ocarina/include/core/random.h

37 lines
643 B
C

/*
* Copyright 2014 (c) Anna Schumaker
*/
#ifndef OCARINA_RANDOM_H
#define OCARINA_RANDOM_H
#ifndef CONFIG_TEST
#include <stdlib.h>
static inline void _seed_random(unsigned int n) { srand(time(NULL) + n); }
static inline unsigned int _pick_random() { return rand(); }
#else /* CONFIG_TEST */
void _seed_random(unsigned int);
unsigned int _pick_random();
#endif /* CONFIG_TEST */
static inline void random_seed(unsigned int n)
{
_seed_random(n);
}
static inline unsigned int random(unsigned int min, unsigned int max)
{
if (min >= max)
return min;
return min + (_pick_random() % (max - min));
}
#endif /* OCARINA_RANDOM_H */