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Diffstat (limited to 'boost/accumulators/statistics/rolling_variance.hpp')
| -rw-r--r-- | boost/accumulators/statistics/rolling_variance.hpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/boost/accumulators/statistics/rolling_variance.hpp b/boost/accumulators/statistics/rolling_variance.hpp index 33b3922a50..249d5c1996 100644 --- a/boost/accumulators/statistics/rolling_variance.hpp +++ b/boost/accumulators/statistics/rolling_variance.hpp @@ -62,6 +62,10 @@ namespace impl if (nr_samples < 2) return result_type(); return nr_samples*(rolling_moment<2>(args) - mean*mean)/(nr_samples-1); } + + // serialization is done by accumulators it depends on + template<class Archive> + void serialize(Archive & ar, const unsigned int file_version) {} }; //! Iterative calculation of the rolling variance. @@ -138,6 +142,14 @@ namespace impl if (nr_samples < 2) return result_type(); return numeric::fdiv(sum_of_squares_,(nr_samples-1)); } + + // make this accumulator serializeable + template<class Archive> + void serialize(Archive & ar, const unsigned int file_version) + { + ar & previous_mean_; + ar & sum_of_squares_; + } private: |