Function RndGaussian

tensorflow/core/kernels/lrn_op_test.cc:162–174

}

static double RndGaussian(random::SimplePhilox* rnd) {
  // Box-Muller transformation.
  // See, for example, http://www.taygeta.com/random/gaussian.html
  double x1, x2;
  double r;
  do {
    x1 = 2 * rnd->RandDouble() - 1;
    x2 = 2 * rnd->RandDouble() - 1;
    r = x1 * x1 + x2 * x2;
  } while (r == 0 || r >= 1.0);
  double w = sqrt(-2.0 * log(r) / r);
  return x1 * w;
}

#define TCASE(NAME, DEPTH, BATCH, DEPTH_RADIUS, BIAS, ALPHA, BETA)           \
  TEST_F(LRNFloatTest, NAME) {                                               \