xref: /libCEED/rust/libceed-sys/c-src/gallery/mass-vector/ceed-vectormassapply.c (revision d4cc18453651bd0f94c1a2e078b2646a92dafdcc)
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.h>
9 #include <ceed/backend.h>
10 #include <ceed/jit-source/gallery/ceed-vectormassapply.h>
11 #include <string.h>
12 
13 /**
14   @brief Set fields for `CeedQFunction` for applying the mass matrix on a vector system with three components
15 **/
16 static int CeedQFunctionInit_Vector3MassApply(Ceed ceed, const char *requested, CeedQFunction qf) {
17   // Check QFunction name
18   const char *name = "Vector3MassApply";
19   CeedCheck(!strcmp(name, requested), ceed, CEED_ERROR_UNSUPPORTED, "QFunction '%s' does not match requested name: %s", name, requested);
20 
21   // Add QFunction fields
22   const CeedInt num_comp = 3;
23   CeedCall(CeedQFunctionAddInput(qf, "u", num_comp, CEED_EVAL_INTERP));
24   CeedCall(CeedQFunctionAddInput(qf, "qdata", 1, CEED_EVAL_NONE));
25   CeedCall(CeedQFunctionAddOutput(qf, "v", num_comp, CEED_EVAL_INTERP));
26 
27   CeedCall(CeedQFunctionSetUserFlopsEstimate(qf, num_comp));
28 
29   return CEED_ERROR_SUCCESS;
30 }
31 
32 /**
33   @brief Register `CeedQFunction` for applying the mass matrix on a vector system with three components
34 **/
35 CEED_INTERN int CeedQFunctionRegister_Vector3MassApply(void) {
36   return CeedQFunctionRegister("Vector3MassApply", Vector3MassApply_loc, 1, Vector3MassApply, CeedQFunctionInit_Vector3MassApply);
37 }
38