petsc-3.14.6 2021-03-30
ISColoringCreate
Generates an ISColoring context from lists (provided by each processor) of colors for each node.
Synopsis
#include "petscis.h"
PetscErrorCode ISColoringCreate(MPI_Comm comm,PetscInt ncolors,PetscInt n,const ISColoringValue colors[],PetscCopyMode mode,ISColoring *iscoloring)
Collective
Input Parameters
| comm | - communicator for the processors creating the coloring
|
| ncolors | - max color value
|
| n | - number of nodes on this processor
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| colors | - array containing the colors for this processor, color numbers begin at 0.
|
| mode | - see PetscCopyMode for meaning of this flag.
|
Output Parameter
| iscoloring | - the resulting coloring data structure
|
Options Database Key
Notes
By default sets coloring type to IS_COLORING_GLOBAL
See Also
MatColoringCreate(), ISColoringView(), ISColoringDestroy(), ISColoringSetType()
Level
advanced
Location
src/vec/is/is/utils/iscoloring.c
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages