REDUCE FRACTIONS:

Client Program:

```#include
#include "Fraction.h"
#include
#include
#include
using namespace std;
using namespace cs_Fraction;

void BasicTest();
void RelationTest();
void BinaryMathTest();
void MathAssignTest();
bool eof(ifstream& in);
string boolString(bool convertMe);

int main()
{
BasicTest();
RelationTest();
BinaryMathTest();
MathAssignTest();
}

void BasicTest()
{
cout << "n----- Testing basic Fraction creation & printingn";
cout << "(Fractions should be in reduced form, and as mixed numbers.)n";

const Fraction fr[] = {Fraction(4, 8), Fraction(-15,21),
Fraction(10), Fraction(12, -3),
Fraction(), Fraction(28, 6), Fraction(0, 12)};

for (int i = 0; i < 7; i++){
cout << "Fraction [" << i <<"] = " << fr[i] << endl;
}

cout << "n----- Now reading Fractions from filen";
ifstream in("Fraction.txt");
assert(in);
while (!eof(in)) {
Fraction f;
if (in.peek() == '#') {
in.ignore(128, 'n');                       //skip this line, it's a comment
} else {
in >> f;
cout << "Read Fraction = " << f << endl;
}
}
}

bool eof(ifstream& in)
{
char ch;
in >> ch;
in.putback(ch);
return !in;
}

string boolString(bool convertMe) {
if (convertMe) {
return "true";
} else {
return "false";
}
}

void RelationTest()
{
cout << "n----- Testing relational operators between Fractionsn";

const Fraction fr[] =  {Fraction(3, 6), Fraction(1,2), Fraction(-15,30),
Fraction(1,10), Fraction(0,1), Fraction(0,2)};

for (int i = 0; i < 5; i++) {
cout << "Comparing " << fr[i] << " to " << fr[i+1] << endl;
cout << "tIs left < right? " << boolString(fr[i] < fr[i+1]) << endl;
cout << "tIs left <= right? " << boolString(fr[i] <= fr[i+1]) << endl;
cout << "tIs left > right? " << boolString(fr[i] > fr[i+1]) << endl;
cout << "tIs left >= right? " << boolString(fr[i] >= fr[i+1]) << endl;
cout << "tDoes left == right? " << boolString(fr[i] == fr[i+1]) << endl;
cout << "tDoes left != right ? " << boolString(fr[i] != fr[i+1]) << endl;
}

cout << "n----- Testing relations between Fractions and integersn";
Fraction f(-3,6);
int num = 2;
cout << "Comparing " << f << " to " << num << endl;
cout << "tIs left < right? " << boolString(f < num) << endl;
cout << "tIs left <= right? " << boolString(f <= num) << endl;
cout << "tIs left > right? " << boolString(f > num) << endl;
cout << "tIs left >= right? " << boolString(f >= num) << endl;
cout << "tDoes left == right? " << boolString(f == num) << endl;
cout << "tDoes left != right ? " << boolString(f != num) << endl;

Fraction g(1,4);
num = -3;
cout << "Comparing " << num << " to " << g << endl;
cout << "tIs left < right? " << boolString(num < g) << endl;
cout << "tIs left <= right? " << boolString(num <= g) << endl;
