Function randomize_pt

code/data-structures/kd_tree.test.cpp:64–72

double pt[CURK];
void randomize_pt() {
  double lo = -10,
      hi = 10;

  for (int i = 0; i < CURK; i++) {
    pt[i] = uniform_real_distribution(lo, hi)(rng);
    pt[i] = round(pt[i] * 3.0) / 3.0;
  }
}

#define TREE1 1
#define TREE2 1