KrylovResult Struct Reference

adc_cpp 0.3.0 Model-free C++23 core for coupled hyperbolic-elliptic systems on adaptive (AMR) meshes, with MPI and GPU (Kokkos) backends

• pops
• KrylovResult

Public Attributes | List of all members

pops::KrylovResult Struct Reference

Outcome of a Krylov solve: iterations performed, final relative residual, convergence flag. More...

#include <krylov_result.hpp>

Collaboration diagram for pops::KrylovResult:

Public Attributes
int	iters = 0
	number of iterations performed
Real	rel_residual = 0
	||r_final|| / ||b|| (global L2 norm; base 1 when ||b|| == 0)
bool	converged = false
	true if ||r|| <= rel_tol * ||b|| was reached

Detailed Description

Outcome of a Krylov solve: iterations performed, final relative residual, convergence flag.

Member Data Documentation

◆ converged

bool pops::KrylovResult::converged = false

true if ||r|| <= rel_tol * ||b|| was reached

◆ iters

int pops::KrylovResult::iters = 0

number of iterations performed

◆ rel_residual

Real pops::KrylovResult::rel_residual = 0

||r_final|| / ||b|| (global L2 norm; base 1 when ||b|| == 0)

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

• include/pops/numerics/elliptic/linear/krylov_result.hpp

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