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 *w = in[0]; 12 CeedScalar *q_data = out[0]; 13 for (CeedInt i=0; i<Q; i++) { 14 q_data[i] = w[i]; 15 } 16 return 0; 17 } 18 19 CEED_QFUNCTION_HELPER CeedScalar times_two(CeedScalar x) { 20 return 2 * x; 21 } 22 23 CEED_QFUNCTION(mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, 24 CeedScalar *const *out) { 25 const CeedScalar *q_data = in[0], *u = in[1]; 26 CeedScalar *v = out[0]; 27 for (CeedInt i=0; i<Q; i++) { 28 v[i] = q_data[i] * times_two(u[i]); 29 } 30 return 0; 31 } 32