Files
mfem/fem/libceed/diffusion.cpp
T

64 lines
2.3 KiB
C++

// Copyright (c) 2010-2020, Lawrence Livermore National Security, LLC. Produced
// at the Lawrence Livermore National Laboratory. All Rights reserved. See files
// LICENSE and NOTICE for details. LLNL-CODE-806117.
//
// This file is part of the MFEM library. For more information and source code
// availability visit https://mfem.org.
//
// MFEM is free software; you can redistribute it and/or modify it under the
// terms of the BSD-3 license. We welcome feedback and contributions, see file
// CONTRIBUTING.md for details.
#include "diffusion.hpp"
#include "ceed.hpp"
#ifdef MFEM_USE_CEED
#include "diffusion.h"
#endif
namespace mfem
{
void CeedPADiffusionAssemble(const FiniteElementSpace &fes,
const mfem::IntegrationRule &irm, CeedData& ceedData)
{
#ifdef MFEM_USE_CEED
Mesh &mesh = *fes.GetMesh();
// Perform checks for some assumptions made in the Q-functions.
MFEM_VERIFY(mesh.Dimension() == mesh.SpaceDimension(), "case not supported");
MFEM_VERIFY(fes.GetVDim() == 1 || fes.GetVDim() == mesh.Dimension(),
"case not supported");
int dim = mesh.Dimension();
CeedPAOperator diffOp = {fes, irm,
dim * (dim + 1) / 2, "/diffusion.h",
":f_build_diff_const", f_build_diff_const,
":f_build_diff_quad", f_build_diff_quad,
":f_apply_diff", f_apply_diff,
CEED_EVAL_GRAD,
CEED_EVAL_GRAD
};
CeedPAAssemble(diffOp, ceedData);
#else
mfem_error("MFEM must be built with MFEM_USE_CEED=YES to use libCEED.");
#endif
}
void CeedMFDiffusionAssemble(const FiniteElementSpace &fes,
const mfem::IntegrationRule &irm, CeedData& ceedData)
{
#ifdef MFEM_USE_CEED
CeedMFOperator diffOp = {fes, irm,
"/diffusion.h",
":f_apply_diff_mf_const", f_apply_diff_mf_const,
":f_apply_diff_mf_quad", f_apply_diff_mf_quad,
CEED_EVAL_GRAD,
CEED_EVAL_GRAD
};
CeedMFAssemble(diffOp, ceedData);
#else
mfem_error("MFEM must be built with MFEM_USE_CEED=YES to use libCEED.");
#endif
}
} // namespace mfem