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 // log10(const complex<T>& x);
23 test(const std::complex<T>& c, std::complex<T> x)
25 assert(log10(c) == x);
32 test(std::complex<T>(0, 0), std::complex<T>(-INFINITY, 0));
37 const double pi = std::atan2(+0., -0.);
38 const unsigned N = sizeof(testcases) / sizeof(testcases[0]);
39 for (unsigned i = 0; i < N; ++i)
41 std::complex<double> r = log10(testcases[i]);
42 std::complex<double> z = log(testcases[i])/std::log(10);
43 if (std::isnan(real(r)))
44 assert(std::isnan(real(z)));
47 assert(real(r) == real(z));
48 assert(std::signbit(real(r)) == std::signbit(real(z)));
50 if (std::isnan(imag(r)))
51 assert(std::isnan(imag(z)));
54 assert(imag(r) == imag(z));
55 assert(std::signbit(imag(r)) == std::signbit(imag(z)));