uni20::krylov::TaylorExponentialParams< Scalar > Struct Template Reference

Parameters for conservative Taylor scaling exponential actions. More...

#include <taylor_exponential.hpp>

Collaboration diagram for uni20::krylov::TaylorExponentialParams< Scalar >:

Public Attributes
KrylovDiagnosticsLevel	diagnostics = KrylovDiagnosticsLevel::None
	Optional diagnostic retention level.
int	max_scaling_steps = 100000
	Maximum number of scaled Taylor steps allowed.
int	max_taylor_degree = 200
	Maximum Taylor degree allowed within one scaled step.
Scalar	step_norm_limit = Scalar{0.5}
	Target upper bound for ||h A|| in one scaled Taylor step.
bool	throw_on_nonconvergence = true
	Throw if any scaled step fails to satisfy the tail bound.
Scalar	tolerance = Scalar{}
	Absolute action tolerance; zero selects 100 * epsilon.

Detailed Description

template<uni20::Real Scalar>
struct uni20::krylov::TaylorExponentialParams< Scalar >

Parameters for conservative Taylor scaling exponential actions.

Template Parameters

Scalar

Real scalar type used for tolerances and norm bounds.

Member Data Documentation

diagnostics

template<uni20::Real Scalar>

KrylovDiagnosticsLevel uni20::krylov::TaylorExponentialParams< Scalar >::diagnostics = KrylovDiagnosticsLevel::None

Optional diagnostic retention level.

max_scaling_steps

template<uni20::Real Scalar>

int uni20::krylov::TaylorExponentialParams< Scalar >::max_scaling_steps = 100000

Maximum number of scaled Taylor steps allowed.

max_taylor_degree

template<uni20::Real Scalar>

int uni20::krylov::TaylorExponentialParams< Scalar >::max_taylor_degree = 200

Maximum Taylor degree allowed within one scaled step.

step_norm_limit

template<uni20::Real Scalar>

Scalar uni20::krylov::TaylorExponentialParams< Scalar >::step_norm_limit = Scalar{0.5}

Target upper bound for ||h A|| in one scaled Taylor step.

throw_on_nonconvergence

template<uni20::Real Scalar>

bool uni20::krylov::TaylorExponentialParams< Scalar >::throw_on_nonconvergence = true

Throw if any scaled step fails to satisfy the tail bound.

tolerance

template<uni20::Real Scalar>

Scalar uni20::krylov::TaylorExponentialParams< Scalar >::tolerance = Scalar{}

Absolute action tolerance; zero selects 100 * epsilon.

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

• taylor_exponential.hpp