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Public Member Functions | Private Types | Private Attributes | List of all members
ROL::GMRES< Real > Class Template Reference

Preconditioned GMRES solver. More...

#include <ROL_GMRES.hpp>

Inheritance diagram for ROL::GMRES< Real >:

Public Member Functions

 GMRES (ParameterList &parlist)
Real run (Vector< Real > &x, LinearOperator< Real > &A, const Vector< Real > &b, LinearOperator< Real > &M, int &iter, int &flag)
void enableOutput (std::ostream &outStream)
void disableOutput ()
Public Member Functions inherited from ROL::Krylov< Real >
virtual ~Krylov (void)
 Krylov (Real absTol=1.e-4, Real relTol=1.e-2, unsigned maxit=100)
 Krylov (ROL::ParameterList &parlist)
void resetAbsoluteTolerance (const Real absTol)
void resetRelativeTolerance (const Real relTol)
void resetMaximumIteration (const unsigned maxit)
Real getAbsoluteTolerance (void) const
Real getRelativeTolerance (void) const
unsigned getMaximumIteration (void) const

Private Types

typedef LA::Matrix< Real > SDMatrix
typedef LA::Vector< Real > SDVector

Private Attributes

Ptr< Vector< Real > > r_
Ptr< Vector< Real > > z_
Ptr< Vector< Real > > w_
Ptr< SDMatrix > H_
Ptr< SDVector > cs_
Ptr< SDVector > sn_
Ptr< SDVector > s_
Ptr< SDVector > y_
Ptr< SDVector > cnorm_
Ptr< std::vector< Real > > res_
Ptr< VectorArray< Real > > V_
Ptr< VectorArray< Real > > Z_
bool isInitialized_
bool useInexact_
bool useInitialGuess_
bool printIters_
Ptr< std::ostream > outStream_
LAPACK< int, Real > lapack_

Detailed Description

template<class Real>
class ROL::GMRES< Real >

Preconditioned GMRES solver.

Definition at line 68 of file ROL_GMRES.hpp.

Member Typedef Documentation

◆ SDMatrix

template<class Real>
typedef LA::Matrix<Real> ROL::GMRES< Real >::SDMatrix
private

Definition at line 70 of file ROL_GMRES.hpp.

◆ SDVector

template<class Real>
typedef LA::Vector<Real> ROL::GMRES< Real >::SDVector
private

Definition at line 71 of file ROL_GMRES.hpp.

Constructor & Destructor Documentation

◆ GMRES()

template<class Real>
ROL::GMRES< Real >::GMRES ( ParameterList & parlist)
inline

Definition at line 99 of file ROL_GMRES.hpp.

References cnorm_, cs_, ROL::Krylov< Real >::getMaximumIteration(), H_, isInitialized_, ROL::Krylov< Real >::Krylov(), printIters_, res_, s_, sn_, useInexact_, useInitialGuess_, V_, y_, Z_, and zero.

Member Function Documentation

◆ run()

template<class Real>
Real ROL::GMRES< Real >::run ( Vector< Real > & x,
LinearOperator< Real > & A,
const Vector< Real > & b,
LinearOperator< Real > & M,
int & iter,
int & flag )
inlinevirtual

Implements ROL::Krylov< Real >.

Definition at line 124 of file ROL_GMRES.hpp.

References ROL::LinearOperator< Real >::apply(), ROL::LinearOperator< Real >::applyInverse(), ROL::Vector< Real >::clone(), cnorm_, cs_, ROL::Krylov< Real >::getAbsoluteTolerance(), ROL::Krylov< Real >::getMaximumIteration(), ROL::Krylov< Real >::getRelativeTolerance(), H_, isInitialized_, lapack_, outStream_, ROL::Vector< Real >::plus(), printIters_, r_, res_, ROL::ROL_EPSILON(), s_, sn_, useInexact_, useInitialGuess_, V_, w_, y_, Z_, z_, ROL::Vector< Real >::zero(), and zero.

