petsc-3.8.4 2018-03-24
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KSPChebyshevEstEigGetKSP

Get the Krylov method context used to estimate eigenvalues for the Chebyshev method. If a Krylov method is not being used for this purpose, NULL is returned. The reference count of the returned KSP is not incremented: it should not be destroyed by the user.

Synopsis

#include "petscksp.h" 
PetscErrorCode KSPChebyshevEstEigGetKSP(KSP ksp, KSP *kspest)

Input Parameters

ksp - the Krylov space context

Output Parameters

kspest the eigenvalue estimation Krylov space context-

See Also

KSPChebyshevEstEigSet()

Level:intermediate
Location:
src/ksp/ksp/impls/cheby/cheby.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages