//===----------------------------------------------------------------------===//
//
// 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;
// template<class T>
// valarray<T>
// abs(const valarray<T>& x);
#include <valarray>
#include <cassert>
#include <cstddef>
#include "test_macros.h"
int main(int, char**)
{
{
typedef double T;
T a1[] = {1.5, -2.5, 3.4, -4.5, -5.0};
T a3[] = {1.5, 2.5, 3.4, 4.5, 5.0};
const unsigned N = sizeof(a1)/sizeof(a1[0]);
std::valarray<T> v1(a1, N);
std::valarray<T> v3 = abs(v1);
assert(v3.size() == v1.size());
for (std::size_t i = 0; i < v3.size(); ++i)
assert(v3[i] == a3[i]);
}
return 0;
}