static char help[] = "Tests PetscMergeIntArray\n";

#include <petscsys.h>
#include <petscviewer.h>

int main(int argc, char **argv)
{
  const PetscInt first[] = {0, 2, 3, 5, 8}, second[] = {1, 3, 4, 8, 10, 11};
  PetscInt      *result, n;

  PetscFunctionBeginUser;
  PetscCall(PetscInitialize(&argc, &argv, NULL, help));
  PetscCall(PetscMergeIntArray(5, first, 6, second, &n, &result));
  PetscCall(PetscIntView(n, result, PETSC_VIEWER_STDOUT_SELF));
  PetscCall(PetscFinalize());
  return 0;
}