body_builder.h

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//
// 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.
//


#ifndef BODY_BUILDER_H
#define BODY_BUILDER_H

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

#ifndef ANY_H
#include "SheafSystem/any.h"
#endif

#ifndef FIELDS_H
#include "SheafSystem/fields.h"
#endif

namespace sheaf
{
template <class T>
class block;
class subposet;
}

namespace fiber_bundle
{
class base_space_poset;
class section_evaluator;
}

namespace fields
{

class field_vd;

class SHEAF_DLL_SPEC body_builder : public any
{

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

public:

  typedef chart_point_coord_type coord_type;

  typedef sec_vd_value_type value_type;

  typedef sec_vd_dof_type dof_type;

  body_builder();

  // Copy constructor not implemented;
  // default memberwise copy will do.

  virtual ~body_builder();

  block<scoped_index>* build(field_vd& xfield,
                 value_type xlower,
                 value_type xupper);

  void build_pa(field_vd& xfield,
                value_type xlower,
                value_type xupper,
                block<scoped_index>& xresult);


private:

  void select_evaluation_members(const field_vd& xfield,
                                 value_type xlower,
                                 value_type xupper,
                                 subposet& xselected);

  bool interval_contains_field(const section_evaluator& xeval,
                               const block<dof_type>& xdofs,
                               value_type xlower,
                               value_type xupper) const;

  void find_contiguous_neighborhood(const base_space_poset& xbase_space,
                                    subposet& xselected,
                                    const scoped_index& xindex,
                                    block<scoped_index>& xresult);



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

public:

  virtual bool is_ancestor_of(const any* xother) const;

  virtual body_builder* clone() const;

  // Assignment operator not implemented;
  // default memberwise assignment will do.

  virtual bool invariant() const;


};

// ===========================================================
// NON-MEMBER FUNCTIONS
// ===========================================================
 
} // namespace fields

#endif // ifndef BODY_BUILDER_H