c++ - Does C++11, 14, 17 or 20 introduce a standard constant for pi? - Stack Overflow

https://stackoverflow.com/questions/49778240/does-c11-14-17-or-20-introduce-a-standard-constant-for-pi

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First saved: 2018-Apr-17 (Tue)
Last checked: 2018-Apr-17 (Tue), response 200