34 lines
		
	
	
		
			889 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			889 B
		
	
	
	
		
			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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// <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[] = { 1,   2,  3,  0,  1};
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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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