42         if (testcases[i].real() == 0 && testcases[i].imag() == 0)  in test_edges()
45             assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));  in test_edges()
47         else if ( testcases[i].real() == 0 && std::isnan(testcases[i].imag()))  in test_edges()
51             assert(std::isnan(r.imag()));  in test_edges()
53         else if (std::abs(testcases[i].real()) == 1 && testcases[i].imag() == 0)  in test_edges()
57             assert(r.imag() == 0);  in test_edges()
58             assert(std::signbit(testcases[i].imag()) == std::signbit(r.imag()));  in test_edges()
60         else if (std::isfinite(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
64             if (testcases[i].imag() > 0)  in test_edges()
65                 is_about(r.imag(),  pi/2);  in test_edges()
67                 is_about(r.imag(), -pi/2);  in test_edges()
69         else if (std::isfinite(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
72             assert(std::isnan(r.imag()));  in test_edges()
74         else if (std::isinf(testcases[i].real()) && std::isfinite(testcases[i].imag()))  in test_edges()
78             if (std::signbit(testcases[i].imag()))  in test_edges()
79                 is_about(r.imag(), -pi/2);  in test_edges()
81                 is_about(r.imag(),  pi/2);  in test_edges()
83         else if (std::isinf(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
87             if (std::signbit(testcases[i].imag()))  in test_edges()
88                 is_about(r.imag(), -pi/2);  in test_edges()
90                 is_about(r.imag(),  pi/2);  in test_edges()
92         else if (std::isinf(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
96             assert(std::isnan(r.imag()));  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::isinf(testcases[i].imag()))  in test_edges()
107             if (std::signbit(testcases[i].imag()))  in test_edges()
108                 is_about(r.imag(), -pi/2);  in test_edges()
110                 is_about(r.imag(),  pi/2);  in test_edges()
112         else if (std::isnan(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
115             assert(std::isnan(r.imag()));  in test_edges()
120             assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));  in test_edges()