grec_1.ipp

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/***************************************************************************
*                                                                          *
*   Copyright (C) 2018 by David B. Blumenthal                              *
*                                                                          *
*   This file is part of GEDLIB.                                           *
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*   GEDLIB is free software: you can redistribute it and/or modify it      *
*   under the terms of the GNU Lesser General Public License as published  *
*   by the Free Software Foundation, either version 3 of the License, or   *
*   (at your option) any later version.                                    *
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*   GEDLIB 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 Lesser General Public License for more details.                    *
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*   You should have received a copy of the GNU Lesser General Public       *
*   License along with GEDLIB. If not, see <http://www.gnu.org/licenses/>. *
*                                                                          *
***************************************************************************/

#ifndef SRC_EDIT_COSTS_GREC_1_IPP_
#define SRC_EDIT_COSTS_GREC_1_IPP_


namespace ged {

template<>
GREC1<GXLLabel, GXLLabel>::
~GREC1() {}

template<>
GREC1<GXLLabel, GXLLabel>::
GREC1() {}

template<>
double
GREC1<GXLLabel, GXLLabel>::
node_ins_cost_fun(const GXLLabel & node_label) const {
    return 45;
}

template<>
double
GREC1<GXLLabel, GXLLabel>::
node_del_cost_fun(const GXLLabel & node_label) const {
    return 45;
}

template<>
double
GREC1<GXLLabel, GXLLabel>::
node_rel_cost_fun(const GXLLabel & node_label_1, const GXLLabel & node_label_2) const {
    if (node_label_1.at("type") != node_label_2.at("type")) {
        return  90;
    }
    double x_l_minus_x_r(std::stod(node_label_1.at("x")) - std::stod(node_label_2.at("x")));
    double y_l_minus_y_r(std::stod(node_label_1.at("y")) - std::stod(node_label_2.at("y")));
    return 0.5 * std::sqrt(std::pow(x_l_minus_x_r, 2) + std::pow(y_l_minus_y_r, 2));
}

template<>
double
GREC1<GXLLabel, GXLLabel>::
edge_ins_cost_fun(const GXLLabel & edge_label) const {
    return 7.5 * std::stod(edge_label.at("frequency"));
}

template<>
double
GREC1<GXLLabel, GXLLabel>::
edge_del_cost_fun(const GXLLabel & edge_label) const {
    return 7.5 * std::stod(edge_label.at("frequency"));
}

template<>
double
GREC1<GXLLabel, GXLLabel>::
edge_rel_cost_fun(const GXLLabel & edge_label_1, const GXLLabel & edge_label_2) const {
    if (edge_label_1.at("frequency") != edge_label_2.at("frequency")) {
        return 7.5;
    }
    if (edge_label_1.at("frequency") == "1") {
        if (edge_label_1.at("type0") == edge_label_2.at("type0")) {
            return 0;
        }
        return 15;
    }
    return 0;
}

}


#endif /* SRC_EDIT_COSTS_GREC_1_IPP_ */