//Реализация метода интерфейса IComparable
public int CompareTo(object o)
{
RationalNums a = o as RationalNums;
int denom = nok(this.denominator, a.denominator);
this.numerator *= denom / this.denominator;
a.numerator *= denom / a.denominator;
if (a != null)
{
if (this.numerator > a.numerator)
{
return(1);
}
if (this.numerator < a.denominator)
{
return(-1);
}
else
{
return(0);
}
}
else
{
Console.WriteLine("Can't compare two objects");
return(-2);
}
}
static void Main(string[] args)
{
Console.WriteLine("Enter first number (in format a / b or a,bc...):");
string input = Console.ReadLine();
RationalNums a1 = new RationalNums(input);
Console.WriteLine("Enter second number, formats are same:");
string input2 = Console.ReadLine();
RationalNums a2 = new RationalNums(input2);
RationalNums res;
Console.WriteLine("Enter type of delimeter you want to use");
RationalNums.delimeter = Console.ReadLine();
res = a1 * a2;
Console.WriteLine($"{res.numerator}{RationalNums.delimeter}{res.denominator}");
res = a1 / a2;
Console.WriteLine($"{res.numerator}{RationalNums.delimeter}{res.denominator}");
res = a1 + a2;
Console.WriteLine($"{res.numerator}{RationalNums.delimeter}{res.denominator}");
res = a1 - a2;
Console.WriteLine($"{res.numerator}{RationalNums.delimeter}{res.denominator}");
if (a1 == a2)
{
Console.WriteLine("Numbers are equal");
}
else
{
Console.WriteLine("Numbers are not equal");
}
RationalNums a3 = new RationalNums(1, 4);
double x = (double)a3;
Console.WriteLine($"Explisit conversion: {x}");
x *= 2;
a3 = Convert.ToString(x);
Console.WriteLine($"Implicit conversion: {a3.numerator} / {a3.denominator}");
}
