42         if (testcases[i].real() == 0 && testcases[i].imag() == 0)  in test_edges()
45             assert(r.imag() == 0);  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()
51             assert(r.imag() == 0);  in test_edges()
53         else if (testcases[i].real() == 0 && std::isnan(testcases[i].imag()))  in test_edges()
56             assert(r.imag() == 0);  in test_edges()
58         else if (std::isfinite(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
61             assert(std::isnan(r.imag()));  in test_edges()
63         else if (std::isfinite(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
66             assert(std::isnan(r.imag()));  in test_edges()
68         else if (std::isinf(testcases[i].real()) && testcases[i].imag() == 0)  in test_edges()
72             assert(r.imag() == 0);  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(cos(testcases[i].imag())));  in test_edges()
79             assert(std::isinf(r.imag()));  in test_edges()
80 …    assert(std::signbit(r.imag()) == std::signbit(testcases[i].real() * sin(testcases[i].imag())));  in test_edges()
82         else if (std::isinf(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
85             assert(std::isnan(r.imag()));  in test_edges()
87         else if (std::isinf(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
91             assert(std::isnan(r.imag()));  in test_edges()
93         else if (std::isnan(testcases[i].real()) && testcases[i].imag() == 0)  in test_edges()
96             assert(r.imag() == 0);  in test_edges()
98         else if (std::isnan(testcases[i].real()) && std::isfinite(testcases[i].imag()))  in test_edges()
101             assert(std::isnan(r.imag()));  in test_edges()
103         else if (std::isnan(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
106             assert(std::isnan(r.imag()));  in test_edges()