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

diff --git a/ceph/src/boost/boost/accumulators/statistics/weighted_mean.hpp b/ceph/src/boost/boost/accumulators/statistics/weighted_mean.hpp
index a80ef0984c59d26e145060479beef8bf603ae37e..1ddce8dd57a8e220a33a97655001b0f6abff68ba 100644 (file)
--- a/ceph/src/boost/boost/accumulators/statistics/weighted_mean.hpp
+++ b/ceph/src/boost/boost/accumulators/statistics/weighted_mean.hpp
@@ -97,6 +97,13 @@ namespace impl
             return this->mean;
         }
 
+        // make this accumulator serializeable
+        template<class Archive>
+        void serialize(Archive & ar, const unsigned int file_version)
+        { 
+            ar & mean;
+        }
+
     private:
         result_type mean;
     };