37     const unsigned N = sizeof(testcases) / sizeof(testcases[0]);  in test_edges()
40         std::complex<double> r = sinh(testcases[i]);  in test_edges()
41         if (testcases[i].real() == 0 && testcases[i].imag() == 0)  in test_edges()
44             assert(std::signbit(r.real()) == std::signbit(testcases[i].real()));  in test_edges()
46             assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));  in test_edges()
48         else if (testcases[i].real() == 0 && std::isinf(testcases[i].imag()))  in test_edges()
53         else if (std::isfinite(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
58         else if (testcases[i].real() == 0 && std::isnan(testcases[i].imag()))  in test_edges()
63         else if (std::isfinite(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
68         else if (std::isinf(testcases[i].real()) && testcases[i].imag() == 0)  in test_edges()
71             assert(std::signbit(r.real()) == std::signbit(testcases[i].real()));  in test_edges()
73             assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));  in test_edges()
75         else if (std::isinf(testcases[i].real()) && std::isfinite(testcases[i].imag()))  in test_edges()
78 …    assert(std::signbit(r.real()) == std::signbit(testcases[i].real() * cos(testcases[i].imag())));  in test_edges()
80             assert(std::signbit(r.imag()) == std::signbit(sin(testcases[i].imag())));  in test_edges()
82         else if (std::isinf(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
87         else if (std::isinf(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
92         else if (std::isnan(testcases[i].real()) && testcases[i].imag() == 0)  in test_edges()
96             assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));  in test_edges()
98         else if (std::isnan(testcases[i].real()) && std::isfinite(testcases[i].imag()))  in test_edges()
103         else if (std::isnan(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()