cout << "tIs left > right? " << boolString(num > g) << endl;
cout << "tIs left >= right? " << boolString(num >= g) << endl;
cout << "tDoes left == right? " << boolString(num == g) << endl;
cout << "tDoes left != right ? " << boolString(num != g) << endl;
}

void BinaryMathTest()
{
cout << "n----- Testing binary arithmetic between Fractionsn";

const Fraction fr[] = {Fraction(1, 6), Fraction(1,3),
Fraction(-2,3), Fraction(5), Fraction(-4,3)};

for (int i = 0; i < 4; i++) {
cout << fr[i] << " + " << fr[i+1] << " = " << fr[i] + fr[i+1] << endl;
cout << fr[i] << " - " << fr[i+1] << " = " << fr[i] - fr[i+1] << endl;
cout << fr[i] << " * " << fr[i+1] << " = " << fr[i] * fr[i+1] << endl;
cout << fr[i] << " / " << fr[i+1] << " = " << fr[i] / fr[i+1] << endl;
}

cout << "n----- Testing arithmetic between Fractions and integersn";
Fraction f(-1, 2);
int num = 4;
cout << f << " + " << num << " = " << f + num << endl;
cout << f << " - " << num << " = " << f - num << endl;
cout << f << " * " << num << " = " << f * num << endl;
cout << f << " / " << num << " = " << f / num << endl;

Fraction g(-1, 2);
num = 3;
cout << num << " + " << g << " = " << num + g << endl;
cout << num << " - " << g << " = " << num - g << endl;
cout << num << " * " << g << " = " << num * g << endl;
cout << num << " / " << g << " = " << num / g << endl;
}

void MathAssignTest()
{
cout << "n----- Testing shorthand arithmetic assignment on Fractionsn";

Fraction fr[] = {Fraction(1, 6), Fraction(4),
Fraction(-1,2), Fraction(5)};

for (int i = 0; i < 3; i++) {
cout << fr[i] << " += " << fr[i+1] << " = ";
cout << (fr[i] += fr[i+1]) << endl;
cout << fr[i] << " -= " << fr[i+1] << " = ";
cout << (fr[i] -= fr[i+1]) << endl;
cout << fr[i] << " *= " << fr[i+1] << " = ";
cout << (fr[i] *= fr[i+1]) << endl;
cout << fr[i] << " /= " << fr[i+1] << " = ";
cout << (fr[i] /= fr[i+1]) << endl;
}

cout << "n----- Testing shorthand arithmetic assignment using integersn";
Fraction f(-1, 3);
int num = 3;
cout << f << " += " << num << " = ";
cout << (f += num) << endl;
cout << f << " -= " << num << " = ";
cout << (f -= num) << endl;
cout << f << " *= " << num << " = ";
cout << (f *= num) << endl;
cout << f << " /= " << num << " = ";
cout << (f /= num) << endl;

cout << "n----- Testing increment/decrement prefix and postfixn";
Fraction g(-1, 3);
cout << "Now g = " << g << endl;
cout << "g++ = " << g++ << endl;
cout << "Now g = " << g << endl;
cout << "++g = " << ++g << endl;
cout << "Now g = " << g << endl;
cout << "g-- = " << g-- << endl;
cout << "Now g = " << g << endl;
cout << "--g = " << --g << endl;
cout << "Now g = " << g << endl;
}
```

