-#ifndef max
-#define max(a, b) ((a) > (b) ? (a) : (b))
-#endif
-
-#ifndef max_t
-#define max_t(type, a, b) max((type) a, (type) b)
-#endif
-
-#ifndef min
-#define min(a, b) ((a) < (b) ? (a) : (b))
-#endif
-
-#ifndef min_t
-#define min_t(type, a, b) min((type) a, (type) b)
-#endif
-