================
@@ -70,6 +70,9 @@ __DEVICE__ double floor(double);
__DEVICE__ float floor(float);
__DEVICE__ double fma(double, double, double);
__DEVICE__ float fma(float, float, float);
+#ifdef _MSC_VER
+__DEVICE__ long double fma(long double, long double, long double);
----------------
emankov wrote:
That's right, CUDA has provided `long double fma` since 10.2 but for `HOST`
only:
```cpp
inline _LIBCUDACXX_INLINE_VISIBILITY long double fma(long double __lcpp_x, long
double __lcpp_y, long double __lcpp_z) _NOEXCEPT {return ::fmal(__lcpp_x,
__lcpp_y, __lcpp_z);}
```
If a declaration of `device long double fma` is needed in order to parse it
only and with disallowing its usage on GPU, then it is better to add it to
`clang/lib/Headers/cuda_wrappers/cmath` under `_LIBCPP_STD_VER` and
`_LIBCPP_HIDE_FROM_ABI`; and it would need a corresponding `GPU` test, of
course.
https://github.com/llvm/llvm-project/pull/73756
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