PCShellSetMatApplyTranspose

Sets routine to use as preconditioner transpose.

Synopsis

#include "petscpc.h" 
PetscErrorCode PCShellSetMatApplyTranspose(PC pc, PetscErrorCode (*matapplytranspose)(PC pc, Mat xin, Mat xout))

Logically Collective

Input Parameters

• pc - the preconditioner context

• matapplytranspose - the application-provided preconditioning transpose routine

Calling sequence of matapplytranspose

• pc - the preconditioner

• xin - input matrix

• xout - output matrix

Note

You can get the PCSHELL context set with PCShellSetContext() using PCShellGetContext() if needed by matapplytranspose.

See Also

KSP: Linear System Solvers, PCSHELL, PCShellSetApplyRichardson(), PCShellSetSetUp(), PCShellSetApply(), PCShellSetContext(), PCShellSetApplyBA(), PCShellGetContext()

Level

intermediate

Location

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

Examples

src/ksp/ksp/tutorials/ex79.c

Implementations

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

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