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 SNES context
force - PETSC_TRUE require 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, SNESSetTrustRegionTolerance(), SNESSetDivergenceTolerance()

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