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
applytranspose - the application-provided preconditioning transpose routine

Calling sequence of `applytranspose`#

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

pc - the preconditioner, get the application context with PCShellGetContext()
xin - input vector
xout - output vector

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
src/tao/pde_constrained/tutorials/parabolic.c

Implementations#

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

Index of all PC routines
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Index of all manual pages