operator()() [2/2]

template<typename Matrix , typename Vector , template< typename > class Solver, template< typename > class Ortho = NoOrthoMat>

template<typename... Pars>

IterativeExit syten::Krylov::ClassicImpl::Classic< Matrix, Vector, Solver, Ortho >::operator() ( Vector  v, IterativeConfig const &  conf, Pars &&...  pars  )

inline

operator() implements the Lanczos algorithm; discards all previous data

Parameters

v	the (random) starting vector
conf	the configuration for the iteration
pars	additional pars, needed for the solver

Returns

info on the execution (number of iterations, exit code)

References syten::Krylov::ClassicImpl::Classic< Matrix, Vector, Solver, Ortho >::a, syten::Krylov::ClassicImpl::Classic< Matrix, Vector, Solver, Ortho >::b, std::vector< T >::back(), syten::Krylov::ClassicImpl::Classic< Matrix, Vector, Solver, Ortho >::krylov, syten::Krylov::ClassicImpl::Classic< Matrix, Vector, Solver, Ortho >::lanczosPart2(), std::move(), syten::Krylov::norm(), SYTEN_ZNORM_THRESHOLD, syten::underThreshold(), and syten::Krylov::ClassicImpl::Classic< Matrix, Vector, Solver, Ortho >::vec.

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