round result of (highest as f64).log(2.0)
Even though (
1024f64).log(2.0) has an exact, representable, value, with rustc 1.32 on i386 it comes out as +9.
999999999999999985 with optimization enabled. And the rustc doesn't like having two defintions for U1024 etc.
Gbp-Pq: Name 1001_typenum_pr_115.patch