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https://github.com/OPM/opm-simulators.git
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58 lines
2.4 KiB
C++
58 lines
2.4 KiB
C++
/*
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Copyright 2023 Total SE
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPM_PRIVARSPACKING_HEADER_INCLUDED
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#define OPM_PRIVARSPACKING_HEADER_INCLUDED
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#include <cstddef>
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namespace Opm {
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namespace PVUtil {
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constexpr int fbits = 4;
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template <class PV>
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std::size_t pack(const PV& privar) {
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std::size_t m1 = static_cast<std::size_t>(privar.primaryVarsMeaningWater());
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std::size_t m2 = static_cast<std::size_t>(privar.primaryVarsMeaningPressure());
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std::size_t m3 = static_cast<std::size_t>(privar.primaryVarsMeaningGas());
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std::size_t m4 = static_cast<std::size_t>(privar.primaryVarsMeaningBrine());
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std::size_t m5 = static_cast<std::size_t>(privar.primaryVarsMeaningSolvent());
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return m1 + (m2 << fbits*1) + (m3 << fbits*2) + (m4 << fbits*3) + (m5 << fbits*4);
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}
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template <class PV>
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void unPack(PV& privar, const std::size_t meanings) {
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const std::size_t filter = ((1 << fbits) - 1);
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std::size_t m1 = (meanings >> fbits*0) & filter;
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std::size_t m2 = (meanings >> fbits*1) & filter;
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std::size_t m3 = (meanings >> fbits*2) & filter;
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std::size_t m4 = (meanings >> fbits*3) & filter;
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std::size_t m5 = (meanings >> fbits*4) & filter;
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privar.setPrimaryVarsMeaningWater(typename PV::WaterMeaning(m1));
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privar.setPrimaryVarsMeaningPressure(typename PV::PressureMeaning(m2));
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privar.setPrimaryVarsMeaningGas(typename PV::GasMeaning(m3));
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privar.setPrimaryVarsMeaningBrine(typename PV::BrineMeaning(m4));
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privar.setPrimaryVarsMeaningSolvent(typename PV::SolventMeaning(m5));
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}
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} // namespace PVMeanings
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} // namespace Opm
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#endif // OPM_PRIVARSPACKING_HEADER_INCLUDED
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