static void Main(string[] args)
{
try
{
IMathObject f = new Fraction(-8, 5);
Console.WriteLine(f);
IMathObject g = new Fraction(-2, 5);
Console.WriteLine(g);
IMathObject k = f.Summa(g);
IMathObject z = g.Multiply(2.0);
Console.WriteLine(z);
Console.WriteLine(k);
IMathObject f1 = new Fraction(15, -5);
Console.WriteLine(f1);
IMathObject p = IMathObjectMethods.GetSummaInList(f, g, k, z, f1);
Console.WriteLine(p);
IMathObject[] list = { f, g, k, z, f1 };
IMathObject p1 = IMathObjectMethods.GetSummaInList(list);
Console.WriteLine(p1);
Console.ReadLine();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.ReadLine();
}
}
public IMathObject Multiply(IMathObject ob)
{
Fraction obj1 = ob as Fraction;
int N = Numerator * obj1.Numerator;
int D = obj1.Denominator * Denominator;
Fraction result = new Fraction(N, D);
return(result);
}
public IMathObject Substract(IMathObject ob)
{
Fraction obj1 = ob as Fraction;
int N = obj1.Denominator * Numerator - obj1.Numerator * Denominator;
int D = obj1.Denominator * Denominator;
Fraction result = new Fraction(N, D);
return(result);
}
public static IMathObject GetSummaInList(params IMathObject[] list)
{
IMathObject result = list[0];
for (int i = 1; i < list.Length; i++)
{
result = result.Summa(list[i]);
}
return(result);
}
/// Safe to call, even if one or both are null. Returns true if both are null. public static bool NullCheckingEquals(this IMathObject obj1, IMathObject obj2) => obj1 == null ? obj2 == null ? true : false : obj2 == null ? false : obj1.Equals(obj2);