1 files changed, 5 insertions, 4 deletions
diff --git a/Polygon.h b/Polygon.h
index 6e36bee..e52206a 100644
--- a/Polygon.h
+++ b/Polygon.h
@@ -5,6 +5,7 @@
 #include "Line.h"
 #include "Triangle.h"
 #include <vector>
+#include <list>
 
 class Polygon : public std::vector<Vertex> {
   private:
@@ -17,7 +18,7 @@ class Polygon : public std::vector<Vertex> {
     
     int quadrant(const Vertex &v) const;
     
-    double signedArea() const;
+    float signedArea() const;
     
     Triangle::Direction getDirection() const;
     bool isConcave(const Triangle::Direction &dir, const Vertex &v1, const Vertex &v2, const Vertex &v3) const;
@@ -26,14 +27,14 @@ class Polygon : public std::vector<Vertex> {
     
     void doTriangulate(std::vector<Triangle> &triangles) const;
   public:
-    double area() const;
-    double perimeter() const;
+    float area() const;
+    float perimeter() const;
     
     bool contains(const Vertex &v) const;
     bool intersects(const Line &l) const;
     
     bool isSimple() const;
-    bool simplify(Polygon &polygon) const;
+    bool simplify(std::list<Polygon> &polygons) const;
     
     void triangulate(std::vector<Triangle> &triangles) const;
 };