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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <complex>
// template<class T> complex<T> proj(const complex<T>&);
// complex<long double> proj(long double);
// complex<double> proj(double);
// template<Integral T> complex<double> proj(T);
// complex<float> proj(float);
#include <complex>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "../cases.h"
template <class T>
void
test(T x, typename std::enable_if<std::is_integral<T>::value>::type* = 0)
{
static_assert((std::is_same<decltype(std::proj(x)), std::complex<double> >::value), "");
assert(std::proj(x) == proj(std::complex<double>(x, 0)));
}
template <class T>
void
test(T x, typename std::enable_if<std::is_floating_point<T>::value>::type* = 0)
{
static_assert((std::is_same<decltype(std::proj(x)), std::complex<T> >::value), "");
assert(std::proj(x) == proj(std::complex<T>(x, 0)));
}
template <class T>
void
test(T x, typename std::enable_if<!std::is_integral<T>::value &&
!std::is_floating_point<T>::value>::type* = 0)
{
static_assert((std::is_same<decltype(std::proj(x)), std::complex<T> >::value), "");
assert(std::proj(x) == proj(std::complex<T>(x, 0)));
}
template <class T>
void
test()
{
test<T>(0);
test<T>(1);
test<T>(10);
}
int main(int, char**)
{
test<float>();
test<double>();
test<long double>();
test<int>();
test<unsigned>();
test<long long>();
return 0;
}
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