libcxx/test/std/numerics/complex.number/complex.special/float_long_double_implicit.compile.fail.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <complex>
  10
  11 // template<> class complex<float>
  12 // {
  13 // public:
  14 //     explicit constexpr complex(const complex<long double>&);
  15 // };
  16
  17 #include <complex>
  18 #include <cassert>
  19
  20 int main(int, char**)
  21 {
  22     const std::complex<long double> cd(2.5, 3.5);
  23     std::complex<float> cf = cd;
  24     assert(cf.real() == cd.real());
  25     assert(cf.imag() == cd.imag());
  26
  27   return 0;
  28 }