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 *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
mass(void * ctx,const CeedInt Q,const CeedScalar * const * in,CeedScalar * const * out)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