xieite ::tau <>
Defined in header <xieite/math/tau.hpp>
2 Pi.
Declaration
template <xieite ::is_arith Arith =double >constexpr Arith tau <Arith > =xieite ::pi <Arith > *2 ;
Example
Output:int main () {std ::println (" ,{} "xieite ::tau <int >); }
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