Method round_vec

src/vec.cpp:32–36

static bool isinteger(double value) { return value == floor(value); }

ivec grid_volume::round_vec(const vec &p) const {
  ivec result(dim);
  LOOP_OVER_DIRECTIONS(dim, d) { result.set_direction(d, my_round(p.in_direction(d) * 2 * a)); }
  return result;
}

void grid_volume::set_origin(const ivec &o) {
  io = o;