CHROMA
Functions
Chroma::InvEigCG2ArrayEnv Namespace Reference

Conjugate-Gradient (CGNE) with eigenstd::vector acceleration. More...

Functions

template<typename T >
void SubSpaceMatrix_T (LinAlg::Matrix< DComplex > &H, const LinearOperatorArray< T > &A, const multi2d< T > &evec, int Nvecs)
 
template<typename T >
SystemSolverResults_t InvEigCG2_T (const LinearOperatorArray< T > &A, multi1d< T > &x, const multi1d< T > &b, multi1d< Double > &eval, multi2d< T > &evec, int Neig, int Nmax, const Real &RsdCG, int MaxCG)
 
template<typename T >
SystemSolverResults_t old_InvEigCG2_T (const LinearOperatorArray< T > &A, multi1d< T > &x, const multi1d< T > &b, multi1d< Double > &eval, multi2d< T > &evec, int Neig, int Nmax, const Real &RsdCG, int MaxCG)
 
template<typename T >
SystemSolverResults_t vecPrecondCG_T (const LinearOperatorArray< T > &A, multi1d< T > &x, const multi1d< T > &b, const multi1d< Double > &eval, const multi2d< T > &evec, int startV, int endV, const Real &RsdCG, int MaxCG)
 
template<typename T >
void InitGuess_T (const LinearOperatorArray< T > &A, multi1d< T > &x, const multi1d< T > &b, const multi1d< Double > &eval, const multi2d< T > &evec, int &n_count)
 
template<typename T >
void InitGuess_T (const LinearOperatorArray< T > &A, multi1d< T > &x, const multi1d< T > &b, const multi1d< Double > &eval, const multi2d< T > &evec, int N, int &n_count)
 
void SubSpaceMatrix (LinAlg::Matrix< DComplex > &H, const LinearOperatorArray< LatticeFermionF > &A, const multi2d< LatticeFermionF > &evec, int Nvecs)
 
SystemSolverResults_t InvEigCG2 (const LinearOperatorArray< LatticeFermionF > &A, multi1d< LatticeFermionF > &x, const multi1d< LatticeFermionF > &b, multi1d< Double > &eval, multi2d< LatticeFermionF > &evec, int Neig, int Nmax, const Real &RsdCG, int MaxCG)
 
SystemSolverResults_t vecPrecondCG (const LinearOperatorArray< LatticeFermionF > &A, multi1d< LatticeFermionF > &x, const multi1d< LatticeFermionF > &b, const multi1d< Double > &eval, const multi2d< LatticeFermionF > &evec, int startV, int endV, const Real &RsdCG, int MaxCG)
 
void InitGuess (const LinearOperatorArray< LatticeFermionF > &A, multi1d< LatticeFermionF > &x, const multi1d< LatticeFermionF > &b, const multi1d< Double > &eval, const multi2d< LatticeFermionF > &evec, int &n_count)
 
void InitGuess (const LinearOperatorArray< LatticeFermionF > &A, multi1d< LatticeFermionF > &x, const multi1d< LatticeFermionF > &b, const multi1d< Double > &eval, const multi2d< LatticeFermionF > &evec, int N, int &n_count)
 
void SubSpaceMatrix (LinAlg::Matrix< DComplex > &H, const LinearOperatorArray< LatticeFermionD > &A, const multi2d< LatticeFermionD > &evec, int Nvecs)
 
SystemSolverResults_t InvEigCG2 (const LinearOperatorArray< LatticeFermionD > &A, multi1d< LatticeFermionD > &x, const multi1d< LatticeFermionD > &b, multi1d< Double > &eval, multi2d< LatticeFermionD > &evec, int Neig, int Nmax, const Real &RsdCG, int MaxCG)
 
SystemSolverResults_t vecPrecondCG (const LinearOperatorArray< LatticeFermionD > &A, multi1d< LatticeFermionD > &x, const multi1d< LatticeFermionD > &b, const multi1d< Double > &eval, const multi2d< LatticeFermionD > &evec, int startV, int endV, const Real &RsdCG, int MaxCG)
 
void InitGuess (const LinearOperatorArray< LatticeFermionD > &A, multi1d< LatticeFermionD > &x, const multi1d< LatticeFermionD > &b, const multi1d< Double > &eval, const multi2d< LatticeFermionD > &evec, int &n_count)
 
void InitGuess (const LinearOperatorArray< LatticeFermionD > &A, multi1d< LatticeFermionD > &x, const multi1d< LatticeFermionD > &b, const multi1d< Double > &eval, const multi2d< LatticeFermionD > &evec, int N, int &n_count)
 

Detailed Description

Conjugate-Gradient (CGNE) with eigenstd::vector acceleration.

Function Documentation

◆ InitGuess() [1/4]

void Chroma::InvEigCG2ArrayEnv::InitGuess ( const LinearOperatorArray< LatticeFermionD > &  A,
multi1d< LatticeFermionD > &  x,
const multi1d< LatticeFermionD > &  b,
const multi1d< Double > &  eval,
const multi2d< LatticeFermionD > &  evec,
int &  n_count 
)

Definition at line 976 of file inv_eigcg2_array.cc.

References Chroma::A(), Chroma::b, InitGuess_T(), Chroma::n_count, and x.

◆ InitGuess() [2/4]

void Chroma::InvEigCG2ArrayEnv::InitGuess ( const LinearOperatorArray< LatticeFermionD > &  A,
multi1d< LatticeFermionD > &  x,
const multi1d< LatticeFermionD > &  b,
const multi1d< Double > &  eval,
const multi2d< LatticeFermionD > &  evec,
int  N,
int &  n_count 
)

Definition at line 986 of file inv_eigcg2_array.cc.

References Chroma::A(), Chroma::b, InitGuess_T(), Chroma::n_count, and x.

Referenced by InitGuess_T().

◆ InitGuess() [3/4]

void Chroma::InvEigCG2ArrayEnv::InitGuess ( const LinearOperatorArray< LatticeFermionF > &  A,
multi1d< LatticeFermionF > &  x,
const multi1d< LatticeFermionF > &  b,
const multi1d< Double > &  eval,
const multi2d< LatticeFermionF > &  evec,
int &  n_count 
)

Definition at line 922 of file inv_eigcg2_array.cc.

References Chroma::A(), Chroma::b, InitGuess_T(), Chroma::n_count, and x.

◆ InitGuess() [4/4]

void Chroma::InvEigCG2ArrayEnv::InitGuess ( const LinearOperatorArray< LatticeFermionF > &  A,
multi1d< LatticeFermionF > &  x,
const multi1d< LatticeFermionF > &  b,
const multi1d< Double > &  eval,
const multi2d< LatticeFermionF > &  evec,
int  N,
int &  n_count 
)

Definition at line 932 of file inv_eigcg2_array.cc.

References Chroma::A(), Chroma::b, InitGuess_T(), Chroma::n_count, and x.

◆ InitGuess_T() [1/2]

template<typename T >
void Chroma::InvEigCG2ArrayEnv::InitGuess_T ( const LinearOperatorArray< T > &  A,
multi1d< T > &  x,
const multi1d< T > &  b,
const multi1d< Double > &  eval,
const multi2d< T > &  evec,
int &  n_count 
)

Definition at line 834 of file inv_eigcg2_array.cc.

References Chroma::A(), Chroma::b, InitGuess(), Chroma::n_count, and x.

◆ InitGuess_T() [2/2]

template<typename T >
void Chroma::InvEigCG2ArrayEnv::InitGuess_T ( const LinearOperatorArray< T > &  A,
multi1d< T > &  x,
const multi1d< T > &  b,
const multi1d< Double > &  eval,
const multi2d< T > &  evec,
int  N,
int &  n_count 
)

Definition at line 846 of file inv_eigcg2_array.cc.

References Chroma::A(), Chroma::b, Chroma::d, Chroma::i, Chroma::InlinePropAndMatElemDistillation2Env::local::innerProduct(), l, Chroma::n_count, Chroma::p, Chroma::PLUS, Chroma::r, and x.

Referenced by InitGuess().

◆ InvEigCG2() [1/2]

SystemSolverResults_t Chroma::InvEigCG2ArrayEnv::InvEigCG2 ( const LinearOperatorArray< LatticeFermionD > &  A,
multi1d< LatticeFermionD > &  x,
const multi1d< LatticeFermionD > &  b,
multi1d< Double > &  eval,
multi2d< LatticeFermionD > &  evec,
int  Neig,
int  Nmax,
const Real &  RsdCG,
int  MaxCG 
)

Definition at line 953 of file inv_eigcg2_array.cc.

