gmres_diagnostics.hpp File Reference

Optional Euclidean-norm error diagnostics for matrix-free solves. More...

#include <uni20/core/math.hpp>
#include <uni20/core/runtime_precision.hpp>
#include <algorithm>
#include <cstdint>
#include <optional>
#include <stdexcept>

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Classes
struct	uni20::krylov::gmres_detail::DiagnosticMagnitude< R >
struct	uni20::krylov::GmresErrorEstimates< R >
	Error estimates evaluated from the residual and supplied operator data. More...
struct	uni20::krylov::GmresOperatorEstimate< R >
	An application-supplied estimate or known upper bound. More...
struct	uni20::krylov::GmresOperatorEstimates< R >
	Optional properties of the original operator in the vector space's 2-norm. More...
struct	uni20::krylov::GmresResidual< R >
	Recomputed Euclidean norms for the published iterate. More...

Namespaces
namespace	uni20
namespace	uni20::krylov
namespace	uni20::krylov::gmres_detail

Enumerations
enum class	uni20::krylov::GmresEstimateKind { uni20::krylov::estimate , uni20::krylov::upper_bound }
	Provenance of a supplied operator quantity, not of a computed error. More...

Functions
template<Real R>
DiagnosticMagnitude< R >	uni20::krylov::gmres_detail::add (DiagnosticMagnitude< R > const &a, DiagnosticMagnitude< R > const &b)
template<Real R>
R	uni20::krylov::gmres_detail::diagnostic_scale (R const &fraction, __int128_t exponent)
template<Real R>
std::optional< GmresErrorEstimates< R > >	uni20::krylov::gmres_detail::error_estimates (GmresResidual< R > const &residual, GmresOperatorEstimates< R > const &properties)
template<Real R>
DiagnosticMagnitude< R >	uni20::krylov::gmres_detail::magnitude (R const &value)
template<Real R>
DiagnosticMagnitude< R >	uni20::krylov::gmres_detail::multiply (DiagnosticMagnitude< R > const &a, DiagnosticMagnitude< R > const &b)
template<Real R>
GmresOperatorEstimates< R >	uni20::krylov::gmres_detail::operator_estimates_at_precision (GmresOperatorEstimates< R > const &input, Precision p)
template<Real R>
R	uni20::krylov::gmres_detail::ratio (DiagnosticMagnitude< R > const &a, DiagnosticMagnitude< R > const &b)

Detailed Description

Optional Euclidean-norm error diagnostics for matrix-free solves.