petsc-3.9.4 2018-09-11
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SNESGetLinearSolveFailures

 Gets the number of failed (non-converged) linear solvers.

Synopsis

#include "petscsnes.h"  
PetscErrorCode  SNESGetLinearSolveFailures(SNES snes,PetscInt *nfails)
Not Collective

Input Parameter

snes -SNES context

Output Parameter

nfails -number of failed solves

Options Database Keys

-snes_max_linear_solve_fail <num> -The number of failures before the solve is terminated

Notes

This counter is reset to zero for each successive call to SNESSolve().

Keywords

SNES, nonlinear, get, number, unsuccessful, steps

See Also

SNESGetMaxLinearSolveFailures(), SNESGetLinearSolveIterations(), SNESSetMaxLinearSolveFailures()

Level

intermediate

Location

src/snes/interface/snes.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages