base_matrix.h

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/*PGR-GNU*****************************************************************
 
FILE: matrix.h
 
Copyright (c) 2015 pgRouting developers
Mail: [email protected]
 
------
 
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 2 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 ********************************************************************PGR-GNU*/
 
#ifndef INCLUDE_CPP_COMMON_BASE_MATRIX_H_
#define INCLUDE_CPP_COMMON_BASE_MATRIX_H_
#pragma once
 
#include <iosfwd>
#include <vector>
#include <map>
#include <utility>
#include <cstdint>
 
#include "c_types/typedefs.h"
#include "cpp_common/identifiers.hpp"
 
#include "structures/generic/matrix.h"
 
typedef struct Matrix_cell_t Matrix_cell_t;
 
namespace vrprouting {
namespace base {
 
 
class Base_Matrix {
 public:
    Base_Matrix() = default;
    Base_Matrix(Matrix_cell_t *, size_t, const Identifiers<Id>&, Multiplier);
    Base_Matrix(Vroom_matrix_t *, size_t, const Identifiers<Id> &, double);
    explicit Base_Matrix(const std::map<std::pair<Coordinate, Coordinate>, Id> &, Multiplier);
 
    bool has_no_infinity() const;
 
    vroom::Matrix<vroom::Duration> get_vroom_duration_matrix() const;
    vroom::Matrix<vroom::Cost> get_vroom_cost_matrix() const;
 
    bool obeys_triangle_inequality() const;
    size_t fix_triangle_inequality(size_t depth = 0);
 
    bool empty() const {return m_ids.empty();}
 
    size_t size() const {return m_ids.size();}
 
    bool is_symmetric() const;
 
    TInterval at(Idx i, Idx j) const {return m_time_matrix[i][j];}
 
 
    friend std::ostream& operator<<(
            std::ostream &log,
            const Base_Matrix &matrix);
 
    bool has_id(Id) const;
 
    Idx get_index(Id) const;
 
    Id get_original_id(Idx) const;
 
 private:
    void set_ids(const std::vector<Matrix_cell_t> &);
 
    std::vector<Id> m_ids;
 
    std::vector<std::vector<TInterval>> m_time_matrix;
 
    std::vector<std::vector<TravelCost>> m_cost_matrix;
};
 
}  // namespace base
}  // namespace vrprouting
 
#endif  // INCLUDE_CPP_COMMON_BASE_MATRIX_H_