| #ifndef FIO_ZIPF_H | |
| #define FIO_ZIPF_H | |
| #include <inttypes.h> | |
| #include "rand.h" | |
| struct zipf_state { | |
| uint64_t nranges; | |
| double theta; | |
| double zeta2; | |
| double zetan; | |
| double pareto_pow; | |
| struct frand_state rand; | |
| }; | |
| void zipf_init(struct zipf_state *zs, unsigned long nranges, double theta); | |
| unsigned long long zipf_next(struct zipf_state *zs); | |
| void pareto_init(struct zipf_state *zs, unsigned long nranges, double h); | |
| unsigned long long pareto_next(struct zipf_state *zs); | |
| #endif |