bors 4cf3dc19a1 Auto merge of #76017 - JulianKnodt:fmt_fast, r=nagisa ... Use less divisions in display u128/i128 This PR is an absolute mess, and I need to test if it improves the speed of fmt::Display for u128/i128, but I think it's correct. It hopefully is more efficient by cutting u128 into at most 2 u64s, and also chunks by 1e16 instead of just 1e4. Also I specialized the implementations for uints to always be non-false because it bothered me that it was checked at all Do not merge until I benchmark it and also clean up the god awful mess of spaghetti. Based on prior work in #44583 cc: `@Dylan-DPC` Due to work on `itoa` and suggestion in original issue: r? `@dtolnay`		2020-10-04 02:24:20 +00:00
..
rt	mv std libs to library/	2020-07-27 19:51:13 -05:00
builders.rs	mv std libs to library/	2020-07-27 19:51:13 -05:00
float.rs	flt2dec: properly handle uninitialized memory	2020-09-02 12:41:38 +02:00
mod.rs	review: fix nits and move panic safety tests to the correct place	2020-09-25 23:10:24 +02:00
num.rs	Use more efficient scheme for display u128/i128	2020-09-28 20:38:38 +00:00