should work if we compile it together on the AMD machin in the cloud

external/hip/hip_fp16.h

@@ -0,0 +1,44 @@
+/*
+Copyright (c) 2015 - 2021 Advanced Micro Devices, Inc. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef HIP_INCLUDE_HIP_HIP_FP16_H
+#define HIP_INCLUDE_HIP_HIP_FP16_H
+
+#include <hip/hip_common.h>
+
+#if defined(__HIP_PLATFORM_AMD__) && !defined(__HIP_PLATFORM_NVIDIA__)
+#include <hip/amd_detail/amd_hip_fp16.h>
+#elif !defined(__HIP_PLATFORM_AMD__) && defined(__HIP_PLATFORM_NVIDIA__)
+#define HIPRT_INF_FP16 CUDART_INF_FP16
+#define HIPRT_MAX_NORMAL_FP16 CUDART_MAX_NORMAL_FP16
+#define HIPRT_MIN_DENORM_FP16 CUDART_MIN_DENORM_FP16
+#define HIPRT_NAN_FP16 CUDART_NAN_FP16
+#define HIPRT_NEG_ZERO_FP16 CUDART_NEG_ZERO_FP16
+#define HIPRT_ONE_FP16 CUDART_ONE_FP16
+#define HIPRT_ZERO_FP16 CUDART_ZERO_FP16
+
+#include "cuda_fp16.h"
+#else
+#error ("Must define exactly one of __HIP_PLATFORM_AMD__ or __HIP_PLATFORM_NVIDIA__");
+#endif
+
+#endif