mirror of
https://github.com/Mathewnd/Astral.git
synced 2026-10-27 20:58:22 +00:00
Matheus
26 lines
477 B
C
26 lines
477 B
C
#ifndef _UTIL_H
|
|
#define _UTIL_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#define UTIL_ZEROBUFFERSIZE (1024 * 64)
|
|
|
|
#define ROUND_DOWN(v, n) ((v) - ((v) % (n)))
|
|
#define ROUND_UP(v, n) ROUND_DOWN((v) + (n) - 1, n)
|
|
|
|
static inline long abs(long x) {
|
|
return x < 0 ? -x : x;
|
|
}
|
|
|
|
static inline unsigned long log2(unsigned long x) {
|
|
return sizeof(unsigned long) * 8 - __builtin_clzll(x) - 1;
|
|
}
|
|
|
|
static inline long min(long x, long y) {
|
|
return x > y ? y : x;
|
|
}
|
|
|
|
extern uint8_t util_zerobuffer[];
|
|
|
|
#endif
|