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View Compilation Error

0_0_34029426_1430.cpp: In function 'int main()':
0_0_34029426_1430.cpp:83:45: error: call of overloaded 'atan2(__int128, __int128)' is ambiguous
    double u = atan2(2 * SDXDY, SDX_2 - SDY_2);
                                             ^
0_0_34029426_1430.cpp:83:45: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cmath:44:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:41,
                 from 0_0_34029426_1430.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/math.h:147:18: note: double atan2(double, double)
   double __cdecl atan2(double _Y,double _X);
                  ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:41:0,
                 from 0_0_34029426_1430.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/cmath:167:3: note: constexpr long double std::atan2(long double, long double)
   atan2(long double __y, long double __x)
   ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/cmath:163:3: note: constexpr float std::atan2(float, float)
   atan2(float __y, float __x)
   ^


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