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#ifndef __2GEOM_SWEEP_H__
#define __2GEOM_SWEEP_H__
#include <vector>
#include "d2.h"
namespace Geom {
struct Event {
double x;
unsigned ix;
bool closing;
Event(double pos, unsigned i, bool c) : x(pos), ix(i), closing(c) {}
// Lexicographic ordering by x then closing
bool operator<(Event const &other) const {
if(x < other.x) return true;
if(x > other.x) return false;
return closing < other.closing;
}
};
std::vector<std::vector<unsigned> > sweep_bounds(std::vector<Rect>);
std::vector<std::vector<unsigned> > sweep_bounds(std::vector<Rect>, std::vector<Rect>);
std::vector<std::vector<unsigned> > fake_cull(unsigned a, unsigned b);
}
#endif
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