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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): Pawel Dlotko
*
* Copyright (C) 2016 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_REAL_VALUED_TOPOLOGICAL_DATA_H_
#define CONCEPT_REAL_VALUED_TOPOLOGICAL_DATA_H_
namespace Gudhi {
namespace Persistence_representations {
/** \brief The concept Real_valued_topological_data describes the requirements
* for a type to implement a container that allows computations of its projections to R.
*/
class Real_valued_topological_data {
public:
/**
* Typically there are various ways data can be projected to R. This function gives us the number of functions for
* vectorization provided by a given class.
**/
size_t number_of_projections_to_R();
/**
* This is a function to compute the projection from this container to reals. The parameter of a function have to
* be between 0 and the value returned by number_of_projections_to_R().
**/
double project_to_R(size_t number_of_projection);
};
} // namespace Persistence_representations
} // namespace Gudhi
#endif // CONCEPT_REAL_VALUED_TOPOLOGICAL_DATA_H_
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