public static Fraction operator -(Fraction b, Fraction c)
{
Fraction fr = new Fraction();
fr.Numerator = b.Numerator - c.Numerator;
fr.Denominator = b.Denominator - c.Denominator;
return fr;
}
public Pylonomial(String pylonomial, Boolean positive)
{
pyCoefficient = (Fraction.Fraction) 1;
if (!(pylonomial.StartsWith("+") || pylonomial.StartsWith("-")))
{
pylonomial = "+" + pylonomial;
}
List <String> temp = new List <String>();
Int64 previousOperator = 0;
for (Int64 i = 1; i < pylonomial.Length; i += 1)
{
if (pylonomial[(Int32)i].Equals('+') || pylonomial[(Int32)i].Equals('-'))
{
if (i - previousOperator >= 2)
{
temp.Add(pylonomial.Substring((Int32)previousOperator, (Int32)i - (Int32)previousOperator));
previousOperator = i;
}
}
}
temp.Add(pylonomial.Substring((Int32)previousOperator, pylonomial.Length - (Int32)previousOperator));
foreach (var i in temp)
{
moList.Add(new Monomial(i));
}
}
// Takes two fractions, adds them and returns the results
public Fraction.Fraction Addition(Fraction.Fraction first, Fraction.Fraction second)
{
Fraction.Fraction results = new Fraction.Fraction();
// check for errors
if (!IsNoneZeroDenominator(first.GetDenominator()) || !IsNoneZeroDenominator(second.GetDenominator()))
{
return(results);
}
// if not a common denominator do the thing
if (first.GetDenominator() != second.GetDenominator())
{
int firstMultiple = first.GetDenominator();
first.SetDenominator(first.GetDenominator() * second.GetDenominator());
first.SetNumerator(first.GetNumerator() * second.GetDenominator());
second.SetDenominator(firstMultiple * second.GetDenominator());
second.SetNumerator(firstMultiple * second.GetNumerator());
}
// Do the math
results.SetNumerator(first.GetNumerator() + second.GetNumerator());
results.SetDenominator(first.GetDenominator());
return(results);
}
public Fraction(Fraction frac)
{
this.Num = frac.Num;
this.Denom = frac.Denom;
setNum = true;
setDenom = true;
}
public static void Main(string[] args)
{
Fraction fraction1 = new Fraction(22, 7);
Fraction fraction2 = new Fraction(40, 4);
Fraction result = fraction1 + fraction2;
Console.WriteLine(result.Numerator);
Console.WriteLine(result.Denominator);
Console.WriteLine(result);
}
public static void Main()
{
Fraction fra1 = new Fraction(3, 2);
Fraction fra2 = new Fraction(2, 4);
Fraction fra3 = new Fraction();
Fraction fra4 = new Fraction(3, 2);
Console.Write("Fraction #1:\t {0}", fra1);
Console.WriteLine("\tFraction #2:\t {0}", fra2);
Console.Write("Fraction #3:\t {0}", fra3);
Console.WriteLine("\tFraction #4:\t {0}", fra4);
Console.WriteLine();
Console.WriteLine("fra1 simplified:\t{0}", fra1.simplify());
Console.WriteLine("fra2 simplified:\t{0}", fra2.simplify());
Console.WriteLine();
fra3 = fra1 + fra2;
Console.WriteLine("fra3 = fra1 + fra2\t {0}", fra3.simplify());
fra4 += fra2;
Console.WriteLine("fra4 += fra2\t\t {0}", fra4.simplify());
fra3 = fra1 - fra2;
Console.WriteLine("fra3 = fra1 - fra2\t {0}", fra3.simplify());
fra3 = fra1 * fra2;
Console.WriteLine("fra3 = fra1 * fra2\t {0}", fra3.simplify());
fra3 = fra1 / fra2;
Console.WriteLine("fra3 = fra1 / fra2\t {0}", fra3.simplify());
Console.WriteLine();
Console.WriteLine("fra1 == fra4\t{0}", fra1 == fra4);
Console.WriteLine("fra1 == fra2\t{0}", fra1 == fra2);
Console.WriteLine();
