#include "petscpc.h" PetscErrorCode PCHYPRESetDiscreteCurl(PC pc, Mat C)Collective on PC
| 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