PCShellSetApplyBA#

Sets routine to use as the preconditioner times the operator.

Synopsis#

#include "petscpc.h" 
PetscErrorCode PCShellSetApplyBA(PC pc, PetscErrorCode (*applyBA)(PC pc, PCSide side, Vec xin, Vec xout, Vec w))

Logically Collective

Input Parameters#

pc - the preconditioner context
applyBA - the application-provided BA routine

Calling sequence of `applyBA`#

pc - the preconditioner
side - PC_LEFT, PC_RIGHT, or PC_SYMMETRIC
xin - input vector
xout - output vector
w - work vector

Note#

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

See Also#

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

Level#

intermediate

Location#

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

Implementations#

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

Index of all PC routines
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Index of all manual pages