[libc-commits] [libc] [libc][math][c23] Add hypotf16 function (PR #131991)

[via libc-commits]

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@@ -51,8 +51,8 @@ LLVM_LIBC_FUNCTION(float16, hypotf16, (float16 x, float16 y)) {
                                           << FPBits::FRACTION_LEN)))
     return x_abs.get_val() + y_abs.get_val();
 
-  float af = fputil::cast<float>(a_bits.get_val());
-  float bf = fputil::cast<float>(b_bits.get_val());
+  float af = static_cast<float>(a_bits.get_val());
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lntue wrote:

You can add comments on the top of the function, mentioning that for targets in which the casts between float16 and float have to be fully emulated, `fputil::hypot<float16>` would be faster.

https://github.com/llvm/llvm-project/pull/131991