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[ceph.git] / ceph / src / boost / boost / accumulators / statistics / weighted_variance.hpp

diff --git a/ceph/src/boost/boost/accumulators/statistics/weighted_variance.hpp b/ceph/src/boost/boost/accumulators/statistics/weighted_variance.hpp
index bc199affa4d87a3ea8e3646ca2712c674941458f..f7d2b6e5f708f2b2986acb97cb6a57535bd1e298 100644 (file)
--- a/ceph/src/boost/boost/accumulators/statistics/weighted_variance.hpp
+++ b/ceph/src/boost/boost/accumulators/statistics/weighted_variance.hpp
@@ -103,6 +103,13 @@ namespace impl
             return this->weighted_variance;
         }
 
+        // make this accumulator serializeable
+        template<class Archive>
+        void serialize(Archive & ar, const unsigned int file_version)
+        {
+            ar & weighted_variance;
+        }
+
     private:
         result_type weighted_variance;
     };