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

#include <petscsys.h>

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

  ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
  ierr = PetscPrintf(PETSC_COMM_SELF,"1st test\n");CHKERRQ(ierr);
  for (i=0; i<5; i++) index[i] = i;
  ierr = PetscSortIntWithPermutation(5, x, index);CHKERRQ(ierr);
  for (i=0; i<5; i++) {ierr = PetscPrintf(PETSC_COMM_SELF," %" PetscInt_FMT "     %" PetscInt_FMT "     %" PetscInt_FMT "\n",x[i], index[i],x[index[i]]);CHKERRQ(ierr);}

  ierr = PetscPrintf(PETSC_COMM_SELF,"\n2nd test\n");CHKERRQ(ierr);
  for (i=0; i<8; i++) index2[i] = i;
  ierr = PetscSortIntWithPermutation(8, x2, index2);CHKERRQ(ierr);
  for (i=0; i<8; i++) {ierr = PetscPrintf(PETSC_COMM_SELF," %" PetscInt_FMT "     %" PetscInt_FMT "     %" PetscInt_FMT "\n",x2[i], index2[i],x2[index2[i]]);CHKERRQ(ierr);}
  ierr = PetscFinalize();
  return ierr;
}

/*TEST

   test:

TEST*/