PETSc version 3.17.2
KSPGuessSetTolerance
Sets the relative tolerance used in either eigenvalue (POD) or singular value (Fischer type 3) calculations. Ignored by the first and second Fischer types.
Synopsis
#include "petscksp.h"
PetscErrorCode KSPGuessSetTolerance(KSPGuess guess, PetscReal tol)
Collective on guess
Input Parameter
See Also
KSPGuess, KSPGuessType, KSPGuessSetFromOptions()
Level
intermediate
Location
src/ksp/ksp/interface/iguess.c
Implementations
KSPGuessSetTolerance_Fischer in src/ksp/ksp/guess/impls/fischer/fischer.c
KSPGuessSetTolerance_POD in src/ksp/ksp/guess/impls/pod/pod.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages