constant_triangle.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_triangle

#ifndef CONSTANT_TRIANGLE_H
#define CONSTANT_TRIANGLE_H

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

#ifndef CONSTANT_FCN_SPACE_H
#include "SheafSystem/constant_fcn_space.h"
#endif

namespace fiber_bundle
{

class SHEAF_DLL_SPEC constant_triangle : public constant_fcn_space
{

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public:

  constant_triangle();

  constant_triangle(const constant_triangle& xother);

protected:

private:


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public:

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protected:

  enum domain_constants {DB=2};

  value_type _basis_deriv_value_buffer[int(DB)*int(DL)];

private:


  // ===========================================================
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public:

  virtual value_type volume(const dof_type xcoord_dofs[],
                            size_type xcoord_dofs_ub,
                            size_type xdf); 

protected:

private:


  // ===========================================================
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public:

protected:

private:


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public:

  virtual int db() const;

  virtual void local_coordinates(pod_index_type xindex,
                                 coord_type xresult[],
                                 size_type xresult_ub) const;
  virtual void center(coord_type xresult[], size_type xresult_ub) const;

  virtual bool in_standard_domain(const dof_type xlocal_coords[], size_type xlocal_coords_ub) const;

protected:

private:


  // ===========================================================
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public:

  virtual constant_triangle* clone() const;

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

  constant_triangle& operator=(const constant_triangle& xother);

  virtual ~constant_triangle();

  virtual bool invariant() const;

  virtual bool is_ancestor_of(const any* xother) const;

protected:

private:


};

} // namespace fiber_bundle

#endif // ifndef CONSTANT_TRIANGLE_H