PCPARMSSetNonsymPerm#

Sets the type of permutation for the ARMS preconditioner: the standard symmetric ARMS or the non-symmetric ARMS (ARMS-ddPQ).

Synopsis#

#include "petscpc.h" 
PetscErrorCode PCPARMSSetNonsymPerm(PC pc, PetscBool nonsym)

Collective

Input Parameters#

  • pc - the preconditioner context

  • nonsym - PETSC_TRUE indicates the non-symmetric ARMS is used; PETSC_FALSE indicates the symmetric ARMS is used

Options Database Key#

  • -pc_parms_nonsymmetric_perm - sets the use of nonsymmetric permutation

Note#

See the pARMS function parms_PCSetPermType() for more information.

See Also#

PCPARMS

Level#

intermediate

Location#

src/ksp/pc/impls/parms/parms.c

Implementations#

PCPARMSSetNonsymPerm_PARMS in src/ksp/pc/impls/parms/parms.c

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