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A comment on C++26: Pack Indexing. Parent comment

Re:C++26: Pack Indexing by Maxatar on Friday January 24, 2025 @02:53PM (#42816397)
My understanding is that all of the functions found in the C compatibility headers that the C++ standard defines can not be made constexpr. sqrt is among them, as are a lot of the math functions.
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Re:C++26: Pack Indexing by agosz on Friday January 24, 2025 @03:39PM (#42816703)
The compatibility can be solved with macros to toggle it on or off depending on how you're building. C++26 has constexpr sqrt.
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Re:C++26: Pack Indexing by pjmlp on Friday January 24, 2025 @04:44PM (#42817210)
There is a paper suggesting to replace all macro based code, due to way modules work.

https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2025/p26...

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