petsc-3.13.6 2020-09-29
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PCShellSetApplyBA

 Sets routine to use as preconditioner times operator.

Synopsis

#include "petscpc.h" 
PetscErrorCode  PCShellSetApplyBA(PC pc,PetscErrorCode (*applyBA)(PC,PCSide,Vec,Vec,Vec))
Logically Collective on PC

Input Parameters

pc - the preconditioner context
applyBA - the Section 1.5 Writing Application Codes with PETSc-provided BA routine

Calling sequence of applyBA

   PetscErrorCode applyBA (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.

See Also

PCShellSetApplyRichardson(), PCShellSetSetUp(), PCShellSetApplyTranspose(), PCShellSetContext(), PCShellSetApply()

Level

developer

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