1 files changed, 0 insertions, 63 deletions
diff --git a/geometry/segmentIntersection.cpp b/geometry/segmentIntersection.cpp
deleted file mode 100644
index 6dc5dc5..0000000
--- a/geometry/segmentIntersection.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-struct seg {
-	pt a, b;
-	int id;
-	bool operator<(const seg& o) const {
-		if (real(a) < real(o.a)) {
-			int s = orientation(a, b, o.a);
-			return (s > 0 || (s == 0 && imag(a) < imag(o.a)));
-		} else if (real(a) > real(o.a)) {
-			int s = orientation(o.a, o.b, a);
-			return (s < 0 || (s == 0 && imag(a) < imag(o.a)));
-		}
-		return imag(a) < imag(o.a);
-	}
-};
-
-struct event {
-	pt p;
-	int id, type;
-	bool operator<(const event& o) const {
-		if (real(p) != real(o.p)) return real(p) < real(o.p);
-		if (type != o.type) return type > o.type;
-		return imag(p) < imag(o.p);
-	}
-};
-
-bool lessPT(const pt& a, const pt& b) {
-	return real(a) != real(b) ? real(a) < real(b)
-	                          : imag(a) < imag(b);
-}
-
-bool intersect(const seg& a, const seg& b) {
-	return lineSegmentIntersection(a.a, a.b, b.a, b.b);
-}
-
-pair<int, int> intersect(vector<seg>& segs) {
-	vector<event> events;
-	for (seg& s : segs) {
-		if (lessPT(s.b, s.a)) swap(s.b, s.a);
-		events.push_back({s.a, s.id, 1});
-		events.push_back({s.b, s.id, -1});
-	}
-	sort(all(events));
-
-	set<seg> q;
-	vector<set<seg>::iterator> where(sz(segs));
-	for (auto e : events) {
-		int id = e.id;
-		if (e.type > 0) {
-			auto it = q.lower_bound(segs[id]);
-			if (it != q.end() && intersect(*it, segs[id]))
-				return {it->id, segs[id].id};
-			if (it != q.begin() && intersect(*prev(it), segs[id]))
-				return {prev(it)->id, segs[id].id};
-			where[id] = q.insert(it, segs[id]);
-		} else {
-			auto it = where[id];
-			if (it != q.begin() && next(it) != q.end() && intersect(*next(it), *prev(it)))
-				return {next(it)->id, prev(it)->id};
-			q.erase(it);
-		}
-	}
-	return {-1, -1};
-}