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
19template <class T>
20void
21test(const T& lhs, const std::complex<T>& rhs, std::complex<T> x)
22{
23    assert(lhs - rhs == x);
24}
25
26template <class T>
27void
28test()
29{
30    {
31    T lhs(1.5);
32    std::complex<T> rhs(3.5, 4.5);
33    std::complex<T>   x(-2.0, -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(5.0, -4.5);
40    test(lhs, rhs, x);
41    }
42}
43
44int main()
45{
46    test<float>();
47    test<double>();
48    test<long double>();
49}
50