Method intersection

core/Box.cpp:73–88

  }

Box Box::intersection(const Box& b) const {
  if (!intersects(b)) {
    return Box();
  }
  std::vector<unsigned long long> start(_start.size(),0), size(_start.size(),0);
  for (int i = 0; i < _start.size(); ++i) {
    start[i] = std::max(_start[i], b.getStart()[i]);
    unsigned long long end = std::min(_start[i] + _size[i], b.getStart()[i] + b.getSize()[i]);
    if(end > start[i])
      size[i] = end - start[i];
    else
      size[i] = 0;
  }

  return Box(start, size);
}