...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::algorithm::power
// In header: <boost/algorithm/algorithm.hpp> template<typename T, typename Integer, typename Operation> BOOST_CXX14_CONSTEXPR boost::enable_if< boost::is_integral< Integer >, T >::type power(T x, Integer n, Operation op);