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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): Siargey Kachanovich
*
* Copyright (C) 2014 INRIA Sophia Antipolis-Méditerranée (France)
*
* 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/>.
*/
/** \brief The concept Simplicial_Complex describes the requirements
* for a type to implement a simplicial complex,
* used for example to build a 'Witness_complex'.
*/
struct Simplicial_complex
{
/** Handle to specify a simplex. */
typedef unspecified Simplex_handle;
/** Handle to specify a vertex. Must be a non-negative integer. */
typedef unspecified Vertex_handle;
/** Returns a Simplex_hanlde that is different from all simplex handles
* of the simplices. */
Simplex_handle null_simplex();
/** \brief Returns the number of simplices in the complex.
*
* Does not count the empty simplex. */
size_t num_simplices();
/** \brief Iterator over the simplices of the complex,
* in an arbitrary order.
*
* 'value_type' must be 'Simplex_handle'.*/
typedef unspecified Complex_simplex_iterator;
typedef unspecified Complex_simplex_range;
/**
* \brief Returns a range over all the simplices of a
* complex.
*/
Complex_simplex_range complex_simplex_range();
/** \brief Iterator over vertices of a simplex.
*
* 'value type' must be 'Vertex_handle'.*/
typedef unspecified Simplex_vertex_range;
/** \brief Returns a range over vertices of a given
* simplex. */
Simplex_vertex_range simplex_vertex_range(Simplex_handle const & simplex);
/** \brief Return type of an insertion of a simplex
*/
typedef unspecified Insertion_result_type;
/** \brief Input range of vertices.
* 'value_type' must be 'Vertex_handle'. */
typedef unspecified Input_vertex_range;
/** \brief Inserts a simplex with vertices from a given range
* 'vertex_range' in the simplicial complex.
* */
Insertion_result_type insert_simplex(Input_vertex_range const & vertex_range);
/** \brief Finds a simplex with vertices given by a range
*
* If a simplex exists, its Simplex_handle is returned.
* Otherwise null_simplex() is returned. */
Simplex_handle find(Input_vertex_range const & vertex_range);
};
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