Frac data:

```# This file shows the patterns your Fraction class needs to be able to
# read.  A Fraction may be just a single integer, two integers separated by
# a slash, or a mixed number which consists of an integer, followed by a +
# and then two integers with a slash.  A minus sign may appear in the
# very first character to indicate the whole Fraction is negative.
# No white space is allowed in between the component parts of a Fraction.
#
1/3
3/6
3072/4096
-4/5
12/2
5
-8
21/15
-50/3
1+1/4
1+5/5
-4+3/12
-10+10/12
```

Output:

```----- Testing basic Fraction creation & printing
(Fractions should be in reduced form, and as mixed numbers.)
Fraction [0] = 1/2
Fraction [1] = -5/7
Fraction [2] = 10
Fraction [3] = -4
Fraction [4] = 0
Fraction [5] = 4+2/3
Fraction [6] = 0

----- Now reading Fractions from file

----- Testing relational operators between Fractions
Comparing 1/2 to 1/2
Is left < right? false
Is left <= right? true
Is left > right? false
Is left >= right? true
Does left == right? true
Does left != right ? false
Comparing 1/2 to -1/2
Is left < right? false
Is left <= right? false
Is left > right? true
Is left >= right? true
Does left == right? false
Does left != right ? true
Comparing -1/2 to 1/10
Is left < right? true
Is left <= right? true
Is left > right? false
Is left >= right? false
Does left == right? false
Does left != right ? true
Comparing 1/10 to 0
Is left < right? false
Is left <= right? false
Is left > right? true
Is left >= right? true
Does left == right? false
Does left != right ? true
Comparing 0 to 0
Is left < right? false
Is left <= right? true
Is left > right? false
Is left >= right? true
Does left == right? true
Does left != right ? false

----- Testing relations between Fractions and integers
Comparing -1/2 to 2
Is left < right? true
Is left <= right? true
Is left > right? false
Is left >= right? false
Does left == right? false
Does left != right ? true
Comparing -3 to 1/4
Is left < right? true
Is left <= right? true
Is left > right? false
Is left >= right? false
Does left == right? false
Does left != right ? true

----- Testing binary arithmetic between Fractions
1/6 + 1/3 = 1/2
1/6 - 1/3 = -1/6
1/6 * 1/3 = 1/18
1/6 / 1/3 = 1/2
1/3 + -2/3 = -1/3
1/3 - -2/3 = 1
1/3 * -2/3 = -2/9
1/3 / -2/3 = -1/2
-2/3 + 5 = 4+1/3
-2/3 - 5 = -5+2/3
-2/3 * 5 = -3+1/3
-2/3 / 5 = -2/15
5 + -1+1/3 = 3+2/3
5 - -1+1/3 = 6+1/3
5 * -1+1/3 = -6+2/3
5 / -1+1/3 = -3+3/4

----- Testing arithmetic between Fractions and integers
-1/2 + 4 = 3+1/2
-1/2 - 4 = -4+1/2
-1/2 * 4 = -2
-1/2 / 4 = -1/8
3 + -1/2 = 2+1/2
3 - -1/2 = 3+1/2
3 * -1/2 = -1+1/2
3 / -1/2 = -6

----- Testing shorthand arithmetic assignment on Fractions
1/6 += 4 = 4+1/6
4+1/6 -= 4 = 1/6
1/6 *= 4 = 2/3
2/3 /= 4 = 1/6
4 += -1/2 = 3+1/2
3+1/2 -= -1/2 = 4
4 *= -1/2 = -2
-2 /= -1/2 = 4
-1/2 += 5 = 4+1/2
4+1/2 -= 5 = -1/2
-1/2 *= 5 = -2+1/2
-2+1/2 /= 5 = -1/2

----- Testing shorthand arithmetic assignment using integers
-1/3 += 3 = 2+2/3
2+2/3 -= 3 = -1/3
-1/3 *= 3 = -1
-1 /= 3 = -1/3

----- Testing increment/decrement prefix and postfix
Now g = -1/3
g++ = -1/3
Now g = 2/3
++g = 1+2/3
Now g = 1+2/3
g-- = 1+2/3
Now g = 2/3
--g = -1/3
Now g = -1/3
```

main.cpp
————————————————-
#include <iostream>
#include <string>
using namespace std;

class fraction {

//variables
private: int numerator;
int denominator;

//functions
public:
// default constructor
fraction();
//constructor with one agrument
fraction(int);
//constructor with two agruments
fraction(int, int);

friend std::ostream& operator<<(std::ostream &out, const fraction &inFraction);

//Compare operators
friend bool operator== (const fraction& inLeft, const fraction& inRight);
friend bool operator!= (const fraction& inLeft, const fraction& inRight);
friend bool operator> (const fraction& inLeft, const fraction& inRight);
friend bool operator>= (const fraction& inLeft, const fraction& inRight);
friend bool operator< (const fraction& inLeft, const fraction& inRight);
friend bool operator<= (const fraction& inLeft, const fraction& inRight);

//Operations operators
friend fraction operator+ (const fraction& inLeft, const fraction& inRight);
friend fraction operator- (const fraction& inLeft, const fraction& inRight);
friend fraction operator* (const fraction& inLeft, const fraction& inRight);
friend fraction operator/ (const fraction& inLeft, const fraction& inRight);

//
fraction operator+= (const fraction& inFraction);
fraction operator-= (const fraction& inFraction);
fraction operator*= (const fraction& inFraction);
fraction operator/= (const fraction& inFraction);

//Prefix and Postfix
fraction operator++ ();
fraction operator++ (int);
fraction operator– ();
fraction operator– (int);

};

