petsc-3.12.5 2020-03-29

MatColoringRegister

Adds a new sparse matrix coloring to the matrix package.

#include "petscmat.h"  
PetscErrorCode  MatColoringRegister(const char sname[],PetscErrorCode (*function)(MatColoring))

Not Collective

	sname	- name of Coloring (for example MATCOLORINGSL)
	function	- function pointer that creates the coloring

   MatColoringRegister("my_color",MyColor);

Then, your partitioner can be chosen with the procedural interface via

    MatColoringSetType(part,"my_color")

or at runtime via the option

    -mat_coloring_type my_color

developer