diff --git a/var/tmp/portage/media-libs/opencv-3.3.0-r4/work/opencv-3.3.0/modules/cudev/include/opencv2/cudev/util/saturate_cast.hpp b/./saturate_cast.hpp
index ec9804c..4359d18 100644
--- a/modules/cudev/include/opencv2/cudev/util/saturate_cast.hpp
+++ b/modules/cudev/include/opencv2/cudev/util/saturate_cast.hpp
@@ -47,6 +47,9 @@
 #define OPENCV_CUDEV_UTIL_SATURATE_CAST_HPP
 
 #include "../common.hpp"
+#if __CUDACC_VER_MAJOR__ >= 9
+#include <cuda_fp16.h>
+#endif
 
 namespace cv { namespace cudev {
 
@@ -274,15 +277,25 @@ template <typename T, typename D> __device__ __forceinline__ D cast_fp16(T v);
 
 template <> __device__ __forceinline__ float cast_fp16<short, float>(short v)
 {
+#if __CUDACC_VER_MAJOR__ >= 9
+  return float(*(__half*)&v);
+#else
     return __half2float(v);
+#endif
 }
 
 template <> __device__ __forceinline__ short cast_fp16<float, short>(float v)
 {
-    return (short)__float2half_rn(v);
+#if __CUDACC_VER_MAJOR__ >= 9
+  __half h(v);
+  return *(short*)&v;
+#else
+  return (short)__float2half_rn(v);
+#endif
 }
 //! @}
 
 }}
 
 #endif
+