Console.WriteLine("fra1 != fra4\t{0}", fra1 != fra4);
Console.WriteLine("fra1 != fra2\t{0}", fra1 != fra2);
Console.WriteLine();
Console.WriteLine("fra1 > fra2?\t{0}", fra1 > fra2);
Console.WriteLine("fra1 < fra2?\t{0}", fra1 < fra2);
Console.WriteLine();
Console.WriteLine("(int)fra1:\t{0}", (int)fra1);
Console.WriteLine("(int)fra2:\t{0}", (int)fra2);
Console.WriteLine();
Console.WriteLine("(double)fra1:\t{0}", (double)fra1);
Console.WriteLine("(double)fra2:\t{0}", (double)fra2);
Console.WriteLine();
Console.ReadKey();
}
// Takes two fractions, divides the first with the second and returns the results
public Fraction.Fraction Division(Fraction.Fraction first, Fraction.Fraction second)
{
Fraction.Fraction results = new Fraction.Fraction();
// check for errors
if (!IsNoneZeroDenominator(first.GetDenominator()) || !IsNoneZeroDenominator(second.GetDenominator()))
{
return(results);
}
// Do the math
results.SetNumerator(first.GetNumerator() * second.GetDenominator());
results.SetDenominator(first.GetDenominator() * second.GetNumerator());
// Return the reduced version of the results
return(results);
}
public Pylonomial(String pylonomial)
{
const String pattern1 = @"^[+-](\d+)?[(]";
const String pattern2 = @"[+-]\d+";
const String pattern3 = @"[+-]\d{0,65536}[A-Za-z]?(\^\d+\^)?";
const String pattern4 = @"[+-]";
if (!(pylonomial.StartsWith("+") || pylonomial.StartsWith("-")))
{
pylonomial = "+" + pylonomial;
}
Match match = Regex.Match(pylonomial, pattern1);
if (Regex.IsMatch(match.Value, pattern2))
{
pyCoefficient = Fraction.Fraction.Parse(Regex.Match(match.Value, pattern2).Value);
}
else
{
switch (Regex.Match(match.Value, pattern4).Value)
{
case "+":
pyCoefficient = (Fraction.Fraction) 1;
break;
case "-":
pyCoefficient = (Fraction.Fraction)(-1);
break;
default:
break;
}
}
pylonomial = Regex.Replace(pylonomial, pattern1, "");
pylonomial = pylonomial.Replace(")", "");
if (!(pylonomial.StartsWith("+") || pylonomial.StartsWith("-")))
{
pylonomial = "+" + pylonomial;
}
MatchCollection matchCollection = Regex.Matches(pylonomial, pattern3);
for (Int64 i = 0; i < matchCollection.Count; i += 1)
{
moList.Add(new Monomial(matchCollection[(Int32)i].Value));
}
}
// Reduce the fraction down to its lowest terms before my teacher gets mad at me
public Fraction.Fraction ReducedFraction(Fraction.Fraction fractionToReduce)
{
// Protection against 0
if (fractionToReduce.GetDenominator() == 0)
{
return(fractionToReduce);
}
int gcd = GreatestCommonDenominator(fractionToReduce.GetNumerator(), fractionToReduce.GetDenominator());
if (gcd != 0)
{
fractionToReduce.SetNumerator(fractionToReduce.GetNumerator() / gcd);
fractionToReduce.SetDenominator(fractionToReduce.GetDenominator() / gcd);
}
if (gcd < 0)
{
fractionToReduce.SetNumerator(fractionToReduce.GetNumerator() * -1);
fractionToReduce.SetDenominator(fractionToReduce.GetDenominator() * -1);
}
return(fractionToReduce);
}
Fraction AddFraction(Fraction target)
{
return(Add(this, target));
}
static void Main(string[] args)
{
//different constructors and string formats
List <Fraction> fractions = new List <Fraction>()
{
new Fraction(5),
new Fraction(2, 3),
new Fraction(1.45),
Fraction.GetFraction("5/3"),
Fraction.GetFraction("-3(1/2)"),
Fraction.GetFraction("15,69"),
Fraction.GetFraction("21")
};
Console.WriteLine("YES");
