petsc-3.7.1 2016-05-15
PCCreate
Creates a preconditioner context.
Synopsis
#include "petscksp.h"
PetscErrorCode PCCreate(MPI_Comm comm,PC *newpc)
Collective on MPI_Comm Many br
Input Parameter
comm -MPI communicator Many br
Output Parameter
pc -location to put the preconditioner context Many br
Notes
The default preconditioner for sparse matrices is PCILU or PCICC with 0 fill on one process and block Jacobi with PCILU or ICC Many brin parallel. For dense matrices it is always PCNONE. Many br
Many br
Keywords
PC, create, context
See Also
PCSetUp(), PCApply(), PCDestroy()
Level:developer
Location:src/ksp/pc/interface/precon.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/ksp/ksp/examples/tutorials/ex21f.F.html
src/snes/examples/tutorials/ex74f.F90.html