1 files changed, 11 insertions, 0 deletions
diff --git a/boost/accumulators/statistics/variance.hpp b/boost/accumulators/statistics/variance.hpp
index baac55696b..9db858d2fb 100644
--- a/boost/accumulators/statistics/variance.hpp
+++ b/boost/accumulators/statistics/variance.hpp
@@ -53,6 +53,10 @@ namespace impl
             result_type tmp = mean(args);
             return accumulators::moment<2>(args) - tmp * tmp;
         }
+        
+        // serialization is done by accumulators it depends on
+        template<class Archive>
+        void serialize(Archive & ar, const unsigned int file_version) {}
     };
 
     //! Iterative calculation of variance.
@@ -113,6 +117,13 @@ namespace impl
             return this->variance;
         }
 
+        // make this accumulator serializeable
+        template<class Archive>
+        void serialize(Archive & ar, const unsigned int file_version)
+        { 
+            ar & variance;
+        }
+
     private:
         result_type variance;
     };