CutConstraint.h

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#pragma once
 
#include <ogdf/basic/Graph.h>
#include <ogdf/basic/List.h>
#include <ogdf/cluster/internal/EdgeVar.h>
#include <ogdf/cluster/internal/basics.h>
 
#include <ostream>
 
namespace abacus {
class Master;
class Sub;
class Variable;
} // namespace abacus
 
namespace ogdf {
namespace cluster_planarity {
 
class CutConstraint : public BaseConstraint {
public:
    CutConstraint(abacus::Master* master, abacus::Sub* sub, List<NodePair>& edges);
 
    virtual ~CutConstraint();
 
    // Computes and returns the coefficient for the given variable
    virtual double coeff(const abacus::Variable* v) const override {
        const EdgeVar* ev = static_cast<const EdgeVar*>(v);
        return static_cast<double>(coeff(ev->sourceNode(), ev->targetNode()));
    }
 
    inline int coeff(const NodePair& n) const override { return coeff(n.source, n.target); }
 
    int coeff(node n1, node n2) const;
 
    void printMe(std::ostream& out) const {
        out << "[CutCon: ";
        for (const NodePair& p : m_cutEdges) {
            out << p << ",";
        }
        out << "]";
    }
 
private:
    // The list containing the node pairs corresponding to the cut edges
    List<NodePair> m_cutEdges;
};
 
}
}