gcc/libstdc++-v3/testsuite/ext/median.cc

42 lines
1.4 KiB
C++

// Copyright (C) 2005, 2009, 2010 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/>.
// median - SGI extension
#include <ext/algorithm>
#include <testsuite_hooks.h>
bool pred(const int& l, const int& r)
{
return l<r;
}
using __gnu_cxx::__median;
int main()
{
const int i=1;
const int j=2;
const int k=3;
VERIFY(__median(i, j, k) == j && __median(i, j, k, pred) == j);
VERIFY(__median(i, k, j) == j && __median(i, k, j, pred) == j);
VERIFY(__median(j, i, k) == j && __median(j, i, k, pred) == j);
VERIFY(__median(j, k, i) == j && __median(j, k, i, pred) == j);
VERIFY(__median(k, i, j) == j && __median(k, i, j, pred) == j);
VERIFY(__median(k, j, i) == j && __median(k, j, i, pred) == j);
}