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author | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2017-03-03 08:42:09 +0000 |
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committer | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2017-03-03 08:42:09 +0000 |
commit | 78f3ee686f87c30b19320dc51ce3d611b764ee3c (patch) | |
tree | 79dc0fa194329974c3381ee0e638cc2f532dadc5 /src/Witness_complex/concept/SimplicialComplexForWitness.h | |
parent | f7082d14b1c30b1b5c15741aa4bc183695861d10 (diff) | |
parent | effc4723dfa2604c8c505b0dfff48b4cab8012ca (diff) |
Merge last trunk modifications
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/gudhi_doc_2.0.0@2140 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 7213c9eb7d01812a5dcf0133ca29cfdca6121519
Diffstat (limited to 'src/Witness_complex/concept/SimplicialComplexForWitness.h')
-rw-r--r-- | src/Witness_complex/concept/SimplicialComplexForWitness.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/Witness_complex/concept/SimplicialComplexForWitness.h b/src/Witness_complex/concept/SimplicialComplexForWitness.h new file mode 100644 index 00000000..d78cc83f --- /dev/null +++ b/src/Witness_complex/concept/SimplicialComplexForWitness.h @@ -0,0 +1,100 @@ +/* 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/>. + */ + +#ifndef CONCEPT_WITNESS_COMPLEX_SIMPLICIAL_COMPLEX_FOR_WITNESS_H_ +#define CONCEPT_WITNESS_COMPLEX_SIMPLICIAL_COMPLEX_FOR_WITNESS_H_ + +namespace Gudhi { + +namespace witness_complex { + +/** \brief The concept SimplicialComplexForWitness describes the requirements + * for a type to implement a simplicial complex, + * used for example to build a Witness_complex or Strong_witness_complex. + */ +struct SimplicialComplexForWitness { + /** Handle to specify a simplex. */ + typedef unspecified Simplex_handle; + // /** Handle to specify a vertex. Must be a non-negative integer. */ + // typedef unspecified Vertex_handle; + + /** \brief Returns a Simplex_hanlde that is different from all simplex handles + * of the simplices. */ + Simplex_handle null_simplex(); + + /** Returns the number of vertices in the simplicial complex + */ + std::size_t num_vertices(); + + /** \brief Return type of an insertion of a simplex + */ + typedef unspecified Insertion_result_type; + + /** \brief Inserts a simplex with vertices from a given range + * 'vertex_range' in the simplicial complex. + * The function is only used in Witness_complex class + * and by construction, it is not necessary to check if + * the faces are in the simplicial complex before insertion. + * The simplex is given the filtration value 'filtration'. + * Filtration_value should be convertible from double. + * The return type is not used. + * */ + template< typedef Input_vertex_range > + Insertion_result_type insert_simplex(Input_vertex_range const & vertex_range, Filtration_value filtration); + + /** \brief Inserts a simplex and all its faces + * with vertices from a given range + * 'vertex_range' in the simplicial complex. + * The function is only used in Strong_witness_complex class. + * All inserted simplices are given the filtration + * value 'filtration'. + * Filtration_value should be convertible from double. + * The return type is not used. + */ + + template< typedef Input_vertex_range, + typedef Filtration_value> + Insertion_result_type insert_simplex_and_subfaces(Input_vertex_range const & vertex_range, Filtration_value filtration); + + /** \brief Finds a simplex with vertices given by a range + * + * If a simplex exists, its Simplex_handle is returned. + * Otherwise null_simplex() is returned. */ + template< typedef Input_vertex_range > + Simplex_handle find(Input_vertex_range const & vertex_range); + + /** \brief Sets the dimension of the simplicial complex to + * 'dimension'. + */ + void set_dimension(int dimension); + + /** \brief Returns the filtration of the simplex given by + * the simplex handle 'sh'. + */ + double filtration(Simplex_handle sh); +}; + +} // namespace witness_complex + +} // namespace Gudhi + +#endif // CONCEPT_WITNESS_COMPLEX_SIMPLICIAL_COMPLEX_FOR_WITNESS_H_ |