quad_connectivity.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 quad_connectivity

#ifndef QUAD_CONNECTIVITY_H
#define QUAD_CONNECTIVITY_H

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

#ifndef BASE_CONNECTIVITY_H
#include "SheafSystem/block_connectivity.h"
#endif

namespace fiber_bundle
{
  
  using namespace sheaf;


class SHEAF_DLL_SPEC quad_connectivity : public block_connectivity
{

public:
  // ===========================================================
  // @name QUAD_CONNECTIVITY FACET
  // ===========================================================

  quad_connectivity();

  quad_connectivity(const quad_connectivity& xother);

  quad_connectivity(const pod_index_type* xnode_ids,
                    size_type xnode_id_ct, 
                    size_type xnode_ct);

  quad_connectivity(size_type xi_size, size_type xj_size, pod_index_type xstart_id = 0);

  virtual ~quad_connectivity();


  enum static_const_int {NODES_PER_ELEMENT = 4}; 

protected:

  void create_connectivity(size_type xi_size, 
               size_type xj_size,
               pod_index_type xstart_id);


private:


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

public:

  virtual cell_type element_type() const;

protected:

private:


  // ===========================================================
  // ANY FACET
  // ===========================================================

   virtual quad_connectivity* clone() const;

//   ///
//   /// Class invariant.
//   ///
   virtual bool invariant() const;

//   ///
//   /// Conformance test; true if other conforms to this
//   ///
   virtual bool is_ancestor_of(const any* other) const;

};
  
} // namespace fiber_bundle

#endif // ifndef QUAD_CONNECTIVITY_H