compare.h

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#pragma once
 
#define clamplow(val, low)    ((val) > (low) ? (val) : (low))
#define clamphigh(val, high)  ((val) < (high) ? (val) : (high))
#define clamp(val, low, high) ((val) > (low) ? ((val) < (high) ? (val) : (high)) : (low))
 
#ifndef min
#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a, b) ((a) > (b) ? (a) : (b))
#endif