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74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <complex>
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// constexpr complex(const T& re = T(), const T& im = T());
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#include <complex>
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#include <cassert>
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#include "test_macros.h"
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template <class T>
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void
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test()
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{
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{
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const std::complex<T> c;
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assert(c.real() == 0);
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assert(c.imag() == 0);
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}
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{
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const std::complex<T> c = 7.5;
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assert(c.real() == 7.5);
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assert(c.imag() == 0);
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}
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{
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const std::complex<T> c(8.5);
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assert(c.real() == 8.5);
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assert(c.imag() == 0);
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}
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{
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const std::complex<T> c(10.5, -9.5);
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assert(c.real() == 10.5);
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assert(c.imag() == -9.5);
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}
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#if TEST_STD_VER >= 11
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{
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constexpr std::complex<T> c;
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static_assert(c.real() == 0, "");
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static_assert(c.imag() == 0, "");
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}
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{
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constexpr std::complex<T> c = 7.5;
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static_assert(c.real() == 7.5, "");
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static_assert(c.imag() == 0, "");
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}
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{
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constexpr std::complex<T> c(8.5);
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static_assert(c.real() == 8.5, "");
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static_assert(c.imag() == 0, "");
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}
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{
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constexpr std::complex<T> c(10.5, -9.5);
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static_assert(c.real() == 10.5, "");
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static_assert(c.imag() == -9.5, "");
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}
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#endif
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}
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int main(int, char**)
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{
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test<float>();
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test<double>();
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test<long double>();
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return 0;
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}
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