petsc-3.7.5 2017-01-01
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 on PC and Vec
Input Parameters
| pc | - the preconditioner context
|
| x | - input vector
|
Output Parameter
y -output vector
Notes
Currently, this routine is implemented only for PCICC and PCJACOBI preconditioners.
Keywords
PC, apply, symmetric, left
See Also
PCApply(), PCApplySymmetricRight()
Level:developer
Location:src/ksp/pc/interface/precon.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages