TimeDiscretization.cpp

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#include "TimeDiscretization.h"
 
#include "MathLib/LinAlg/MatrixVectorTraits.h"
 
namespace NumLib
{
void BackwardEuler::getWeightedOldX(GlobalVector& y,
                                    GlobalVector const& x_old) const
{
    namespace LinAlg = MathLib::LinAlg;
 
    // y = x_old / delta_t
    LinAlg::copy(x_old, y);
    LinAlg::scale(y, 1.0 / _delta_t);
}
 
}  // end of namespace NumLib