Function exp2

include/half/half.hpp:2331–2331

Binary exponential. \param arg function argument \return 2 raised to \a arg template typename enable ::type exp2(T arg) { return functions::exp2(arg); }

		/// \return 2 raised to \a arg
//		template<typename T> typename enable<expr,T>::type exp2(T arg) { return functions::exp2(arg); }
		inline expr exp2(half arg) { return functions::exp2(arg); }
		inline expr exp2(expr arg) { return functions::exp2(arg); }

		/// Natural logorithm.