linbox
|
Dense matrix representation for BLAS based elimination. More...
#include <blas-blackbox.h>
Public Types | |
typedef Field::Element | Element |
Element type. | |
typedef BlasBlackbox< _Field > | Self_t |
Self type. | |
typedef'd Row Iterators. | |
The row iterator gives the rows of the matrix in ascending order. Dereferencing the iterator yields a row vector in dense format | |
typedef DenseMatrixBase < Element >::RowIterator | RowIterator |
typedef DenseMatrixBase < Element >::ConstRowIterator | ConstRowIterator |
typedef DenseMatrixBase < Element >::Row | Row |
typedef DenseMatrixBase < Element >::ConstRow | ConstRow |
typedef'd Column Iterators. | |
The columns iterator gives the columns of the matrix in ascending order. Dereferencing the iterator yields a column vector in dense format | |
typedef DenseMatrixBase < Element >::ColIterator | ColIterator |
typedef DenseMatrixBase < Element >::ConstColIterator | ConstColIterator |
typedef DenseMatrixBase < Element >::Col | Col |
typedef DenseMatrixBase < Element >::Column | Column |
typedef DenseMatrixBase < Element >::ConstCol | ConstCol |
Public Member Functions | |
size_t | rowdim () const |
Get the number of rows in the matrix. | |
size_t | coldim () const |
Get the number of columns in the matrix. | |
std::istream & | read (std::istream &file) |
Read the blackbox from an input stream. | |
std::ostream & | write (std::ostream &os) const |
Write the blackbox to an output stream. | |
pointer | getPointer () const |
. | |
pointer & | getWritePointer () |
. | |
size_t | getStride () const |
. | |
size_t & | getWriteStride () |
. | |
std::istream & | read (std::istream &file, const Field &field) |
Read the matrix from an input stream. | |
std::ostream & | write (std::ostream &os, const Field &field, bool mapleFormat=false) const |
Write the matrix to an output stream. | |
std::ostream & | write (std::ostream &os, bool mapleFormat=false) const |
Write the matrix to an output stream. | |
void | setEntry (size_t i, size_t j, const Element &a_ij) |
Set the entry at (i, j). | |
Element & | refEntry (size_t i, size_t j) |
Get a writeable reference to an entry in the matrix. | |
const Element & | getEntry (size_t i, size_t j) const |
Get a read-only individual entry from the matrix. | |
Element & | getEntry (Element &x, size_t i, size_t j) const |
Get an entry and store it in the given value. | |
RowIterator | rowBegin () |
iterator to the begining of a row | |
ConstRowIterator | rowBegin () const |
const iterator to the begining of a row | |
RowIterator | rowEnd () |
iterator to the end of a row | |
ConstRowIterator | rowEnd () const |
const iterator to the end of a row | |
DenseSubmatrix< Element > | transpose (DenseMatrixBase< Element > &tM) |
Creates a transposed matrix of *this . | |
DenseSubmatrix< Element > & | transpose (DenseSubmatrix< Element > &tA) |
Creates a transposed matrix of *this . |
Dense matrix representation for BLAS based elimination.
A BlasBlackbox can be constructed from any blackbox matrix. This costs n blackbox matrix vector products in general, but is efficiently done from a DenseMatrix or SparseMatrix.
examples/checksolve.C, examples/det.C, and examples/doubledet.C.
size_t rowdim | ( | ) | const [inline] |
Get the number of rows in the matrix.
Reimplemented from DenseSubmatrix< _Field::Element >.
size_t coldim | ( | ) | const [inline] |
Get the number of columns in the matrix.
Reimplemented from DenseSubmatrix< _Field::Element >.
std::istream& read | ( | std::istream & | file | ) | [inline] |
Read the blackbox from an input stream.
file | Input stream from which to read |
std::ostream& write | ( | std::ostream & | os | ) | const [inline] |
Write the blackbox to an output stream.
os | Output stream to which to write |
std::istream& read | ( | std::istream & | file, |
const Field & | field | ||
) | [inherited] |
Read the matrix from an input stream.
file | Input stream from which to read |
field |
std::ostream& write | ( | std::ostream & | os, |
const Field & | field, | ||
bool | mapleFormat = false |
||
) | const [inherited] |
Write the matrix to an output stream.
os | Output stream to which to write |
field | |
mapleFormat | write in Maple(r) format ? |
std::ostream& write | ( | std::ostream & | os, |
bool | mapleFormat = false |
||
) | const [inherited] |
Write the matrix to an output stream.
This a raw version of write(os,F)
(no field is given).
os | Output stream to which to write |
mapleFormat | write in Maple(r) format ? |
void setEntry | ( | size_t | i, |
size_t | j, | ||
const Element & | a_ij | ||
) | [inline, inherited] |
Set the entry at (i, j).
i | Row number, 0...rowdim () - 1 |
j | Column number 0...coldim () - 1 |
a_ij | Element to set |
Element& refEntry | ( | size_t | i, |
size_t | j | ||
) | [inline, inherited] |
Get a writeable reference to an entry in the matrix.
i | Row index of entry |
j | Column index of entry |
const Element& getEntry | ( | size_t | i, |
size_t | j | ||
) | const [inline, inherited] |
Get a read-only individual entry from the matrix.
i | Row index |
j | Column index |
Get an entry and store it in the given value.
This form is more in the Linbox style and is provided for interface compatibility with other parts of the library
x | Element in which to store result |
i | Row index |
j | Column index |
DenseSubmatrix<Element> transpose | ( | DenseMatrixBase< Element > & | tM | ) | [inline, inherited] |
Creates a transposed matrix of *this
.
[in] | tM |
DenseSubmatrix<Element>& transpose | ( | DenseSubmatrix< Element > & | tA | ) | [inline, inherited] |
Creates a transposed matrix of *this
.