PCAIRGetAutoTruncateTol#

Returns the relative tolerance used by PCAIR to decide if a coarse-grid solver is good enough to truncate the hierarchy

Synopsis#

PETSC_EXTERN PetscErrorCode PCAIRGetAutoTruncateTol(PC pc, PetscReal *input_real)

Not Collective

Input Parameter#

pc - the PCAIR preconditioner context

Output Parameter#

input_real - the relative tolerance used to determine if a coarse-grid solver is good enough to truncate the hierarchy

See Also#

KSP: Linear System Solvers, PCAIR, PCAIRSetAutoTruncateTol(), PCAIRGetAutoTruncateStartLevel()

Level#

advanced

Index of all PC routines
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Index of all manual pages