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// Copyright (C) 2001, 2004 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
 
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
 
// 26.4.3 [lib.partial.sum]
// 26.4.4 [lib.adjacent.difference]
 
#include <algorithm>
#include <numeric>
#include <testsuite_hooks.h>
 
int A[] = {1, 4, 9, 16, 25, 36, 49, 64, 81, 100};
int B[] = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19};
const int N = sizeof(A) / sizeof(int);
 
void
test01()
{
  bool test __attribute__((unused)) = true;
 
  int D[N];
 
  std::adjacent_difference(A, A + N, D);
  VERIFY( std::equal(D, D + N, B) );
 
  std::partial_sum(D, D + N, D);
  VERIFY( std::equal(D, D + N, A) );
}
 
int
main()
{
    test01();
    return 0;
}