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/* This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
* See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
* Author(s): Vincent Rouvreau
*
* Copyright (C) 2016 Inria
*
* Modification(s):
* - YYYY/MM Author: Description of the modification
*/
#ifndef INCLUDE_ALPHA_COMPLEX_INTERFACE_H_
#define INCLUDE_ALPHA_COMPLEX_INTERFACE_H_
#include "Alpha_complex_factory.h"
#include <gudhi/Alpha_complex_options.h>
#include "Simplex_tree_interface.h"
#include <iostream>
#include <vector>
#include <string>
#include <memory> // for std::unique_ptr
namespace Gudhi {
namespace alpha_complex {
class Alpha_complex_interface {
public:
Alpha_complex_interface(const std::vector<std::vector<double>>& points,
const std::vector<double>& weights,
bool fast_version, bool exact_version) {
const bool weighted = (weights.size() > 0);
if (fast_version) {
if (weighted) {
alpha_ptr_ = std::make_unique<Inexact_alpha_complex_dD<true>>(points, weights);
} else {
alpha_ptr_ = std::make_unique<Inexact_alpha_complex_dD<false>>(points);
}
} else {
if (weighted) {
alpha_ptr_ = std::make_unique<Exact_alpha_complex_dD<true>>(points, weights, exact_version);
} else {
alpha_ptr_ = std::make_unique<Exact_alpha_complex_dD<false>>(points, exact_version);
}
}
}
std::vector<double> get_point(int vh) {
return alpha_ptr_->get_point(vh);
}
void create_simplex_tree(Simplex_tree_interface<>* simplex_tree, double max_alpha_square,
bool default_filtration_value) {
// Nothing to be done in case of an empty point set
if (alpha_ptr_->num_vertices() > 0)
alpha_ptr_->create_simplex_tree(simplex_tree, max_alpha_square, default_filtration_value);
}
static void set_float_relative_precision(double precision) {
// cf. Exact_alpha_complex_dD kernel type in Alpha_complex_factory.h
CGAL::Epeck_d<CGAL::Dynamic_dimension_tag>::FT::set_relative_precision_of_to_double(precision);
}
static double get_float_relative_precision() {
// cf. Exact_alpha_complex_dD kernel type in Alpha_complex_factory.h
return CGAL::Epeck_d<CGAL::Dynamic_dimension_tag>::FT::get_relative_precision_of_to_double();
}
private:
std::unique_ptr<Abstract_alpha_complex> alpha_ptr_;
};
} // namespace alpha_complex
} // namespace Gudhi
#endif // INCLUDE_ALPHA_COMPLEX_INTERFACE_H_
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