Andrew Top | 61a8495 | 2019-04-30 15:07:33 -0700 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
Kaido Kert | 788710a | 2023-06-05 07:50:22 -0700 | [diff] [blame] | 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
Andrew Top | 61a8495 | 2019-04-30 15:07:33 -0700 | [diff] [blame] | 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // <complex> |
| 10 | |
| 11 | // template<class T> complex<T> proj(const complex<T>&); |
| 12 | // complex<long double> proj(long double); |
| 13 | // complex<double> proj(double); |
| 14 | // template<Integral T> complex<double> proj(T); |
| 15 | // complex<float> proj(float); |
| 16 | |
| 17 | #include <complex> |
| 18 | #include <type_traits> |
| 19 | #include <cassert> |
| 20 | |
Kaido Kert | 788710a | 2023-06-05 07:50:22 -0700 | [diff] [blame] | 21 | #include "test_macros.h" |
Andrew Top | 61a8495 | 2019-04-30 15:07:33 -0700 | [diff] [blame] | 22 | #include "../cases.h" |
| 23 | |
| 24 | template <class T> |
| 25 | void |
| 26 | test(T x, typename std::enable_if<std::is_integral<T>::value>::type* = 0) |
| 27 | { |
| 28 | static_assert((std::is_same<decltype(std::proj(x)), std::complex<double> >::value), ""); |
| 29 | assert(std::proj(x) == proj(std::complex<double>(x, 0))); |
| 30 | } |
| 31 | |
| 32 | template <class T> |
| 33 | void |
| 34 | test(T x, typename std::enable_if<std::is_floating_point<T>::value>::type* = 0) |
| 35 | { |
| 36 | static_assert((std::is_same<decltype(std::proj(x)), std::complex<T> >::value), ""); |
| 37 | assert(std::proj(x) == proj(std::complex<T>(x, 0))); |
| 38 | } |
| 39 | |
| 40 | template <class T> |
| 41 | void |
| 42 | test(T x, typename std::enable_if<!std::is_integral<T>::value && |
| 43 | !std::is_floating_point<T>::value>::type* = 0) |
| 44 | { |
| 45 | static_assert((std::is_same<decltype(std::proj(x)), std::complex<T> >::value), ""); |
| 46 | assert(std::proj(x) == proj(std::complex<T>(x, 0))); |
| 47 | } |
| 48 | |
| 49 | template <class T> |
| 50 | void |
| 51 | test() |
| 52 | { |
| 53 | test<T>(0); |
| 54 | test<T>(1); |
| 55 | test<T>(10); |
| 56 | } |
| 57 | |
Kaido Kert | 788710a | 2023-06-05 07:50:22 -0700 | [diff] [blame] | 58 | int main(int, char**) |
Andrew Top | 61a8495 | 2019-04-30 15:07:33 -0700 | [diff] [blame] | 59 | { |
| 60 | test<float>(); |
| 61 | test<double>(); |
| 62 | test<long double>(); |
| 63 | test<int>(); |
| 64 | test<unsigned>(); |
| 65 | test<long long>(); |
Kaido Kert | 788710a | 2023-06-05 07:50:22 -0700 | [diff] [blame] | 66 | |
| 67 | return 0; |
Andrew Top | 61a8495 | 2019-04-30 15:07:33 -0700 | [diff] [blame] | 68 | } |