PETSc version 3.16.6
PetscSortIntWithPermutation
Computes the permutation of values 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.
|
Notes
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
src/sys/utils/sortip.c
Index of all Sys routines
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Index of all manual pages