1*9ba83ac0SJeremy L Thompson // Copyright (c) 2017-2026, 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
8c0b5abf0SJeremy L Thompson #include <ceed/types.h>
9c9c2c079SJeremy L Thompson
setup(void * ctx,const CeedInt Q,const CeedScalar * const * in,CeedScalar * const * out)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
mass(void * ctx,const CeedInt Q,const CeedScalar * const * in,CeedScalar * const * out)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 }
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