distibutions: Extend flexibility of non-uniform random distributions

[fio.git] / lib / zipf.h

diff --git a/lib/zipf.h b/lib/zipf.h
index 16b65f57f146f0247581f52f2aee8fcf455b1694..332e3b2f45bd12c80d4aeb33a576ac6445290f84 100644 (file)
--- a/lib/zipf.h
+++ b/lib/zipf.h
@@ -16,10 +16,12 @@ struct zipf_state {
        bool disable_hash;
 };
 
-void zipf_init(struct zipf_state *zs, uint64_t nranges, double theta, unsigned int seed);
+void zipf_init(struct zipf_state *zs, uint64_t nranges, double theta,
+              double center, unsigned int seed);
 uint64_t zipf_next(struct zipf_state *zs);
 
-void pareto_init(struct zipf_state *zs, uint64_t nranges, double h, unsigned int seed);
+void pareto_init(struct zipf_state *zs, uint64_t nranges, double h,
+                double center, unsigned int seed);
 uint64_t pareto_next(struct zipf_state *zs);
 void zipf_disable_hash(struct zipf_state *zs);