public static RationalNum operator -(RationalNum num1, RationalNum num2)
{
RationalNum temp = new RationalNum();
int tempN1 = num1.negative ? -num1.n : num1.n;
int tempN2 = num2.negative ? -num2.n : num2.n;
int commonM = LCM(num1.m, num2.m);
temp.m = commonM;
tempN1 = tempN1 * commonM / num1.m;
tempN2 = tempN2 * commonM / num2.m;
temp.n = tempN1 - tempN2;
if (temp.n < 0)
{
temp.negative = true;
temp.n = -temp.n;
}
int commonD = GCD(temp.n, temp.m);
temp.n /= commonD;
temp.m /= commonD;
return(temp);
}
public RationalNum(string str)
{
RationalNum temp = StringToRationalNum(str);
n = temp.n;
m = temp.m;
negative = temp.negative;
}
public static RationalNum operator /(RationalNum num1, RationalNum num2)
{
if (num2.n == 0)
{
throw new Exception("Division by zero");
}
RationalNum temp = new RationalNum();
temp.negative = num2.negative;
temp.n = num2.m;
temp.m = num2.n;
return(num1 * temp);
}
static void Main(string[] args)
{
RationalNum a1 = new RationalNum("0.(3)");
RationalNum b1 = new RationalNum("1/3");
RationalNum res1 = a1 + b1;
Console.WriteLine(res1);
Console.WriteLine(a1);
Console.WriteLine(b1);
Console.WriteLine(a1.ToString());
Console.WriteLine(b1.ToString());
Console.WriteLine();
Console.WriteLine(a1.ToStirng("{0:C}"));
Console.WriteLine(a1.ToStirng("{0:f4}"));
Console.WriteLine(a1.ToStirng("{0:P1}"));
Console.WriteLine();
RationalNum a2 = new RationalNum("0.654(32)");
RationalNum b2 = new RationalNum("-36.987");
RationalNum res2 = a2 - b2;
Console.WriteLine(res2);
Console.WriteLine(a2);
Console.WriteLine(b2);
Console.WriteLine(a2.ToString());
Console.WriteLine(b2.ToString());
RationalNum res3 = a2 * b2;
Console.WriteLine(res3);
RationalNum res4 = a2 / b2;
Console.WriteLine(res4);
double d = a1;
int i = (int)a1;
Console.WriteLine(d);
Console.WriteLine(i);
}
public static RationalNum operator *(RationalNum num1, RationalNum num2)
{
RationalNum temp = new RationalNum();
if ((num1.negative && num2.negative) || (!num1.negative && !num2.negative))
{
temp.negative = false;
}
else
{
temp.negative = true;
}
temp.n = num1.n * num2.n;
temp.m = num1.m * num2.m;
int commonD = GCD(temp.n, temp.m);
temp.n /= commonD;
temp.m /= commonD;
return(temp);
}
public static RationalNum StringToRationalNum(string str)
{
RationalNum num = new RationalNum();
num.negative = false;
str.Replace(" ", "");
if (str.Contains("."))
{
str = str.Replace('.', ' ');
str = str.Replace('(', ' ');
str = str.Replace(')', ' ');
string[] arr = str.Split(' ');
if (arr.Length == 2)
{
int integerPart = 0;
int fractionalPart = 0;
try
{
integerPart = Convert.ToInt32(arr[0]);
if (arr[0][0] == '-')
{
integerPart = integerPart >= 0 ? integerPart : -integerPart;
num.negative = true;
}
fractionalPart = Convert.ToInt32(arr[1]);
if (fractionalPart < 0)
{
throw new Exception("Unkorrect input");
}
}
catch
{
throw new Exception("Unkorrect input");
}
int tempN = fractionalPart;
int tempM = (int)Math.Pow(10, arr[1].Length);
tempN = tempM * integerPart + tempN;
int commonD = GCD(tempN, tempM);
tempM /= commonD;
tempN /= commonD;
num.n = tempN;
num.m = tempM;
}
else if (arr.Length == 4 && arr[3] == "")
{
int integerPart = 0;
int fractionalPart = 0;
int periodicPart = 0;
try
{
integerPart = Convert.ToInt32(arr[0]);
if (arr[0][0] == '-')
{
integerPart = integerPart >= 0 ? integerPart : -integerPart;
num.negative = true;
}
if (arr[1].Length != 0)
{
fractionalPart = Convert.ToInt32(arr[1]);
}
else
{
fractionalPart = 0;
}
periodicPart = Convert.ToInt32(arr[2]);
}
catch
{
throw new Exception("Unkorrect input");
}
int tempN = (fractionalPart * (int)Math.Pow(10, arr[2].Length) + periodicPart) -
fractionalPart;
int tempM = NinesByCount(arr[2].Length) * (int)Math.Pow(10, arr[1].Length);
tempN = integerPart * tempM + tempN;
int commonD = GCD(tempN, tempM);
tempM /= commonD;
tempN /= commonD;
num.n = tempN;
num.m = tempM;
}
}
else if (str.Contains("/"))
{
string[] arr = str.Split('/');
int tempN = 0;
int tempM = 0;
try
{
tempN = Convert.ToInt32(arr[0]);
if (arr[0][0] == '-')
{
tempN = tempN >= 0 ? tempN : -tempN;
num.negative = true;
}
tempM = Convert.ToInt32(arr[1]);
if (tempM == 0)
{
throw new Exception("Unkorrect input");
}
}
catch
{
throw new Exception("Unkorrect input");
}
num.n = tempN;
num.m = tempM;
}
else
{
throw new Exception("Unkorrect input");
}
return(num);
}
public RationalNum(RationalNum obj)
{
n = obj.n;
m = obj.m;
negative = obj.negative;
}
public static void RationNumberArrFiller(ref RationalNum[] rationNumbers)
{
string numberQuantityStr;
//задание количества рационалных чисел
WriteLine("How many numbers do you whant to create?");
numberQuantityStr = ReadLine();
int.TryParse((((string.IsNullOrEmpty(numberQuantityStr)) || (int.Parse(numberQuantityStr) <= 0)) ?
