gsLinearOperator< T > Class Template Reference

Detailed Description

template<class T>
class gismo::gsLinearOperator< T >

Simple abstract class for discrete operators.

Simple abstract class for discrete operators. The derived classes have to contain the functions: apply(), cols(), and rows().

Inheritance diagram for gsLinearOperator< T >:

Public Types
typedef memory::shared_ptr < gsLinearOperator >	Ptr
	Shared pointer for gsLinearOperator.
typedef memory::unique_ptr < gsLinearOperator >	uPtr
	Unique pointer for gsLinearOperator.

Public Member Functions
virtual void	apply (const gsMatrix< T > &input, gsMatrix< T > &x) const =0
	apply the operator on the input vector and store the result in x More...
virtual index_t	cols () const =0
	Returns the number of columns of the operator.
virtual index_t	rows () const =0
	Returns the number of rows of the operator.
virtual void	setOptions (const gsOptionList &)
	Set options based on a gsOptionList object.

Static Public Member Functions
static gsOptionList	defaultOptions ()
	Get the default options as gsOptionList object.
static gsIdentityOp< T >	Identity (const index_t dim)
	Identity operator.

Member Function Documentation

virtual void apply ( const gsMatrix< T > &  input, gsMatrix< T > &  x  ) const

pure virtual

apply the operator on the input vector and store the result in x

Parameters

input	Input vector
x	result vector

Implemented in gsIncompleteLUOp< MatrixType >, gsSolverOp< SolverType >, gsPreconditionerFromOp< T >, gsJacobiOp< MatrixType >, gsAdditiveOp< T >, gsLinearLambdaOp< T, L >, gsIdentityOp< T >, gsProductOp< T >, gsScaledOp< T >, gsSumOp< T >, gsBlockOp< T >, gsPreconditionerOp< T >, gsPreconditionerOp< MatrixType::Scalar >, gsRichardsonOp< MatrixType >, gsKroneckerOp< T >, and gsMatrixOp< MatrixType >.