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