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macros: add BIT(n) and BIT_SIZE(t) macros

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S.J.R. van Schaik 2017-03-17 14:55:24 +00:00
parent 1188b24a31
commit cd9d974a91
1 changed files with 6 additions and 0 deletions
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6
include/macros.h
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@ -1,5 +1,7 @@
#pragma once
#include <limits.h>
#define min(x, y) ((x < y) ? (x) : (y))
#define max(x, y) ((x > y) ? (x) : (y))
@ -12,3 +14,7 @@
#define IS_ROUND(x, k) (!((x) & ((k) - 1)))
#define ROUND_DOWN(x, k) ((x) & ~((k) - 1))
#define ROUND_UP(x, k) (((x) + (k) - 1) & ~((k) - 1))
/* Bit manipulation */
#define BIT_SIZE(t) (CHAR_BIT * sizeof(t))
#define BIT(n) (1 << (n))