43         if (testcases[i].real() == 0 && testcases[i].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::isnan(testcases[i].imag()))  in test_edges()
52             assert(std::isnan(r.imag()));  in test_edges()
54         else if (std::abs(testcases[i].real()) == 1 && testcases[i].imag() == 0)  in test_edges()
58             assert(r.imag() == 0);  in test_edges()
59             assert(std::signbit(testcases[i].imag()) == std::signbit(r.imag()));  in test_edges()
61         else if (std::isfinite(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
65             if (testcases[i].imag() > 0)  in test_edges()
66                 is_about(r.imag(),  pi/2);  in test_edges()
68                 is_about(r.imag(), -pi/2);  in test_edges()
70         else if (std::isfinite(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
73             assert(std::isnan(r.imag()));  in test_edges()
75         else if (std::isinf(testcases[i].real()) && std::isfinite(testcases[i].imag()))  in test_edges()
79             if (std::signbit(testcases[i].imag()))  in test_edges()
80                 is_about(r.imag(), -pi/2);  in test_edges()
82                 is_about(r.imag(),  pi/2);  in test_edges()
84         else if (std::isinf(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
88             if (std::signbit(testcases[i].imag()))  in test_edges()
89                 is_about(r.imag(), -pi/2);  in test_edges()
91                 is_about(r.imag(),  pi/2);  in test_edges()
93         else if (std::isinf(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
97             assert(std::isnan(r.imag()));  in test_edges()
99         else if (std::isnan(testcases[i].real()) && std::isfinite(testcases[i].imag()))  in test_edges()
102             assert(std::isnan(r.imag()));  in test_edges()
104         else if (std::isnan(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
108             if (std::signbit(testcases[i].imag()))  in test_edges()
109                 is_about(r.imag(), -pi/2);  in test_edges()
111                 is_about(r.imag(),  pi/2);  in test_edges()
113         else if (std::isnan(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
116             assert(std::isnan(r.imag()));  in test_edges()
121             assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));  in test_edges()