void BoxMiller(float mi , float sigma)
{
  std::ofstream myfile("out.txt", ios::out);

  const float max = 1.0f;

  for (int i = 0; i < 1000; i++)
  {
    float pi = 3.14f;
    float z1 = float(rand()) / RAND_MAX;
    float teta = 2.0*pi * float(rand()) / RAND_MAX;

    float r2 = (-2 * (log(z1)));
    float r = sqrt(r2);

    float y1 = r*(cos(teta));
    float y2 = r*(sin(teta));



    float temp = (y1 *  sigma) + mi;

    printf("%6.5f \n", temp);

    myfile << std::to_string(temp) << "\n";
  }

}