Function tan

extern/half/include/half.hpp:2435–2435

Tangent function. \param arg function argument \return tangent value of \a arg template typename enable ::type tan(T arg) { return functions::tan(arg); }

		/// \return tangent value of \a arg
//		template<typename T> typename enable<expr,T>::type tan(T arg) { return functions::tan(arg); }
		inline expr tan(half arg) { return functions::tan(arg); }
		inline expr tan(expr arg) { return functions::tan(arg); }

		/// Arc sine.