1 files changed, 0 insertions, 33 deletions
diff --git a/geometry/lines.cpp b/geometry/lines.cpp
deleted file mode 100644
index 95536a4..0000000
--- a/geometry/lines.cpp
+++ /dev/null
@@ -1,33 +0,0 @@
-struct line {
-	double a, b, c; // ax + by + c = 0; vertikale Line: b = 0, sonst: b = 1
-	line(pt p, pt q) : a(-imag(q-p)), b(real(q-p)), c(cross({b, -a},p)) {}
-};
-
-line pointsToLine(pt p1, pt p2) {
-	line l;
-	if (abs(real(p1 - p2)) < EPS) {
-		l.a = 1; l.b = 0.0; l.c = -real(p1);
-	} else {
-		l.a = -imag(p1 - p2) / real(p1 - p2);
-		l.b = 1.0;
-		l.c = -(l.a * real(p1)) - imag(p1);
-	}
-	return l;
-}
-
-bool parallel(line l1, line l2) {
-	return (abs(l1.a - l2.a) < EPS) && (abs(l1.b - l2.b) < EPS);
-}
-
-bool same(line l1, line l2) {
-	return parallel(l1, l2) && (abs(l1.c - l2.c) < EPS);
-}
-
-bool intersect(line l1, line l2, pt& p) {
-	if (parallel(l1, l2)) return false;
-	double y, x = (l2.b * l1.c - l1.b * l2.c) / (l2.a * l1.b - l1.a * l2.b);
-	if (abs(l1.b) > EPS) y = -(l1.a * x + l1.c);
-	else y = -(l2.a * x + l2.c);
-	p = {x, y};
-	return true;
-}