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 #include <ceed.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(*q_data) = (const CeedScalar(*))in[0], (*u)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[1]; 21 CeedScalar(*v)[CEED_Q_VLA] = (CeedScalar(*)[CEED_Q_VLA])out[0]; 22 23 const CeedScalar num_comp = 2; 24 const CeedScalar scale[2][2] = { 25 {1.0, 2.0}, 26 {3.0, 4.0}, 27 }; 28 29 for (CeedInt i = 0; i < Q; i++) { 30 for (CeedInt c_out = 0; c_out < num_comp; c_out++) { 31 v[c_out][i] = 0.0; 32 for (CeedInt c_in = 0; c_in < num_comp; c_in++) { 33 v[c_out][i] += q_data[i] * u[c_in][i] * scale[c_in][c_out]; 34 } 35 } 36 } 37 return 0; 38 } 39