public override bool Equals(object obj)
{
if (obj == null)
{
return(false);
}
if (!(obj is RationalNumber))
{
return(false);
}
RationalNumber r = (RationalNumber)obj;
if (r.numerator == this.numerator && r.denominator == this.denominator)
{
return(true);
}
return(false);
}
public object MultiplyBy(RationalNumber factor)
{
return(RationalNumber.Create(this.numerator * factor.numerator, this.denominator * factor.denominator));
}
public object Subtract(RationalNumber number)
{
return(RationalNumber.Create((this.numerator * number.denominator) - (number.numerator * this.denominator), this.denominator * number.denominator));
}
public object SubtractFrom(long number)
{
return(RationalNumber.Create((number * this.denominator) - this.numerator, this.denominator));
}
public object Subtract(long number)
{
return(RationalNumber.Create(this.numerator - (number * this.denominator), this.denominator));
}
public object Add(RationalNumber number)
{
return(RationalNumber.Create((this.numerator * number.denominator) + (number.numerator * this.denominator), this.denominator * number.denominator));
}
public object Add(long number)
{
return(RationalNumber.Create(this.numerator + (number * this.denominator), this.denominator));
}
public object DivideBy(RationalNumber divisor)
{
return(RationalNumber.Create(this.numerator * divisor.denominator, this.denominator * divisor.numerator));
}
public object DivideTo(long divident)
{
return(RationalNumber.Create(this.denominator * divident, this.numerator));
}