function takes either array or a view

[nbecker]

I tried coding this to find max_element using a binary search:

template<typename flt_t>
flt_t max_element2 (nd::Array<flt_t,1,1> const& in) {
  if (boost::size(in) == 1)
    return in[0];
  else {
    flt_t a = max_element2 (in[nd::view(0,boost::size(in)/2)]);
    flt_t b = max_element2 (in[nd::view(boost::size(in)/2)()]);
    return std::max (a, b);
  }
}

But it doesn't compile, because the recursive call passing a view doesn't match the function sig. I also tried ArrayRef, but same result. What is the correct way to code this?