KSPGMRESSetHapTol

Sets the tolerence for GMRES and FGMRES to declare happy breakdown. for GMRES before restart.

Synopsis

int KSPGMRESSetHapTol(KSP ksp,PetscReal tol)
Collective on KSP

Input Parameters

ksp - the iterative context
tol - the tolerance (1.e-10 is the default)

Options Database Key

-ksp_gmres_haptol <tol> -

Keywords

KSP, GMRES, set, happy breakdown

See Also

KSPGMRESSetOrthogonalization(), KSPGMRESSetPreallocateVectors()

Level:advanced
Location:
src/sles/ksp/impls/gmres/gmres2.c
Index of all KSP routines
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