libs/algorithm/minmax/example/minmax_ex.cpp
// (C) Copyright Herve Bronnimann 2004.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <list>
#include <algorithm>
#include <cstdlib>
#include <cassert>
#include <iostream>
#include <iterator>
#include <boost/algorithm/minmax.hpp>
#include <boost/algorithm/minmax_element.hpp>
int main()
{
using namespace std;
// Demonstrating minmax()
boost::tuple<int const&, int const&> result1 = boost::minmax(1, 0);
assert( result1.get<0>() == 0 );
assert( result1.get<1>() == 1 );
// Demonstrating minmax_element()
list<int> L;
typedef list<int>::const_iterator iterator;
generate_n(front_inserter(L), 1000, rand);
pair< iterator, iterator > result2 = boost::minmax_element(L.begin(), L.end());
cout << "The smallest element is " << *(result2.first) << endl;
cout << "The largest element is " << *(result2.second) << endl;
assert( result2.first == std::min_element(L.begin(), L.end()) );
assert( result2.second == std::max_element(L.begin(), L.end()) );
}