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#pragma once
#include <functional>
#include <limits>
#include <random>
#include <set>
#include <string>
#include <utility>
#include <valarray>
#include <vector>
#include "array_hash.hpp"
#include "clusters.hpp"
#include "current_info.hpp"
#include "graph.hpp"
#include "hooks.hpp"
#include "problem.hpp"
#define CURRENT_CUTOFF 1e-10
class fuse_network;
class elastic_network;
class percolation_network;
class network {
friend class fuse_network;
friend class elastic_network;
friend class percolation_network;
private:
problem px;
problem py;
std::unordered_map<std::array<unsigned, 2>, bool> seen_pairs;
void update_backbone(const std::vector<double>& c);
void break_edge(unsigned, bool unbreak = false);
void get_cycle_edges_helper(std::set<unsigned>&, std::set<unsigned>&, unsigned, unsigned) const;
bool find_cycle_helper(std::array<unsigned, 2>&, const std::set<unsigned>&, unsigned, unsigned,
unsigned) const;
bool get_cycle_helper(std::array<unsigned, 2>&, std::set<unsigned>&, const std::set<unsigned>&, unsigned, unsigned,
unsigned) const;
std::array<unsigned, 2> find_cycle(const std::set<unsigned>&, unsigned, unsigned) const;
void get_cluster_edges_helper(std::set<unsigned>&, unsigned) const;
std::set<unsigned> get_cluster_edges(unsigned) const;
void get_tie_flaps_helper(std::set<unsigned>&, unsigned, unsigned) const;
std::list<std::set<unsigned>> get_tie_flaps(unsigned) const;
public:
const graph& G;
ClusterTree C;
std::vector<bool> fuses;
std::vector<bool> backbone;
std::vector<long double> thresholds;
network(const graph&, cholmod_common*);
void set_thresholds(double, std::mt19937&);
void fracture(hooks&);
std::set<unsigned> get_cycle_edges(unsigned) const;
std::pair<std::array<unsigned, 2>, std::set<unsigned>> get_cycle(const std::set<unsigned>&, unsigned, unsigned) const;
virtual current_info get_current_info() {
current_info empty;
return empty;
};
std::string write();
};
class fuse_network : public network {
private:
double weight;
public:
fuse_network(const graph&, cholmod_common*, double weight = 1.0);
fuse_network(const fuse_network&);
current_info get_current_info() override;
};
class elastic_network : public network {
private:
double weight;
public:
elastic_network(const graph&, cholmod_common*, double weight = 0.5);
elastic_network(const elastic_network&);
current_info get_current_info() override;
};
class percolation_network : public network {
public:
percolation_network(const graph&, cholmod_common*);
percolation_network(const percolation_network&);
current_info get_current_info() override;
};
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