petsc-3.14.6 2021-03-30
PCHYPRESetDiscreteCurl
Set discrete curl matrix
Synopsis
#include "petscpc.h"
PetscErrorCode PCHYPRESetDiscreteCurl(PC pc, Mat C)
Collective on PC
Input Parameters
| pc | - the preconditioning context
|
| C | - the discrete curl
|
Notes
C should have as many rows as the number of faces and as many columns as the number of edges in the mesh
Each row of G has as many nonzeros as the number of edges of a face, with column indexes being the global indexes of the corresponding edge: matrix entries are +1 and -1 depending on edge orientation with respect to the face orientation
See Also
Level
intermediate
Location
src/ksp/pc/impls/hypre/hypre.c
Implementations
PCHYPRESetDiscreteCurl_HYPRE in src/ksp/pc/impls/hypre/hypre.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages