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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <valarray>
// template<class T> class valarray;
// valarray& operator+=(const value_type& x);
#include <valarray>
#include <cassert>
#include <cstddef>
#include "test_macros.h"
int main(int, char**)
{
{
typedef int T;
T a1[] = {1, 2, 3, 4, 5};
T a2[] = {4, 5, 6, 7, 8};
const unsigned N = sizeof(a1)/sizeof(a1[0]);
std::valarray<T> v1(a1, N);
std::valarray<T> v2(a2, N);
v1 += 3;
assert(v1.size() == v2.size());
for (std::size_t i = 0; i < v1.size(); ++i)
assert(v1[i] == v2[i]);
}
return 0;
}
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