//**************************************CONSTRUCTORS***************************************************
/*
* default constructor
*/
fraction:: fraction() {
numerator = 0;
denominator = 1;
}

/*
* constructor with one agrument
*/
fraction:: fraction(int number) {
numerator = number;
denominator = 1;
}

/*
* constructor with two agruments
*/
fraction:: fraction(int inNumerator,int inDenominator)
{
numerator = inNumerator;

if(inDenominator == 0)
{
denominator = 1;
}
else
{
denominator = inDenominator;
}
}

//**********************************OUT OPERATOR***************************************
ostream& operator<< (ostream& out, const fraction& inFraction) {
return out << ‘(‘ << inFraction.numerator << ‘/’ << inFraction.denominator << ‘)’;
}

//*************************************COMPARE OPERATORS*********************************************
/*
*
*/
bool operator< (const fraction& inLeft, const fraction& inRight)
{
return (inLeft.numerator * inRight.denominator < inRight.numerator * inLeft.denominator);
}

/*
*
*/
bool operator<= (const fraction& inLeft, const fraction& inRight)
{
return (inLeft.numerator * inRight.denominator <= inRight.numerator * inLeft.denominator);
}

/*
*
*/
bool operator> (const fraction& inLeft, const fraction& inRight)
{
return (inLeft.numerator * inRight.denominator > inRight.numerator * inLeft.denominator);
}

/*
*
*/
bool operator>= (const fraction& inLeft, const fraction& inRight)
{
return (inLeft.numerator * inRight.denominator >= inRight.numerator * inLeft.denominator);
}

/*
*
*/
bool operator== (const fraction& inLeft, const fraction& inRight)
{
return (inLeft.numerator * inRight.denominator == inRight.numerator * inLeft.denominator);
}

/*
*
*/
bool operator!= (const fraction& inLeft, const fraction& inRight)
{
return (inLeft.numerator * inRight.denominator != inRight.numerator * inLeft.denominator);
}

//***************************************Operators*****************************************
/*
*
*/
fraction operator+ (const fraction& inLeft, const fraction& inRight) {
fraction result(inLeft.numerator * inRight.denominator + inRight.numerator * inLeft.denominator,
inLeft.denominator * inRight.denominator );
return result;
}

/*
*
*/
fraction operator- (const fraction& inLeft, const fraction& inRight) {
fraction result(inLeft.numerator * inRight.denominator –
inRight.numerator * inLeft.denominator,
inLeft.denominator * inRight.denominator);
return result;
}

/*
*
*/
fraction operator* (const fraction& inLeft, const fraction& inRight) {
fraction result(inLeft.numerator * inRight.numerator,
inLeft.denominator * inRight.denominator);
return result;
}

/*
*
*/
fraction operator/ (const fraction& inLeft, const fraction& inRight) {
fraction result(inLeft.numerator * inRight.denominator,
inLeft.denominator * inRight.numerator);
return result;
}

/*
*
*/
fraction fraction::operator+=(const fraction &inFraction) {
*this = *this + inFraction;
return *this;
}

/*
*
*/
fraction fraction::operator-=(const fraction &inFraction) {
*this = *this – inFraction;
return *this;
}

/*
*
*/
fraction fraction::operator*=(const fraction &inFraction) {
*this = *this * inFraction;
return *this;
}

/*
*
*/
fraction fraction::operator/=(const fraction &inFraction) {
*this = *this / inFraction;
return *this;
}

//*****************************PREFIX AND POSTFIX**************************************
/*
*
*/
fraction fraction::operator++ () {
numerator += denominator;
return *this;
}

/*
*
*/
fraction fraction::operator++ (int) {
fraction temp(numerator, denominator);
numerator += denominator;
return temp;
}

/*
*
*/
fraction fraction::operator– () {
numerator -= denominator;
return *this;
}

/*
*
*/
fraction fraction::operator– (int) {
fraction temp(numerator, denominator);
numerator -= denominator;
return temp;
}

