match Java implementation
diff --git a/req/include/req_sketch.hpp b/req/include/req_sketch.hpp
index ec24ab1..a10ade2 100755
--- a/req/include/req_sketch.hpp
+++ b/req/include/req_sketch.hpp
@@ -297,7 +297,7 @@
static const size_t PREAMBLE_SIZE_BYTES = 8;
enum flags { RESERVED1, RESERVED2, IS_EMPTY, IS_HIGH_RANK, RAW_ITEMS, IS_LEVEL_ZERO_SORTED };
- static constexpr double FIXED_RSE_FACTOR = 0.06;
+ static constexpr double FIXED_RSE_FACTOR = 0.084;
static double relative_rse_factor();
uint8_t get_num_levels() const;