petsc-3.14.6 2021-03-30
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SNESSetMaxLinearSolveFailures

 the number of failed linear solve attempts allowed before SNES returns with a diverged reason of SNES_DIVERGED_LINEAR_SOLVE

Synopsis

#include "petscsnes.h"  
PetscErrorCode  SNESSetMaxLinearSolveFailures(SNES snes, PetscInt maxFails)
Logically Collective on SNES

Input Parameters

snes - SNES context
maxFails - maximum allowed linear solve failures

Options Database Keys

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

Notes

By default this is 0; that is SNES returns on the first failed linear solve

See Also

SNESGetLinearSolveFailures(), SNESGetMaxLinearSolveFailures(), SNESGetLinearSolveIterations()

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