ARPACK-Armadillo
DenseGenMatProd< Scalar > Class Template Reference

#include <DenseGenMatProd.h>

Public Member Functions

 DenseGenMatProd (Matrix &mat_)
 
int rows ()
 
int cols ()
 
void perform_op (Scalar *x_in, Scalar *y_out)
 

Detailed Description

template<typename Scalar>
class DenseGenMatProd< Scalar >

This class defines the matrix-vector multiplication operation on a general real matrix \(A\), i.e., calculating \(y=Ax\) for any vector \(x\). It is mainly used in the GenEigsSolver and SymEigsSolver eigen solvers.

Definition at line 27 of file DenseGenMatProd.h.

Constructor & Destructor Documentation

template<typename Scalar >
DenseGenMatProd< Scalar >::DenseGenMatProd ( Matrix &  mat_)
inline

Constructor to create the matrix operation object.

Parameters
mat_An Armadillo matrix object, whose type can be arma::mat or arma::fmat, depending on the template parameter Scalar defined.

Definition at line 42 of file DenseGenMatProd.h.

Member Function Documentation

template<typename Scalar >
int DenseGenMatProd< Scalar >::rows ( )
inline

Return the number of rows of the underlying matrix.

Definition at line 49 of file DenseGenMatProd.h.

template<typename Scalar >
int DenseGenMatProd< Scalar >::cols ( )
inline

Return the number of columns of the underlying matrix.

Definition at line 53 of file DenseGenMatProd.h.

template<typename Scalar >
void DenseGenMatProd< Scalar >::perform_op ( Scalar *  x_in,
Scalar *  y_out 
)
inline

Perform the matrix-vector multiplication operation \(y=Ax\).

Parameters
x_inPointer to the \(x\) vector.
y_outPointer to the \(y\) vector.

Definition at line 62 of file DenseGenMatProd.h.


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