http://wiki.linuxtoy.cn/ 2026-05-14T17:09:54+00:00 http://wiki.linuxtoy.cn/ http://wiki.linuxtoy.cn/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2025-02-02T15:10:28+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.linuxtoy.cn/doku.php?id=blog:algorithms:bit_twiddling&rev=1738509028&do=diff Bit operations algorithms This article is from <http://bits.stephan-brumme.com/> Many thanks to STEPHAN BRUMME Round up to the next power of two 将一个数向上对齐到2的幂 例如 3 对齐后为 $2^2$ = 4 5 对齐后为 $2^3$ = 8 10 对齐后为 $2^4$ = 16 I get the code from the pipe project of Clark Gaebel