1 // Copyright (c) 2017-2022, 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 CEED_QFUNCTION(setup)(void *ctx, const CeedInt Q, 9 const CeedScalar *const *in, 10 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, 20 CeedScalar *const *out) { 21 // *INDENT-OFF* 22 const CeedScalar (*q_data) = (const CeedScalar(*))in[0], 23 (*u)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[1]; 24 CeedScalar (*v)[CEED_Q_VLA] = (CeedScalar(*)[CEED_Q_VLA])out[0]; 25 // *INDENT-ON* 26 27 const CeedScalar num_comp = 2; 28 const CeedScalar scale[2][2] = { 29 {1.0, 2.0}, 30 {3.0, 4.0}, 31 }; 32 33 for (CeedInt i = 0; i < Q; i++) { 34 for (CeedInt c_out = 0; c_out < num_comp; c_out++) { 35 v[c_out][i] = 0.0; 36 for (CeedInt c_in = 0; c_in < num_comp; c_in++) { 37 v[c_out][i] += q_data[i] * u[c_in][i] * scale[c_in][c_out]; 38 } 39 } 40 } 41 return 0; 42 } 43