answer.code:37:7: error: reference to ‘real’ is ambiguous
   37 | const real TOLERANCE = 1e-8;
      |       ^~~~
In file included from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127,
                 from answer.code:4:
/usr/include/c++/14/complex:2461:5: note: candidates are: ‘template<class _Tp> constexpr typename __gnu_cxx::__promote<_Tp, std::__is_integer<_Tp>::__value>::__type std::real(_Tp)’
 2461 |     real(_Tp __x)
      |     ^~~~
/usr/include/c++/14/complex:577:5: note:                 ‘template<class _Tp> constexpr _Tp std::real(const complex<_Tp>&)’
  577 |     real(const complex<_Tp>& __z)
      |     ^~~~
answer.code:36:7: note:                 ‘using real = double’
   36 | using real = double;
      |       ^~~~
answer.code:38:7: error: reference to ‘real’ is ambiguous
   38 | const real PI_CONST = 3.14159265358979323846;
      |       ^~~~
/usr/include/c++/14/complex:2461:5: note: candidates are: ‘template<class _Tp> constexpr typename __gnu_cxx::__promote<_Tp, std::__is_integer<_Tp>::__value>::__type std::real(_Tp)’
 2461 |     real(_Tp __x)
      |     ^~~~
/usr/include/c++/14/complex:577:5: note:                 ‘template<class _Tp> constexpr _Tp std::real(const complex<_Tp>&)’
  577 |     real(const complex<_Tp>& __z)
      |     ^~~~
answer.code:36:7: note:                 ‘using real = double’
   36 | using real = double;
      |       ^~~~
answer.code:41:10: error: reference to ‘real’ is ambiguous
   41 | int sign(real val) {
      |          ^~~~
/usr/include/c++/14/complex:2461:5: note: candidates are: ‘template<class _Tp> constexpr typename __gnu_cxx::__promote<_Tp, std::__is_integer<_Tp>::__value>::__type std::real(_Tp)’
 2461 |     real(_Tp __x)
      |     ^~~~
/usr/include/c++/14/complex:577:5: note:                 ‘template<class _Tp> constexpr _Tp std::real(const complex<_Tp>&)’
  577 |     real(const complex<_Tp>& __z)
      |     ^~~~
answer.code:36:7: note:                 ‘using real = double’
   36 | using real = double;
      |       ^~~~
answer.code:48:19: error: reference to ‘real’ is ambiguous
   48 | int compareDouble(real a, real b) {
      |                   ^~~~
/usr/include/c++/14/complex:2461:5: note: candidates are: ‘template<class _Tp> constexpr typename __gnu_cxx::__promote<_Tp, std::__is_integer<_Tp>::__value>::__type std::real(_Tp)’
 2461 |     real(_Tp __x)
      |     ^~~~
/usr/include/c++/14/complex:577:5: note:                 ‘template<class _Tp> constexpr _Tp std::real(const complex<_Tp>&)’
  577 |     real(const complex<_Tp>& __z)
      |     ^~~~
answer.code:36:7: note:                 ‘using real = double’
   36 | using real = double;
      |       ^~~~
answer.code:48:27: error: reference to ‘real’ is ambiguous
   48 | int compareDouble(real a, real b) {
      |                           ^~~~
/usr/include/c++/14/complex:2461:5: note: candidates are: ‘template<class _Tp> constexpr typename __gnu_cxx::__promote<_Tp, std::__is_integer<_Tp>::__value>::__type std::real(_Tp)’
 2461 |     real(_Tp __x)
      |     ^~~~
/usr/include/c++/14/complex:577:5: note:                 ‘template<class _Tp> constexpr _Tp std::real(const complex<_Tp>&)’
  577 |     real(const complex<_Tp>& __z)
      |     ^~~~
answer.code:36:7: note:                 ‘using real = double’
   36 | using real = double;
      |       ^~~~
answer.code:48:33: error: expression list treated as compound expression in initializer [-fpermissive]
   48 | int compareDouble(real a, real b) {
      |                                 ^
answer.code:54:5: error: reference to ‘real’ is ambiguous
   54 |     real x, y;
      |     ^~~~
/usr/include/c++/14/complex:2461:5: note: candidates are: ‘template<class _Tp> constexpr typename __gnu_cxx::__promote<_Tp, std::__is_integer<_Tp>::__value>::__type std::real(_Tp)’
 2461 |     real(_Tp __x)
      |     ^~~~
/usr/include/c++/14/complex:577:5: note:                 ‘template<class _Tp> constexpr _Tp std::real(const complex<_Tp>&)’
  577 |     real(const complex<_Tp>& __z)
      |     ^~~~
answer.code:36:7: note:                 ‘using real = double’
   36 | using real = double;
      |       ^~~~
answer.code:55:15: error: expected ‘)’ before ‘x_coord’
   55 |     Point(real x_coord = 0.0, real y_coord = 0.0) : x(x_coord), y(y_coord) {}
      |          ~    ^~~~~~~~
      |               )
answer.code:59:24: error: reference to ‘real’ is ambiguous
   59 |     Point& operator *=(real scalar) { x *= scalar; y *= scalar; return *this; }
      |                        ^~~~
/usr/include/c++/14/complex:2461:5: note: candidates are: ‘template<class _Tp> constexpr typename __gnu_cxx::__promote<_Tp, std::__is_integer<_Tp>::__value>::__type std::real(_Tp)’
 2461 |     real(_Tp __x)
      |     ^~~~
/usr/include/c++/14/complex:577:5: note:                 ‘template<class _Tp> constexpr _Tp std::real(const complex<_Tp>&)’
  577 |     real(const complex<_Tp>& __z)
      |     ^~~~
answer.code:36:7: note:...