PCAIRSetSymmetric

Sets whether PCAIR defines the prolongator as the transpose of the restrictor

Synopsis

PETSC_EXTERN PetscErrorCode PCAIRSetSymmetric(PC pc, PetscBool input_bool)

Logically Collective

Input Parameters

• pc - the PCAIR preconditioner context

• input_bool - PETSC_TRUE to use symmetric grid-transfer operators, defining the prolongator as R^T

Options Database Key

• -pc_air_symmetric (true|false) - define the prolongator as R^T, giving symmetric grid-transfer operators; defaults to false

See Also

KSP: Linear System Solvers, PCAIR, PCAIRGetSymmetric(), PCAIRSetOnePointClassicalProlong()

Level

advanced

Index of all PC routines
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Index of all manual pages