References Chroma::A(), Chroma::b, InvEigCG2_T(), Chroma::MaxCG, Chroma::RsdCG, and x.

◆ InvEigCG2() [2/2]

SystemSolverResults_t Chroma::InvEigCG2ArrayEnv::InvEigCG2 ( const LinearOperatorArray< LatticeFermionF > &  A,
multi1d< LatticeFermionF > &  x,
const multi1d< LatticeFermionF > &  b,
multi1d< Double > &  eval,
multi2d< LatticeFermionF > &  evec,
int  Neig,
int  Nmax,
const Real &  RsdCG,
int  MaxCG 
)

Definition at line 899 of file inv_eigcg2_array.cc.

References Chroma::A(), Chroma::b, InvEigCG2_T(), Chroma::MaxCG, Chroma::RsdCG, and x.

◆ InvEigCG2_T()

template<typename T >
SystemSolverResults_t Chroma::InvEigCG2ArrayEnv::InvEigCG2_T ( const LinearOperatorArray< T > &  A,
multi1d< T > &  x,
const multi1d< T > &  b,
multi1d< Double > &  eval,
multi2d< T > &  evec,
int  Neig,
int  Nmax,
const Real &  RsdCG,
int  MaxCG 
)

preconditioning algorithm

Definition at line 63 of file inv_eigcg2_array.cc.

References Chroma::A(), Chroma::StagPhases::alpha(), Chroma::b, Chroma::StagPhases::beta(), Chroma::BaryonSpinMats::C(), Chroma::END_CODE(), Chroma::i, Chroma::InlinePropAndMatElemDistillation2Env::local::innerProduct(), j, Chroma::k, l, Chroma::LinAlg::Matrix< T >::mat, Chroma::MaxCG, Chroma::LinAlg::Matrix< T >::N, Chroma::LinAlg::VectorArrays< T >::N, Chroma::SystemSolverResults_t::n_count, Chroma::LinAlg::VectorArrays< T >::NormalizeAndAddVector(), Chroma::p, Chroma::PLUS, Chroma::QDP_error_exit(), Chroma::r, Chroma::SystemSolverResults_t::resid, Chroma::rsd_sq, Chroma::RsdCG, Chroma::START_CODE(), SubSpaceMatrix(), Octave::tag(), Chroma::tmp, Chroma::LinAlg::VectorArrays< T >::vec, x, and Chroma::zero.

Referenced by InvEigCG2().

◆ old_InvEigCG2_T()

template<typename T >
SystemSolverResults_t Chroma::InvEigCG2ArrayEnv::old_InvEigCG2_T ( const LinearOperatorArray< T > &  A,
multi1d< T > &  x,
const multi1d< T > &  b,
multi1d< Double > &  eval,
multi2d< T > &  evec,
int  Neig,
int  Nmax,
const Real &  RsdCG,
int  MaxCG 
)

preconditioning algorithm

Definition at line 356 of file inv_eigcg2_array.cc.

References Chroma::A(), Chroma::LinAlg::VectorArrays< T >::AddOrReplaceVector(), Chroma::LinAlg::VectorArrays< T >::AddVectors(), Chroma::StagPhases::alpha(), Chroma::b, Chroma::StagPhases::beta(), Chroma::BaryonSpinMats::C(), Chroma::END_CODE(), Chroma::i, Chroma::InlinePropAndMatElemDistillation2Env::local::innerProduct(), j, Chroma::k, Chroma::LinAlg::Matrix< T >::mat, Chroma::MaxCG, Chroma::LinAlg::Matrix< T >::N, Chroma::LinAlg::VectorArrays< T >::N, Chroma::SystemSolverResults_t::n_count, Chroma::LinAlg::VectorArrays< T >::NormalizeAndAddVector(), Chroma::normGramSchmidt(), Chroma::p, Chroma::PLUS, Chroma::QDP_error_exit(), Chroma::r, Chroma::SystemSolverResults_t::resid, Chroma::rsd_sq, Chroma::RsdCG, Chroma::LinAlg::VectorArrays< T >::size(), Chroma::START_CODE(), SubSpaceMatrix(), Octave::tag(), Chroma::tmp, Chroma::LinAlg::VectorArrays< T >::vec, x, z, and Chroma::zero.

