Creates matrices out of sparse matrices.
#include <TMatBuilder.hh>
Inheritance diagram for TSparseMBuilder:
Public Member Functions | |
| TSparseMBuilder (const TSparseMatrix *sparse_mat, const TPermutation *row_perm_i2e, const TPermutation *col_perm_e2i) | |
| construct TSparseMBuilder object with given sparse matrix and permutations | |
| void | set_sparse_mode (const bool b) |
| (de-) activate construction of sparse leaves | |
| virtual TMatrix * | build_leaf (const TBlockCluster *bc, const matform_t matformat, const TTruncAcc &acc) const |
| construct matrices for leaves in block cluster tree | |
| virtual TMatrix * | build_ghost (const TBlockCluster *bc) const |
| build placeholder matrix for remote blocks | |
 Public Member Functions inherited from TMatBuilder | |
| TMatBuilder (const bool coarsening=CFG::Arith::coarsen_build) | |
| void | set_coarsening (const bool b) |
| (de-) activate coarsening with standard accuracy | |
| void | set_coarsening (const TTruncAcc &acc) |
| activate coarsening with accuracy acc | |
| virtual TMatrix * | build (const uint nthreads, const TBlockClusterTree *bct, const TTruncAcc &acc, TProgressBar *progress=NULL) const |
| build the H-matrix with block-wise accuracy defined by acc | |
| virtual TMatrix * | build (const uint nthreads, const TBlockCluster *bc, const TTruncAcc &acc, TProgressBar *progress=NULL) const |
| virtual TMatrix * | build (const uint nthreads, const TBlockClusterTree *cluster, const matform_t matformat, const TTruncAcc &acc, TProgressBar *progress=NULL) const |
| same as | |
| virtual TMatrix * | build (const uint nthreads, const TBlockCluster *cluster, const matform_t matformat, const TTruncAcc &acc, TProgressBar *progress=NULL) const |
| same as | |
Protected Attributes | |
| const TSparseMatrix * | _sparse_mat |
| sparse matrix holding coefficients | |
| const TPermutation * | _row_perm_i2e |
| mapping of of internal numbering (in row cluster tree) to external numbering (in sparse matrix) | |
| const TPermutation * | _col_perm_e2i |
| mapping of of external numbering (in sparse matrix) to internal numbering (in column cluster tree) | |
| bool | _build_sparse |
| if true, build sparse matrices in leaves | |
| Protected Attributes inherited from TMatBuilder | |
| bool | _coarsening |
| if true, coarsening is applied during construction | |
| bool | _use_construct_acc |
| TTruncAcc | _coarse_acc |
| defines coarsening accuracy | |
Additional Inherited Members | |
| Protected Member Functions inherited from TMatBuilder | |
| virtual TMatrix * | thr_build (const uint nthreads, const TBlockCluster *bc, const matform_t matformat, const TTruncAcc &acc, TProgressBar *progress) const |
| threaded building process | |
| virtual TBlockMatrix * | build_blocked (const TBlockCluster *bc) const |
| build blocked matrix | |
| virtual matform_t | matrix_format () const =0 |
| return matrix format | |