//*****************************************TEST***********************************

void BasicTest();
void RelationTest();
void BinaryMathTest();
void MathAssignTest();
string boolString(bool convertMe);

int main()
{
BasicTest();
RelationTest();
BinaryMathTest();
MathAssignTest();
}

void BasicTest()
{
cout << “n—– Testing basic fraction creation & printingn”;

const fraction fr[] = {fraction(4, 8), fraction(-15,21),
fraction(10), fraction(12, -3),
fraction(), fraction(28, 6), fraction(0, 12)};

for (int i = 0; i < 7; i++){
cout << “fraction [” << i <<“] = ” << fr[i] << endl;
}

}

string boolString(bool convertMe) {
if (convertMe) {
return “true”;
} else {
return “false”;
}
}

void RelationTest()
{
cout << “n—– Testing relational operators between fractionsn”;

const fraction fr[] = {fraction(3, 6), fraction(1,2), fraction(-15,30),
fraction(1,10), fraction(0,1), fraction(0,2)};

for (int i = 0; i < 5; i++) {
cout << “Comparing ” << fr[i] << ” to ” << fr[i+1] << endl;
cout << “tIs left < right? ” << boolString(fr[i] < fr[i+1]) << endl;
cout << “tIs left <= right? ” << boolString(fr[i] <= fr[i+1]) << endl;
cout << “tIs left > right? ” << boolString(fr[i] > fr[i+1]) << endl;
cout << “tIs left >= right? ” << boolString(fr[i] >= fr[i+1]) << endl;
cout << “tDoes left == right? ” << boolString(fr[i] == fr[i+1]) << endl;
cout << “tDoes left != right ? ” << boolString(fr[i] != fr[i+1]) << endl;
}

cout << “n—– Testing relations between fractions and integersn”;
fraction f(-3,6);
int num = 2;
cout << “Comparing ” << f << ” to ” << num << endl;
cout << “tIs left < right? ” << boolString(f < num) << endl;
cout << “tIs left <= right? ” << boolString(f <= num) << endl;
cout << “tIs left > right? ” << boolString(f > num) << endl;
cout << “tIs left >= right? ” << boolString(f >= num) << endl;
cout << “tDoes left == right? ” << boolString(f == num) << endl;
cout << “tDoes left != right ? ” << boolString(f != num) << endl;

fraction g(1,4);
num = -3;
cout << “Comparing ” << num << ” to ” << g << endl;
cout << “tIs left < right? ” << boolString(num < g) << endl;
cout << “tIs left <= right? ” << boolString(num <= g) << endl;
cout << “tIs left > right? ” << boolString(num > g) << endl;
cout << “tIs left >= right? ” << boolString(num >= g) << endl;
cout << “tDoes left == right? ” << boolString(num == g) << endl;
cout << “tDoes left != right ? ” << boolString(num != g) << endl;
}

void BinaryMathTest()
{
cout << “n—– Testing binary arithmetic between fractionsn”;

const fraction fr[] = {fraction(1, 6), fraction(1,3),
fraction(-2,3), fraction(5), fraction(-4,3)};

for (int i = 0; i < 4; i++) {
cout << fr[i] << ” + ” << fr[i+1] << ” = ” << fr[i] + fr[i+1] << endl;
cout << fr[i] << ” – ” << fr[i+1] << ” = ” << fr[i] – fr[i+1] << endl;
cout << fr[i] << ” * ” << fr[i+1] << ” = ” << fr[i] * fr[i+1] << endl;
cout << fr[i] << ” / ” << fr[i+1] << ” = ” << fr[i] / fr[i+1] << endl;
}

cout << “n—– Testing arithmetic between fractions and integersn”;
fraction f(-1, 2);
int num = 4;
cout << f << ” + ” << num << ” = ” << f + num << endl;
cout << f << ” – ” << num << ” = ” << f – num << endl;
cout << f << ” * ” << num << ” = ” << f * num << endl;
cout << f << ” / ” << num << ” = ” << f / num << endl;

fraction g(-1, 2);
num = 3;
cout << num << ” + ” << g << ” = ” << num + g << endl;
cout << num << ” – ” << g << ” = ” << num – g << endl;
cout << num << ” * ” << g << ” = ” << num * g << endl;
cout << num << ” / ” << g << ” = ” << num / g << endl;
}

