42         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()
47         else if ( testcases[i].real() == 0 && std::isnan(testcases[i].imag()))  in test_edges()
49             assert(r.real() == 0);  in test_edges()
50             assert(std::signbit(testcases[i].real()) == std::signbit(r.real()));  in test_edges()
53         else if (std::abs(testcases[i].real()) == 1 && testcases[i].imag() == 0)  in test_edges()
55             assert(std::isinf(r.real()));  in test_edges()
56             assert(std::signbit(testcases[i].real()) == std::signbit(r.real()));  in test_edges()
60         else if (std::isfinite(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
62             assert(r.real() == 0);  in test_edges()
63             assert(std::signbit(testcases[i].real()) == std::signbit(r.real()));  in test_edges()
69         else if (std::isfinite(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
71             assert(std::isnan(r.real()));  in test_edges()
74         else if (std::isinf(testcases[i].real()) && std::isfinite(testcases[i].imag()))  in test_edges()
76             assert(r.real() == 0);  in test_edges()
77             assert(std::signbit(testcases[i].real()) == std::signbit(r.real()));  in test_edges()
83         else if (std::isinf(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
85             assert(r.real() == 0);  in test_edges()
86             assert(std::signbit(testcases[i].real()) == std::signbit(r.real()));  in test_edges()
92         else if (std::isinf(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
94             assert(r.real() == 0);  in test_edges()
95             assert(std::signbit(testcases[i].real()) == std::signbit(r.real()));  in test_edges()
98         else if (std::isnan(testcases[i].real()) && std::isfinite(testcases[i].imag()))  in test_edges()
100             assert(std::isnan(r.real()));  in test_edges()
103         else if (std::isnan(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
105             assert(r.real() == 0);  in test_edges()
106             assert(std::signbit(testcases[i].real()) == std::signbit(r.real()));  in test_edges()
112         else if (std::isnan(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
114             assert(std::isnan(r.real()));  in test_edges()
119             assert(std::signbit(r.real()) == std::signbit(testcases[i].real()));  in test_edges()