SNESNGMRESSetRestartType#

Sets the restart type for SNESNGMRES.

Synopsis#

#include "petscsnes.h" 
PetscErrorCode SNESNGMRESSetRestartType(SNES snes, SNESNGMRESRestartType rtype)

Logically Collective

Input Parameters#

snes - the iterative context
rtype - restart type

Options Database Keys#

-snes_ngmres_restart_type<difference,periodic,none> - set the restart type
-snes_ngmres_restart[30] - sets the number of iterations before restart for periodic

`SNESNGMRESRestartType`s#

SNES_NGMRES_RESTART_NONE - never restart
SNES_NGMRES_RESTART_DIFFERENCE - restart based upon difference criteria
SNES_NGMRES_RESTART_PERIODIC - restart after a fixed number of iterations

See Also#

SNES_NGMRES_RESTART_DIFFERENCE, SNESNGMRES, SNESNGMRESRestartType, SNESNGMRESSetRestartFmRise()

Level#

intermediate

Location#

src/snes/impls/ngmres/snesngmres.c

Implementations#

SNESNGMRESSetRestartType_NGMRES in src/snes/impls/ngmres/snesngmres.c

Index of all SNES routines
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Index of all manual pages