linbox
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Sparse matrix, Coordinate storage. More...
#include <sparse-coo-matrix.h>
Public Types | |
typedef _Field | Field |
Field. | |
typedef _Field::Element | Element |
Element. | |
typedef const Element | constElement |
const Element | |
typedef SparseMatrixFormat::COO | Storage |
Matrix Storage Format. | |
typedef SparseMatrix< _Field, Storage > | Self_t |
Self type. | |
typedef Vector< Field >::SparseSeq | Row |
Public Member Functions | |
SparseMatrix (const _Field &F) | |
Constructors. More... | |
template<class VectStream > | |
SparseMatrix (const _Field &F, VectStream &stream) | |
template<class _OtherStorage > | |
SparseMatrix (const SparseMatrix< _Field, _OtherStorage > &S) | |
Default converter. More... | |
void | importe (const SparseMatrix< _Field, SparseMatrixFormat::CSR > &S) |
Conversions. More... | |
SparseMatrix< _Field, SparseMatrixFormat::CSR > & | exporte (SparseMatrix< _Field, SparseMatrixFormat::CSR > &S) |
Export a matrix in CSR format from COO. More... | |
void | transposeIn () |
In place transpose. More... | |
Self_t & | transpose (Self_t &S) const |
Transpose the matrix. More... | |
size_t | rowdim () const |
number of rows. More... | |
size_t | coldim () const |
number of columns. More... | |
size_t | size () const |
Number of non zero elements in the matrix. More... | |
constElement & | getEntry (const size_t &i, const size_t &j) const |
Get a read-only individual entry from the matrix. More... | |
void | finalize () |
make matrix ready to use after a sequence of setEntry calls. | |
const Element & | setEntry (const size_t &i, const size_t &j, const Element &e) |
Set an individual entry. More... | |
std::ostream & | write (std::ostream &os, Tag::FileFormat format=Tag::FileFormat::MatrixMarket) const |
Write a matrix to the given output stream using field read/write. More... | |
std::istream & | read (std::istream &is, Tag::FileFormat format=Tag::FileFormat::Detect) |
Read a matrix from the given input stream using field read/write. More... | |
bool | consistent () const |
Sparse matrix, Coordinate storage.
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Constructors.
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Default converter.
S | a sparse matrix in any storage. |
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Conversions.
Any sparse matrix has a converter to/from CSR. A specialisation can skip the temporary CSR matrix created.
Import a matrix in CSR format to COO.
S | CSR matrix to be converted in COO |
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Export a matrix in CSR format from COO.
S | CSR matrix to be converted from COO |
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In place transpose.
Not quite...
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number of rows.
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number of columns.
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Number of non zero elements in the matrix.
or at least the size of the _data if
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Get a read-only individual entry from the matrix.
i | Row _colid |
j | Column _colid |
Set an individual entry.
Setting the entry to 0 will not remove it from the matrix
i | Row _colid of entry |
j | Column _colid of entry |
value | Value of the new entry |
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Write a matrix to the given output stream using field read/write.
os | Output stream to which to write the matrix |
format | Format with which to write |
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Read a matrix from the given input stream using field read/write.
is | Input stream from which to read the matrix |
format | Format of input matrix |
is
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