1*5aed82e4SJeremy L Thompson // Copyright (c) 2017-2024, Lawrence Livermore National Security, LLC and other CEED contributors. 23d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3d965c7a7SJeremy L Thompson // 43d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause 5d965c7a7SJeremy L Thompson // 63d8e8822SJeremy L Thompson // This file is part of CEED: http://github.com/ceed 7d965c7a7SJeremy L Thompson 8c9c2c079SJeremy L Thompson #include <ceed.h> 9c9c2c079SJeremy L Thompson 102b730f8bSJeremy L Thompson CEED_QFUNCTION(setup)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 11d965c7a7SJeremy L Thompson const CeedScalar *weight = in[0], *J = in[1]; 12d965c7a7SJeremy L Thompson CeedScalar *rho = out[0]; 13d965c7a7SJeremy L Thompson for (CeedInt i = 0; i < Q; i++) { 14d965c7a7SJeremy L Thompson rho[i] = weight[i] * (J[i + Q * 0] * J[i + Q * 3] - J[i + Q * 1] * J[i + Q * 2]); 15d965c7a7SJeremy L Thompson } 16d965c7a7SJeremy L Thompson return 0; 17d965c7a7SJeremy L Thompson } 18d965c7a7SJeremy L Thompson 192b730f8bSJeremy L Thompson CEED_QFUNCTION(mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 20d965c7a7SJeremy L Thompson const CeedScalar *rho = in[0], *u = in[1]; 21d965c7a7SJeremy L Thompson CeedScalar *v = out[0]; 22d965c7a7SJeremy L Thompson for (CeedInt i = 0; i < Q; i++) { 232b730f8bSJeremy L Thompson for (CeedInt c = 0; c < 2; c++) v[i + Q * c] = rho[i] * u[i + Q * (c ? 0 : 1)]; 24d965c7a7SJeremy L Thompson } 25d965c7a7SJeremy L Thompson return 0; 26d965c7a7SJeremy L Thompson } 27