Fixed handling of degeneracies in KineticSort, Simulator is aware of the sign of the RationalFunction
#include <geometry/polynomial.h>
#include <geometry/simulator.h>
#include <geometry/kinetic-sort.h>
#include <iostream>
#include <boost/utility.hpp>
#include <boost/bind.hpp>
typedef double FieldType;
//typedef ZZ FieldType;
//typedef QQ FieldType;
typedef UPolynomial<FieldType> PolyKernel;
typedef PolyKernel::Polynomial Polynomial;
typedef std::list<Polynomial> SortDS;
typedef SortDS::iterator SortDSIterator;
typedef Simulator<PolyKernel> SimulatorFT;
class TrajectoryExtractor
{
public:
Polynomial operator()(SortDSIterator i) const { return *i; }
};
typedef KineticSort<SortDSIterator, TrajectoryExtractor, SimulatorFT> KineticSortDS;
struct EvaluatedComparison: public std::binary_function<const Polynomial&, const Polynomial&, bool>
{
EvaluatedComparison(FieldType v): vv(v) {}
bool operator()(const Polynomial& p1, const Polynomial& p2)
{ return p1(vv) < p2(vv); }
FieldType vv;
};
void swap(SortDS* s, SortDSIterator i, SimulatorFT* simulator)
{
std::cout << "Swapping " << *i << " " << *boost::next(i) << std::endl;
s->splice(i, *s, boost::next(i));
}
int main()
{
SimulatorFT simulator;
SortDS list;
// Insert polynomials and sort the list for current time
list.push_back(Polynomial("x^3 - 3"));
list.push_back(Polynomial("x^2 - 2*x - 2"));
list.push_back(Polynomial("2*x - 4"));
list.push_back(Polynomial("x"));
list.push_back(Polynomial("-x + 4"));
list.push_back(Polynomial("2"));
//list.sort(EvaluatedComparison(simulator.current_time()));
list.sort(EvaluatedComparison(0));
// Print out the list
for (SortDS::const_iterator cur = list.begin(); cur != list.end(); ++cur)
std::cout << *cur << std::endl;
// Setup kinetic sort
KineticSortDS ks(list.begin(), list.end(), boost::bind(swap, &list, _1, _2), &simulator);
while(!simulator.reached_infinity() && simulator.current_time() < 4)
{
std::cout << "Current time before: " << simulator.current_time() << std::endl;
//if (!ks.audit(&simulator)) return 1;
//simulator.print(std::cout << "Auditing ");
simulator.process();
std::cout << "Current time after: " << simulator.current_time() << std::endl;
}
}