c ++ math library
http://www.cplusplus.com/reference/cmath/
Useful C ++ library
https://en.cppreference.com/w/cpp/links/libs
C ++ VECTOR Vector Usage
c ++ math library
http://www.cplusplus.com/reference/cmath/
Useful C ++ library
https://en.cppreference.com/w/cpp/links/libs
C ++ VECTOR Vector Usage