Ticket #9202: demo.cpp

#include <boost/heap/binomial_heap.hpp>
#include <boost/heap/pairing_heap.hpp>
#include <iostream>
#include <cassert>
#include <cstdlib>
#include <string>

struct Data
{
   unsigned int o;
   unsigned int f;
   Data(unsigned int iO, unsigned int iF) : o(iO), f(iF) {}
};

bool operator > (const Data& lhs, const Data& rhs){
   return lhs.f > rhs.f;
}

std::ostream& operator << (std::ostream& o, const Data& data) {
   return o << "Order: " << data.o << " F: " << data.f;
}


void case1() {
   boost::heap::pairing_heap<Data, boost::heap::stable<true>, boost::heap::compare<std::greater<Data> > > openSet;

   openSet.push(Data(1,0));
   openSet.push(Data(2,0));

   Data d = openSet.top();
   std::cout << d << std::endl;
   openSet.pop();

   openSet.push(Data(3,0));

   d = openSet.top();
   std::cout << d << std::endl;
   openSet.pop();

   d = openSet.top();
   std::cout << d << std::endl;
   openSet.pop();
}

void case2() {
   boost::heap::binomial_heap<Data, boost::heap::stable<true>, boost::heap::compare<std::greater<Data> > > openSet;

   openSet.push(Data(1,0));
   openSet.push(Data(2,0));

   Data d = openSet.top();
   std::cout << d << std::endl;
   openSet.pop();

   openSet.push(Data(3,0));

   d = openSet.top();
   std::cout << d << std::endl;
   openSet.pop();

   d = openSet.top();
   std::cout << d << std::endl;
   openSet.pop();
}

int main(int argc, char *argv[])
{
   std::cout << "pairing_heap:stable" << std::endl;
   case1();

   std::cout << "binomial_heap:stable" << std::endl;
   case2();
}