Main include file for algebraic multigrid (AMG) preconditioners. Experimental. More...
#include <vector>#include <cmath>#include "viennacl/forwards.h"#include "viennacl/tools/tools.hpp"#include "viennacl/linalg/prod.hpp"#include "viennacl/linalg/direct_solve.hpp"#include "viennacl/compressed_matrix.hpp"#include "viennacl/linalg/detail/amg/amg_base.hpp"#include "viennacl/linalg/sparse_matrix_operations.hpp"#include "viennacl/linalg/amg_operations.hpp"#include "viennacl/tools/timer.hpp"#include "viennacl/linalg/lu.hpp"#include <map>Go to the source code of this file.
Classes | |
| class | viennacl::linalg::amg_coarse_problem_too_large_exception |
| class | viennacl::linalg::amg_precond< MatrixT > |
| AMG preconditioner class, can be supplied to solve()-routines. More... | |
| class | viennacl::linalg::amg_precond< compressed_matrix< NumericT, AlignmentV > > |
| AMG preconditioner class, can be supplied to solve()-routines. More... | |
Namespaces | |
| viennacl | |
| Main namespace in ViennaCL. Holds all the basic types such as vector, matrix, etc. and defines operations upon them. | |
| viennacl::linalg | |
| Provides all linear algebra operations which are not covered by operator overloads. | |
| viennacl::linalg::detail | |
| Namespace holding implementation details for linear algebra routines. Usually not of interest for a library user. | |
Macros | |
| #define | VIENNACL_AMG_MAX_LEVELS 20 |
Functions | |
| template<typename NumericT > | |
| void | viennacl::linalg::detail::amg_galerkin_prod (compressed_matrix< NumericT > &A_fine, compressed_matrix< NumericT > &P, compressed_matrix< NumericT > &R, compressed_matrix< NumericT > &A_coarse) |
| Sparse Galerkin product: Calculates A_coarse = trans(P)*A_fine*P = R*A_fine*P. More... | |
| template<typename NumericT , typename AMGContextListT > | |
| vcl_size_t | viennacl::linalg::detail::amg_setup (std::vector< compressed_matrix< NumericT > > &list_of_A, std::vector< compressed_matrix< NumericT > > &list_of_P, std::vector< compressed_matrix< NumericT > > &list_of_R, AMGContextListT &list_of_amg_level_context, amg_tag &tag) |
| Setup AMG preconditioner. More... | |
| template<typename MatrixT , typename InternalT1 , typename InternalT2 > | |
| void | viennacl::linalg::detail::amg_init (MatrixT const &mat, InternalT1 &list_of_A, InternalT1 &list_of_P, InternalT1 &list_of_R, InternalT2 &list_of_amg_level_context, amg_tag &tag) |
| Initialize AMG preconditioner. More... | |
| template<typename InternalVectorT , typename SparseMatrixT > | |
| void | viennacl::linalg::detail::amg_setup_apply (InternalVectorT &result, InternalVectorT &result_backup, InternalVectorT &rhs, InternalVectorT &residual, SparseMatrixT const &A, vcl_size_t coarse_levels, amg_tag const &tag) |
| Setup data structures for precondition phase for later use on the GPU. More... | |
| template<typename NumericT , typename SparseMatrixT > | |
| void | viennacl::linalg::detail::amg_lu (viennacl::matrix< NumericT > &op, SparseMatrixT const &A, amg_tag const &tag) |
| Pre-compute LU factorization for direct solve (ublas library). More... | |
Main include file for algebraic multigrid (AMG) preconditioners. Experimental.
Implementation contributed by Markus Wagner
Definition in file amg.hpp.