[libc-commits] [libc] [libc][math] Adding LIBC_MATH_ALWAYS_ROUND_NEAREST option (PR #201154)

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In-Reply-To: <llvm.org/llvm/llvm-project/pull/201154 at github.com>


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@@ -93,6 +93,11 @@ LIBC_INLINE constexpr float16 exp10m1f16(float16 x) {
       if (x_bits.is_inf())
         return FPBits::inf().get_val();
 
+#ifdef LIBC_MATH_HAS_ALWAYS_ROUND_NEAREST
+      fputil::set_errno_if_required(ERANGE);
+      fputil::raise_except_if_required(FE_OVERFLOW);
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DylanFleming-arm wrote:

I believe this should also raise `FE_INEXACT`? The `FE_TONEAREST` case below has `fputil::raise_except_if_required(FE_OVERFLOW | FE_INEXACT);`

https://github.com/llvm/llvm-project/pull/201154