differentiable_section_evaluator.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 differentiable_section_evaluator

#ifndef DIFFERENTIABLE_SECTION_EVALUATOR_H
#define DIFFERENTIABLE_SECTION_EVALUATOR_H

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

#ifndef SECTION_EVALUATOR_H
#include "SheafSystem/section_evaluator.h"
#endif 

namespace fiber_bundle
{

using namespace sheaf;

class SHEAF_DLL_SPEC differentiable_section_evaluator : public section_evaluator
{

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

public:

  differentiable_section_evaluator(const differentiable_section_evaluator& xother);

  virtual ~differentiable_section_evaluator();
 
  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 = 0;


  void dxi_local(size_type xlocal_coord_index,
                 const block<dof_type>& xsource_dofs,
                 block<dof_type>& xresult_dofs) 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);

  const value_type* jacobian_values() const;

  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:

  differentiable_section_evaluator();

  value_type* _jacobian_values;

private:


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

public:
 
  virtual differentiable_section_evaluator* clone() const = 0;

  virtual differentiable_section_evaluator& operator=(const differentiable_section_evaluator& xother);

  virtual bool invariant() const;

  virtual bool is_ancestor_of(const any* other) const;

protected:

private:


};

//==============================================================================
// NON-MEMBER FUNCTIONS
//==============================================================================

size_t
SHEAF_DLL_SPEC
deep_size(const differentiable_section_evaluator& xe,
          bool xinclude_shallow = true);
 

} // namespace fiber_bundle

#endif // ifndef DIFFERENTIABLE_SECTION_EVALUATOR_H