petsc-3.12.5 2020-03-29
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PetscSortRealWithPermutation

 Computes the permutation of values that gives a sorted sequence.

Synopsis

#include "petscsys.h"  
PetscErrorCode  PetscSortRealWithPermutation(PetscInt n,const PetscReal 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

i is unchanged on output.

See Also

PetscSortReal(), PetscSortIntWithPermutation()

Level

intermediate

Location

src/sys/utils/sortip.c

Examples

src/ts/examples/tutorials/extchem.c.html

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