14 struct frand_state rand;
19 void zipf_init(struct zipf_state *zs, uint64_t nranges, double theta,
20 double center, unsigned int seed);
21 uint64_t zipf_next(struct zipf_state *zs);
23 void pareto_init(struct zipf_state *zs, uint64_t nranges, double h,
24 double center, unsigned int seed);
25 uint64_t pareto_next(struct zipf_state *zs);
26 void zipf_disable_hash(struct zipf_state *zs);