petsc-3.7.7 2017-09-25
   
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