34 lines
874 B
C++
34 lines
874 B
C++
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//===----------------------------------------------------------------------===//
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//
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <valarray>
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// template<class T> class valarray;
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// valarray& operator-=(const value_type& x);
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#include <valarray>
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#include <cassert>
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int main()
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{
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{
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typedef int T;
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T a1[] = { 1, 2, 3, 4, 5};
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T a2[] = {-2, -1, 0, 1, 2};
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const unsigned N = sizeof(a1)/sizeof(a1[0]);
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std::valarray<T> v1(a1, N);
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std::valarray<T> v2(a2, N);
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v1 -= 3;
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assert(v1.size() == v2.size());
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for (int i = 0; i < v1.size(); ++i)
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assert(v1[i] == v2[i]);
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}
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}
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