algebraState.h

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// This file is part of MARTY.
// 
// MARTY 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 3 of the License, or
// (at your option) any later version.
// 
// MARTY 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 MARTY. If not, see <https://www.gnu.org/licenses/>.

#ifndef ALGEBRA_STATE_H_INCLUDED
#define ALGEBRA_STATE_H_INCLUDED

#include <vector>
#include <string>

namespace mty {

class AlgebraState: public std::vector<int>{

    public:

    AlgebraState()
        :std::vector<int>(){}

    explicit
    AlgebraState(const std::vector<int>& vec)
        :std::vector<int>(vec){}

    AlgebraState applyAnnihilator(const std::vector<int>& shifts) const;

    int eigenValue(const std::vector<int>& root,
                   const std::vector<int>& normRoots,
                   int                     normLambda) const;

    std::vector<int> getLabels() const;

    inline bool operator<(AlgebraState const &other) const {
        return static_cast<std::vector<int>>(*this) < other;
    }

    friend
    std::ostream& operator<<(std::ostream&       fout,
                             const AlgebraState& state);
};

} // End of namespace mty

#endif