petsc-3.12.5 2020-03-29
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PCSHELL

 Creates a new preconditioner class for use with your own private data storage format.

Usage

            extern PetscErrorCode apply(PC,Vec,Vec);

            extern PetscErrorCode applyba(PC,PCSide,Vec,Vec,Vec);

            extern PetscErrorCode applytranspose(PC,Vec,Vec);

            extern PetscErrorCode setup(PC);

            extern PetscErrorCode destroy(PC);



            PCCreate(comm,&pc);



            PCSetType(pc,PCSHELL);



            PCShellSetContext(pc,ctx)



            PCShellSetApply(pc,apply);



            PCShellSetApplyBA(pc,applyba);               (optional)



            PCShellSetApplyTranspose(pc,applytranspose); (optional)



            PCShellSetSetUp(pc,setup);                   (optional)



            PCShellSetDestroy(pc,destroy);               (optional)





See Also

  PCCreate(), PCSetType(), PCType (for list of available types), PC,

MATSHELL, PCShellSetSetUp(), PCShellSetApply(), PCShellSetView(),
PCShellSetApplyTranspose(), PCShellSetName(), PCShellSetApplyRichardson(),
PCShellGetName(), PCShellSetContext(), PCShellGetContext(), PCShellSetApplyBA()

Level
advanced


Location

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

Examples

src/ksp/ksp/examples/tutorials/ex15.c.html

src/ksp/ksp/examples/tutorials/ex15f.F90.html

src/snes/examples/tutorials/ex3.c.html

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

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


Index of all PC routines

Table of Contents for all manual pages

Index of all manual pages