* Adds support for int4 in tfl.slice.

### Bug Fixes and Other Changes

* <SIMILAR TO ABOVE SECTION, BUT FOR OTHER IMPORTANT CHANGES / BUG FIXES>
* <IF A CHANGE CLOSES A GITHUB ISSUE, IT SHOULD BE DOCUMENTED HERE>
* <NOTES SHOULD BE GROUPED PER AREA>

* `tf.data`
    * Adds `NoneTensorSpec` to the public API so that `None`s in `element_spec`
      can be identified via `isinstance(..., tf.NoneTensorSpec)`.

ring); d.Equal(exp) != 1 { // t.Errorf("d is %v, expected %v", d, exp) // } } func TestSetBytesRoundTri(t *testing.T) { // TODO: values close to 0, close to 2^255-19, between 2^255-19 and 2^255-1, // and between 2^255 and 2^256-1. Test both the documented SetBytes // behavior, and that Bytes reduces them. } // Tests self-consistency between Multiply and Square. func TestConsistency(t *testing.T) { var x Element var x2, x2sq Element x = Element{1, 1, 1, 1, 1} x2.Multiply(&x, &x) x2sq.Square(&x) if...

additional input. // // WARNING: this type provides tightly scoped support for the DRBG // functionality we need for FIPS 140-3 _only_. This type _should not_ be used // outside of the FIPS 140-3 module for any other use. // // In particular, as documented, Counter does not support the derivation // function, or personalization strings which are necessary for safely using // this DRBG for generic purposes without leaking sensitive values. type Counter struct { // c is instantiated with K as the key...