xref: /libCEED/examples/fluids/include/petsc_ops.h (revision fad128ee249bc0f09a15094c53347ac2c66a2ff4)
1 // Copyright (c) 2017-2023, 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 #ifndef petsc_ops_h
9 #define petsc_ops_h
10 
11 #include <ceed.h>
12 #include <petscdm.h>
13 #include <petscksp.h>
14 
15 typedef struct OperatorApplyContext_ *OperatorApplyContext;
16 struct OperatorApplyContext_ {
17   DM           dm_x, dm_y;
18   Vec          X_loc, Y_loc;
19   CeedVector   x_ceed, y_ceed;
20   CeedOperator op;
21   Ceed         ceed;
22 };
23 
24 PetscErrorCode OperatorApplyContextCreate(DM dm_x, DM dm_y, Ceed ceed, CeedOperator op_apply, CeedVector x_ceed, CeedVector y_ceed, Vec X_loc,
25                                           Vec Y_loc, OperatorApplyContext *op_apply_ctx);
26 PetscErrorCode OperatorApplyContextDestroy(OperatorApplyContext op_apply_ctx);
27 
28 PetscErrorCode DMGetGlobalVectorInfo(DM dm, PetscInt *local_size, PetscInt *global_size, VecType *vec_type);
29 PetscErrorCode DMGetLocalVectorInfo(DM dm, PetscInt *local_size, PetscInt *global_size, VecType *vec_type);
30 
31 PetscErrorCode VecP2C(Vec X_petsc, PetscMemType *mem_type, CeedVector x_ceed);
32 PetscErrorCode VecC2P(CeedVector x_ceed, PetscMemType mem_type, Vec X_petsc);
33 PetscErrorCode VecReadP2C(Vec X_petsc, PetscMemType *mem_type, CeedVector x_ceed);
34 PetscErrorCode VecReadC2P(CeedVector x_ceed, PetscMemType mem_type, Vec X_petsc);
35 PetscErrorCode VecCopyP2C(Vec X_petsc, CeedVector x_ceed);
36 PetscErrorCode CeedOperatorCreateLocalVecs(CeedOperator op, VecType vec_type, MPI_Comm comm, Vec *input, Vec *output);
37 VecType        DMReturnVecType(DM dm);
38 
39 PetscErrorCode ApplyCeedOperatorGlobalToGlobal(Vec X, Vec Y, OperatorApplyContext ctx);
40 PetscErrorCode ApplyCeedOperatorGlobalToLocal(Vec X, Vec Y_loc, OperatorApplyContext ctx);
41 PetscErrorCode ApplyCeedOperatorLocalToGlobal(Vec X_loc, Vec Y, OperatorApplyContext ctx);
42 PetscErrorCode ApplyCeedOperatorLocalToLocal(Vec X_loc, Vec Y_loc, OperatorApplyContext ctx);
43 PetscErrorCode ApplyAddCeedOperatorLocalToLocal(Vec X_loc, Vec Y_loc, OperatorApplyContext ctx);
44 
45 PetscErrorCode DMGetLocalVectorInfo(DM dm, PetscInt *local_size, PetscInt *global_size, VecType *vec_type);
46 PetscErrorCode DMGetGlobalVectorInfo(DM dm, PetscInt *local_size, PetscInt *global_size, VecType *vec_type);
47 
48 PetscErrorCode CreateSolveOperatorsFromMatCeed(KSP ksp, Mat mat_ceed, PetscBool assemble, Mat *Amat, Mat *Pmat);
49 PetscErrorCode KSPSetFromOptions_WithMatCeed(KSP ksp, Mat mat_ceed);
50 #endif  // petsc_ops_h
51