal_values) const override;

  virtual FiniteElementDomination::Domination
  compare_for_domination(const FiniteElement<dim, spacedim> &fe_other,
                         const unsigned int codim = 0) const override final;

};



DEAL_II_NAMESPACE_CLOSE

#endif