public Rational Multiply(Rational x)
{
Rational mul = new Rational();
mul.Numerator = this.Numerator * x.Numerator;
mul.Denominator = this.Denominator + x.Denominator;
mul.Even();
return(mul);
}
public Rational Add(Rational c)
{
Rational add = new Rational();
add.Numerator = this.Denominator * c.Numerator + c.Denominator * this.Numerator;
add.Denominator = this.Denominator * c.Denominator;
add.Even();
return(add);
}
public Rational Sub(Rational c)
{
Rational sub = new Rational();
sub.Numerator = this.Numerator * c.Denominator - c.Numerator * this.Denominator;
sub.Denominator = this.Denominator * c.Denominator;
Console.WriteLine(sub.ToString());
sub.Even();
return(sub);
}
public static Rational operator +(Rational x, Rational y)
{
Rational result = new Rational
{
Numerator = x.Numerator * y.Denominator + y.Numerator * x.Denominator,
Denominator = x.Denominator * y.Denominator
};
result.Even();
return(result);
}
public static Rational operator /(Rational x, Rational y)
{
if (y.Numerator == 0)
{
throw new DivideByZeroException();
}
Rational result = new Rational
{
Numerator = x.Numerator * y.Denominator,
Denominator = x.Denominator * y.Numerator
};
result.Even();
return(result);
}
public Rational DivideBy(Rational x)
{
Rational div = new Rational();
if (x.Numerator < 0)
{
div.Numerator = this.Numerator * x.Denominator;
div.Denominator = this.Denominator * (-x.Numerator);
div = div.Negate();
}
else if (x.Numerator > 0)
{
div.Numerator = this.Numerator * x.Denominator;
div.Denominator = this.Denominator * x.Numerator;
}
else
{
throw new DivideByZeroException();
}
div.Even();
return(div);
}