* Add ops to `tensorflow.raw_ops` that were missing.

* `tf.CheckpointOptions`

EDIT. package fiat // Invert sets e = 1/x, and returns e. // // If x == 0, Invert returns e = 0. func (e *Element) Invert(x *Element) *Element { // Inversion is implemented as exponentiation with exponent p − 2. // The sequence of {{ .Ops.Adds }} multiplications and {{ .Ops.Doubles }} squarings is derived from the // following addition chain generated with {{ .Meta.Module }} {{ .Meta.ReleaseTag }}. // {{- range lines (format .Script) }} // {{ . }} {{- end }} // var z = new(Element).Set(e) {{- range .Program.Temporaries...