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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <complex>
     11 
     12 // template<class T>
     13 //   complex<T>
     14 //   operator+(const T& lhs, const complex<T>& rhs);
     15 
     16 #include <complex>
     17 #include <cassert>
     18 
     19 template <class T>
     20 void
     21 test(const T& lhs, const std::complex<T>& rhs, std::complex<T> x)
     22 {
     23     assert(lhs + rhs == x);
     24 }
     25 
     26 template <class T>
     27 void
     28 test()
     29 {
     30     {
     31     T lhs(1.5);
     32     std::complex<T> rhs(3.5, 4.5);
     33     std::complex<T>   x(5.0, 4.5);
     34     test(lhs, rhs, x);
     35     }
     36     {
     37     T lhs(1.5);
     38     std::complex<T> rhs(-3.5, 4.5);
     39     std::complex<T>   x(-2.0, 4.5);
     40     test(lhs, rhs, x);
     41     }
     42 }
     43 
     44 int main()
     45 {
     46     test<float>();
     47     test<double>();
     48     test<long double>();
     49 }
     50