1*3d8e8822SJeremy L Thompson // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2*3d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3d965c7a7SJeremy L Thompson // 4*3d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause 5d965c7a7SJeremy L Thompson // 6*3d8e8822SJeremy L Thompson // This file is part of CEED: http://github.com/ceed 7d965c7a7SJeremy L Thompson 8d965c7a7SJeremy L Thompson CEED_QFUNCTION(setup)(void *ctx, const CeedInt Q, 9d965c7a7SJeremy L Thompson const CeedScalar *const *in, 10d965c7a7SJeremy L Thompson 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 19d965c7a7SJeremy L Thompson CEED_QFUNCTION(mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, 20d965c7a7SJeremy L Thompson CeedScalar *const *out) { 21d965c7a7SJeremy L Thompson const CeedScalar *rho = in[0], *u = in[1]; 22d965c7a7SJeremy L Thompson CeedScalar *v = out[0]; 23d965c7a7SJeremy L Thompson for (CeedInt i=0; i<Q; i++) { 24d965c7a7SJeremy L Thompson for (CeedInt c=0; c<2; c++) 25d965c7a7SJeremy L Thompson v[i+Q*c] = rho[i] * u[i+Q*(c ? 0 : 1)]; 26d965c7a7SJeremy L Thompson } 27d965c7a7SJeremy L Thompson return 0; 28d965c7a7SJeremy L Thompson } 29