petsc-3.13.6 2020-09-29
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KSPGetOperatorsSet

Determines if the matrix associated with the linear system and possibly a different one associated with the preconditioner have been set in the KSP.

Synopsis

#include "petscksp.h" 
PetscErrorCode  KSPGetOperatorsSet(KSP ksp,PetscBool  *mat,PetscBool  *pmat)
Not collective, though the results on all processes should be the same

Input Parameter

pc -the KSP context

Output Parameters

mat - the matrix associated with the linear system was set
pmat - matrix associated with the preconditioner was set, usually the same

See Also

PCSetOperators(), KSPGetOperators(), KSPSetOperators(), PCGetOperators(), PCGetOperatorsSet()

Level

intermediate

Location

src/ksp/ksp/interface/itcreate.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages