<source>: In function 'std::complex<_Tp> std::polar(const _Tp&, const _Tp&) [with _Tp = Eigen::half]':
<source>:13:20: error: could not convert '0' from 'int' to 'const Eigen::half&'
   13 |     z1 = std::polar(one);
      |          ~~~~~~~~~~^~~~~
      |                    |
      |                    int
<source>:13:20: note:   when instantiating default argument for call to 'std::complex<_Tp> std::polar(const _Tp&, const _Tp&) [with _Tp = Eigen::half]'
<source>: In function 'int main()':
<source>:13:20: error: invalid initialization of reference of type 'const Eigen::half&' from expression of type 'int'
In file included from <source>:1:
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:967:40: note: in passing argument 2 of 'std::complex<_Tp> std::polar(const _Tp&, const _Tp&) [with _Tp = Eigen::half]'
  967 |     polar(const _Tp& __rho, const _Tp& __theta)
      |                             ~~~~~~~~~~~^~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex: In instantiation of 'std::complex<_Tp> std::pow(const complex<_Tp>&, int) [with _Tp = Eigen::half]':
<source>:19:18:   required from here
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:967:40: note:    19 |     z3 = std::pow(z0, (unsigned)2);
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:967:40: note:       |          ~~~~~~~~^~~~~~~~~~~~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:1288:11: error: no matching function for call to 'std::complex<Eigen::half>::complex(int)'
 1288 |         ? complex<_Tp>(1) / std::__complex_pow_unsigned(__z, -(unsigned)__n)
      |           ^~~~~~~~~~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:153:28: note: candidate: 'template<class _Up> constexpr std::complex<_Tp>::complex(const std::complex<_Up>&) [with _Tp = Eigen::half]'
  153 |         _GLIBCXX_CONSTEXPR complex(const complex<_Up>& __z)
      |                            ^~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:153:28: note:   template argument deduction/substitution failed:
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:1288:11: note:   mismatched types 'const std::complex<_Tp>' and 'int'
 1288 |         ? complex<_Tp>(1) / std::__complex_pow_unsigned(__z, -(unsigned)__n)
      |           ^~~~~~~~~~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:145:17: note: candidate: 'constexpr std::complex<_Tp>::complex(const std::complex<_Tp>&) [with _Tp = Eigen::half]'
  145 |       constexpr complex(const complex&) = default;
      |                 ^~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:145:25: note:   no known conversion for argument 1 from 'int' to 'const std::complex<Eigen::half>&'
  145 |       constexpr complex(const complex&) = default;
      |                         ^~~~~~~~~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:140:26: note: candidate: 'constexpr std::complex<_Tp>::complex(const _Tp&, const _Tp&) [with _Tp = Eigen::half]'
  140 |       _GLIBCXX_CONSTEXPR complex(const _Tp& __r = _Tp(), const _Tp& __i = _Tp())
      |                          ^~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:140:45: note:   no known conversion for argument 1 from 'int' to 'const Eigen::half&'
  140 |       _GLIBCXX_CONSTEXPR complex(const _Tp& __r = _Tp(), const _Tp& __i = _Tp())
      |                                  ~~~~~~~~~~~^~~~~~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex: In instantiation of 'std::complex<_Tp> std::__complex_sqrt(const complex<_Tp>&) [with _Tp = Eigen::half]':
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:1195:58:   required from 'std::complex<_Tp> std::sqrt(const complex<_Tp>&) [with _Tp = Eigen::half]'
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:140:45: note:  1195 |     sqrt(const complex<_Tp>& __z) { return __complex_sqrt(__z.__rep()); }
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:140:45: note:       |                                            ~~~~~~~~~~~~~~^~~~~~~~~~~~~
<source>:16:19:   required from here
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:140:45: note:    16 |     z2 = std::sqrt(z0);
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:140:45: note:       |          ~~~~~~~~~^~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:1174:25: error: conversion from 'float' to non-scalar type 'Eigen::half' requested
 1174 |           _Tp __t = sqrt(2 * (std::abs(__z) + abs(__x)));
      |                     ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex: In instantiation of 'std::complex<_Tp> std::__complex_acos(const complex<_Tp>&) [with _Tp = Eigen::half]':
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2214:28:   required from 'std::complex<_Tp> std::acos(const complex<_Tp>&) [with _Tp = Eigen::half]'
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:1174:25: error:  2214 |     { return __complex_acos(__z.__rep()); }
