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// Copyright (C) 2005, 2009 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

// <http://www.gnu.org/licenses/>.

// 25.3.9 [lib.alg.permutation.generators]

// { dg-do compile }

#include <algorithm>

#include <testsuite_iterators.h>

using __gnu_test::bidirectional_iterator_wrapper;

struct S { };

bool

operator<(const S&, const S&) {return true;}

struct X { };

bool

predicate(const X&, const X&) {return true;}

bool

test1(bidirectional_iterator_wrapper<S>& s)

{ return std::prev_permutation(s,s); }

bool

test2(bidirectional_iterator_wrapper<X>& x)

{ return std::prev_permutation(x,x,predicate); }