Arithmetic Functions

arithmeticfunctions.cpp

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+#include "arithmeticfunctions.h"
+#include <cmath>
+
+// Compute x^3
+int cube(int x){
+    return pow(x, 3);
+}
+
+// Compute the maximum of x and y
+int max(int x, int y){
+    if (x>y) {
+    	return x;
+    } else {
+        return y;
+    }
+}
+
+// Compute x - y
+int difference(int x, int y){
+    return x - y;
+}

arithmeticfunctions.h

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+#include <iostream>
+
+int cube(int x);
+int max(int x, int y);
+int difference(int x, int y);
+
+int main() {
+    int cube2 = cube(2);
+    if (cube2 != 8) {
+        std::cout << "ERROR: cube(2) = " << cube2 << ", expected 8" << std::endl;
+    }
+    int max85 = max(8, 5);
+    if (max85 != 8) {
+        std::cout << "ERROR: max(8, 5) = " << max85 << ", expected 8" << std::endl;
+    }
+    int diff102 = difference(10, 2);
+    if (diff102 != 8) {
+        std::cout << "ERROR: difference(10, 2) = " << diff102 << ", expected 8" << std::endl;
+    }
+}