Finished the fraction program/class structure. Completed Homework 2.

assignmentTwo/fraction.cpp

@@ -0,0 +1,131 @@
+/*
+Program Name: Fraction
+Process: ???
+Function Input/Parameters: ???
+Function Output/Parameters: ???
+Function Output/Returned: ???
+Device Input/Device: ???
+Device Output/Monitor: ???
+Dependencies: ???
+*/
+
+#include <cstdio>
+#include <cstdlib>
+#include <iostream>
+#include <cstring>
+#include <vector>
+#include <random>
+#include <algorithm>
+#include <time.h>
+
+using namespace std;
+
+// class definitions
+class Fraction
+{
+private:
+    int numerator;
+    int denominator;
+public:
+    Fraction()
+    {
+        // default constructor, initializes to 0/1
+        numerator = 0;
+        denominator = 1;
+    }
+    Fraction(int numeratorInput, int denominatorInput)
+    {
+        numerator = numeratorInput;
+        denominator = denominatorInput;
+    }
+    ~Fraction()
+    {
+        // default destructor
+    }
+    // accessor functions
+    // mutator functions
+    // operators
+    friend bool operator==(const Fraction &fractionOne, const Fraction &fractionTwo)
+    {
+        // return true if the numerator and the denominator are equal
+        // return ((fractionOne.numerator == fractionTwo.numerator) && (fractionOne.denominator == fractionTwo.denominator)); // old version before hints
+        return ((fractionOne.numerator * fractionTwo.denominator) == (fractionTwo.numerator * fractionOne.denominator));
+    }
+    friend Fraction operator+(const Fraction &fractionOne, const Fraction &fractionTwo)
+    {
+        return Fraction(((fractionOne.numerator * fractionTwo.denominator) + (fractionTwo.numerator * fractionOne.denominator)), 
+                        (fractionOne.denominator * fractionTwo.denominator));
+    }
+    friend Fraction operator-(const Fraction &negateFraction)
+    {
+        return Fraction(-negateFraction.numerator, negateFraction.denominator);
+    }
+    friend Fraction operator-(const Fraction &fractionOne, const Fraction &fractionTwo)
+    {
+        return Fraction(((fractionOne.numerator * fractionTwo.denominator) - (fractionTwo.numerator * fractionOne.denominator)),
+                        (fractionOne.denominator * fractionTwo.denominator));
+    }
+    friend Fraction operator*(const Fraction &fractionOne, const Fraction &fractionTwo)
+    {
+        return Fraction((fractionOne.numerator * fractionTwo.numerator), (fractionOne.denominator * fractionTwo.denominator));
+    }
+    friend Fraction operator/(const Fraction &fractionOne, const Fraction &fractionTwo)
+    {
+        return Fraction((fractionOne.numerator * fractionTwo.denominator), (fractionOne.denominator * fractionTwo.numerator));
+    }
+    friend ostream &operator<<(ostream &out, const Fraction &fractionOut)
+    {
+        return out << fractionOut.numerator << "/" << fractionOut.denominator;
+    }
+    friend istream &operator>>(istream &in, Fraction &fractionIn)
+    {
+        // get a temporary string to read into.
+        string inStr;
+        // read in the string
+        in >> inStr;
+        // find position of the '/' character in the string (had to use the size_t to prevent errors/warnings.)
+        size_t slashPos = inStr.find("/");
+        // check to see if the slash was found, if it was, load the data.
+        if(slashPos != string::npos)
+        {
+            // set the data in.
+            fractionIn.numerator = atoi(inStr.substr(0, slashPos).c_str());
+            fractionIn.denominator = atoi(inStr.substr(slashPos + 1).c_str());
+        }
+        return in;
+    }
+};
+
+// function definitions
+
+// main function
+int main()
+{
+    Fraction fiveFifths(5, 5);
+    Fraction threeFifths(3, 5);
+    Fraction sevenTenths(7, 10);
+    Fraction fourTenths(4, 10);
+    Fraction userFraction;
+    // let user know the fractions.
+    cout << "The fractions are: " << endl;
+    cout << "\t" << fiveFifths << endl;
+    cout << "\t" << threeFifths << endl;
+    cout << "\t" << sevenTenths << endl;
+    cout << "\t" << fourTenths << endl;
+    // ask the user to input a fraction.
+    cout << "Enter in a fraction in numerator/denominator format: [n/d]" << endl;
+    cin >> userFraction;
+    cin.ignore();
+    // print back out the fraction
+    cout << "Your fraction is: " << endl;
+    cout << "\t" << userFraction << endl;
+    // add seven tenths and four tenths
+    cout << sevenTenths << " + " << fourTenths << " is " << sevenTenths + fourTenths << endl;
+    // subtract five fifths from three fifths
+    cout << fiveFifths << " - " << threeFifths << " is " << fiveFifths - threeFifths << endl;
+    // multiply three fifths and four tenths
+    cout << threeFifths << " * " << fourTenths << " is " << threeFifths * fourTenths << endl;
+    // divide four tenths and three fifths.
+    cout << fourTenths << " / " << threeFifths << " is " << fourTenths / threeFifths << endl;
+    return 0;
+}

assignmentTwo/userInventory.cpp

@@ -282,6 +282,5 @@ int main()
         cout << endl;
         cout << "Number of bundle objects: " << UserInventory::getBundleCount() << endl;
     }
-    // code here.
     return 0;
 }