1 // Copyright (c) 2017-2026, Lawrence Livermore National Security, LLC and other CEED contributors. 2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3 // 4 // SPDX-License-Identifier: BSD-2-Clause 5 // 6 // This file is part of CEED: http://github.com/ceed 7 8 #include <ceed/types.h> 9 10 CEED_QFUNCTION(setup)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 11 const CeedScalar *weight = in[0], *J = in[1]; 12 CeedScalar *rho = out[0]; 13 for (CeedInt i = 0; i < Q; i++) { 14 rho[i] = weight[i] * (J[i + Q * 0] * J[i + Q * 3] - J[i + Q * 1] * J[i + Q * 2]); 15 } 16 return 0; 17 } 18 19 CEED_QFUNCTION(mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 20 const CeedScalar *rho = in[0], *u = in[1]; 21 CeedScalar *v = out[0]; 22 for (CeedInt i = 0; i < Q; i++) { 23 for (CeedInt c = 0; c < 2; c++) v[i + Q * c] = rho[i] * u[i + Q * (c ? 0 : 1)]; 24 } 25 return 0; 26 } 27