HLIBpro  1.2
Public Types | Public Member Functions | List of all members
TMatrixHierarchy::TSparseBlockMatrix Class Reference

Represents a n×m block matrix with only a small number of non-null sub matrices stored in an efficient way.

#include <TMatrixHierarchy.hh>

Public Types

typedef std::list< TMatrix * > block_list_t
typedef std::list< block_list_t * > mat_storage_t
typedef std::map< TIndexSet,
block_list_t
*, TIndexSet::map_cmp_t > 
list_map_t

Public Member Functions

 TSparseBlockMatrix ()
 construct block matrix without any submatrices
 ~TSparseBlockMatrix ()
 destruct sparse block matrix
TMatrixblock (const TIndexSet &is0, const TIndexSet &is1)
 access individual submatrix addressed by is0 × is1
void insert_block (TMatrix *A)
 insert matrix A into sparse block matrix
const mat_storage_tblocks () const
 return sparse block matrix
block_list_tblock_row (const TIndexSet &is)
 return block row corresponding to indexset is
block_list_tblock_col (const TIndexSet &is)
 return block column corresponding to indexset is
size_t byte_size () const
 return size in bytes used by this object
void print (const uint ofs=0) const
 print content of block matrix

Member Typedef Documentation

list for block rows and columns

mapping of indexsets to block lists

storage type for sparse block matrix