PETSc version 3.15.5
PCShellSetMatApply
Sets routine to use as preconditioner on a block of vectors. 
Synopsis
#include "petscpc.h" 
PetscErrorCode  PCShellSetMatApply(PC pc,PetscErrorCode (*matapply)(PC,Mat,Mat))
Logically Collective on PC
Input Parameters
|  | pc | - the preconditioner context | 
|  | apply | - the application-provided preconditioning routine | 
Calling sequence of apply
   PetscErrorCode apply (PC pc,Mat Xin,Mat Xout)
|  | pc | - the preconditioner, get the application context with PCShellGetContext() | 
|  | Xin | - input block of vectors | 
|  | Xout | - output block of vectors | 
Notes
the function MUST return an error code of 0 on success and nonzero on failure.
See Also
 PCShellSetApply()
Level
developer
Location
src/ksp/pc/impls/shell/shellpc.c
Examples
src/ksp/ksp/tutorials/ex79.c.html
Implementations
PCShellSetMatApply_Shell(PC pc,PetscErrorCode (*matapply) in src/ksp/pc/impls/shell/shellpc.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages