[clang] [Clang] Add `__CLANG_GPU_DISABLE_MATH_WRAPPERS` macro for offloading math (PR #98234)

[Yaxun Liu via cfe-commits]

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@@ -345,4 +349,5 @@ __DEVICE__ float ynf(int __a, float __b) { return __nv_ynf(__a, __b); }
 #pragma pop_macro("__DEVICE_VOID__")
 #pragma pop_macro("__FAST_OR_SLOW")
 
+#endif // __CLANG_GPU_DISABLE_MATH_WRAPPERS
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yxsamliu wrote:

some non-libm functions e.g. `__fadd_rd`, are included in the if/endif. Do you plan to add them to libm?

https://github.com/llvm/llvm-project/pull/98234