◆ enableOutput()

template<class Real>
void ROL::GMRES< Real >::enableOutput ( std::ostream & outStream)
inline

Definition at line 270 of file ROL_GMRES.hpp.

References outStream_, and printIters_.

◆ disableOutput()

template<class Real>
void ROL::GMRES< Real >::disableOutput ( )
inline

Definition at line 275 of file ROL_GMRES.hpp.

References printIters_.

Member Data Documentation

◆ r_

template<class Real>
Ptr<Vector<Real> > ROL::GMRES< Real >::r_
private

Definition at line 75 of file ROL_GMRES.hpp.

Referenced by run().

◆ z_

template<class Real>
Ptr<Vector<Real> > ROL::GMRES< Real >::z_
private

Definition at line 76 of file ROL_GMRES.hpp.

Referenced by run().

◆ w_

template<class Real>
Ptr<Vector<Real> > ROL::GMRES< Real >::w_
private

Definition at line 77 of file ROL_GMRES.hpp.

Referenced by run().

◆ H_

template<class Real>
Ptr<SDMatrix> ROL::GMRES< Real >::H_
private

Definition at line 79 of file ROL_GMRES.hpp.

Referenced by GMRES(), and run().

◆ cs_

template<class Real>
Ptr<SDVector> ROL::GMRES< Real >::cs_
private

Definition at line 80 of file ROL_GMRES.hpp.

Referenced by GMRES(), and run().

◆ sn_

template<class Real>
Ptr<SDVector> ROL::GMRES< Real >::sn_
private

Definition at line 81 of file ROL_GMRES.hpp.

Referenced by GMRES(), and run().

◆ s_

template<class Real>
Ptr<SDVector> ROL::GMRES< Real >::s_
private

Definition at line 82 of file ROL_GMRES.hpp.

Referenced by GMRES(), and run().

◆ y_

template<class Real>
Ptr<SDVector> ROL::GMRES< Real >::y_
private

Definition at line 83 of file ROL_GMRES.hpp.

Referenced by GMRES(), and run().

◆ cnorm_

template<class Real>
Ptr<SDVector> ROL::GMRES< Real >::cnorm_
private

Definition at line 84 of file ROL_GMRES.hpp.

Referenced by GMRES(), and run().

◆ res_

template<class Real>
Ptr<std::vector<Real> > ROL::GMRES< Real >::res_
private

Definition at line 86 of file ROL_GMRES.hpp.

Referenced by GMRES(), and run().

◆ V_

template<class Real>
Ptr<VectorArray<Real> > ROL::GMRES< Real >::V_
private

Definition at line 87 of file ROL_GMRES.hpp.

Referenced by GMRES(), and run().

◆ Z_

template<class Real>
Ptr<VectorArray<Real> > ROL::GMRES< Real >::Z_
private

Definition at line 87 of file ROL_GMRES.hpp.

Referenced by GMRES(), and run().

◆ isInitialized_

template<class Real>
bool ROL::GMRES< Real >::isInitialized_
private

Definition at line 89 of file ROL_GMRES.hpp.

Referenced by GMRES(), and run().

◆ useInexact_

template<class Real>
bool ROL::GMRES< Real >::useInexact_
private

Definition at line 90 of file ROL_GMRES.hpp.

Referenced by GMRES(), and run().

◆ useInitialGuess_

template<class Real>
bool ROL::GMRES< Real >::useInitialGuess_
private

Definition at line 91 of file ROL_GMRES.hpp.

Referenced by GMRES(), and run().

◆ printIters_

template<class Real>
bool ROL::GMRES< Real >::printIters_
private

Definition at line 92 of file ROL_GMRES.hpp.

Referenced by disableOutput(), enableOutput(), GMRES(), and run().

◆ outStream_

template<class Real>
Ptr<std::ostream> ROL::GMRES< Real >::outStream_
private

Definition at line 93 of file ROL_GMRES.hpp.

Referenced by enableOutput(), and run().

◆ lapack_

template<class Real>
LAPACK<int,Real> ROL::GMRES< Real >::lapack_
private

Definition at line 95 of file ROL_GMRES.hpp.

Referenced by run().

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