| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // <complex> |
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| 10 | |
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| 11 | // complex& operator/=(const T& rhs); // constexpr in C++20 |
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| 12 | |
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| 13 | #include <complex> |
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| 14 | #include <cassert> |
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| 15 | |
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| 16 | #include "test_macros.h" |
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| 17 | |
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| 18 | template <class T> |
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| 19 | TEST_CONSTEXPR_CXX20 |
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| 20 | bool |
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| 21 | test() |
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| 22 | { |
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| 23 | std::complex<T> c(1); |
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| 24 | assert(c.real() == 1); |
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| 25 | assert(c.imag() == 0); |
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| 26 | c /= 0.5; |
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| 27 | assert(c.real() == 2); |
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| 28 | assert(c.imag() == 0); |
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| 29 | c /= 0.5; |
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| 30 | assert(c.real() == 4); |
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| 31 | assert(c.imag() == 0); |
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| 32 | c /= -0.5; |
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| 33 | assert(c.real() == -8); |
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| 34 | assert(c.imag() == 0); |
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| 35 | c.imag(2); |
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| 36 | c /= 0.5; |
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| 37 | assert(c.real() == -16); |
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| 38 | assert(c.imag() == 4); |
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| 39 | return true; |
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| 40 | } |
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| 41 | |
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| 42 | int main(int, char**) |
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| 43 | { |
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| 44 | test<float>(); |
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| 45 | test<double>(); |
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| 46 | test<long double>(); |
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| 47 | |
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| 48 | #if TEST_STD_VER >= 20 |
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| 49 | static_assert(test<float>()); |
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| 50 | static_assert(test<double>()); |
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| 51 | static_assert(test<long double>()); |
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| 52 | #endif |
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| 53 | |
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| 54 | return 0; |
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| 55 | } |
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| 56 | |
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