petsc-3.7.1 2016-05-15
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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 Many br

Input Parameters

n - number of values to sort Many br
i - values to sort Many br
idx - permutation array. Must be initialized to 0:n-1 on input. Many br

Many br

Notes

On output i is unchanged and idx[i] is the position of the i-th smallest index in i. Many br

See Also

PetscSortInt(), PetscSortRealWithPermutation(), PetscSortIntWithArray()

Level:intermediate
Location:
src/sys/utils/sortip.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages