PETSc version 3.16.6

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

intermediate