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

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


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@@ -246,6 +246,10 @@ round_using_specific_rounding_mode(T x, int rnd) {
 template <typename T>
 LIBC_INLINE constexpr cpp::enable_if_t<cpp::is_floating_point_v<T>, T>
 round_using_current_rounding_mode(T x) {
+#ifdef LIBC_MATH_HAS_ASSUME_ROUND_NEAREST_ONLY
+  return round_using_specific_rounding_mode(x, FP_INT_TONEAREST);
+#endif // LIBC_MATH_HAS_ASSUME_ROUND_NEAREST_ONLY
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lntue wrote:

put the remaining `switch` to the `#else` clause.

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