"0" : numberQuantityStr), out int numbersQuantity);
if (numbersQuantity <= 0)
{
Write("wrong number entered");
return;
}
rationNumbers = new RationalNum[numbersQuantity];
//заполнение массива рац. чисел
for (int i = 0; i < rationNumbers.Length; i++)
{
string entringNumStr;
int numerator;
int denumerator;
for (; ;)
{
//вводим проверяем числитель
WriteLine("Enter numerator please");
entringNumStr = ReadLine();
if ((string.IsNullOrEmpty(entringNumStr)) || (int.Parse(entringNumStr) < 0))
{
WriteLine("Wrong value was entered, try again please!");
}
else
{
numerator = int.Parse(entringNumStr);
break;
}
}
for (; ;)
{
//знаменатель
WriteLine("Enter denumerator please");
entringNumStr = ReadLine();
if ((string.IsNullOrEmpty(entringNumStr)) || (int.Parse(entringNumStr) < 0))
{
WriteLine("Wrong value was entered, try again please!");
}
else
{
denumerator = int.Parse(entringNumStr);
break;
}
}
rationNumbers[i] = new RationalNum(numerator, denumerator);
}
}
static void Main(string[] args)
{
RationalNum num1 = new RationalNum(11, -2);
RationalNum num2 = new RationalNum(11, -2);
Console.WriteLine(num1 + num2);
Console.WriteLine((double)(num1 - num2));
Console.WriteLine(num1 * num2);
Console.WriteLine(num1 / num2);
Console.WriteLine(num1);
Console.WriteLine(num1 > num2);
Console.WriteLine(num1 < num2);
Console.WriteLine(num1 >= num2);
Console.WriteLine(num1 <= num2);
Console.WriteLine(num1 != num2);
Console.WriteLine(num1 == num2);
Console.WriteLine(num1.Equals(-5.5));
Console.WriteLine(num1.Equals(num2));
Console.WriteLine(num1.GetHashCode());
Console.WriteLine(num2.GetHashCode());
Console.WriteLine(num1.ToString("D"));
Console.WriteLine(num1.ToString("F"));
Console.WriteLine(num2.ToString("E"));
Console.WriteLine(num2.ToString("G"));
Console.WriteLine();
Console.WriteLine("{0:D}", num1);
Console.WriteLine("{0:F}", num1);
Console.WriteLine("{0:E}", num2);
Console.WriteLine("{0:G}", num2);
Console.WriteLine();
Console.WriteLine(num1.ToString() + " [ ]");
Console.WriteLine(Convert.ToInt32(num1));
Console.WriteLine(Convert.ToDecimal(num1));
Console.WriteLine(Convert.ToString(num1));
Console.WriteLine("Bool " + Convert.ToBoolean(num1));
List <RationalNum> listWithNumbers = new List <RationalNum>()
{
new RationalNum(1, 4),
new RationalNum(2),
new RationalNum(3, 4)
};
listWithNumbers.Add(RationalNum.Parse("4/-7"));
listWithNumbers.Add(RationalNum.Parse("-2"));
listWithNumbers.Add(RationalNum.Parse("-0.75"));
listWithNumbers.Add(RationalNum.Parse("-0,89"));
listWithNumbers.Add(RationalNum.Parse("1,1"));
listWithNumbers.Add(RationalNum.Parse("-1/3"));
foreach (RationalNum num in listWithNumbers)
{
Console.Write(num + " ");
}
Console.WriteLine();
listWithNumbers.Sort();
foreach (RationalNum num in listWithNumbers)
{
Console.Write(num + " ");
}
Console.WriteLine();
RationalNum number;
Console.WriteLine(RationalNum.TryParse("Some text", out number));
Console.WriteLine(RationalNum.TryParse("2/5", out number));
Console.WriteLine(RationalNum.TryParse("()v/4)", out number));
}
