Chaste  Release::3.4
PCTwoLevelsBlockDiagonal.hpp
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35 
36 #ifndef PCTWOLEVELSBLOCKDIAGONAL_HPP_
37 #define PCTWOLEVELSBLOCKDIAGONAL_HPP_
38 
39 #include <cassert>
40 #include <petscvec.h>
41 #include <petscmat.h>
42 #include <petscksp.h>
43 #include <petscpc.h>
44 #include "PetscTools.hpp"
45 
56 #if (PETSC_VERSION_MAJOR == 3 && PETSC_VERSION_MINOR >= 1) //PETSc 3.1 or later
57 PetscErrorCode PCTwoLevelsBlockDiagonalApply(PC pc_context, Vec x, Vec y);
58 #else
59 PetscErrorCode PCTwoLevelsBlockDiagonalApply(void* pc_context, Vec x, Vec y);
60 #endif
61 
63 
87 {
88 public:
89 
93  typedef struct{
106  VecScatter A11_scatter_ctx;
107  VecScatter A22_B1_scatter_ctx;
108  VecScatter A22_B2_scatter_ctx;
111 
115 public:
116 
123  PCTwoLevelsBlockDiagonal(KSP& rKspObject, std::vector<PetscInt>& rBathNodes);
124 
129 
130 private:
131 
138  void PCTwoLevelsBlockDiagonalCreate(KSP& rKspObject, std::vector<PetscInt>& rBathNodes);
139 
144 };
145 
146 #endif /*PCTWOLEVELSBLOCKDIAGONAL_HPP_*/
PCTwoLevelsBlockDiagonalContext mPCContext
void PCTwoLevelsBlockDiagonalCreate(KSP &rKspObject, std::vector< PetscInt > &rBathNodes)
PCTwoLevelsBlockDiagonal(KSP &rKspObject, std::vector< PetscInt > &rBathNodes)