73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
// Copyright (c) 2010-2025, Lawrence Livermore National Security, LLC. Produced
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// at the Lawrence Livermore National Laboratory. All Rights reserved. See files
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// LICENSE and NOTICE for details. LLNL-CODE-806117.
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//
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// This file is part of the MFEM library. For more information and source code
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// availability visit https://mfem.org.
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//
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// MFEM is free software; you can redistribute it and/or modify it under the
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// terms of the BSD-3 license. We welcome feedback and contributions, see file
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// CONTRIBUTING.md for details.
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#include "../bilininteg.hpp"
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#include "../gridfunc.hpp"
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#include "../ceed/integrators/mass/mass.hpp"
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namespace mfem
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{
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void VectorMassIntegrator::AssembleMF(const FiniteElementSpace &fes)
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{
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// Assuming the same element type
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Mesh *mesh = fes.GetMesh();
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const FiniteElement &el = *fes.GetTypicalFE();
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ElementTransformation *T = mesh->GetTypicalElementTransformation();
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const IntegrationRule *ir
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= IntRule ? IntRule : &MassIntegrator::GetRule(el, el, *T);
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if (DeviceCanUseCeed())
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{
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delete ceedOp;
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const bool mixed = mesh->GetNumGeometries(mesh->Dimension()) > 1 ||
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fes.IsVariableOrder();
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if (mixed)
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{
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ceedOp = new ceed::MixedMFMassIntegrator(*this, fes, Q);
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}
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else
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{
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ceedOp = new ceed::MFMassIntegrator(fes, *ir, Q);
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}
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return;
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}
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MFEM_ABORT("Error: VectorMassIntegrator::AssembleMF only implemented with"
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" libCEED");
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}
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void VectorMassIntegrator::AddMultMF(const Vector &x, Vector &y) const
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{
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if (DeviceCanUseCeed())
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{
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ceedOp->AddMult(x, y);
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}
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else
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{
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MFEM_ABORT("Error: VectorMassIntegrator::AddMultMF only implemented with"
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" libCEED");
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}
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}
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void VectorMassIntegrator::AssembleDiagonalMF(Vector &diag)
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{
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if (DeviceCanUseCeed())
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{
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ceedOp->GetDiagonal(diag);
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}
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else
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{
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MFEM_ABORT("Error: VectorMassIntegrator::AssembleDiagonalMF only"
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" implemented with libCEED");
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}
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}
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} // namespace mfem
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