LSA_Toolkit::SparseMatrix Class Reference

API access class for the LSA_Toolkit SparseMatrix. More...

#include <sparsematrix.h>

List of all members.

Public Member Functions
	SparseMatrix (Environment *)
	Common SparseMatrix constructor.
	~SparseMatrix ()
	Common SparseMatrix destructor for all SparseMatrix objects.
double	get (size_t, size_t)
	Get a value from a specific position of the SparseMatrix.
std::valarray< double >	getrow (size_t)
	Get a specific row from the SparseMatrix.
std::valarray< double >	getcol (size_t)
	Get a specific column from the SparseMatrix.
void	put (size_t, size_t, double)
	Put a value into a specific position of the SparseMatrix.
void	incr (size_t, size_t)
	Increment the value at a specific position of the SparseMatrix.
std::valarray< double >	mult (std::valarray< double >)
	Multiply the matrix contained in SparseMatrix by a vector with length = number of columns.
std::valarray< double >	tmult (std::valarray< double >)
	Multiply the transpose of the matrix contained in SparseMatrix by a vector with length = to the number of rows.
bool	isWeighted ()
	Check if a weighting has been applied to the SparseMatrix object data.
size_t	getnonzeros ()
	Get the number of non-zero entries in the SparseMatrix.
size_t	getnumrows ()
	Get the number of rows contained in the SparseMatrix.
size_t	getnumcols ()
	Get the number of columns contained in the SparseMatrix.
void	textLoad (std::string filename)
	Load SparseMatrix data from a text file.
void	binDump ()
	Dump a SparseMatrix object to a binary file with a default filename.
void	binDump (std::string filename)
	Dump a SparseMatrix object to a binary file.
void	binLoad ()
	Load a SparseMatrx object from a binary file with a default filename.
void	binLoad (std::string filename)
	Load a SparseMatrx object from a binary file.
void	applyWeighting ()
	Weight a raw SparseMatrix with a local * global weighting function.
Public Attributes
SparseMatrix_Impl *	ptr

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Detailed Description

API access class for the LSA_Toolkit SparseMatrix.

The SparseMatrix is the primary storage class for the raw matrix information. It is a compact efficient storage class for matrices with small percentages of non-zero values.

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The documentation for this class was generated from the following files:

• sparsematrix.h
• sparsematrix.cpp