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68 lines
1.5 KiB
C++
68 lines
1.5 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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// void real(T val);
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// void imag(T val);
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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_constexpr()
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{
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#if TEST_STD_VER > 11
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constexpr std::complex<T> c1;
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static_assert(c1.real() == 0, "");
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static_assert(c1.imag() == 0, "");
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constexpr std::complex<T> c2(3);
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static_assert(c2.real() == 3, "");
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static_assert(c2.imag() == 0, "");
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constexpr std::complex<T> c3(3, 4);
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static_assert(c3.real() == 3, "");
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static_assert(c3.imag() == 4, "");
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#endif
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}
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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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std::complex<T> c;
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assert(c.real() == 0);
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assert(c.imag() == 0);
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c.real(3.5);
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assert(c.real() == 3.5);
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assert(c.imag() == 0);
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c.imag(4.5);
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assert(c.real() == 3.5);
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assert(c.imag() == 4.5);
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c.real(-4.5);
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assert(c.real() == -4.5);
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assert(c.imag() == 4.5);
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c.imag(-5.5);
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assert(c.real() == -4.5);
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assert(c.imag() == -5.5);
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test_constexpr<T> ();
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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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test_constexpr<int> ();
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return 0;
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}
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