// This file is part of GQCG-GQCP.
//
// Copyright (C) 2017-2020  the GQCG developers
//
// GQCG-GQCP 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.
//
// GQCG-GQCP 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.
//
// You should have received a copy of the GNU Lesser General Public License
// along with GQCG-GQCP.  If not, see <http://www.gnu.org/licenses/>.


#include "Partition/SpinUnresolvedElectronPartition.hpp"


namespace GQCP {


/*
 *  MARK: General info
 */

/**
 *  @return The electron partition string representation.
 */
std::string SpinUnresolvedElectronPartition::asString() const {
    std::string s;

    for (size_t i = 0; i < this->dimension(); i++) {
        s += std::to_string(this->operator()(i)) + "e / ";
    }
    return s.substr(0, s.length() - 3);
}


/**
 *  @return     The number of electrons the partition contains.
 */
size_t SpinUnresolvedElectronPartition::numberOfElectrons() const { return std::reduce(this->partition.begin(), this->partition.end()); }


}  // namespace GQCP
