// Copyright (C) 2001-2023 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 3, 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 COPYING3. If not see
// .
// 26.4.4 [lib.adjacent.difference]
#include
#include
#include
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()
{
int D[N];
std::adjacent_difference(A, A + N, D);
VERIFY( std::equal(D, D + N, B) );
}
int
main()
{
test01();
return 0;
}