xref: /libCEED/examples/petsc/qfunctions/bps/common.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.
3cb32e2e7SValeria Barra //
4*3d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause
5cb32e2e7SValeria Barra //
6*3d8e8822SJeremy L Thompson // This file is part of CEED:  http://github.com/ceed
7cb32e2e7SValeria Barra 
8cb32e2e7SValeria Barra /// @file
9cb32e2e7SValeria Barra /// libCEED QFunctions for BP examples using PETSc
10cb32e2e7SValeria Barra 
11f6b55d2cSvaleriabarra #ifndef common_h
12f6b55d2cSvaleriabarra #define common_h
13f6b55d2cSvaleriabarra 
14cb32e2e7SValeria Barra // -----------------------------------------------------------------------------
15cb32e2e7SValeria Barra CEED_QFUNCTION(Error)(void *ctx, CeedInt Q,
16cb32e2e7SValeria Barra                       const CeedScalar *const *in, CeedScalar *const *out) {
17cb32e2e7SValeria Barra   const CeedScalar *u = in[0], *target = in[1];
189b072555Sjeremylt   CeedScalar *error = out[0];
19cb32e2e7SValeria Barra   for (CeedInt i=0; i<Q; i++) {
209b072555Sjeremylt     error[i] = u[i] - target[i];
21cb32e2e7SValeria Barra   }
22cb32e2e7SValeria Barra   return 0;
23cb32e2e7SValeria Barra }
24cb32e2e7SValeria Barra 
25cb32e2e7SValeria Barra // -----------------------------------------------------------------------------
26cb32e2e7SValeria Barra CEED_QFUNCTION(Error3)(void *ctx, CeedInt Q,
27cb32e2e7SValeria Barra                        const CeedScalar *const *in, CeedScalar *const *out) {
28cb32e2e7SValeria Barra   const CeedScalar *u = in[0], *target = in[1];
299b072555Sjeremylt   CeedScalar *error = out[0];
30cb32e2e7SValeria Barra   for (CeedInt i=0; i<3*Q; i++) {
319b072555Sjeremylt     error[i] = u[i] - target[i];
32cb32e2e7SValeria Barra   }
33cb32e2e7SValeria Barra   return 0;
34cb32e2e7SValeria Barra }
35cb32e2e7SValeria Barra // -----------------------------------------------------------------------------
36f6b55d2cSvaleriabarra 
37f6b55d2cSvaleriabarra #endif // common_h
38