petsc-3.9.4 2018-09-11

DMPlexPermute

Reorder the mesh according to the input permutation

#include "petscdmplex.h"   
#include "petscmat.h"      
PetscErrorCode DMPlexPermute(DM dm, IS perm, DM *pdm)

Collective on DM

	dm	- The DMPlex object
	perm	- The point permutation, perm[old point number] = new point number

pdm -The permuted DM

mesh

intermediate