PCApplyBAorABTranspose

 Applies the transpose of the preconditioner and operator to a vector. That is, applies tr(B) * tr(A) with left preconditioning, not tr(B*A) = tr(A)*tr(B).

Synopsis

#include "petscsles.h" 
int PCApplyBAorABTranspose(PC pc,PCSide side,Vec x,Vec y,Vec work)
Collective on PC and Vec

Input Parameters

pc - the preconditioner context
side - indicates the preconditioner side, one of PC_LEFT, PC_RIGHT, or PC_SYMMETRIC
x - input vector
work - work vector

Output Parameter

y -output vector

Keywords

PC, apply, operator, transpose

See Also

PCApply(), PCApplyTranspose(), PCApplyBAorAB()

Level:developer
Location:src/sles/pc/interface/precon.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages