Grid 0.7.0
TwoLevelCGmrhs< Field > Class Template Referenceabstract

#include <AdefMrhs.h>

Inheritance diagram for TwoLevelCGmrhs< Field >:
TwoLevelADEF2mrhs< Field, CoarseField >

Public Member Functions

 TwoLevelCGmrhs (RealD tol, Integer maxit, LinearOperatorBase< Field > &FineLinop, LinearFunction< Field > &Smoother, GridBase *fine)
virtual void operator() (std::vector< Field > &src, std::vector< Field > &x)
void ThinQRfact (Eigen::MatrixXcd &m_zz, Eigen::MatrixXcd &C, Eigen::MatrixXcd &Cinv, std::vector< Field > &Q, std::vector< Field > &MQ, const std::vector< Field > &Z, const std::vector< Field > &MZ)
virtual void SolvePrecBlockCG (std::vector< Field > &src, std::vector< Field > &X)
virtual void SolveSingleSystem (std::vector< Field > &src, std::vector< Field > &x)
virtual void PcgM1 (std::vector< Field > &in, std::vector< Field > &out)=0
virtual void Vstart (std::vector< Field > &x, std::vector< Field > &src)=0
virtual void PcgM2 (const Field &in, Field &out)
virtual RealD PcgM3 (const Field &p, Field &mmp)

Data Fields

RealD Tolerance
Integer MaxIterations
GridBase * grid
LinearOperatorBase< Field > & _FineLinop
LinearFunction< Field > & _Smoother
MultiRHSBlockCGLinalg< Field > _BlockCGLinalg
GridStopWatch ProjectTimer
GridStopWatch PromoteTimer
GridStopWatch DeflateTimer
GridStopWatch CoarseTimer
GridStopWatch FineTimer
GridStopWatch SmoothTimer
GridStopWatch InsertTimer

Detailed Description

template<class Field>
class TwoLevelCGmrhs< Field >

Definition at line 46 of file AdefMrhs.h.

Constructor & Destructor Documentation

◆ TwoLevelCGmrhs()

template<class Field>
TwoLevelCGmrhs< Field >::TwoLevelCGmrhs ( RealD tol,
Integer maxit,
LinearOperatorBase< Field > & FineLinop,
LinearFunction< Field > & Smoother,
GridBase * fine )
inline

Definition at line 73 of file AdefMrhs.h.

References _FineLinop, _Smoother, grid, MaxIterations, and Tolerance.

Referenced by TwoLevelADEF2mrhs< Field, CoarseField >::TwoLevelADEF2mrhs().

Member Function Documentation

◆ operator()()

template<class Field>
virtual void TwoLevelCGmrhs< Field >::operator() ( std::vector< Field > & src,
std::vector< Field > & x )
inlinevirtual

Definition at line 93 of file AdefMrhs.h.

References SolvePrecBlockCG().

◆ ThinQRfact()

template<class Field>
void TwoLevelCGmrhs< Field >::ThinQRfact ( Eigen::MatrixXcd & m_zz,
Eigen::MatrixXcd & C,
Eigen::MatrixXcd & Cinv,
std::vector< Field > & Q,
std::vector< Field > & MQ,
const std::vector< Field > & Z,
const std::vector< Field > & MZ )
inline

Definition at line 118 of file AdefMrhs.h.

References _BlockCGLinalg, and usecond().

Referenced by SolvePrecBlockCG().

◆ SolvePrecBlockCG()

template<class Field>
virtual void TwoLevelCGmrhs< Field >::SolvePrecBlockCG ( std::vector< Field > & src,
std::vector< Field > & X )
inlinevirtual

Definition at line 146 of file AdefMrhs.h.

References _BlockCGLinalg, _FineLinop, axpy(), CoarseTimer, DeflateTimer, GridStopWatch::Elapsed(), FineTimer, grid, GridLogMessage, InsertTimer, MaxIterations, norm2(), PcgM1(), ProjectTimer, PromoteTimer, real(), SmoothTimer, sqrt(), GridStopWatch::Start(), GridStopWatch::Stop(), ThinQRfact(), Tolerance, and Vstart().

Referenced by operator()().

◆ SolveSingleSystem()

template<class Field>
virtual void TwoLevelCGmrhs< Field >::SolveSingleSystem ( std::vector< Field > & src,
std::vector< Field > & x )
inlinevirtual

Definition at line 388 of file AdefMrhs.h.

References _FineLinop, axpy(), axpy_norm(), CoarseTimer, DeflateTimer, GridStopWatch::Elapsed(), FineTimer, grid, GridLogMessage, innerProduct(), InsertTimer, MaxIterations, norm2(), PcgM1(), PcgM3(), ProjectTimer, PromoteTimer, real(), SmoothTimer, sqrt(), GridStopWatch::Start(), GridStopWatch::Stop(), Tolerance, and Vstart().

◆ PcgM1()

template<class Field>
virtual void TwoLevelCGmrhs< Field >::PcgM1 ( std::vector< Field > & in,
std::vector< Field > & out )
pure virtual

Implemented in TwoLevelADEF2mrhs< Field, CoarseField >.