void MathAssignTest()
{
cout << “n—– Testing shorthand arithmetic assignment on fractionsn”;

fraction fr[] = {fraction(1, 6), fraction(4),
fraction(-1,2), fraction(5)};

for (int i = 0; i < 3; i++) {
cout << fr[i] << ” += ” << fr[i+1] << ” = “;
cout << (fr[i] += fr[i+1]) << endl;
cout << fr[i] << ” -= ” << fr[i+1] << ” = “;
cout << (fr[i] -= fr[i+1]) << endl;
cout << fr[i] << ” *= ” << fr[i+1] << ” = “;
cout << (fr[i] *= fr[i+1]) << endl;
cout << fr[i] << ” /= ” << fr[i+1] << ” = “;
cout << (fr[i] /= fr[i+1]) << endl;
}

cout << “n—– Testing shorthand arithmetic assignment using integersn”;
fraction f(-1, 3);
int num = 3;
cout << f << ” += ” << num << ” = “;
cout << (f += num) << endl;
cout << f << ” -= ” << num << ” = “;
cout << (f -= num) << endl;
cout << f << ” *= ” << num << ” = “;
cout << (f *= num) << endl;
cout << f << ” /= ” << num << ” = “;
cout << (f /= num) << endl;

cout << “n—– Testing increment/decrement prefix and postfixn”;
fraction g(-1, 3);
cout << “Now g = ” << g << endl;
cout << “g++ = ” << g++ << endl;
cout << “Now g = ” << g << endl;
cout << “++g = ” << ++g << endl;
cout << “Now g = ” << g << endl;
cout << “g– = ” << g– << endl;
cout << “Now g = ” << g << endl;
cout << “–g = ” << –g << endl;
cout << “Now g = ” << g << endl;
}

———————————————————————–
fraction.cpp
—————————————-
#include “fraction.h”

namespace cs_fraction {

using namespace std;

fraction::fraction(int inNumerator, int inDenominator) {
assert(inDenominator != 0);
numerator = inNumerator;
denominator = inDenominator;
this->simplify();
}

ostream& operator<< (ostream& out, const fraction& inFraction) {

if (abs(inFraction.numerator) >= abs(inFraction.denominator)) {
out << inFraction.numerator / inFraction.denominator;

if (inFraction.numerator % inFraction.denominator != 0) {
out << “+” << abs(inFraction.numerator % inFraction.denominator) << “/” <<
inFraction.denominator;
}
}

else if (inFraction.numerator == 0) {
out << 0;
}

else {
out << inFraction.numerator << “/” << inFraction.denominator;
}

return out;
}

//Takes user input of mixed numbers, negative numbers, whole numbers or fractions
//and stores them in fraction f.
istream& operator>> (istream& in, fraction& inFraction)
{
int temp;
in >> temp;
if (in.peek() == ‘+’) {

in.ignore();
in >> inFraction.numerator;
in.ignore();
in >> inFraction.denominator;

if(temp < 0) {

temp *= -1;
inFraction.numerator += temp * inFraction.denominator;
inFraction.numerator *= -1;
}

else {

inFraction.numerator += temp * inFraction.denominator;
}
}
else if (in.peek() == ‘/’) {

in.ignore();
in >> inFraction.denominator;
inFraction.numerator = temp;
}
else {

inFraction.numerator = temp;
inFraction.denominator = 1;
}

inFraction.simplify();
return in;
}

bool operator< (const fraction& inLeft, const fraction& inRight) {

return (inLeft.numerator * inRight.denominator < inRight.numerator * inLeft.denominator);
}

bool operator<= (const fraction& inLeft, const fraction& inRight) {

return (inLeft.numerator * inRight.denominator <= inRight.numerator * inLeft.denominator);
}

bool operator> (const fraction& inLeft, const fraction& inRight) {

return (inLeft.numerator * inRight.denominator > inRight.numerator * inLeft.denominator);
}

bool operator>= (const fraction& inLeft, const fraction& inRight) {

return (inLeft.numerator * inRight.denominator >= inRight.numerator * inLeft.denominator);
}

