petsc-3.7.7 2017-09-25
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PCGetOperatorsSet

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

Synopsis

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

Input Parameter

pc -the preconditioner context

Output Parameters

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

Keywords

PC, get, operators, matrix, linear system

See Also

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

Level:intermediate
Location:src/ksp/pc/interface/precon.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages