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C++ Libraries
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Coding Standards
This is an older version of Boost and was released in 2018. The current version is 1.89.0.
boost::numeric::functional::multiply_and_promote_to_double
// In header: <boost/accumulators/statistics/weighted_tail_variate_means.hpp> template<typename T, typename U> struct multiply_and_promote_to_double : public functional::multiplies< T, double const > { };