def METHOD_NAME(random_seed, features=3):
    rng = np.random.RandomState(random_seed)
    _X = rng.rand(100, features)
    _Y = rng.rand(5, features)
    X_64 = _X.astype(dtype=np.float64, copy=False)
    Y_64 = _Y.astype(dtype=np.float64, copy=False)
    X_32 = _X.astype(dtype=np.float32, copy=False)
    Y_32 = _Y.astype(dtype=np.float32, copy=False)
    return X_64, X_32, Y_64, Y_32