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//   sinh(const complex<T>& x);
15
16#include <complex>
17#include <cassert>
18
19#include "../cases.h"
20
21template <class T>
22void
23test(const std::complex<T>& c, std::complex<T> x)
24{
25    assert(sinh(c) == x);
26}
27
28template <class T>
29void
30test()
31{
32    test(std::complex<T>(0, 0), std::complex<T>(0, 0));
33}
34
35void test_edges()
36{
37    typedef std::complex<double> C;
38    const double pi = std::atan2(+0., -0.);
39    const unsigned N = sizeof(x) / sizeof(x[0]);
40    for (unsigned i = 0; i < N; ++i)
41    {
42        std::complex<double> r = sinh(x[i]);
43        if (x[i].real() == 0 && x[i].imag() == 0)
44        {
45            assert(r.real() == 0);
46            assert(std::signbit(r.real()) == std::signbit(x[i].real()));
47            assert(r.imag() == 0);
48            assert(std::signbit(r.imag()) == std::signbit(x[i].imag()));
49        }
50        else if (x[i].real() == 0 && std::isinf(x[i].imag()))
51        {
52            assert(r.real() == 0);
53            assert(std::isnan(r.imag()));
54        }
55        else if (std::isfinite(x[i].real()) && std::isinf(x[i].imag()))
56        {
57            assert(std::isnan(r.real()));
58            assert(std::isnan(r.imag()));
59        }
60        else if (x[i].real() == 0 && std::isnan(x[i].imag()))
61        {
62            assert(r.real() == 0);
63            assert(std::isnan(r.imag()));
64        }
65        else if (std::isfinite(x[i].real()) && std::isnan(x[i].imag()))
66        {
67            assert(std::isnan(r.real()));
68            assert(std::isnan(r.imag()));
69        }
70        else if (std::isinf(x[i].real()) && x[i].imag() == 0)
71        {
72            assert(std::isinf(r.real()));
73            assert(std::signbit(r.real()) == std::signbit(x[i].real()));
74            assert(r.imag() == 0);
75            assert(std::signbit(r.imag()) == std::signbit(x[i].imag()));
76        }
77        else if (std::isinf(x[i].real()) && std::isfinite(x[i].imag()))
78        {
79            assert(std::isinf(r.real()));
80            assert(std::signbit(r.real()) == std::signbit(x[i].real() * cos(x[i].imag())));
81            assert(std::isinf(r.imag()));
82            assert(std::signbit(r.imag()) == std::signbit(sin(x[i].imag())));
83        }
84        else if (std::isinf(x[i].real()) && std::isinf(x[i].imag()))
85        {
86            assert(std::isinf(r.real()));
87            assert(std::isnan(r.imag()));
88        }
89        else if (std::isinf(x[i].real()) && std::isnan(x[i].imag()))
90        {
91            assert(std::isinf(r.real()));
92            assert(std::isnan(r.imag()));
93        }
94        else if (std::isnan(x[i].real()) && x[i].imag() == 0)
95        {
96            assert(std::isnan(r.real()));
97            assert(r.imag() == 0);
98            assert(std::signbit(r.imag()) == std::signbit(x[i].imag()));
99        }
100        else if (std::isnan(x[i].real()) && std::isfinite(x[i].imag()))
101        {
102            assert(std::isnan(r.real()));
103            assert(std::isnan(r.imag()));
104        }
105        else if (std::isnan(x[i].real()) && std::isnan(x[i].imag()))
106        {
107            assert(std::isnan(r.real()));
108            assert(std::isnan(r.imag()));
109        }
110    }
111}
112
113int main()
114{
115    test<float>();
116    test<double>();
117    test<long double>();
118    test_edges();
119}
120