Initial commit

Final/FinalCode/polymorphism/polymorphism.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+#include "triangle.h"
+#include "square.h"
+#include "shape.h"
+
+int main(){
+    Shape *triangle = newTriangle(20);
+    Shape *square = newSquare(20);
+    printf("Triangle area of perimeter 20: %f\n", triangle->area(triangle));
+    printf("Square area of perimeter 20: %f\n", square->area(square));
+    return 0;
+}
+

Final/FinalCode/polymorphism/shape.h

@@ -0,0 +1,10 @@
+#ifndef shape_h
+#define shape_h
+
+typedef struct{
+    int numSides;
+    double perimeter;
+    double (*area) ();
+} Shape;
+
+#endif

Final/FinalCode/polymorphism/square.h

@@ -0,0 +1,24 @@
+#ifndef square_h
+#define square_h
+
+#include <stdlib.h>
+#include "shape.h"
+
+double squareArea(Shape* square) {
+    double side = square->perimeter / 4;
+    double area = side * side;
+    return area;
+}
+
+Shape* newSquare(double perimeter) {
+    Shape* square = malloc(sizeof(Shape));
+    square->numSides = 3;
+    square->perimeter = perimeter;
+    square->area = squareArea;
+    return square;
+}
+
+#endif
+
+
+

Final/FinalCode/polymorphism/triangle.h

@@ -0,0 +1,24 @@
+#ifndef triangle_h
+#define triangle_h
+
+
+#include <stdlib.h>
+#include <math.h>
+#include "shape.h"
+
+double triangleArea(Shape* triangle) {
+    double side = triangle->perimeter / 3;
+    double area = (sqrt(3) / 4) * (side * side);
+    return area;
+}
+
+Shape* newTriangle(double perimeter) {
+    Shape* triangle = malloc(sizeof(Shape));
+    triangle->numSides = 4;
+    triangle->perimeter = perimeter;
+    triangle->area = triangleArea;
+    return triangle;
+}
+
+#endif
+