include/pops/numerics/elliptic/linear/krylov_result.hpp Source File

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

• include
• pops
• numerics
• elliptic
• linear

krylov_result.hpp

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1#pragma once

2

10

11#include <pops/core/foundation/types.hpp>

12

13namespace pops {

14

16struct KrylovResult {

17 int iters = 0;

18 Real rel_residual = 0;

19 bool converged = false;

20};

21

22} // namespace pops

pops

Definition amr_hierarchy.hpp:29

pops::Real

double Real

Definition types.hpp:30

pops::KrylovResult

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

Definition krylov_result.hpp:16

pops::KrylovResult::iters

int iters

number of iterations performed

Definition krylov_result.hpp:17

pops::KrylovResult::rel_residual

Real rel_residual

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

Definition krylov_result.hpp:18

pops::KrylovResult::converged

bool converged

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

Definition krylov_result.hpp:19

types.hpp

Base scalar types and the POPS_HD macro (host+device portability).

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