Function erf

include/half/half.hpp:2510–2510

Error function. \param arg function argument \return error function value of \a arg template typename enable ::type erf(T arg) { return functions::erf(arg); }

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

		/// Complementary error function.