Sand, Putty, or Tripoly, it is not to be imagined that those Substances
can, by grating and fretting the Glass, bring all its least Particles to
an accurate Polish; so that all their Surfaces shall be truly plain or
truly spherical, and look all the same way, so as together to compose
one even Surface. The smaller the Particles of those Substances are, the
smaller will be the Scratches by which they continually fret and wear

        pull request
        [47772](https://github.com/tensorflow/tensorflow/pull/47772).
    *   In previous versions of TensorFlow, when a GPU was available,
        `tf.sparse.sparse_dense_matmul` introduced truly random noise in the
        forward path for data of type `tf.float32` but not for data of type
        `tf.float64` (for which there was no GPU implementation). In this