xref: /libCEED/tests/t406-qfunction.h (revision 3d8e882215d238700cdceb37404f76ca7fa24eaa)
1*3d8e8822SJeremy L Thompson // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors.
2*3d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
3ccec5866SJeremy L Thompson //
4*3d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause
5ccec5866SJeremy L Thompson //
6*3d8e8822SJeremy L Thompson // This file is part of CEED:  http://github.com/ceed
7ccec5866SJeremy L Thompson 
8ccec5866SJeremy L Thompson // Note: intentionally testing strange spacing in '#include's
9ccec5866SJeremy L Thompson #include  <math.h>
10ccec5866SJeremy L Thompson # include   "t406-qfunction-helper.h"
11ccec5866SJeremy L Thompson 
12ccec5866SJeremy L Thompson CEED_QFUNCTION(setup)(void *ctx, const CeedInt Q, const CeedScalar *const *in,
13ccec5866SJeremy L Thompson                       CeedScalar *const *out) {
14ccec5866SJeremy L Thompson   const CeedScalar *w = in[0];
15ccec5866SJeremy L Thompson   CeedScalar *q_data = out[0];
16ccec5866SJeremy L Thompson   for (CeedInt i=0; i<Q; i++) {
17ccec5866SJeremy L Thompson     q_data[i] = w[i];
18ccec5866SJeremy L Thompson   }
19ccec5866SJeremy L Thompson   return 0;
20ccec5866SJeremy L Thompson }
21ccec5866SJeremy L Thompson 
22ccec5866SJeremy L Thompson CEED_QFUNCTION(mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in,
23ccec5866SJeremy L Thompson                      CeedScalar *const *out) {
24ccec5866SJeremy L Thompson   const CeedScalar *q_data = in[0], *u = in[1];
25ccec5866SJeremy L Thompson   CeedScalar *v = out[0];
26ccec5866SJeremy L Thompson   for (CeedInt i=0; i<Q; i++) {
27ccec5866SJeremy L Thompson     v[i] = q_data[i] * (times_two(u[i]) + times_three(u[i])) * sqrt(2.);
28ccec5866SJeremy L Thompson   }
29ccec5866SJeremy L Thompson   return 0;
30ccec5866SJeremy L Thompson }
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