PCAIRGetCoarsestInverseType#

Returns the type of approximate inverse used as the PCAIR coarse-grid solver

Synopsis#

PETSC_EXTERN PetscErrorCode PCAIRGetCoarsestInverseType(PC pc, PCPFLAREINVType *inverse_type)

Not Collective

Input Parameter#

pc - the PCAIR preconditioner context

Output Parameter#

inverse_type - the approximate inverse type, one of PFLAREINV_POWER, PFLAREINV_ARNOLDI, PFLAREINV_NEWTON, PFLAREINV_NEWTON_NO_EXTRA, PFLAREINV_NEUMANN, PFLAREINV_SAI, PFLAREINV_ISAI, PFLAREINV_WJACOBI, or PFLAREINV_JACOBI

See Also#

KSP: Linear System Solvers, PCAIR, PCAIRSetCoarsestInverseType(), PCPFLAREINVType, PCAIRGetInverseType(), PCAIRGetCoarsestPolyOrder()

Level#

intermediate

Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages