Function acos

dnn/include/megdnn/dtype/half.hpp:2365–2365

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

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

		/// Arc tangent function.