petsc-3.11.2 2019-05-18
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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
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Index of all manual pages