/**********************************************************************

  tetraplanar.cpp - OBTetraPlanarStereo

  Copyright (C) 2009 by Tim Vandermeersch

  This file is part of the Open Babel project.

  For more information, see <http://openbabel.org/>

  This program is free software; you can redistribute it and/or modify

  it under the terms of the GNU General Public License as published by

  the Free Software Foundation; either version 2 of the License, or

  (at your option) any later version.

  This program is distributed in the hope that it will be useful,

  but WITHOUT ANY WARRANTY; without even the implied warranty of

  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License

  along with this program; if not, write to the Free Software

  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

  02110-1301, USA.

 **********************************************************************/

#include <openbabel/stereo/tetraplanar.h>

#include <cassert>

namespace OpenBabel {

  OBTetraPlanarStereo::OBTetraPlanarStereo(OBMol *mol) : OBStereoBase(mol)

  {

  }

  OBTetraPlanarStereo::~OBTetraPlanarStereo()

  {

  }

  /*

  std::vector<unsigned long> OBTetraPlanarStereo::ToInternal(const std::vector<unsigned long> &refs,

      OBStereo::Shape shape)

  {

    assert( refs.size() == 4 );

    std::vector<unsigned long> result(refs);

    switch (shape) {

      case OBStereo::ShapeU:

        // same as internal, just copy

        return result;

      case OBStereo::ShapeZ:

        // normalize to U shape

        result[1] = refs.at(2);

        result[2] = refs.at(3);

        result[3] = refs.at(1);

        return result;

      case OBStereo::Shape4:

        // normalize to U shape

        result[1] = refs.at(2);

        result[2] = refs.at(1);

        return result;

    }

  }

  std::vector<unsigned long> OBTetraPlanarStereo::ToShape(const std::vector<unsigned long> &refs,

      OBStereo::Shape shape)

  {

    assert( refs.size() == 4 );

    std::vector<unsigned long> result(refs);

    switch (shape) {

      case OBStereo::ShapeU:

        // same as internal, just copy

        return result;

      case OBStereo::ShapeZ:

        // convert to U shape

        result[1] = refs.at(3);

        result[2] = refs.at(1);

        result[3] = refs.at(2);

        return result;

      case OBStereo::Shape4:

        // normalize to U shape

        result[1] = refs.at(2);

        result[2] = refs.at(1);

        return result;

    }

  }

  */

}