bc8d3f97eb
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
120 lines
3.5 KiB
C++
120 lines
3.5 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <complex>
|
|
|
|
// template<class T>
|
|
// complex<T>
|
|
// asinh(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(asinh(c) == x);
|
|
}
|
|
|
|
template <class T>
|
|
void
|
|
test()
|
|
{
|
|
test(std::complex<T>(0, 0), std::complex<T>(0, 0));
|
|
}
|
|
|
|
void test_edges()
|
|
{
|
|
typedef std::complex<double> C;
|
|
const double pi = std::atan2(+0., -0.);
|
|
const unsigned N = sizeof(x) / sizeof(x[0]);
|
|
for (unsigned i = 0; i < N; ++i)
|
|
{
|
|
std::complex<double> r = asinh(x[i]);
|
|
if (x[i].real() == 0 && x[i].imag() == 0)
|
|
{
|
|
assert(std::signbit(r.real()) == std::signbit(x[i].real()));
|
|
assert(std::signbit(r.imag()) == std::signbit(x[i].imag()));
|
|
}
|
|
else if (std::isfinite(x[i].real()) && std::isinf(x[i].imag()))
|
|
{
|
|
assert(std::isinf(r.real()));
|
|
assert(std::signbit(x[i].real()) == std::signbit(r.real()));
|
|
if (std::signbit(x[i].imag()))
|
|
is_about(r.imag(), -pi/2);
|
|
else
|
|
is_about(r.imag(), pi/2);
|
|
}
|
|
else if (std::isfinite(x[i].real()) && std::isnan(x[i].imag()))
|
|
{
|
|
assert(std::isnan(r.real()));
|
|
assert(std::isnan(r.imag()));
|
|
}
|
|
else if (std::isinf(x[i].real()) && std::isfinite(x[i].imag()))
|
|
{
|
|
assert(std::isinf(r.real()));
|
|
assert(std::signbit(x[i].real()) == std::signbit(r.real()));
|
|
assert(r.imag() == 0);
|
|
assert(std::signbit(x[i].imag()) == std::signbit(r.imag()));
|
|
}
|
|
else if (std::isinf(x[i].real()) && std::isinf(x[i].imag()))
|
|
{
|
|
assert(std::isinf(r.real()));
|
|
assert(std::signbit(x[i].real()) == std::signbit(r.real()));
|
|
if (std::signbit(x[i].imag()))
|
|
is_about(r.imag(), -pi/4);
|
|
else
|
|
is_about(r.imag(), pi/4);
|
|
}
|
|
else if (std::isinf(x[i].real()) && std::isnan(x[i].imag()))
|
|
{
|
|
assert(std::isinf(r.real()));
|
|
assert(std::signbit(x[i].real()) == std::signbit(r.real()));
|
|
assert(std::isnan(r.imag()));
|
|
}
|
|
else if (std::isnan(x[i].real()) && x[i].imag() == 0)
|
|
{
|
|
assert(std::isnan(r.real()));
|
|
assert(r.imag() == 0);
|
|
assert(std::signbit(x[i].imag()) == std::signbit(r.imag()));
|
|
}
|
|
else if (std::isnan(x[i].real()) && std::isfinite(x[i].imag()))
|
|
{
|
|
assert(std::isnan(r.real()));
|
|
assert(std::isnan(r.imag()));
|
|
}
|
|
else if (std::isnan(x[i].real()) && std::isinf(x[i].imag()))
|
|
{
|
|
assert(std::isinf(r.real()));
|
|
assert(std::isnan(r.imag()));
|
|
}
|
|
else if (std::isnan(x[i].real()) && std::isnan(x[i].imag()))
|
|
{
|
|
assert(std::isnan(r.real()));
|
|
assert(std::isnan(r.imag()));
|
|
}
|
|
else
|
|
{
|
|
assert(std::signbit(r.real()) == std::signbit(x[i].real()));
|
|
assert(std::signbit(r.imag()) == std::signbit(x[i].imag()));
|
|
}
|
|
}
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test<float>();
|
|
test<double>();
|
|
test<long double>();
|
|
test_edges();
|
|
}
|