1*9ba83ac0SJeremy L Thompson // Copyright (c) 2017-2026, Lawrence Livermore National Security, LLC and other CEED contributors.
21b95d8c6SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
31b95d8c6SJeremy L Thompson //
41b95d8c6SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause
51b95d8c6SJeremy L Thompson //
61b95d8c6SJeremy L Thompson // This file is part of CEED: http://github.com/ceed
71b95d8c6SJeremy L Thompson
81b95d8c6SJeremy L Thompson #include <ceed/types.h>
91b95d8c6SJeremy L Thompson
setup(void * ctx,const CeedInt Q,const CeedScalar * const * in,CeedScalar * const * out)101b95d8c6SJeremy L Thompson CEED_QFUNCTION(setup)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
111b95d8c6SJeremy L Thompson const CeedScalar *weight = in[0], *J = in[1];
121b95d8c6SJeremy L Thompson CeedScalar *rho = out[0];
131b95d8c6SJeremy L Thompson
141b95d8c6SJeremy L Thompson for (CeedInt i = 0; i < Q; i++) {
151b95d8c6SJeremy L Thompson rho[i] = weight[i] * (J[i + Q * 0] * J[i + Q * 3] - J[i + Q * 1] * J[i + Q * 2]);
161b95d8c6SJeremy L Thompson }
171b95d8c6SJeremy L Thompson return 0;
181b95d8c6SJeremy L Thompson }
191b95d8c6SJeremy L Thompson
mass(void * ctx,const CeedInt Q,const CeedScalar * const * in,CeedScalar * const * out)201b95d8c6SJeremy L Thompson CEED_QFUNCTION(mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
211b95d8c6SJeremy L Thompson CeedInt num_comp = *(CeedInt *)ctx;
221b95d8c6SJeremy L Thompson const CeedScalar *rho = in[0], *u = in[1];
231b95d8c6SJeremy L Thompson CeedScalar *v = out[0];
241b95d8c6SJeremy L Thompson
251b95d8c6SJeremy L Thompson for (CeedInt i = 0; i < Q; i++) {
261b95d8c6SJeremy L Thompson for (CeedInt c = 0; c < num_comp; c++) v[i + c * Q] = rho[i] * c * u[i + c * Q];
271b95d8c6SJeremy L Thompson }
281b95d8c6SJeremy L Thompson return 0;
291b95d8c6SJeremy L Thompson }
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