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:1174:25: error:       |              ~~~~~~~~~~~~~~^~~~~~~~~~~~~
<source>:28:19:   required from here
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:1174:25: error:    28 |     z5 = std::acos(z0);
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:1174:25: error:       |          ~~~~~~~~~^~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error: conversion from 'long double' to non-scalar type 'const Eigen::half' requested
 2038 |       const _Tp __pi_2 = 1.5707963267948966192313216916397514L;
      |                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex: In instantiation of '_Tp std::__complex_arg(const complex<_Tp>&) [with _Tp = Eigen::half]':
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:919:56:   required from '_Tp std::arg(const complex<_Tp>&) [with _Tp = Eigen::half]'
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:   919 |     arg(const complex<_Tp>& __z) { return __complex_arg(__z.__rep()); }
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:       |                                           ~~~~~~~~~~~~~^~~~~~~~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:1071:55:   required from 'std::complex<_Tp> std::__complex_log(const complex<_Tp>&) [with _Tp = Eigen::half]'
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:  1071 |     { return complex<_Tp>(log(std::abs(__z)), std::arg(__z)); }
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:       |                                               ~~~~~~~~^~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:1086:56:   required from 'std::complex<_Tp> std::log(const complex<_Tp>&) [with _Tp = Eigen::half]'
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:  1086 |     log(const complex<_Tp>& __z) { return __complex_log(__z.__rep()); }
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:       |                                           ~~~~~~~~~~~~~^~~~~~~~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2350:22:   required from 'std::complex<_Tp> std::__complex_asinh(const complex<_Tp>&) [with _Tp = Eigen::half]'
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:  2350 |       return std::log(__t + __z);
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:       |              ~~~~~~~~^~~~~~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2369:29:   required from 'std::complex<_Tp> std::asinh(const complex<_Tp>&) [with _Tp = Eigen::half]'
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:  2369 |     { return __complex_asinh(__z.__rep()); }
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:       |              ~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2230:23:   required from 'std::complex<_Tp> std::__complex_asin(const complex<_Tp>&) [with _Tp = Eigen::half]'
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:  2230 |       __t = std::asinh(__t);
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:       |             ~~~~~~~~~~^~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2250:28:   required from 'std::complex<_Tp> std::asin(const complex<_Tp>&) [with _Tp = Eigen::half]'
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:  2250 |     { return __complex_asin(__z.__rep()); }
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:       |              ~~~~~~~~~~~~~~^~~~~~~~~~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2037:46:   required from 'std::complex<_Tp> std::__complex_acos(const complex<_Tp>&) [with _Tp = Eigen::half]'
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:  2037 |       const std::complex<_Tp> __t = std::asin(__z);
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:       |                                     ~~~~~~~~~^~~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2214:28:   required from 'std::complex<_Tp> std::acos(const complex<_Tp>&) [with _Tp = Eigen::half]'
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:  2214 |     { return __complex_acos(__z.__rep()); }
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:       |              ~~~~~~~~~~~~~~^~~~~~~~~~~~~
<source>:28:19:   required from here
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:    28 |     z5 = std::acos(z0);
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:2038:26: error:       |          ~~~~~~~~~^~~~
/opt/compiler-explorer/gcc-trunk-20231103/include/c++/14.0.0/complex:904:20: error: could not convert 'std::atan2((& __z)->std::complex<Eigen::half>::imag().Eigen::half::operator float(), (& __z)->std::complex<Eigen::half>::real().Eigen::half::operator float())' from 'float' to 'Eigen::half'
  904 |     { return  atan2(__z.imag(), __z.real()); }
      |               ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
      |                    |
      |                    float
Compiler returned: 1