libcxx/test/std/numerics/numarray/valarray.range/begin_const.pass.cpp


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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;

// template <class T>
//   unspecified1
//   begin(const valarray<T>& v);

#include <valarray>
#include <cassert>

#include "test_macros.h"

int main(int, char**)
{
    {
        typedef int T;
        T a[] = {1, 2, 3, 4, 5};
        const unsigned N = sizeof(a)/sizeof(a[0]);
        const std::valarray<T> v(a, N);
        assert(v[0] == 1);
    }

  return 0;
}