Function ldexp

dnn/include/megdnn/dtype/half.hpp:2555–2555

Multiply by power of two. \param arg number to modify \param exp power of two to multiply with \return \a arg multplied by 2 raised to \a exp template typename enable ::type ldexp(T arg, int exp) { return functions::scalbln(arg, exp); }

		/// \return \a arg multplied by 2 raised to \a exp
//		template<typename T> typename enable<half,T>::type ldexp(T arg, int exp) { return functions::scalbln(arg, exp); }
        MEGDNN_HOST MEGDNN_DEVICE inline half ldexp(half arg, int exp) { return functions::scalbln(arg, exp); }
        MEGDNN_HOST MEGDNN_DEVICE inline half ldexp(expr arg, int exp) { return functions::scalbln(arg, exp); }

		/// Extract integer and fractional parts.