1: static char help[] = "Tests PetscSortIntWithPermutation().\n\n";

  3: #include <petscsys.h>

  5: int main(int argc, char **argv)
  6: {
  7:   PetscInt x[]  = {39, 9, 39, 39, 29}, index[5];
  8:   PetscInt x2[] = {39, 9, 19, 39, 29, 39, 29, 39}, index2[8];

 10:   PetscFunctionBeginUser;
 11:   PetscCall(PetscInitialize(&argc, &argv, NULL, help));
 12:   PetscCall(PetscPrintf(PETSC_COMM_SELF, "1st test\n"));
 13:   for (PetscInt i = 0; i < 5; i++) index[i] = i;
 14:   PetscCall(PetscSortIntWithPermutation(5, x, index));
 15:   for (PetscInt i = 0; i < 5; i++) PetscCall(PetscPrintf(PETSC_COMM_SELF, " %" PetscInt_FMT "     %" PetscInt_FMT "     %" PetscInt_FMT "\n", x[i], index[i], x[index[i]]));

 17:   PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n2nd test\n"));
 18:   for (PetscInt i = 0; i < 8; i++) index2[i] = i;
 19:   PetscCall(PetscSortIntWithPermutation(8, x2, index2));
 20:   for (PetscInt i = 0; i < 8; i++) PetscCall(PetscPrintf(PETSC_COMM_SELF, " %" PetscInt_FMT "     %" PetscInt_FMT "     %" PetscInt_FMT "\n", x2[i], index2[i], x2[index2[i]]));
 21:   PetscCall(PetscFinalize());
 22:   return 0;
 23: }

 25: /*TEST

 27:    test:

 29: TEST*/