Function cbrt

dnn/include/megdnn/dtype/half.hpp:2306–2306

Cubic root. \param arg function argument \return cubic root of \a arg template typename enable ::type cbrt(T arg) { return functions::cbrt(arg); }

		/// \return cubic root of \a arg
//		template<typename T> typename enable<expr,T>::type cbrt(T arg) { return functions::cbrt(arg); }
        MEGDNN_HOST MEGDNN_DEVICE inline expr cbrt(half arg) { return functions::cbrt(arg); }
        MEGDNN_HOST MEGDNN_DEVICE inline expr cbrt(expr arg) { return functions::cbrt(arg); }

		/// Hypotenuse function.