◆ SubSpaceMatrix() [1/2]

void Chroma::InvEigCG2ArrayEnv::SubSpaceMatrix ( LinAlg::Matrix< DComplex > &  H,
const LinearOperatorArray< LatticeFermionD > &  A,
const multi2d< LatticeFermionD > &  evec,
int  Nvecs 
)

Definition at line 945 of file inv_eigcg2_array.cc.

References Chroma::A(), and SubSpaceMatrix_T().

Referenced by InvEigCG2_T(), and old_InvEigCG2_T().

◆ SubSpaceMatrix() [2/2]

void Chroma::InvEigCG2ArrayEnv::SubSpaceMatrix ( LinAlg::Matrix< DComplex > &  H,
const LinearOperatorArray< LatticeFermionF > &  A,
const multi2d< LatticeFermionF > &  evec,
int  Nvecs 
)

Definition at line 891 of file inv_eigcg2_array.cc.

References Chroma::A(), and SubSpaceMatrix_T().

◆ SubSpaceMatrix_T()

template<typename T >
void Chroma::InvEigCG2ArrayEnv::SubSpaceMatrix_T ( LinAlg::Matrix< DComplex > &  H,
const LinearOperatorArray< T > &  A,
const multi2d< T > &  evec,
int  Nvecs 
)

Definition at line 31 of file inv_eigcg2_array.cc.

References Chroma::A(), Chroma::i, Chroma::InlinePropAndMatElemDistillation2Env::local::innerProduct(), j, Chroma::LinAlg::Matrix< T >::mat, Chroma::LinAlg::Matrix< T >::N, Chroma::PLUS, and Chroma::LinAlg::Matrix< T >::size().

Referenced by SubSpaceMatrix().

◆ vecPrecondCG() [1/2]

SystemSolverResults_t Chroma::InvEigCG2ArrayEnv::vecPrecondCG ( const LinearOperatorArray< LatticeFermionD > &  A,
multi1d< LatticeFermionD > &  x,
const multi1d< LatticeFermionD > &  b,
const multi1d< Double > &  eval,
const multi2d< LatticeFermionD > &  evec,
int  startV,
int  endV,
const Real &  RsdCG,
int  MaxCG 
)

Definition at line 965 of file inv_eigcg2_array.cc.

References Chroma::A(), Chroma::b, Chroma::MaxCG, Chroma::RsdCG, vecPrecondCG_T(), and x.

◆ vecPrecondCG() [2/2]

SystemSolverResults_t Chroma::InvEigCG2ArrayEnv::vecPrecondCG ( const LinearOperatorArray< LatticeFermionF > &  A,
multi1d< LatticeFermionF > &  x,
const multi1d< LatticeFermionF > &  b,
const multi1d< Double > &  eval,
const multi2d< LatticeFermionF > &  evec,
int  startV,
int  endV,
const Real &  RsdCG,
int  MaxCG 
)

Definition at line 911 of file inv_eigcg2_array.cc.

References Chroma::A(), Chroma::b, Chroma::MaxCG, Chroma::RsdCG, vecPrecondCG_T(), and x.

◆ vecPrecondCG_T()

template<typename T >
SystemSolverResults_t Chroma::InvEigCG2ArrayEnv::vecPrecondCG_T ( const LinearOperatorArray< T > &  A,
multi1d< T > &  x,
const multi1d< T > &  b,
const multi1d< Double > &  eval,
const multi2d< T > &  evec,
int  startV,
int  endV,
const Real &  RsdCG,
int  MaxCG 
)

preconditioning algorithm

Definition at line 731 of file inv_eigcg2_array.cc.

References Chroma::A(), Chroma::StagPhases::alpha(), Chroma::b, Chroma::StagPhases::beta(), Chroma::d, Chroma::END_CODE(), Chroma::i, Chroma::InlinePropAndMatElemDistillation2Env::local::innerProduct(), Chroma::k, l, Chroma::MaxCG, Chroma::SystemSolverResults_t::n_count, Chroma::p, Chroma::PLUS, Chroma::QDP_error_exit(), Chroma::r, Chroma::SystemSolverResults_t::resid, Chroma::rsd_sq, Chroma::RsdCG, Chroma::START_CODE(), x, and z.

Referenced by vecPrecondCG().

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