PCSetPreSolve#
Sets function used by PCPreSolve()
which is intended for any preconditioner-specific actions that must be performed before the iterative solve itself.
Synopsis#
#include "petscksp.h"
PetscErrorCode PCSetPreSolve(PC pc, PetscErrorCode (*presolve)(PC, KSP))
Logically Collective
Input Parameters#
pc - the preconditioner object
presolve - the function to call before the solve
Calling sequence of presolve
#
PetscErrorCode presolve(PC pc, KSP ksp)
See Also#
PC
, PCSetUp()
, PCPreSolve()
Level#
developer
Location#
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages