PetscSortIntWithPermutation#
Computes the permutation of PetscInt that gives a sorted sequence.
Synopsis#
#include "petscsys.h"
PetscErrorCode PetscSortIntWithPermutation(PetscInt n, const PetscInt i[], PetscInt idx[])
Not Collective
Input Parameters#
n - number of values to sort
i - values to sort
idx - permutation array. Must be initialized to 0:n-1 on input.
Note#
On output i is unchanged and idx[i] is the position of the i-th smallest index in i.
See Also#
PetscSortInt(), PetscSortRealWithPermutation(), PetscSortIntWithArray()
Level#
intermediate
Location#
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages