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