1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
14 // pow(const complex<T>& x, const complex<T>& y);
23 test(const std::complex<T>& a, const std::complex<T>& b, std::complex<T> x)
25 std::complex<T> c = pow(a, b);
26 is_about(real(c), real(x));
27 is_about(imag(c), imag(x));
34 test(std::complex<T>(2, 3), std::complex<T>(2, 0), std::complex<T>(-5, 12));
39 const unsigned N = sizeof(testcases) / sizeof(testcases[0]);
40 for (unsigned i = 0; i < N; ++i)
42 for (unsigned j = 0; j < N; ++j)
44 std::complex<double> r = pow(testcases[i], testcases[j]);
45 std::complex<double> z = exp(testcases[j] * log(testcases[i]));
46 if (std::isnan(real(r)))
47 assert(std::isnan(real(z)));
50 assert(real(r) == real(z));
51 assert(std::signbit(real(r)) == std::signbit(real(z)));
53 if (std::isnan(imag(r)))
54 assert(std::isnan(imag(z)));
57 assert(imag(r) == imag(z));
58 assert(std::signbit(imag(r)) == std::signbit(imag(z)));