pub fn f64_64(bits: impl FnMut() -> u64) -> f64Expand description
Returns a random f64 distributed as a uniform 64-bit fixed-point real
in [0 . . 1) rounded down to the nearest representable value: every float
in [2⁻¹² . . 1), and the 2⁵² multiples of 2⁻⁶⁴ below 2⁻¹².