Function erf

dnn/include/megdnn/dtype/half.hpp:2439–2439

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); }
        MEGDNN_HOST MEGDNN_DEVICE inline expr erf(half arg) { return functions::erf(arg); }
        MEGDNN_HOST MEGDNN_DEVICE inline expr erf(expr arg) { return functions::erf(arg); }

		/// Complementary error function.