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C++ Libraries
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Coding Standards
This is an older version of Boost and was released in 2017. The current version is 1.89.0.
boost::numeric::functional::outer_product_base
// In header: <boost/accumulators/statistics/covariance.hpp> template<typename Left, typename Right, typename EnableIf = void> struct outer_product_base : public functional::multiplies< Left, Right > { };