cxx/test/numerics/complex.number/complex.special/long_double_double_implicit.pass.cpp
Howard Hinnant 410f2def47 constexpr applied to <complex>.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@160585 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20 22:18:27 +00:00

38 lines
951 B
C++

//===----------------------------------------------------------------------===//
//
// 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 complex<long double>
// {
// public:
// constexpr complex(const complex<double>&);
// };
#include <complex>
#include <cassert>
int main()
{
{
const std::complex<double> cd(2.5, 3.5);
std::complex<long double> cf = cd;
assert(cf.real() == cd.real());
assert(cf.imag() == cd.imag());
}
#ifndef _LIBCPP_HAS_NO_CONSTEXPR
{
constexpr std::complex<double> cd(2.5, 3.5);
constexpr std::complex<long double> cf = cd;
static_assert(cf.real() == cd.real(), "");
static_assert(cf.imag() == cd.imag(), "");
}
#endif
}