| 123456789101112131415161718192021222324252627282930313233 |
- #pragma once
- #ifndef MAX
- #define MAX(a, b) \
- ({ \
- __typeof__(a) _a = (a); \
- __typeof__(b) _b = (b); \
- _a > _b ? _a : _b; \
- })
- #endif
- #ifndef MIN
- #define MIN(a, b) \
- ({ \
- __typeof__(a) _a = (a); \
- __typeof__(b) _b = (b); \
- _a < _b ? _a : _b; \
- })
- #endif
- #ifndef CLAMP
- #define CLAMP(x, upper, lower) (MIN(upper, MAX(x, lower)))
- #endif
- // need some common semantics for those two
- #ifndef SIZEOF_ARRAY
- #define SIZEOF_ARRAY(arr) (sizeof(arr) / sizeof(arr[0]))
- #endif
- #ifndef COUNT_OF
- #define COUNT_OF(x) (sizeof(x) / sizeof(x[0]))
- #endif
|