petsc-3.7.7 2017-09-25
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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