petsc-3.13.6 2020-09-29
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PCShellSetApplyTranspose

 Sets routine to use as preconditioner transpose.

Synopsis

#include "petscpc.h" 
PetscErrorCode  PCShellSetApplyTranspose(PC pc,PetscErrorCode (*applytranspose)(PC,Vec,Vec))
Logically Collective on PC

Input Parameters

pc - the preconditioner context
apply - the Section 1.5 Writing Application Codes with PETSc-provided preconditioning transpose routine

Calling sequence of apply

   PetscErrorCode applytranspose (PC pc,Vec xin,Vec xout)

pc - the preconditioner, get the Section 1.5 Writing Application Codes with PETSc context with PCShellGetContext()
xin - input vector
xout - output vector

Notes

the function MUST return an error code of 0 on success and nonzero on failure.

Notes

Uses the same context variable as PCShellSetApply().

See Also

PCShellSetApplyRichardson(), PCShellSetSetUp(), PCShellSetApply(), PCSetContext(), PCShellSetApplyBA()

Level

developer

Location

src/ksp/pc/impls/shell/shellpc.c

Examples

src/tao/pde_constrained/tutorials/parabolic.c.html
src/tao/pde_constrained/tutorials/hyperbolic.c.html

Implementations

PCShellSetApplyTranspose_Shell(PC pc,PetscErrorCode (*applytranspose) 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