DUNE PDELab (git)

Exact subdomain solver using ILU(p) with appropriate p. More...

#include <dune/istl/ilusubdomainsolver.hh>

Public Types

typedef std::remove_const< M >::type matrix_type
 The matrix type the preconditioner is for.
 
typedef X domain_type
 The domain type of the preconditioner.
 
typedef Y range_type
 The range type of the preconditioner.
 

Public Member Functions

void apply (X &v, const Y &d)
 Apply the subdomain solver. More...
 
template<class S >
void setSubMatrix (const M &A, S &rowset)
 Set the data of the local problem. More...
 

Protected Member Functions

template<class S >
std::size_t copyToLocalMatrix (const M &A, S &rowset)
 Copy the local part of the global matrix to ILU. More...
 

Protected Attributes

matrix_type ILU
 The ILU0 decomposition of the matrix, or the local matrix.
 

Detailed Description

template<class M, class X, class Y>
class Dune::ILU0SubdomainSolver< M, X, Y >

Exact subdomain solver using ILU(p) with appropriate p.

Template Parameters
MThe type of the matrix.
XThe type of the vector for the domain.
XThe type of the vector for the range.

Member Function Documentation

◆ apply()

template<class M , class X , class Y >
void Dune::ILU0SubdomainSolver< M, X, Y >::apply ( X &  v,
const Y &  d 
)
inlinevirtual

Apply the subdomain solver.

Apply the subdomain solver.

On entry v=? and d=b-A(x) (although this might not be computed in that way. On exit v contains the update

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

References Dune::ILUSubdomainSolver< M, X, Y >::ILU.


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