[libc] changed the return cast from static_cast<float16> to fputil::cast<float16> in exp10f16.cpp.

[wldfngrs]

switch to fputil::cast to fix rounding with compiler-rt

[llvmbot]

@llvm/pr-subscribers-libc

Author: wldfngrs (wldfngrs)

Changes

switch to fputil::cast to fix rounding with compiler-rt

---

Full diff: https://github.com/llvm/llvm-project/pull/112889.diff

1 Files Affected:

• (modified) libc/src/math/generic/exp10f16.cpp (+1-1)

diff --git a/libc/src/math/generic/exp10f16.cpp b/libc/src/math/generic/exp10f16.cpp
index f7a8ee3245eda6..006dd5c5544285 100644
--- a/libc/src/math/generic/exp10f16.cpp
+++ b/libc/src/math/generic/exp10f16.cpp
@@ -124,7 +124,7 @@ LLVM_LIBC_FUNCTION(float16, exp10f16, (float16 x)) {
 
   // 10^x = 2^((hi + mid) * log2(10)) * 10^lo
   auto [exp2_hi_mid, exp10_lo] = exp10_range_reduction(x);
-  return static_cast<float16>(exp2_hi_mid * exp10_lo);
+  return fputil::cast<float16>(exp2_hi_mid * exp10_lo);
 }
 
 } // namespace LIBC_NAMESPACE_DECL

[wldfngrs]

@lntue please review!