From a097841ed4896a2564f941df90f50fde0d72417f Mon Sep 17 00:00:00 2001
From: Paul Jungeblut <paul.jungeblut@gmail.com>
Date: Thu, 6 Oct 2016 23:07:28 +0200
Subject: Typesetting for lines.

---
 geometry/lines.cpp |  11 +++--------
 tcr.pdf            | Bin 257221 -> 257067 bytes
 2 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/geometry/lines.cpp b/geometry/lines.cpp
index ec6fdde..2594ab4 100644
--- a/geometry/lines.cpp
+++ b/geometry/lines.cpp
@@ -1,11 +1,6 @@
-struct pt { //complex<double> does not work here, becuase we need to set pt.x and pt.y
-	double x, y;
-	pt() {};
-	pt(double x, double y) : x(x), y(y) {};
-};
-
+// Nicht complex<double> benutzen. Eigene struct schreiben.
 struct line {
-	double a, b, c; //a*x+b*y+c, b=0 <=> vertical line, b=1 <=> otherwise
+	double a, b, c; // ax + by + c = 0; vertikale Line: b = 0, sonst: b = 1
 };
 
 line pointsToLine(pt p1, pt p2) {
@@ -34,4 +29,4 @@ bool areIntersect(line l1, line l2, pt &p) {
 	if (fabs(l1.b) > EPSILON) p.y = -(l1.a * p.x + l1.c);
 	else p.y = -(l2.a * p.x + l2.c);
 	return true;
-}
\ No newline at end of file
+}
diff --git a/tcr.pdf b/tcr.pdf
index 29fed4b..fc9c8bf 100644
Binary files a/tcr.pdf and b/tcr.pdf differ
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