#ifndef RAND_H
#define RAND_H

struct rand_state {
    /* If a state's seed == 0 upon a call to a related function, it will be initialized using platform's true rng source */
    u64 seed;
    u64 counter;
};

u64 rand_u64_from_state(struct rand_state *state);
f64 rand_f64_from_state(struct rand_state *state, f64 range_start, f64 range_end);

u64 rand_u64_from_seed(u64 seed);
u64 rand_u64_from_seeds(u64 seed_a, u64 seed_b);
f64 rand_f64_from_seed(u64 seed, f64 range_start, f64 range_end);

#endif