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 *rho = in[0], *u = in[1];
21 CeedScalar *v = out[0];
22 for (CeedInt i = 0; i < Q; i++) {
23 for (CeedInt c = 0; c < 2; c++) v[i + Q * c] = rho[i] * u[i + Q * (c ? 0 : 1)];
24 }
25 return 0;
26 }
27