#include <PCLDUFactorisation.hpp>
Collaboration diagram for PCLDUFactorisation::PCLDUFactorisationContext:Public Attributes | |
| Mat | A11_matrix_subblock |
| Mat | A22_matrix_subblock |
| Mat | B_matrix_subblock |
| PC | PC_amg_A11 |
| PC | PC_amg_A22 |
| Vec | x1_subvector |
| Vec | x2_subvector |
| Vec | y1_subvector |
| Vec | y2_subvector |
| Vec | z |
| Vec | temp |
| VecScatter | A11_scatter_ctx |
| VecScatter | A22_scatter_ctx |
Detailed Description
This struct defines the state of the preconditioner (initialised data and objects to be reused).
Definition at line 114 of file PCLDUFactorisation.hpp.
Member Data Documentation
| Mat PCLDUFactorisation::PCLDUFactorisationContext::A11_matrix_subblock |
Mat object that stores the A11 subblock.
Definition at line 115 of file PCLDUFactorisation.hpp.
Referenced by PCLDUFactorisation::PCLDUFactorisationCreate(), and PCLDUFactorisation::PCLDUFactorisationSetUp().
| VecScatter PCLDUFactorisation::PCLDUFactorisationContext::A11_scatter_ctx |
Scattering context: gather x1 from x and scatter y1 back into y
Definition at line 126 of file PCLDUFactorisation.hpp.
Referenced by PCLDUFactorisation::PCLDUFactorisationCreate().
| Mat PCLDUFactorisation::PCLDUFactorisationContext::A22_matrix_subblock |
Mat object that stores the A22 subblock.
Definition at line 116 of file PCLDUFactorisation.hpp.
Referenced by PCLDUFactorisation::PCLDUFactorisationCreate(), and PCLDUFactorisation::PCLDUFactorisationSetUp().
| VecScatter PCLDUFactorisation::PCLDUFactorisationContext::A22_scatter_ctx |
Scattering context: gather x2 from x and scatter y2 back into y
Definition at line 127 of file PCLDUFactorisation.hpp.
Referenced by PCLDUFactorisation::PCLDUFactorisationCreate().
| Mat PCLDUFactorisation::PCLDUFactorisationContext::B_matrix_subblock |
Mat object that stores the B subblock.
Definition at line 117 of file PCLDUFactorisation.hpp.
Referenced by PCLDUFactorisation::PCLDUFactorisationCreate().
| PC PCLDUFactorisation::PCLDUFactorisationContext::PC_amg_A11 |
inv(A11) is approximated by an AMG cycle. We compute it with HYPRE via a PC object. See
- Todo:
- don't create this every iteration but save it first time is needed.
Definition at line 118 of file PCLDUFactorisation.hpp.
Referenced by PCLDUFactorisation::PCLDUFactorisationSetUp().
| PC PCLDUFactorisation::PCLDUFactorisationContext::PC_amg_A22 |
inv(A22) is approximated by an AMG cycle. We compute it with HYPRE via a PC object. See
- Todo:
- don't create this every iteration but save it first time is needed.
Definition at line 119 of file PCLDUFactorisation.hpp.
Referenced by PCLDUFactorisation::PCLDUFactorisationSetUp().
| Vec PCLDUFactorisation::PCLDUFactorisationContext::temp |
Used to store intermediate results
Definition at line 125 of file PCLDUFactorisation.hpp.
Referenced by PCLDUFactorisation::PCLDUFactorisationCreate().
| Vec PCLDUFactorisation::PCLDUFactorisationContext::x1_subvector |
Used to store the first half of the vector to be preconditioned
Definition at line 120 of file PCLDUFactorisation.hpp.
Referenced by PCLDUFactorisation::PCLDUFactorisationCreate().
| Vec PCLDUFactorisation::PCLDUFactorisationContext::x2_subvector |
Used to store the second half of the vector to be preconditioned
Definition at line 121 of file PCLDUFactorisation.hpp.
Referenced by PCLDUFactorisation::PCLDUFactorisationCreate().
| Vec PCLDUFactorisation::PCLDUFactorisationContext::y1_subvector |
Used to store the first half of the preconditioned vector
Definition at line 122 of file PCLDUFactorisation.hpp.
Referenced by PCLDUFactorisation::PCLDUFactorisationCreate().
| Vec PCLDUFactorisation::PCLDUFactorisationContext::y2_subvector |
Used to store the second half of the preconditioned vector
Definition at line 123 of file PCLDUFactorisation.hpp.
Referenced by PCLDUFactorisation::PCLDUFactorisationCreate().
| Vec PCLDUFactorisation::PCLDUFactorisationContext::z |
Used to store intermediate results
Definition at line 124 of file PCLDUFactorisation.hpp.
Referenced by PCLDUFactorisation::PCLDUFactorisationCreate().
The documentation for this struct was generated from the following file:
- linalg/src/PCLDUFactorisation.hpp
