49#ifdef HAVE_IFPACK_EPETRAEXT
63#include "Teuchos_RefCountPtr.hpp"
102 bool IsInitialized()
const
104 return(IsInitialized_);
113 bool IsComputed()
const
126 int SetParameters(Teuchos::ParameterList& parameterlist);
138 int SetUseTranspose(
bool UseTranspose_in) {UseTranspose_ = UseTranspose_in;
return(0);};
146 return(Multiply(
false,X,Y));
170 const int MaxIters = 1550,
171 const double Tol = 1e-9,
175 double Condest()
const
184 const char* Label()
const {
return(Label_);}
187 int SetLabel(
const char* Label_in)
189 strcpy(Label_,Label_in);
194 double NormInf()
const {
return(0.0);};
197 bool HasNormInf()
const {
return(
false);};
200 bool UseTranspose()
const {
return(UseTranspose_);};
203 const Epetra_Map & OperatorDomainMap()
const {
return(A_->OperatorDomainMap());};
206 const Epetra_Map & OperatorRangeMap()
const{
return(A_->OperatorRangeMap());};
209 const Epetra_Comm & Comm()
const{
return(A_->Comm());};
218 virtual double GetLambdaMax()
const{
return LambdaMax_;}
221 virtual double GetOmega()
const{
if(UseGlobalDamping_)
return 12.0/(11.0*LambdaMax_);
else return 1.0;}
224 virtual std::ostream& Print(std::ostream& os)
const;
227 virtual int NumInitialize()
const
229 return(NumInitialize_);
233 virtual int NumCompute()
const
239 virtual int NumApplyInverse()
const
241 return(NumApplyInverse_);
245 virtual double InitializeTime()
const
247 return(InitializeTime_);
251 virtual double ComputeTime()
const
253 return(ComputeTime_);
257 virtual double ApplyInverseTime()
const
259 return(ApplyInverseTime_);
263 virtual double InitializeFlops()
const
268 virtual double ComputeFlops()
const
270 return(ComputeFlops_);
273 virtual double ApplyInverseFlops()
const
275 return(ApplyInverseFlops_);
284 Ifpack_SORa(
const Ifpack_SORa&
RHS) :
289 Ifpack_SORa& operator=(
const Ifpack_SORa& )
311#ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
313 int NumGlobalRows()
const {
return(A_->NumGlobalRows());};
316 int NumGlobalCols()
const {
return(A_->NumGlobalCols());};
318 long long NumGlobalRows64()
const {
return(A_->NumGlobalRows64());};
319 long long NumGlobalCols64()
const {
return(A_->NumGlobalCols64());};
322 int NumMyRows()
const {
return(A_->NumMyRows());};
325 int NumMyCols()
const {
return(A_->NumMyCols());};
328 int PowerMethod(
const int MaximumIterations,
double& lambda_max,
const unsigned int * RngSeed=0);
335 template<
typename int_type>
342 Teuchos::RefCountPtr<Epetra_CrsMatrix> Acrs_;
343 Teuchos::RefCountPtr<Epetra_RowMatrix> A_;
344 Teuchos::RefCountPtr<Epetra_CrsMatrix> W_;
345 Teuchos::RefCountPtr<Epetra_Vector> Wdiag_;
346 Teuchos::ParameterList List_;
372 bool HaveOAZBoundaries_;
374 bool UseInterprocDamping_;
376 bool UseGlobalDamping_;
380 double LambdaMaxBoost_;
382 int PowerMethodIters_;
385 mutable int NumApplyInverse_;
387 double InitializeTime_;
391 mutable double ApplyInverseTime_;
393 double ComputeFlops_;
395 mutable double ApplyInverseFlops_;
Ifpack_CondestType
Ifpack_CondestType: enum to define the type of condition number estimate.
@ Ifpack_Cheap
cheap estimate
Ifpack_ScalingType enumerable type.
Ifpack_Preconditioner: basic class for preconditioning in Ifpack.