petsc-3.12.5 2020-03-29

VecPermute

Permutes a vector in place using the given ordering.

#include "petscvec.h" 
PetscErrorCode  VecPermute(Vec x, IS row, PetscBool inv)

	vec	- The vector
	order	- The ordering
	inv	- The flag for inverting the permutation

Note: This function does not yet support parallel Index Sets with non-local permutations

beginner