Method isless

dnn/include/megdnn/dtype/half.hpp:1851–1852

			/// \retval true if \a x < \a y
			/// \retval false else
            MEGDNN_HOST MEGDNN_DEVICE static bool isless(half x, half y) { return !isnan(x) && !isnan(y) && ((signbit(x) ? (static_cast<int17>(0x8000)-x.data_) :
				static_cast<int17>(x.data_)) < (signbit(y) ? (static_cast<int17>(0x8000)-y.data_) : static_cast<int17>(y.data_))); }

			/// Comparison implementation.
			/// \param x first operand