From a94748ec6da9bdc6e25a7f73bbea723b8b55fa33 Mon Sep 17 00:00:00 2001 From: Zachary T Welch Date: Mon, 16 Nov 2009 02:53:57 -0800 Subject: rename CEIL as DIV_ROUND_UP Improves the name of this macro, moves it to types.h, and adds a block of Doxygen comments to describe what it does. --- src/helper/types.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'src/helper/types.h') diff --git a/src/helper/types.h b/src/helper/types.h index a8753c5f..8f6283b5 100644 --- a/src/helper/types.h +++ b/src/helper/types.h @@ -73,6 +73,15 @@ typedef bool _Bool; (type *)( (char *)__mptr - offsetof(type,member) );}) +/** + * Rounds @c m up to the nearest multiple of @c n using division. + * @params m The value to round up to @c n. + * @params n Round @c m up to a multiple of this number. + * @returns The rounded integer value. + */ +#define DIV_ROUND_UP(m, n) (((m) + (n) - 1) / (n)) + + /* DANGER!!!! here be dragons! * * Leave these fn's as byte accesses because it is safe -- cgit v1.2.3