Meshline.h

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#ifndef MESHLINE_H
#define MESHLINE_H

#include "Streamable.h"
#include <vector>

namespace LR {

enum meshlineExtension {
        ELONGATION,
        MERGING,
        NEWLINE,
        INITIAL
};

class Basisfunction;
class Element;

class Meshline : public Streamable {

public:
        Meshline();
        Meshline(bool span_u_line, double const_par, double start, double stop, int multiplicity);
        ~Meshline();
        Meshline* copy();

        int nKnotsIn(Basisfunction *basis) const;
        bool splits(Basisfunction *basis) const;
        bool touches(Basisfunction *basis) const;
        bool splits(Element *el) const;
        bool touches(Element *el) const;

        bool is_spanning_u() const;

        bool operator==(const Meshline &other) const;

        virtual void read(std::istream &is);
        virtual void write(std::ostream &os) const;
        virtual void writeMore(std::ostream &os) const;

// private:
        bool span_u_line_;
        double const_par_;
        double start_;
        double stop_;
        int multiplicity_;

// even more private (only used for linear independence testing)
        enum meshlineExtension type_;

};

} // end namespace LR

#endif