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

KSP: Linear System Solvers, 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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