PETSc version 3.17.5

PCPARMSSetNonsymPerm

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

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

Collective on PC

	pc	- the preconditioner context
	nonsym	- PETSC_TRUE indicates the non-symmetric ARMS is used; PETSC_FALSE indicates the symmetric ARMS is used

-pc_parms_nonsymmetric_perm

- sets the use of nonsymmetric permutation

See the pARMS function parms_PCSetPermType for more information.

intermediate