Yeah I'm not a math wiz and the older I get the harder I find maths.
But sometimes you can't evade maths in programming.
So here's my question for math wizards.
Essentially, I'm trying to write an url shortener.
And I found this package I agree with (don't re-invent the wheel)
https://github.com/n
For 64 bit word size: https://stackoverflow.com/questions/11376288/fast
-computing-of-log2-for-64-bit-integers/11398748#11398748
This can be derived from examples in https://graphics.stanford.edu/~sea
nder/bithacks.html which gives the 32 bit version.
However, the math/bits package gives you Len,
