gslmm::_matrix_manip_vector_mult< T > Struct Template Reference
[Matrices]

#include <matrix_oper.hh>

Collaboration diagram for gslmm::_matrix_manip_vector_mult< T >:

Detailed Description

template<typename T>
struct gslmm::_matrix_manip_vector_mult< T >

Class that represents a matrix-matrix product.

Public Types

typedef matrix_manip< T > matrix_manip_type

typedef matrix< T > matrix_type

typedef vector< T > vector_type

typedef type_trait< T > trait_type

Public Member Functions

size_t size () const

void apply (vector< T > &u) const

Protected Member Functions

_matrix_manip_vector_mult (const matrix_manip_type &a, const vector_type &v)

Protected Attributes

const matrix_manip_type _lhs

const vector_type & _rhs

Friends

_matrix_manip_vector_mult< T > operator * (const matrix_manip< T >, const vector< T > &)

Member Typedef Documentation

template<typename T>

typedef matrix_manip<T> gslmm::_matrix_manip_vector_mult< T >::matrix_manip_type

Type of matrix manipulator.

template<typename T>

typedef matrix<T> gslmm::_matrix_manip_vector_mult< T >::matrix_type

Type of matix.

template<typename T>

typedef type_trait<T> gslmm::_matrix_manip_vector_mult< T >::trait_type

Type of trait.

template<typename T>

typedef vector<T> gslmm::_matrix_manip_vector_mult< T >::vector_type

Type of matix.

Constructor & Destructor Documentation

template<typename T>

gslmm::_matrix_manip_vector_mult< T >::_matrix_manip_vector_mult ( const matrix_manip_type & a,

const vector_type & v

) [inline, protected]

Constructor.
Make a defered matrix-matrix product object for the matrix product $ u = A v$
Parameters:

a The matrix $ A$

v The vector $ v$

Member Function Documentation

template<typename T>

void gslmm::_matrix_manip_vector_mult< T >::apply ( vector< T > & u ) const [inline]

Make the actual matrix-matrix product $ u = A v$ and store the result in the passed reference.

Parameters:

u On output, the result of $ A v$

template<typename T>

size_t gslmm::_matrix_manip_vector_mult< T >::size ( ) const [inline]

Returns:
The number of rows in $ u = A v$

Friends And Related Function Documentation

template<typename T>

_matrix_manip_vector_mult<T> operator * ( const matrix_manip< T > lhs,

const vector< T > & rhs

) [friend]

Friend operator.
No hanky-panky here.

Parameters:

lhs The left hand operand, the matrix $ A $

rhs The right hand operand, the vector $ x $

Returns:
new vector, $b_{i} = A_{ij} * x_{j}$