[libcxx-commits] [libcxx] [libc++][cmath] Adding `[[nodicard]]` (PR #171763)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions ,cpp,h -- libcxx/include/__math/error_functions.h libcxx/include/__math/exponential_functions.h libcxx/include/__math/fdim.h libcxx/include/__math/fma.h libcxx/include/__math/gamma.h libcxx/include/__math/hyperbolic_functions.h libcxx/include/__math/hypot.h libcxx/include/__math/inverse_hyperbolic_functions.h libcxx/include/__math/inverse_trigonometric_functions.h libcxx/include/__math/trigonometric_functions.h libcxx/include/cmath libcxx/test/libcxx/diagnostics/cmath.nodiscard.verify.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/libcxx/include/__math/inverse_hyperbolic_functions.h b/libcxx/include/__math/inverse_hyperbolic_functions.h
index 922a5ea6f..70d54668d 100644
--- a/libcxx/include/__math/inverse_hyperbolic_functions.h
+++ b/libcxx/include/__math/inverse_hyperbolic_functions.h
@@ -30,7 +30,9 @@ template <class = int>
   return __builtin_acosh(__x);
 }
 
-[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI long double acosh(long double __x) _NOEXCEPT { return __builtin_acoshl(__x); }
+[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI long double acosh(long double __x) _NOEXCEPT {
+  return __builtin_acoshl(__x);
+}
 
 template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0>
 [[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI double acosh(_A1 __x) _NOEXCEPT {
@@ -46,7 +48,9 @@ template <class = int>
   return __builtin_asinh(__x);
 }
 
-[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI long double asinh(long double __x) _NOEXCEPT { return __builtin_asinhl(__x); }
+[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI long double asinh(long double __x) _NOEXCEPT {
+  return __builtin_asinhl(__x);
+}
 
 template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0>
 [[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI double asinh(_A1 __x) _NOEXCEPT {
@@ -62,7 +66,9 @@ template <class = int>
   return __builtin_atanh(__x);
 }
 
-[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI long double atanh(long double __x) _NOEXCEPT { return __builtin_atanhl(__x); }
+[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI long double atanh(long double __x) _NOEXCEPT {
+  return __builtin_atanhl(__x);
+}
 
 template <class _A1, __enable_if_t<is_integral<_A1>::value, int> = 0>
 [[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI double atanh(_A1 __x) _NOEXCEPT {

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https://github.com/llvm/llvm-project/pull/171763