38     const unsigned N = sizeof(testcases) / sizeof(testcases[0]);  in test_edges()
41         std::complex<double> r = atanh(testcases[i]);  in test_edges()
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()
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()
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()
56             assert(std::signbit(testcases[i].real()) == std::signbit(r.real()));  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()
63             assert(std::signbit(testcases[i].real()) == std::signbit(r.real()));  in test_edges()
64             if (testcases[i].imag() > 0)  in test_edges()
69         else if (std::isfinite(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
74         else if (std::isinf(testcases[i].real()) && std::isfinite(testcases[i].imag()))  in test_edges()
77             assert(std::signbit(testcases[i].real()) == std::signbit(r.real()));  in test_edges()
78             if (std::signbit(testcases[i].imag()))  in test_edges()
83         else if (std::isinf(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
86             assert(std::signbit(testcases[i].real()) == std::signbit(r.real()));  in test_edges()
87             if (std::signbit(testcases[i].imag()))  in test_edges()
92         else if (std::isinf(testcases[i].real()) && std::isnan(testcases[i].imag()))  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()
103         else if (std::isnan(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
106             assert(std::signbit(testcases[i].real()) == std::signbit(r.real()));  in test_edges()
107             if (std::signbit(testcases[i].imag()))  in test_edges()
112         else if (std::isnan(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
119             assert(std::signbit(r.real()) == std::signbit(testcases[i].real()));  in test_edges()
120             assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));  in test_edges()