43         if (testcases[i].real() == 0 && testcases[i].imag() == 0)  in test_edges()
46             if (std::signbit(testcases[i].imag()))  in test_edges()
47                 is_about(r.imag(), -pi/2);  in test_edges()
49                 is_about(r.imag(),  pi/2);  in test_edges()
51         else if (testcases[i].real() == 1 && testcases[i].imag() == 0)  in test_edges()
55             assert(r.imag() == 0);  in test_edges()
56             assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));  in test_edges()
58         else if (std::isfinite(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
62             if (std::signbit(testcases[i].imag()))  in test_edges()
63                 is_about(r.imag(), -pi/2);  in test_edges()
65                 is_about(r.imag(),  pi/2);  in test_edges()
67         else if (std::isfinite(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
70             assert(std::isnan(r.imag()));  in test_edges()
72 … (std::isinf(testcases[i].real()) && testcases[i].real() < 0 && std::isfinite(testcases[i].imag()))  in test_edges()
76             if (std::signbit(testcases[i].imag()))  in test_edges()
77                 is_about(r.imag(), -pi);  in test_edges()
79                 is_about(r.imag(),  pi);  in test_edges()
81 … (std::isinf(testcases[i].real()) && testcases[i].real() > 0 && std::isfinite(testcases[i].imag()))  in test_edges()
85             assert(r.imag() == 0);  in test_edges()
86             assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));  in test_edges()
88 … if (std::isinf(testcases[i].real()) && testcases[i].real() < 0 && std::isinf(testcases[i].imag()))  in test_edges()
92             if (std::signbit(testcases[i].imag()))  in test_edges()
93                 is_about(r.imag(), -0.75 * pi);  in test_edges()
95                 is_about(r.imag(),  0.75 * pi);  in test_edges()
97 … if (std::isinf(testcases[i].real()) && testcases[i].real() > 0 && std::isinf(testcases[i].imag()))  in test_edges()
101             if (std::signbit(testcases[i].imag()))  in test_edges()
102                 is_about(r.imag(), -0.25 * pi);  in test_edges()
104                 is_about(r.imag(),  0.25 * pi);  in test_edges()
106         else if (std::isinf(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
110             assert(std::isnan(r.imag()));  in test_edges()
112         else if (std::isnan(testcases[i].real()) && std::isfinite(testcases[i].imag()))  in test_edges()
115             assert(std::isnan(r.imag()));  in test_edges()
117         else if (std::isnan(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
121             assert(std::isnan(r.imag()));  in test_edges()
123         else if (std::isnan(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
126             assert(std::isnan(r.imag()));  in test_edges()
131             assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));  in test_edges()