//overload operations
fractions.Add(fractions[0] + fractions[2]);
fractions.Add(fractions[3] - fractions[1]);
fractions.Add(fractions[6] * fractions[4]);
fractions.Add(fractions[5] / fractions[7]);
//use Clone
fractions.Add(fractions[3].Clone() as Fraction);
Fraction testFraction = new Fraction(-42, 13);
Console.WriteLine("Try to convert fraction to unsuported format: ");
try
{
testFraction.ToString("The string");
}
catch (FormatException ex)
{
Console.WriteLine(ex.Message);
}
Console.WriteLine("\nTry get fraction using unssuported format:");
try
{
fractions.Add(Fraction.GetFraction("The string"));
}
catch (FormatException ex)
{
Console.WriteLine(ex.Message);
}
Console.WriteLine("\nTry to add fraction with denominator = 0 :");
try
{
fractions.Add(new Fraction(12, 0));
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
Console.WriteLine("\nTry to add fraction with denominator < 0 :");
try
{
fractions.Add(new Fraction(12, -3));
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
Console.WriteLine("\nList of all fractions:");
fractions.ForEach(i => Console.WriteLine("{0:S}", i));
Console.WriteLine("\noutput fraction in different formats:");
Console.WriteLine("{0:S}", testFraction);
Console.WriteLine("{0:M}", testFraction);
Console.WriteLine("{0:D}", testFraction);
Console.WriteLine("{0:I}", testFraction);
Console.WriteLine("\nCoversion:");
Console.WriteLine((short)testFraction);
Console.WriteLine((int)testFraction);
Console.WriteLine((long)testFraction);
Console.WriteLine((float)testFraction);
Console.WriteLine((double)testFraction);
Console.WriteLine(Convert.ToBoolean(testFraction));
Console.WriteLine(Convert.ToString(testFraction));
Console.WriteLine("\nComparison:");
Console.WriteLine(fractions[0] == fractions[9]);
Console.WriteLine(fractions[3] != fractions[5]);
Console.WriteLine(fractions[6] < fractions[8]);
Console.WriteLine(fractions[1] >= fractions[7]);
}
static void Main(string[] args)
{
Fraction f, d;
Fraction rez = new Fraction();
Console.WriteLine("Введите числитель, знаменатель первой дроби");
long num1 = long.Parse(Console.ReadLine());
long den1 = long.Parse(Console.ReadLine());
try
{
f = new Fraction(num1, den1);
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
return;
}
Console.WriteLine("Введите числитель, знаменатель второй дроби");
long num2 = long.Parse(Console.ReadLine());
long den2 = long.Parse(Console.ReadLine());
try
{
d = new Fraction(num2, den2);
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
return;
}
char choice;
while (true)
{
choice = option();
Console.Clear();
if (choice != '0')
{
switch (choice)
{
case '1':
rez = f + d;
Console.WriteLine("Сумма = {0}", (rez).ToString());
break;
case '2':
rez = f - d;
Console.WriteLine("Разность = {0}", (rez).ToString());
break;
case '3':
rez = f * d;
Console.WriteLine("Произведение = {0}", (rez).ToString());
break;
case '4':
{
try
{
rez = f / d;
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
break;
}
Console.WriteLine("Деление = {0:F}", (rez).ToString());
}
break;
case '5':
rez = -rez;
Console.WriteLine("Унарный минус = {0:F}", (rez).ToString());
break;
}
}
else
{
break;
}
}
Console.WriteLine("Знаменатель первой дроби до изменения равен {0:D}", f.numerator);
f.numerator = 1;
Console.WriteLine("Знаменатель первой дроби после изменения на 1 равен {0:D}", f.numerator);