bool operator== (const fraction& inLeft, const fraction& inRight) {

return (inLeft.numerator * inRight.denominator == inRight.numerator * inLeft.denominator);
}

bool operator!= (const fraction& inLeft, const fraction& inRight) {

return (inLeft.numerator * inRight.denominator != inRight.numerator * inLeft.denominator);
}

fraction operator+ (const fraction& inLeft, const fraction& inRight) {

fraction result(inLeft.numerator * inRight.denominator +
inRight.numerator * inLeft.denominator,
inLeft.denominator * inRight.denominator );
return result;
}

fraction operator- (const fraction& inLeft, const fraction& inRight) {

fraction result(inLeft.numerator * inRight.denominator –
inRight.numerator * inLeft.denominator,
inLeft.denominator * inRight.denominator);
return result;
}

fraction operator* (const fraction& inLeft, const fraction& inRight) {

fraction result(inLeft.numerator * inRight.numerator,
inLeft.denominator * inRight.denominator);
return result;
}

fraction operator/ (const fraction& inLeft, const fraction& inRight) {

fraction result(inLeft.numerator * inRight.denominator,
inLeft.denominator * inRight.numerator);
return result;
}

fraction fraction::operator+=(const fraction &inFraction) {

*this = *this + inFraction;
return *this;
}

fraction fraction::operator-=(const fraction &inFraction) {

*this = *this – inFraction;
return *this;
}

fraction fraction::operator*=(const fraction &inFraction) {

*this = *this * inFraction;
return *this;
}

fraction fraction::operator/=(const fraction &inFraction) {

*this = *this / inFraction;
return *this;
}

fraction fraction::operator++ () {

numerator += denominator;
return *this;
}

fraction fraction::operator++ (int) {

fraction temp(numerator, denominator);
numerator += denominator;
return temp;
}

fraction fraction::operator– () {

numerator -= denominator;
return *this;
}

fraction fraction::operator– (int) {

fraction temp(numerator, denominator);
numerator -= denominator;
return temp;
}

void fraction::simplify() {

for (int i = denominator; i > 1; i–) {

if ((numerator % i == 0) && (denominator % i == 0)) {

numerator = numerator / i;
denominator = denominator / i;
}
}
if(denominator < 0) {

denominator *= -1;
numerator *= -1;
}
}
}
————————————————————————-
fraction.h
——————————————-
#include <iostream>
#include <cassert>
#include <cmath>

namespace cs_fraction {

class fraction {

//variables
private: int numerator;
int denominator;
void simplify();

//functions
public:
fraction(int inNumerator = 0, int inDenominator = 1);

friend std::ostream& operator<<(std::ostream& out, const fraction& inFraction);
friend std::istream& operator>>(std::istream& in, fraction& inFraction);

friend bool operator== (const fraction& inLeft, const fraction& inRight);
friend bool operator!= (const fraction& inLeft, const fraction& inRight);
friend bool operator> (const fraction& inLeft, const fraction& inRight);
friend bool operator>= (const fraction& inLeft, const fraction& inRight);
friend bool operator< (const fraction& inLeft, const fraction& inRight);
friend bool operator<= (const fraction& inLeft, const fraction& inRight);

friend fraction operator+ (const fraction& inLeft, const fraction& inRight);
friend fraction operator- (const fraction& inLeft, const fraction& inRight);
friend fraction operator* (const fraction& inLeft, const fraction& inRight);
friend fraction operator/ (const fraction& inLeft, const fraction& inRight);

fraction operator+= (const fraction& inFraction);
fraction operator-= (const fraction& inFraction);
fraction operator*= (const fraction& inFraction);
fraction operator/= (const fraction& inFraction);

fraction operator++ ();
fraction operator++ (int);
fraction operator– ();
fraction operator– (int);

};   //end class
} //end namespace
—————————————————————————————–
fraction.txt
———————————-
1/3
3/6
3072/4096
-4/5
12/2
5
-8
21/15
-50/3
1+1/4
1+5/5
-4+3/12
-10+10/12

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