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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <valarray>
// template<class T> class valarray;
// valarray& operator+=(const valarray& v);
#include <valarray>
#include <cassert>
int main()
{
{
typedef int T;
T a1[] = {1, 2, 3, 4, 5};
T a2[] = {6, 7, 8, 9, 10};
T a3[] = {7, 9, 11, 13, 15};
const unsigned N = sizeof(a1)/sizeof(a1[0]);
std::valarray<T> v1(a1, N);
std::valarray<T> v2(a2, N);
std::valarray<T> v3(a3, N);
v1 += v2;
assert(v1.size() == v2.size());
assert(v1.size() == v3.size());
for (int i = 0; i < v1.size(); ++i)
assert(v1[i] == v3[i]);
}
}
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