petsc-3.14.6 2021-03-30

KSPSetPC

Sets the preconditioner to be used to calculate the application of the preconditioner on a vector.

#include "petscksp.h" 
#include "petscmat.h" 
PetscErrorCode  KSPSetPC(KSP ksp,PC pc)

Collective on ksp

	ksp	- iterative context obtained from KSPCreate()
	pc	- the preconditioner object (can be NULL)

Use KSPGetPC() to retrieve the preconditioner context.

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