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Matheus
26 lines
477 B
C
26 lines
477 B
C
#ifndef _UTIL_H
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#define _UTIL_H
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#include <stdint.h>
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#define UTIL_ZEROBUFFERSIZE (1024 * 64)
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#define ROUND_DOWN(v, n) ((v) - ((v) % (n)))
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#define ROUND_UP(v, n) ROUND_DOWN((v) + (n) - 1, n)
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static inline long abs(long x) {
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return x < 0 ? -x : x;
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}
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static inline unsigned long log2(unsigned long x) {
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return sizeof(unsigned long) * 8 - __builtin_clzll(x) - 1;
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}
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static inline long min(long x, long y) {
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return x > y ? y : x;
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}
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extern uint8_t util_zerobuffer[];
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#endif
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