37     const unsigned N = sizeof(testcases) / sizeof(testcases[0]);  in test_edges()
40         std::complex<double> r = exp(testcases[i]);  in test_edges()
41         if (testcases[i].real() == 0 && testcases[i].imag() == 0)  in test_edges()
45             assert(std::signbit(testcases[i].imag()) == std::signbit(r.imag()));  in test_edges()
47         else if (std::isfinite(testcases[i].real()) && std::isinf(testcases[i].imag()))  in test_edges()
52         else if (std::isfinite(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
57 …   else if (std::isinf(testcases[i].real()) && testcases[i].real() > 0 && testcases[i].imag() == 0)  in test_edges()
62             assert(std::signbit(testcases[i].imag()) == std::signbit(r.imag()));  in test_edges()
64 …else if (std::isinf(testcases[i].real()) && testcases[i].real() < 0 && std::isinf(testcases[i].ima…  in test_edges()
69 …else if (std::isinf(testcases[i].real()) && testcases[i].real() > 0 && std::isinf(testcases[i].ima…  in test_edges()
74 …else if (std::isinf(testcases[i].real()) && testcases[i].real() < 0 && std::isnan(testcases[i].ima…  in test_edges()
79 …else if (std::isinf(testcases[i].real()) && testcases[i].real() > 0 && std::isnan(testcases[i].ima…  in test_edges()
84         else if (std::isnan(testcases[i].real()) && testcases[i].imag() == 0)  in test_edges()
88             assert(std::signbit(testcases[i].imag()) == std::signbit(r.imag()));  in test_edges()
90         else if (std::isnan(testcases[i].real()) && testcases[i].imag() != 0)  in test_edges()
95         else if (std::isnan(testcases[i].real()) && std::isnan(testcases[i].imag()))  in test_edges()
100         else if (std::isfinite(testcases[i].imag()) && std::abs(testcases[i].imag()) <= 1)  in test_edges()
103             assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));  in test_edges()