cps::AlgEig Class Reference
[Algorithms]

A class implementing a Ritz eigenvalue solver for the fermion matrix. More...

#include <alg_eig.h>

Inherits cps::Alg.

List of all members.

Public Member Functions
	AlgEig (Lattice &latt, CommonArg *c_arg, EigArg *arg)
virtual	~AlgEig ()
	Overloaded for backwards compatibility.
void	run (void)
void	run (Float **lambda)
	Performs the computation.

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Detailed Description

A class implementing a Ritz eigenvalue solver for the fermion matrix.

Definition at line 26 of file alg_eig.h.

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Constructor & Destructor Documentation

cps::AlgEig::AlgEig (  Lattice &  latt, CommonArg *  c_arg, EigArg *  arg )

Parameters: latt  The lattice on which to compute the condensate. c_arg  The common argument structure for all algorithms. arg  The algorithm parameters. Definition at line 82 of file alg_eig.C. References cps::ARRAY, cps::ERR, cps::Float, cps::Verbose::Flow(), cps::Lattice::FsiteSize(), cps::Verbose::Func(), cps::Verbose::FuncEnd(), cps::Error::General(), cps::GJP, cps::IFloat, cps::Verbose::Input(), cps::LIN, cps::LOG, cps::EigArg::Mass, cps::EigArg::Mass_final, cps::EigArg::Mass_init, cps::EigArg::Mass_len, cps::EigArg::Mass_step, cps::EigArg::MaxCG, cps::EigArg::N_eig, cps::NumChkb(), cps::EigArg::pattern_kind, cps::Error::Pointer(), cps::smalloc(), cps::GlobalJobParameter::VolNodeSites(), and cps::VRB.

cps::AlgEig::~AlgEig (   )  [virtual]

Overloaded for backwards compatibility. Definition at line 165 of file alg_eig.C. References cps::Verbose::Func(), cps::EigArg::N_eig, cps::sfree(), and cps::VRB.

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Member Function Documentation

void cps::AlgEig::run (  Float **  evalues  )

Performs the computation. Postcondition: The results are written to the file specified in the common_arg structure. < Copy over eigenvalues to return them Definition at line 201 of file alg_eig.C. References cps::Alg::AlgLattice(), cps::ARRAY, cps::CNV_FRM_NO, cps::CNV_FRM_YES, cps::Vector::CompDotProductGlbSum(), cps::Complex, cps::Vector::CopyVec(), cps::dclock(), cps::ERR, cps::Lattice::Fclass(), cps::Fclose(), cps::Lattice::FeigSolv(), cps::Float, cps::EigArg::fname, cps::Fopen(), cps::Fprintf(), cps::Lattice::FsiteSize(), cps::Verbose::Func(), cps::gamma_5(), cps::Error::General(), cps::GJP, cps::EigArg::hsum_dir, cps::Rcomplex::imag(), cps::LIN, cps::LOG, cps::EigArg::Mass, cps::EigArg::mass, cps::EigArg::Mass_final, cps::EigArg::Mass_init, cps::EigArg::Mass_step, cps::EigArg::Mass_val, cps::EigArg::N_eig, cps::EigArg::ncorr, cps::EigArg::pattern_kind, cps::print_flops(), cps::EigArg::print_hsum, cps::Lattice::RandGaussVector(), cps::Rcomplex::real(), cps::Verbose::Result(), cps::sfree(), cps::smalloc(), cps::GlobalJobParameter::Snodes(), cps::GlobalJobParameter::SnodeSites(), cps::GlobalJobParameter::Tnodes(), cps::GlobalJobParameter::TnodeSites(), cps::GlobalJobParameter::VolNodeSites(), cps::VRB, cps::GlobalJobParameter::Xnodes(), cps::GlobalJobParameter::XnodeSites(), cps::GlobalJobParameter::Ynodes(), cps::GlobalJobParameter::YnodeSites(), cps::GlobalJobParameter::Znodes(), and cps::GlobalJobParameter::ZnodeSites().

void cps::AlgEig::run (  void   )

Definition at line 188 of file alg_eig.C. References cps::Float. Referenced by cps::AlgMeas::RunTask().

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

• include/alg/alg_eig.h
• src/alg/alg_eig/alg_eig.C

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