xref: /libCEED/examples/petsc/qfunctions/bps/common.h (revision 2b730f8b5a9c809740a0b3b302db43a719c636b1)
13d8e8822SJeremy L Thompson // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors.
23d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
3cb32e2e7SValeria Barra //
43d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause
5cb32e2e7SValeria Barra //
63d8e8822SJeremy 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 
14c9c2c079SJeremy L Thompson #include <ceed.h>
15c9c2c079SJeremy L Thompson 
16cb32e2e7SValeria Barra // -----------------------------------------------------------------------------
17*2b730f8bSJeremy L Thompson CEED_QFUNCTION(Error)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
18d4d45553Srezgarshakeri   const CeedScalar *u = in[0], *target = in[1], *q_data = in[2];
199b072555Sjeremylt   CeedScalar       *error = out[0];
20cb32e2e7SValeria Barra   for (CeedInt i = 0; i < Q; i++) {
2138f32c05Srezgarshakeri     error[i] = (u[i] - target[i]) * (u[i] - target[i]) * q_data[i];
22cb32e2e7SValeria Barra   }
23cb32e2e7SValeria Barra   return 0;
24cb32e2e7SValeria Barra }
25cb32e2e7SValeria Barra 
26cb32e2e7SValeria Barra // -----------------------------------------------------------------------------
27*2b730f8bSJeremy L Thompson CEED_QFUNCTION(Error3)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
28d4d45553Srezgarshakeri   const CeedScalar *u = in[0], *target = in[1], *q_data = in[2];
299b072555Sjeremylt   CeedScalar       *error = out[0];
306c88e6a2Srezgarshakeri   for (CeedInt i = 0; i < Q; i++) {
3138f32c05Srezgarshakeri     error[i + 0 * Q] = (u[i + 0 * Q] - target[i + 0 * Q]) * (u[i + 0 * Q] - target[i + 0 * Q]) * q_data[i];
3238f32c05Srezgarshakeri     error[i + 1 * Q] = (u[i + 1 * Q] - target[i + 1 * Q]) * (u[i + 1 * Q] - target[i + 1 * Q]) * q_data[i];
3338f32c05Srezgarshakeri     error[i + 2 * Q] = (u[i + 2 * Q] - target[i + 2 * Q]) * (u[i + 2 * Q] - target[i + 2 * Q]) * q_data[i];
34cb32e2e7SValeria Barra   }
35cb32e2e7SValeria Barra   return 0;
36cb32e2e7SValeria Barra }
37cb32e2e7SValeria Barra // -----------------------------------------------------------------------------
38f6b55d2cSvaleriabarra 
39f6b55d2cSvaleriabarra #endif  // common_h
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