MFNGetTolerances#

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

Synopsis#

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

Not Collective

Input Parameter#

  • mfn - the matrix function context

Output Parameters#

  • tol - the convergence tolerance

  • maxits - maximum number of iterations

Notes#

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

See Also#

MFNSetTolerances()

Level#

intermediate

Location#

src/mfn/interface/mfnopts.c

Examples#

src/mfn/tutorials/ex23.c
src/mfn/tutorials/ex23f.F90
src/mfn/tutorials/ex37.c
src/mfn/tutorials/ex26.c


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