Console.WriteLine("Десятичная дробь {0:F} ", f.getValue());
}
private static void isInit(Fraction fra1, Fraction fra2)
{
fra1.isInit();
fra2.isInit();
}
protected bool Equals(Fraction other)
{
return(Numerator * other.Denominator == Denominator * other.Numerator);
}
public bool Equals(Fraction obj)
{
return(ToString() == obj.ToString());
}
Fraction DivFraction(Fraction target)
{
return(Divide(this, target));
}
Fraction MulFraction(Fraction target)
{
return(Multiply(this, target));
}
public Fraction(BigInteger numer, Fraction deno)
{
Reduct();
}
public Fraction(Fraction numer, BigInteger deno)
{
Reduct();
}
public Fraction(Fraction numer, Fraction deno)
{
//BigInteger lcm = GCD.GCD.GetGCD(numer.Denominator, deno.Denominator).LCM;
//numerator = lcm / numer.Denominator;
Reduct();
}
Fraction SubFraction(Fraction target)
{
return(Subtract(this, target));
}
static void Main(string[] args)
{
bool endApp = false;
Console.WriteLine("Fraction calculator in C#\r");
Console.WriteLine("-------------------------\n");
while (!endApp)
{
//First fraction enter and check
Console.WriteLine("Enter first fraction:");
string n1 = Console.ReadLine();
int cleanN1;
while (!int.TryParse(n1, out cleanN1))
{
Console.Write("This is not valid input. Please enter an integer value: ");
n1 = Console.ReadLine();
}
string d1 = Console.ReadLine();
int cleanD1;
while (!int.TryParse(d1, out cleanD1) || cleanD1 == 0)
{
Console.Write("This is not valid input. Please enter an integer not zero value: ");
d1 = Console.ReadLine();
}
//Second fraction enter and check
Console.WriteLine("Enter second fraction:");
string n2 = Console.ReadLine();
int cleanN2;
while (!int.TryParse(n2, out cleanN2))
{
Console.Write("This is not valid input. Please enter an integer value: ");
n2 = Console.ReadLine();
}
string d2 = Console.ReadLine();
int cleanD2;
while (!int.TryParse(d2, out cleanD2) || cleanD2 == 0)
{
Console.Write("This is not valid input. Please enter an integer not zero value: ");
d2 = Console.ReadLine();
}
//Create objects of Fraction class
Fraction a = new Fraction(cleanN1, cleanD1);
Fraction b = new Fraction(cleanN2, cleanD2);
Console.WriteLine("Choose an operator from the following list:");
Console.WriteLine("\ta - Add");
Console.WriteLine("\ts - Subtract");
Console.WriteLine("\tm - Multiply");
Console.WriteLine("\td - Divide");
Console.Write("Your option? ");
string op = Console.ReadLine();
string result = "";
Fraction c;
switch (op)
{
case "a":
c = Fraction.Add(a, b);
result = a.Output() + "+" + b.Output() + "=" + c.Output();
break;
case "s":
c = Fraction.Subtract(a, b);
result = a.Output() + "+" + b.Output() + "=" + c.Output();
break;
case "m":
c = Fraction.Multiply(a, b);
result = a.Output() + "+" + b.Output() + "=" + c.Output();
break;
case "d":
c = Fraction.Divide(a, b);
result = a.Output() + "+" + b.Output() + "=" + c.Output();
break;
default:
break;
}
if (string.IsNullOrEmpty(result))
{
Console.WriteLine("This operation will result in a mathematical error.\n");
}
else
{
Console.WriteLine("Result: " + result);
}
Console.WriteLine("------------------------\n");
Console.Write("Press 'n' and Enter to close the app, or press any other key and Enter to continue: ");
if (Console.ReadLine() == "n")
{
endApp = true;
}
Console.WriteLine("\n");
}
return;
}
