update solution of lab02

2025-01-22 14:05:54 -05:00
parent 93388c1fe2
commit b638fdea68
8 changed files with 52 additions and 12 deletions
--- a/labs/debugging/line.h
+++ b/labs/debugging/line.h
@@ -1,3 +1,5 @@
+#ifndef LINE_H
+#define LINE_H
 #include "point.h"

 // A simple line class.  In this simple world, we'll follow the
@@ -26,4 +28,4 @@ double gradient(const Line &ln);
 // (That can be used to sort a collection of roads.)
 bool steeper_gradient(const Line &m, const Line &n);

-
+#endif