Function log

extern/half/include/half.hpp:2351–2351

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

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

		/// Common logorithm.