blob: dad5bd190aa8645db91165be30b7dc6b95540550 [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <complex>
// template<class T>
// complex<T>
// cosh(const complex<T>& x);
#include <complex>
#include <cassert>
#include "../cases.h"
template <class T>
void
test(const std::complex<T>& c, std::complex<T> x)
{
assert(cosh(c) == x);
}
template <class T>
void
test()
{
test(std::complex<T>(0, 0), std::complex<T>(1, 0));
}
void test_edges()
{
const unsigned N = sizeof(testcases) / sizeof(testcases[0]);
for (unsigned i = 0; i < N; ++i)
{
std::complex<double> r = cosh(testcases[i]);
if (testcases[i].real() == 0 && testcases[i].imag() == 0)
{
assert(r.real() == 1);
assert(r.imag() == 0);
assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));
}
else if (testcases[i].real() == 0 && std::isinf(testcases[i].imag()))
{
assert(std::isnan(r.real()));
assert(r.imag() == 0);
}
else if (testcases[i].real() == 0 && std::isnan(testcases[i].imag()))
{
assert(std::isnan(r.real()));
assert(r.imag() == 0);
}
else if (std::isfinite(testcases[i].real()) && std::isinf(testcases[i].imag()))
{
assert(std::isnan(r.real()));
assert(std::isnan(r.imag()));
}
else if (std::isfinite(testcases[i].real()) && std::isnan(testcases[i].imag()))
{
assert(std::isnan(r.real()));
assert(std::isnan(r.imag()));
}
else if (std::isinf(testcases[i].real()) && testcases[i].imag() == 0)
{
assert(std::isinf(r.real()));
assert(!std::signbit(r.real()));
assert(r.imag() == 0);
assert(std::signbit(r.imag()) == std::signbit(testcases[i].imag()));
}
else if (std::isinf(testcases[i].real()) && std::isfinite(testcases[i].imag()))
{
assert(std::isinf(r.real()));
assert(std::signbit(r.real()) == std::signbit(cos(testcases[i].imag())));
assert(std::isinf(r.imag()));
assert(std::signbit(r.imag()) == std::signbit(testcases[i].real() * sin(testcases[i].imag())));
}
else if (std::isinf(testcases[i].real()) && std::isinf(testcases[i].imag()))
{
assert(std::isinf(r.real()));
assert(std::isnan(r.imag()));
}
else if (std::isinf(testcases[i].real()) && std::isnan(testcases[i].imag()))
{
assert(std::isinf(r.real()));
assert(r.real() > 0);
assert(std::isnan(r.imag()));
}
else if (std::isnan(testcases[i].real()) && testcases[i].imag() == 0)
{
assert(std::isnan(r.real()));
assert(r.imag() == 0);
}
else if (std::isnan(testcases[i].real()) && std::isfinite(testcases[i].imag()))
{
assert(std::isnan(r.real()));
assert(std::isnan(r.imag()));
}
else if (std::isnan(testcases[i].real()) && std::isnan(testcases[i].imag()))
{
assert(std::isnan(r.real()));
assert(std::isnan(r.imag()));
}
}
}
int main()
{
test<float>();
test<double>();
test<long double>();
test_edges();
}