PCApplySymmetricLeft#

Applies the left part of a symmetric preconditioner to a vector.

Synopsis#

#include "petscksp.h" 
PetscErrorCode PCApplySymmetricLeft(PC pc, Vec x, Vec y)

Collective

Input Parameters#

  • pc - the preconditioner context

  • x - input vector

Output Parameter#

  • y - output vector

Note#

Currently, this routine is implemented only for PCICC and PCJACOBI preconditioners.

See Also#

KSP: Linear System Solvers, PC, PCApply(), PCApplySymmetricRight()

Level#

developer

Location#

src/ksp/pc/interface/precon.c

Implementations#

PCApplySymmetricLeft_Cholesky() in src/ksp/pc/impls/factor/cholesky/cholesky.c
PCApplySymmetricLeft_ICC() in src/ksp/pc/impls/factor/icc/icc.c
PCApplySymmetricLeft_ILU() in src/ksp/pc/impls/factor/ilu/ilu.c
PCApplySymmetricLeft_Shell() in src/ksp/pc/impls/shell/shellpc.c


Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages