#author("2025-05-11T16:53:18+00:00","default:yoya","yoya")
#author("2026-01-28T06:29:14+00:00","default:yoya","yoya")
- [[IEEE754]] - [[Kahan]]

* Ryū: fast float-to-string conversion [#ryu]
* 文字列化 [#af91b817]

** Ryū: fast float-to-string conversion [#ryu]

- https://dl.acm.org/doi/10.1145/3296979.3192369
- https://github.com/ulfjack/ryu/
- https://crates.io/crates/ryu/

** loating-Point Printing and Parsing Can Be Simple And Fast [#ib153968]

- https://research.swtch.com/fp
- https://research.swtch.com/fp-proof

- https://x.com/helloyuki_/status/2016305556945043945
>
Russ Cox氏によるもの。Go 1.27に入る予定らしい。 

* harf float [#e4b21a7e]

- [[BFLOAT16]]

- Fast Half Float Conversions
--  http://fox-toolkit.org/ftp/fasthalffloatconversion.pdf

*. [#mac0a448]

- x86における浮動小数点演算の精度の制御と、80bit 浮動小数点演算問題
--  https://www.takeoka.org/~take/cpu/num/float80bit.html

- Protocol - FloatingPoint - A floating-point numeric type.
--  https://developer.apple.com/documentation/swift/floatingpoint

- 浮動小数点数型と誤差
--  https://www.cc.kyoto-su.ac.jp/~yamada/programming/float.html

- IEEE 754以外の固定長の数値表現について
--  https://lpha-z.hatenablog.com/entry/2025/05/11/231500