fierz.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/>.

#pragma once

namespace sgl {

    class GExpr;
    class IndexChain;

    void fixFierz(GExpr &expr);
    bool areCanonical(IndexChain const &A, IndexChain const &B);
    void applyGeneralFierz(GExpr &expr, bool twice = false);
    void applyGeneralFierzTwice(GExpr &expr);
}