99 lines
2.6 KiB
C++
99 lines
2.6 KiB
C++
//=======================================================================
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// Copyright 1997, 1998, 1999, 2000 University of Notre Dame.
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// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//=======================================================================
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#include <boost/config.hpp>
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#include <vector>
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#include <iostream>
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#include <stdlib.h>
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#include <boost/pending/bucket_sorter.hpp>
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int main() {
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using namespace std;
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using boost::bucket_sorter;
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const std::size_t N = 10;
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vector<std::size_t> bucket(N);
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for (std::size_t i=0; i<N; i++) {
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bucket[i] = rand() % N;
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cout.width(6);
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cout << "Number " << i << " is in bucket " << bucket[i] << endl;
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}
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typedef boost::identity_property_map ID;
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typedef bucket_sorter<std::size_t, int,
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vector<std::size_t>::iterator, ID> BS;
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BS my_bucket_sorter(N, N, bucket.begin());
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for (std::size_t ii=0; ii<N; ii++)
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my_bucket_sorter.push(ii);
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std::size_t j;
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for (j=0; j<N; j++) {
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cout << "The bucket " << j;
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if ( ! my_bucket_sorter[j].empty() ) {
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cout << " has number ";
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do {
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int v = my_bucket_sorter[j].top();
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my_bucket_sorter[j].pop();
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cout << v << " ";
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} while ( ! my_bucket_sorter[j].empty() );
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cout << endl;
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} else {
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cout << " has no number associated with it." << endl;
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}
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}
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for (std::size_t k=0; k<N; k++)
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my_bucket_sorter.push(k);
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my_bucket_sorter.remove(5);
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my_bucket_sorter.remove(7);
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cout << "After removing numbers 5 and 7, check correctness again." << endl;
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for (j=0; j<N; j++) {
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cout << "The bucket " << j;
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if ( ! my_bucket_sorter[j].empty() ) {
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cout << " has number ";
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do {
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int v = my_bucket_sorter[j].top();
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my_bucket_sorter[j].pop();
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cout << v << " ";
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} while ( ! my_bucket_sorter[j].empty() );
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cout << endl;
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} else {
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cout << " has no number associated with it." << endl;
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}
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}
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std::size_t iii;
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for (iii=0; iii<N; iii++) {
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std::size_t current = rand() % N;
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if ( ! my_bucket_sorter[current].empty() ) {
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int v = my_bucket_sorter[current].top();
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my_bucket_sorter[current].pop();
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bucket[v] = rand() % N;
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my_bucket_sorter.push(v);
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}
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}
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for (iii=0; iii<N; iii++) {
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std::size_t current = rand() % N;
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if ( ! my_bucket_sorter[current].empty() ) {
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int v = my_bucket_sorter[current].top();
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bucket[v] = rand() % N;
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my_bucket_sorter.update(v);
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}
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}
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return 0;
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}
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