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
setup(void * ctx,const CeedInt Q,const CeedScalar * const * in,CeedScalar * const * out)10 CEED_QFUNCTION(setup)(void *ctx, const CeedInt Q, const CeedScalar *const *in, 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
times_two(CeedScalar x)19 CEED_QFUNCTION_HELPER CeedScalar times_two(CeedScalar x) { return 2 * x; }
20
mass(void * ctx,const CeedInt Q,const CeedScalar * const * in,CeedScalar * const * out)21 CEED_QFUNCTION(mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
22 const CeedScalar *q_data = in[0], *u = in[1];
23 CeedScalar *v = out[0];
24 for (CeedInt i = 0; i < Q; i++) {
25 v[i] = q_data[i] * times_two(u[i]);
26 }
27 return 0;
28 }
29