Function cos

include/half/half.hpp:2415–2415

Cosine function. \param arg function argument \return cosine value of \a arg template typename enable ::type cos(T arg) { return functions::cos(arg); }

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

		/// Tangent function.