38     const unsigned N = sizeof(testcases) / sizeof(testcases[0]);  in test_edges()
41         std::complex<double> r = acosh(testcases[i]);  in test_edges()
42         if (testcases[i].real() == 0 && testcases[i].imag() == 0)  in test_edges()
45             if (std::signbit(testcases[i].imag()))  in test_edges()
50         else if (testcases[i].real() == 1 && testcases[i].imag() == 0)  in test_edges()
55             assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));  in test_edges()
57         else if (testcases[i].real() == -1 && testcases[i].imag() == 0)  in test_edges()
61             if (std::signbit(testcases[i].imag()))  in test_edges()
66         else if (std::isfinite(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
70             if (std::signbit(testcases[i].imag()))  in test_edges()
75         else if (std::isfinite(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
80 …else if (std::isinf(testcases[i].real()) && testcases[i].real() < 0 && std::isfinite(testcases[i].…  in test_edges()
84             if (std::signbit(testcases[i].imag()))  in test_edges()
89 …else if (std::isinf(testcases[i].real()) && testcases[i].real() > 0 && std::isfinite(testcases[i].…  in test_edges()
94             assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));  in test_edges()
96 …else if (std::isinf(testcases[i].real()) && testcases[i].real() < 0 && std::isinf(testcases[i].ima…  in test_edges()
100             if (std::signbit(testcases[i].imag()))  in test_edges()
105 …else if (std::isinf(testcases[i].real()) && testcases[i].real() > 0 && std::isinf(testcases[i].ima…  in test_edges()
109             if (std::signbit(testcases[i].imag()))  in test_edges()
114         else if (std::isinf(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
120         else if (std::isnan(testcases[i].real()) && std::isfinite(testcases[i].imag()))  in test_edges()
125         else if (std::isnan(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
131         else if (std::isnan(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
139             assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));  in test_edges()