'Fill the provided tensor with random values drawn from the Uniform
distribution, using normalized bounds.
Args:
params (tensor): Tensor to fill'

def fill(self, param):

    fan_in = param.shape[(0 if self.local else 1)]
    scale = np.sqrt((3.0 / fan_in))
    param[:] = self.be.rng.uniform((- scale), scale, param.shape)
