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macros: add align() macro

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tags/0.1.0
S.J.R. van Schaik 8 years ago
parent c684a57e24
commit efa91ba5c3
1 changed files with 1 additions and 0 deletions
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      include/macros.h

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include/macros.h
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@ -21,6 +21,7 @@
#define ROUND_DOWN(x, k) ((x) & ~((k) - 1)) #define ROUND_DOWN(x, k) ((x) & ~((k) - 1))
#define ROUND_UP(x, k) (((x) + (k) - 1) & ~((k) - 1)) #define ROUND_UP(x, k) (((x) + (k) - 1) & ~((k) - 1))
#define align(x, k) ((x) & ~((1 << (k)) - 1))
#define is_aligned(x, k) (!((x) & ((1 << (k)) - 1))) #define is_aligned(x, k) (!((x) & ((1 << (k)) - 1)))
#define align_eq(x, y, k) (!(((x) ^ (y)) >> k)) #define align_eq(x, y, k) (!(((x) ^ (y)) >> k))

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