PCShellSetApplyTranspose#

Sets routine to use as preconditioner transpose.

Synopsis#

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

Logically Collective

Input Parameters#

  • pc - the preconditioner context

  • apply - the application-provided preconditioning transpose routine

Calling sequence of apply#

   PetscErrorCode applytranspose (PC pc,Vec xin,Vec xout)
  • pc - the preconditioner, get the application context with PCShellGetContext()

  • xin - input vector

  • xout - output vector

Note#

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

Note#

Uses the same context variable as PCShellSetApply().

See Also#

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

Level#

intermediate

Location#

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

Examples#

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

Implementations#

PCShellSetApplyTranspose_Shell(PC pc, PetscErrorCode (*applytranspose) in src/ksp/pc/impls/shell/shellpc.c


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