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

diff --git a/ceph/src/boost/boost/accumulators/statistics/covariance.hpp b/ceph/src/boost/boost/accumulators/statistics/covariance.hpp
index b3030b96765380418e2a46b86b03d2f24d6366cd..d80a85eda774dfc3f6deb8d7b80bd00d76a8b7cb 100644 (file)
--- a/ceph/src/boost/boost/accumulators/statistics/covariance.hpp
+++ b/ceph/src/boost/boost/accumulators/statistics/covariance.hpp
@@ -152,6 +152,13 @@ namespace impl
             return this->cov_;
         }
 
+        // make this accumulator serializeable
+        template<class Archive>
+        void serialize(Archive & ar, const unsigned int file_version)
+        { 
+            ar & cov_;
+        }
+
     private:
         result_type cov_;
     };