[libc-commits] [libc] [libc][math] Qualify fdim funtions to constexpr (PR #194137)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- libc/src/__support/FPUtil/BasicOperations.h libc/src/__support/FPUtil/generic/add_sub.h libc/src/__support/math/fdim.h libc/src/__support/math/fdimbf16.h libc/src/__support/math/fdimf.h libc/src/__support/math/fdimf128.h libc/src/__support/math/fdimf16.h libc/src/__support/math/fdiml.h libc/test/shared/shared_math_constexpr_test.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/libc/src/__support/FPUtil/generic/add_sub.h b/libc/src/__support/FPUtil/generic/add_sub.h
index aa1954c5b..e00557073 100644
--- a/libc/src/__support/FPUtil/generic/add_sub.h
+++ b/libc/src/__support/FPUtil/generic/add_sub.h
@@ -52,7 +52,8 @@ add_or_sub(InType x, InType y) {
   if (LIBC_UNLIKELY(x_bits.is_inf_or_nan() || y_bits.is_inf_or_nan() ||
                     x_bits.is_zero() || y_bits.is_zero())) {
     if (x_bits.is_nan() || y_bits.is_nan()) {
-      if (!cpp::is_constant_evaluated() && (x_bits.is_signaling_nan() || y_bits.is_signaling_nan()))
+      if (!cpp::is_constant_evaluated() &&
+          (x_bits.is_signaling_nan() || y_bits.is_signaling_nan()))
         raise_except_if_required(FE_INVALID);
 
       if (x_bits.is_quiet_nan()) {

``````````

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https://github.com/llvm/llvm-project/pull/194137