constant_fcn_space.h

//
// Copyright (c) 2014 Limit Point Systems, Inc. 
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

// Interface for class constant_fcn_space

#ifndef CONSTANT_FCN_SPACE_H
#define CONSTANT_FCN_SPACE_H

#ifndef SHEAF_DLL_SPEC_H
#include "SheafSystem/sheaf_dll_spec.h"
#endif

#ifndef LINEAR_FCN_SPACE_H
#include "SheafSystem/linear_fcn_space.h"
#endif

namespace fiber_bundle
{

class SHEAF_DLL_SPEC constant_fcn_space : public linear_fcn_space
{

  // ===========================================================
  // ===========================================================

public:

  constant_fcn_space();

  constant_fcn_space(const constant_fcn_space& xother);

protected:

private:


  // ===========================================================
  // ===========================================================

public:

  virtual int dl() const;

  virtual void basis_at_coord(const dof_type xlocal_coord[], size_type xlocal_coord_ub);

  virtual void basis_derivs_at_coord(const dof_type xlocal_coords[],
                                     size_type xlocal_coords_ub);

protected:

  enum static_const_int {DL = 1};  

  value_type _basis_value_buffer[DL];

private:


  // ===========================================================
  // ===========================================================

public:

  using linear_fcn_space::integrate;

  virtual void integrate(const dof_type xcoord_dofs[],
                         size_type xcoord_dofs_ub,
                         size_type xdf,
                         const dof_type xintegrands[],
                         size_type xintegrands_ub,
                         value_type xresult_integrals[],
                         size_type xresult_integrals_ub);

  virtual void gauss_point(pod_index_type xindex,
                           coord_type xresult[],
                           size_type xresult_ub);

protected:

private:


  // ===========================================================
  // ===========================================================

public:

  virtual void dxi_local(size_type xlocal_coord_index,
                         const dof_type xsource_dofs[],
                         size_type xsource_dofs_ub,
                         dof_type xresult_dofs[],
                         size_type xresult_dofs_ub) const;

  virtual void jacobian(const dof_type xcoord_dofs[],
                        size_type xcoord_dofs_ub,
                        size_type xdf,
                        const dof_type xlocal_coords[],
                        size_type xlocal_coords_ub);

  virtual value_type jacobian_determinant(const dof_type xcoord_dofs[],
                                          size_type xcoord_dofs_ub,
                                          size_type xdf,
                                          const coord_type xlocal_coords[],
                                          size_type xlocal_coords_ub);

protected:

private:


  // ===========================================================
  // ===========================================================

public:

protected:

private:


  // ===========================================================
  // ===========================================================

public:

  using linear_fcn_space::value_at_coord;

  virtual void value_at_coord(const dof_type xdofs[],
                              size_type xdofs_ub,
                              const dof_type xlocal_coords[],
                              size_type xlocal_coords_ub,
                              dof_type xresult[],
                              size_type xresult_ub) const;

  virtual void coord_at_value(const dof_type xdofs[],
                              size_type xdofs_ub,
                              const dof_type xglobal_coords[],
                              size_type xglobal_coord_ub,
                              dof_type xlocal_coords[],
                              size_type xlocal_coords_ub) const;

protected:

private:


  // ===========================================================
  // ===========================================================

public:

  virtual constant_fcn_space* clone() const = 0;

  virtual constant_fcn_space& operator=(const section_evaluator& xother);

  constant_fcn_space& operator=(const constant_fcn_space& xother);

  virtual ~constant_fcn_space();

  virtual bool invariant() const;

  virtual bool is_ancestor_of(const any* xother) const;

protected:

private:


};

} // namespace fiber_bundle

#endif // ifndef CONSTANT_FCN_SPACE_H