PETSc version 3.17.2
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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

guess - KSPGuess object

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
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