1 #ifndef FIO_GAUSS_H 2 #define FIO_GAUSS_H 3 4 #include <inttypes.h> 5 #include "rand.h" 6 7 struct gauss_state { 8 struct frand_state r; 9 uint64_t nranges; 10 unsigned int stddev; 11 bool disable_hash; 12 }; 13 14 void gauss_init(struct gauss_state *gs, unsigned long nranges, double dev, 15 unsigned int seed); 16 unsigned long long gauss_next(struct gauss_state *gs); 17 void gauss_disable_hash(struct gauss_state *gs); 18 19 #endif 20
