[libc-commits] [libc] [libc][math][c++23] Add bf16{add, sub}{, f, l, f128} math functions (PR #152774)

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@@ -271,7 +271,7 @@ struct ModifyMXCSR {
       expected)                                                                \
       .match(actual)
 
-#define EXPECT_FP_IS_NAN(actual) EXPECT_TRUE((actual) != (actual))
+#define EXPECT_FP_IS_NAN(actual) EXPECT_TRUE(FPBits(actual).is_nan())
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overmighty wrote:

Why is this necessary?

https://github.com/llvm/llvm-project/pull/152774