SNESSetForceIteration#
force SNESSolve() to take at least one iteration regardless of the initial residual norm
Synopsis#
#include "petscsnes.h"
PetscErrorCode SNESSetForceIteration(SNES snes, PetscBool force)
Logically Collective
Input Parameters#
snes - the
SNEScontextforce -
PETSC_TRUErequire at least one iteration
Options Database Key#
-snes_force_iteration
- Sets forcing an iteration
Note#
This is used sometimes with TS to prevent TS from detecting a false steady state solution
See Also#
SNES: Nonlinear Solvers, SNES, TS, SNESSetDivergenceTolerance()
Level#
intermediate
Location#
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages