Function log2

extern/half/include/half.hpp:2372–2372

Binary logorithm. \param arg function argument \return logarithm of \a arg to base 2 template typename enable ::type log2(T arg) { return functions::log2(arg); }

		/// \return logarithm of \a arg to base 2
//		template<typename T> typename enable<expr,T>::type log2(T arg) { return functions::log2(arg); }
		inline expr log2(half arg) { return functions::log2(arg); }
		inline expr log2(expr arg) { return functions::log2(arg); }

		/// \}