public override bool Equals(object obj)
{
try
{
if (obj == null)
{
return(false);
}
RationalNumbers rationalnumber = obj as RationalNumbers; // возвращает null если объект нельзя привести к типу Bank
return(rationalnumber.numerator == this.numerator && rationalnumber.denominator == this.denominator);
}
catch (System.NullReferenceException)
{
return(false);
}
}//переопределение Equals
public static RationalNumbers operator+(RationalNumbers a, RationalNumbers b)
{
RationalNumbers cloneA = new RationalNumbers(a.Numerator, a.Denominator);
RationalNumbers cloneB = new RationalNumbers(b.Numerator, b.Denominator);
if (cloneA.Denominator >= cloneB.Denominator)
{
AddOrSubtract(cloneA.Denominator, cloneB.Denominator, cloneA, cloneB);
}
else
{
AddOrSubtract(cloneB.Denominator, cloneA.Denominator, cloneB, cloneA);
}
return(new RationalNumbers(cloneA.Numerator + cloneB.Numerator,
cloneA.Denominator));
}
private static void AddOrSubtract(int largerNum, int smallerNum,
RationalNumbers largerObj, RationalNumbers smallerObj)
{
int aTemp = largerObj.Denominator;
int bTemp = smallerObj.Denominator;
if (smallerNum % largerNum == 0)
{
smallerObj.Denominator = largerObj.Denominator;
}
else
{
smallerObj.Denominator *= largerObj.Denominator;
largerObj.Denominator *= bTemp;
}
largerObj.Numerator *= largerObj.Denominator / aTemp;
smallerObj.Numerator *= smallerObj.Denominator / bTemp;
}
