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
SetupMass(void * ctx,const CeedInt Q,const CeedScalar * const * in,CeedScalar * const * out)10 CEED_QFUNCTION(SetupMass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
11 const CeedScalar(*J)[3][CEED_Q_VLA] = (const CeedScalar(*)[3][CEED_Q_VLA])in[0];
12 const CeedScalar *w = in[1];
13 CeedScalar *q_data = out[0];
14
15 // Quadrature point loop
16 CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) {
17 const CeedScalar B11 = J[1][1][i] * J[2][2][i] - J[1][2][i] * J[2][1][i];
18 const CeedScalar B12 = J[0][2][i] * J[2][1][i] - J[0][1][i] * J[2][2][i];
19 const CeedScalar B13 = J[0][1][i] * J[1][2][i] - J[0][2][i] * J[1][1][i];
20
21 q_data[i] = w[i] * (J[0][0][i] * B11 + J[1][0][i] * B12 + J[2][0][i] * B13);
22 }
23 return 0;
24 }
25
Mass(void * ctx,const CeedInt Q,const CeedScalar * const * in,CeedScalar * const * out)26 CEED_QFUNCTION(Mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
27 const CeedScalar *rho = (const CeedScalar *)in[0];
28 const CeedScalar(*u)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[1];
29 CeedScalar(*v)[CEED_Q_VLA] = (CeedScalar(*)[CEED_Q_VLA])out[0];
30
31 const CeedInt num_comp = *(CeedInt *)ctx;
32 // Quadrature point loop
33 CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) {
34 for (CeedInt j = 0; j < num_comp; j++) v[j][i] = rho[i] * u[j][i];
35 }
36 return 0;
37 }
38