1#ifndef __LIBDRAGON_UTILS_H
2#define __LIBDRAGON_UTILS_H
10#define SWAP(a, b) ({ typeof(a) t = a; a = b; b = t; })
12#define MAX(a,b) ({ typeof(a) _a = a; typeof(b) _b = b; _a > _b ? _a : _b; })
13#define MIN(a,b) ({ typeof(a) _a = a; typeof(b) _b = b; _a < _b ? _a : _b; })
14#define CLAMP(x, min, max) (MIN(MAX((x), (min)), (max)))
17#define ROUND_UP(n, d) ({ \
18 typeof(n) _n = n; typeof(d) _d = d; \
19 (((_n) + (_d) - 1) / (_d) * (_d)); \
23#define DIVIDE_CEIL(n, d) ({ \
24 typeof(n) _n = n; typeof(d) _d = d; \
25 ((_n) + (_d) - 1) / (_d); \
31 (_x < 0 ? -_x : _x); \
35#define F2I(f) ({ uint32_t __i; memcpy(&__i, &(f), 4); __i; })
38#define I2F(i) ({ float __f; memcpy(&__f, &(i), 4); __f; })