///////////////////////////////////////////////////////////////////////////////
//
// File: ForcingStabilityCoupledLNS.cpp
//
// For more information, please see: http://www.nektar.info
//
// The MIT License
//
// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
// Department of Aeronautics, Imperial College London (UK), and Scientific
// Computing and Imaging Institute, University of Utah (USA).
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// Description: Copy velocity field into forcing terms for stability
// analysis of coupled solver.
//
///////////////////////////////////////////////////////////////////////////////

#include <IncNavierStokesSolver/Forcing/ForcingStabilityCoupledLNS.h>
#include <MultiRegions/ExpList.h>

namespace Nektar
{

std::string ForcingStabilityCoupledLNS::className =
    SolverUtils::GetForcingFactory().RegisterCreatorFunction(
        "StabilityCoupledLNS", ForcingStabilityCoupledLNS::create,
        "RHS forcing for coupled LNS stability solver");

ForcingStabilityCoupledLNS::ForcingStabilityCoupledLNS(
    const LibUtilities::SessionReaderSharedPtr &pSession,
    const std::weak_ptr<SolverUtils::EquationSystem> &pEquation)
    : Forcing(pSession, pEquation)
{
}

void ForcingStabilityCoupledLNS::v_InitObject(
    [[maybe_unused]] const Array<OneD, MultiRegions::ExpListSharedPtr> &pFields,
    [[maybe_unused]] const unsigned int &pNumForcingFields,
    [[maybe_unused]] const TiXmlElement *pForce)
{
}

void ForcingStabilityCoupledLNS::v_Apply(
    const Array<OneD, MultiRegions::ExpListSharedPtr> &fields,
    [[maybe_unused]] const Array<OneD, Array<OneD, NekDouble>> &inarray,
    Array<OneD, Array<OneD, NekDouble>> &outarray,
    [[maybe_unused]] const NekDouble &time)
{
    size_t npts = fields[0]->GetTotPoints();

    ASSERTL1(fields.size() == outarray.size(),
             "Fields and outarray are of different size");

    // Apply m_forcing terms
    for (size_t i = 0; i < fields.size(); i++)
    {
        Vmath::Vadd(npts, fields[i]->GetPhys(), 1, outarray[i], 1, outarray[i],
                    1);
    }
}

} // namespace Nektar
