slepc-3.22.2 2024-12-02

MFNGetTolerances

Gets the tolerance and maximum iteration count used by the MFN convergence tests.

#include "slepcmfn.h" 
PetscErrorCode MFNGetTolerances(MFN mfn,PetscReal *tol,PetscInt *maxits)

Not Collective

mfn

- the matrix function context

	tol	- the convergence tolerance
	maxits	- maximum number of iterations

The user can specify NULL for any parameter that is not needed.

intermediate