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/* This file is part of the Gudhi Library. The Gudhi library
* (Geometric Understanding in Higher Dimensions) is a generic C++
* library for computational topology.
*
* Author(s): David Salinas
*
* Copyright (C) 2014 INRIA
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef CONCEPT_SKELETON_BLOCKER_SKELETONBLOCKERGEOMETRICDS_H_
#define CONCEPT_SKELETON_BLOCKER_SKELETONBLOCKERGEOMETRICDS_H_
namespace Gudhi {
namespace skeleton_blocker {
/**
* \brief Concept for template class of Skeleton_blocker_geometric_complex .
* It must specify a GeometryTrait which contains a Point definition.
*
* Graph_vertex must specify how to access to a point.
* Graph_edge must specify how to access to an index.
*
*/
// TODO(DS): the index is just for contraction, to remove
template<typename GeometryTrait>
struct SkeletonBlockerGeometricDS : public SkeletonBlockerDS {
/**
* Geometry information.
*/
typedef GeometryTrait GT;
/**
* Type of point (should be the same as GT::Point).
*/
typedef typename GeometryTrait::Point Point;
/**
* @brief Vertex that stores a point.
*/
class Graph_vertex : public SkeletonBlockerDS::Graph_vertex {
public:
/**
* @brief Access to the point.
*/
Point& point();
/**
* @brief Access to the point.
*/
const Point& point();
};
/**
* @brief Edge that allows to access to an index.
* The indices of the edges are used to store heap information
* in the edge contraction algorithm.
*/
class Graph_Edge : public SkeletonBlockerDS::Graph_edge {
public:
/**
* @brief Access to the index.
*/
int& index();
/**
* @brief Access to the index.
*/
int index();
};
};
} // namespace skeleton_blocker
namespace skbl = skeleton_blocker;
} // namespace Gudhi
#endif // CONCEPT_SKELETON_BLOCKER_SKELETONBLOCKERGEOMETRICDS_H_
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