Referenced by SolvePrecBlockCG(), and SolveSingleSystem().

◆ Vstart()

template<class Field>
virtual void TwoLevelCGmrhs< Field >::Vstart ( std::vector< Field > & x,
std::vector< Field > & src )
pure virtual

Implemented in TwoLevelADEF2mrhs< Field, CoarseField >.

Referenced by SolvePrecBlockCG(), and SolveSingleSystem().

◆ PcgM2()

template<class Field>
virtual void TwoLevelCGmrhs< Field >::PcgM2 ( const Field & in,
Field & out )
inlinevirtual

Definition at line 577 of file AdefMrhs.h.

◆ PcgM3()

template<class Field>
virtual RealD TwoLevelCGmrhs< Field >::PcgM3 ( const Field & p,
Field & mmp )
inlinevirtual

Definition at line 581 of file AdefMrhs.h.

References _FineLinop, innerProduct(), and real().

Referenced by SolveSingleSystem().

Field Documentation

◆ Tolerance

template<class Field>
RealD TwoLevelCGmrhs< Field >::Tolerance

Definition at line 49 of file AdefMrhs.h.

Referenced by SolvePrecBlockCG(), SolveSingleSystem(), and TwoLevelCGmrhs().

◆ MaxIterations

template<class Field>
Integer TwoLevelCGmrhs< Field >::MaxIterations

Definition at line 50 of file AdefMrhs.h.

Referenced by SolvePrecBlockCG(), SolveSingleSystem(), and TwoLevelCGmrhs().

◆ grid

template<class Field>
GridBase* TwoLevelCGmrhs< Field >::grid

Definition at line 51 of file AdefMrhs.h.

Referenced by TwoLevelADEF2mrhs< Field, CoarseField >::PcgM1(), SolvePrecBlockCG(), SolveSingleSystem(), and TwoLevelCGmrhs().

◆ _FineLinop

template<class Field>
LinearOperatorBase<Field>& TwoLevelCGmrhs< Field >::_FineLinop

Definition at line 54 of file AdefMrhs.h.

Referenced by TwoLevelADEF2mrhs< Field, CoarseField >::PcgM1(), PcgM3(), SolvePrecBlockCG(), SolveSingleSystem(), and TwoLevelCGmrhs().

◆ _Smoother

template<class Field>
LinearFunction<Field>& TwoLevelCGmrhs< Field >::_Smoother

Definition at line 55 of file AdefMrhs.h.

Referenced by TwoLevelADEF2mrhs< Field, CoarseField >::PcgM1(), and TwoLevelCGmrhs().

◆ _BlockCGLinalg

template<class Field>
MultiRHSBlockCGLinalg<Field> TwoLevelCGmrhs< Field >::_BlockCGLinalg

Definition at line 56 of file AdefMrhs.h.

Referenced by SolvePrecBlockCG(), and ThinQRfact().

◆ ProjectTimer

template<class Field>
GridStopWatch TwoLevelCGmrhs< Field >::ProjectTimer

Definition at line 58 of file AdefMrhs.h.

Referenced by TwoLevelADEF2mrhs< Field, CoarseField >::PcgM1(), SolvePrecBlockCG(), and SolveSingleSystem().

◆ PromoteTimer

template<class Field>
GridStopWatch TwoLevelCGmrhs< Field >::PromoteTimer

Definition at line 59 of file AdefMrhs.h.

Referenced by TwoLevelADEF2mrhs< Field, CoarseField >::PcgM1(), SolvePrecBlockCG(), and SolveSingleSystem().

◆ DeflateTimer

template<class Field>
GridStopWatch TwoLevelCGmrhs< Field >::DeflateTimer

Definition at line 60 of file AdefMrhs.h.

Referenced by TwoLevelADEF2mrhs< Field, CoarseField >::PcgM1(), SolvePrecBlockCG(), and SolveSingleSystem().

◆ CoarseTimer

template<class Field>
GridStopWatch TwoLevelCGmrhs< Field >::CoarseTimer

Definition at line 61 of file AdefMrhs.h.

Referenced by TwoLevelADEF2mrhs< Field, CoarseField >::PcgM1(), SolvePrecBlockCG(), and SolveSingleSystem().

◆ FineTimer

template<class Field>
GridStopWatch TwoLevelCGmrhs< Field >::FineTimer

Definition at line 62 of file AdefMrhs.h.

Referenced by TwoLevelADEF2mrhs< Field, CoarseField >::PcgM1(), SolvePrecBlockCG(), and SolveSingleSystem().

◆ SmoothTimer

template<class Field>
GridStopWatch TwoLevelCGmrhs< Field >::SmoothTimer

Definition at line 63 of file AdefMrhs.h.

Referenced by TwoLevelADEF2mrhs< Field, CoarseField >::PcgM1(), SolvePrecBlockCG(), and SolveSingleSystem().

◆ InsertTimer

template<class Field>
GridStopWatch TwoLevelCGmrhs< Field >::InsertTimer

Definition at line 64 of file AdefMrhs.h.

Referenced by TwoLevelADEF2mrhs< Field, CoarseField >::PcgM1(), SolvePrecBlockCG(), and SolveSingleSystem().

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