diff options
Diffstat (limited to 'boost/accumulators/statistics/variance.hpp')
| -rw-r--r-- | boost/accumulators/statistics/variance.hpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/boost/accumulators/statistics/variance.hpp b/boost/accumulators/statistics/variance.hpp index 81807a2621..baac55696b 100644 --- a/boost/accumulators/statistics/variance.hpp +++ b/boost/accumulators/statistics/variance.hpp @@ -42,7 +42,7 @@ namespace impl : accumulator_base { // for boost::result_of - typedef typename numeric::functional::average<Sample, std::size_t>::result_type result_type; + typedef typename numeric::functional::fdiv<Sample, std::size_t>::result_type result_type; lazy_variance_impl(dont_care) {} @@ -85,11 +85,11 @@ namespace impl : accumulator_base { // for boost::result_of - typedef typename numeric::functional::average<Sample, std::size_t>::result_type result_type; + typedef typename numeric::functional::fdiv<Sample, std::size_t>::result_type result_type; template<typename Args> variance_impl(Args const &args) - : variance(numeric::average(args[sample | Sample()], numeric::one<std::size_t>::value)) + : variance(numeric::fdiv(args[sample | Sample()], numeric::one<std::size_t>::value)) { } @@ -103,8 +103,8 @@ namespace impl extractor<MeanFeature> mean; result_type tmp = args[parameter::keyword<Tag>::get()] - mean(args); this->variance = - numeric::average(this->variance * (cnt - 1), cnt) - + numeric::average(tmp * tmp, cnt - 1); + numeric::fdiv(this->variance * (cnt - 1), cnt) + + numeric::fdiv(tmp * tmp, cnt - 1); } } |