dune-istl  2.3beta2
Public Types | Public Member Functions | List of all members
Dune::MatrixAdapter< M, X, Y > Class Template Reference

Adapter to turn a matrix into a linear operator. More...

#include <dune/istl/operators.hh>

Inheritance diagram for Dune::MatrixAdapter< M, X, Y >:
Inheritance graph

Public Types

enum  { category = SolverCategory::sequential }
 define the category More...
typedef M matrix_type
 export types
typedef X domain_type
typedef Y range_type
typedef X::field_type field_type

Public Member Functions

 MatrixAdapter (const M &A)
 constructor: just store a reference to a matrix
virtual void apply (const X &x, Y &y) const
 apply operator to x: $ y = A(x) $
virtual void applyscaleadd (field_type alpha, const X &x, Y &y) const
 apply operator to x, scale and add: $ y = y + \alpha A(x) $
virtual const M & getmat () const
 get matrix via *

Detailed Description

template<class M, class X, class Y>
class Dune::MatrixAdapter< M, X, Y >

Adapter to turn a matrix into a linear operator.

Adapts a matrix to the assembled linear operator interface

Member Typedef Documentation

template<class M, class X, class Y>
typedef X Dune::MatrixAdapter< M, X, Y >::domain_type
template<class M, class X, class Y>
typedef X::field_type Dune::MatrixAdapter< M, X, Y >::field_type
template<class M, class X, class Y>
typedef M Dune::MatrixAdapter< M, X, Y >::matrix_type

export types

template<class M, class X, class Y>
typedef Y Dune::MatrixAdapter< M, X, Y >::range_type

Member Enumeration Documentation

template<class M, class X, class Y>
anonymous enum

define the category

Enumerator:
category 

Constructor & Destructor Documentation

template<class M, class X, class Y>
Dune::MatrixAdapter< M, X, Y >::MatrixAdapter ( const M &  A)
inlineexplicit

constructor: just store a reference to a matrix

Member Function Documentation

template<class M, class X, class Y>
virtual void Dune::MatrixAdapter< M, X, Y >::apply ( const X &  x,
Y &  y 
) const
inlinevirtual

apply operator to x: $ y = A(x) $

Implements Dune::LinearOperator< X, Y >.

template<class M, class X, class Y>
virtual void Dune::MatrixAdapter< M, X, Y >::applyscaleadd ( field_type  alpha,
const X &  x,
Y &  y 
) const
inlinevirtual

apply operator to x, scale and add: $ y = y + \alpha A(x) $

Implements Dune::LinearOperator< X, Y >.

template<class M, class X, class Y>
virtual const M& Dune::MatrixAdapter< M, X, Y >::getmat ( ) const
inlinevirtual

get matrix via *

Implements Dune::AssembledLinearOperator< M, X, Y >.


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