3#ifndef DUNE_ISTL_SCHWARZ_HH
4#define DUNE_ISTL_SCHWARZ_HH
13#include <dune/common/timer.hh>
74 template<
class M,
class X,
class Y,
class C>
109 : _A_(stackobject_to_shared_ptr(A)), communication(com)
113 : _A_(A), communication(com)
117 virtual void apply (
const X& x, Y& y)
const
121 communication.project(y);
128 _A_->usmv(alpha,x,y);
129 communication.project(y);
149 return communication;
152 const std::shared_ptr<const matrix_type>_A_;
175 template<
class M,
class X,
class Y,
class C>
199 : _A_(A), _n(n), _w(w), communication(c)
207 virtual void pre (X& x, Y& b)
209 communication.copyOwnerToAll(x,x);
217 virtual void apply (X& v,
const Y& d)
219 for (
int i=0; i<_n; i++) {
223 communication.copyOwnerToAll(v,v);
252 template<
class T>
struct ConstructionTraits;
278 template<
class X,
class Y,
class C,
class P=Preconditioner<X,Y> >
308 : _preconditioner(stackobject_to_shared_ptr(p)), _communication(c)
319 : _preconditioner(p), _communication(c)
327 virtual void pre (X& x, Y& b)
329 _communication.copyOwnerToAll(x,x);
330 _preconditioner->pre(x,b);
338 virtual void apply (X& v,
const Y& d)
340 _preconditioner->apply(v,d);
341 _communication.copyOwnerToAll(v,v);
344 template<
bool forward>
347 _preconditioner->template apply<forward>(v,d);
348 _communication.copyOwnerToAll(v,v);
358 _preconditioner->post(x);
369 std::shared_ptr<P> _preconditioner;
Implementation of the BCRSMatrix class.
This file implements a vector space as a tensor product of a given vector space. The number of compon...
Simple iterative methods like Jacobi, Gauss-Seidel, SOR, SSOR, etc. in a generic way.
The incomplete LU factorization kernels.
Some generic functions for pretty printing vectors and matrices.
Define general, extensible interface for operators. The available implementation wraps a matrix.
Classes providing communication interfaces for overlapping Schwarz methods.
Define general preconditioner interface.
Define base class for scalar product and norm.
Implementations of the inverse operator interface.
void bsorb(const M &A, X &x, const Y &b, const K &w)
SSOR step.
Definition: gsetc.hh:644
void bsorf(const M &A, X &x, const Y &b, const K &w)
SOR step.
Definition: gsetc.hh:632
Definition: allocator.hh:9
Traits class for generically constructing non default constructable types.
Definition: construction.hh:37
A linear operator exporting itself in matrix form.
Definition: operators.hh:107
An overlapping Schwarz operator.
Definition: schwarz.hh:76
const communication_type & getCommunication() const
Get the object responsible for communication.
Definition: schwarz.hh:147
virtual const matrix_type & getmat() const
get the sequential assembled linear operator.
Definition: schwarz.hh:134
virtual void applyscaleadd(field_type alpha, const X &x, Y &y) const
apply operator to x, scale and add:
Definition: schwarz.hh:126
virtual void apply(const X &x, Y &y) const
apply operator to x:
Definition: schwarz.hh:117
C communication_type
The type of the communication object.
Definition: schwarz.hh:99
X domain_type
The type of the domain.
Definition: schwarz.hh:87
M matrix_type
The type of the matrix we operate on.
Definition: schwarz.hh:82
Y range_type
The type of the range.
Definition: schwarz.hh:92
X::field_type field_type
The field type of the range.
Definition: schwarz.hh:94
OverlappingSchwarzOperator(const matrix_type &A, const communication_type &com)
constructor: just store a reference to a matrix.
Definition: schwarz.hh:108
OverlappingSchwarzOperator(const std::shared_ptr< matrix_type > A, const communication_type &com)
Definition: schwarz.hh:112
virtual SolverCategory::Category category() const
Category of the linear operator (see SolverCategory::Category)
Definition: schwarz.hh:140
Base class for matrix free definition of preconditioners.
Definition: preconditioner.hh:30
A parallel SSOR preconditioner.
Definition: schwarz.hh:176
X::field_type field_type
The field type of the preconditioner.
Definition: schwarz.hh:185
C communication_type
The type of the communication object.
Definition: schwarz.hh:187
virtual SolverCategory::Category category() const
Category of the preconditioner (see SolverCategory::Category)
Definition: schwarz.hh:234
ParSSOR(const matrix_type &A, int n, field_type w, const communication_type &c)
Constructor.
Definition: schwarz.hh:198
virtual void post(X &x)
Clean up.
Definition: schwarz.hh:231
X domain_type
The domain type of the preconditioner.
Definition: schwarz.hh:181
Y range_type
The range type of the preconditioner.
Definition: schwarz.hh:183
M matrix_type
The matrix type the preconditioner is for.
Definition: schwarz.hh:179
virtual void apply(X &v, const Y &d)
Apply the precondtioner.
Definition: schwarz.hh:217
virtual void pre(X &x, Y &b)
Prepare the preconditioner.
Definition: schwarz.hh:207
Block parallel preconditioner.
Definition: schwarz.hh:279
virtual void pre(X &x, Y &b)
Prepare the preconditioner.
Definition: schwarz.hh:327
X domain_type
The domain type of the preconditioner.
Definition: schwarz.hh:286
BlockPreconditioner(const std::shared_ptr< P > &p, const communication_type &c)
Constructor.
Definition: schwarz.hh:318
virtual void apply(X &v, const Y &d)
Apply the preconditioner.
Definition: schwarz.hh:338
BlockPreconditioner(P &p, const communication_type &c)
Constructor.
Definition: schwarz.hh:307
void apply(X &v, const Y &d)
Apply one step of the preconditioner to the system A(v)=d.
Definition: schwarz.hh:345
C communication_type
The type of the communication object..
Definition: schwarz.hh:298
X::field_type field_type
The field type of the preconditioner.
Definition: schwarz.hh:293
virtual void post(X &x)
Clean up.
Definition: schwarz.hh:356
Y range_type
The range type of the preconditioner.
Definition: schwarz.hh:291
virtual SolverCategory::Category category() const
Category of the preconditioner (see SolverCategory::Category)
Definition: schwarz.hh:362
Category
Definition: solvercategory.hh:21
@ overlapping
Category for overlapping solvers.
Definition: solvercategory.hh:27