53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <complex>
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// complex& operator-=(const complex& rhs);
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#include <complex>
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#include <cassert>
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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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const std::complex<T> c2(1.5, 2.5);
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assert(c.real() == 0);
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assert(c.imag() == 0);
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c -= c2;
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assert(c.real() == -1.5);
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assert(c.imag() == -2.5);
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c -= c2;
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assert(c.real() == -3);
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assert(c.imag() == -5);
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std::complex<T> c3;
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c3 = c;
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std::complex<int> ic (1,1);
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c3 -= ic;
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assert(c3.real() == -4);
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assert(c3.imag() == -6);
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c3 = c;
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std::complex<float> fc (1,1);
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c3 -= fc;
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assert(c3.real() == -4);
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assert(c3.imag() == -6);
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}
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int main()
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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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}
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