public BigIntFraction Add(BigIntFraction number)
{
BigInteger newNumerator;
BigInteger newDenominator;
//gdy różny mianownik
if (!Equals(denominator, number.denominator))
{
newDenominator = Nww(denominator, number.denominator);
//wzór na sumę liczników zamienionych na wspólny mianownik
BigInteger newNumerator1 = BigInteger.Multiply(numerator, BigInteger.Divide(newDenominator, denominator));
BigInteger newNumerator2 = BigInteger.Multiply(number.numerator, BigInteger.Divide(newDenominator, number.denominator));
newNumerator = BigInteger.Add(newNumerator1, newNumerator2);
}
else
{
//gdy równy mianownik
newNumerator = BigInteger.Add(numerator, number.numerator);
newDenominator = denominator;
}
BigIntFraction newFraction = new BigIntFraction(newNumerator, newDenominator);
return(newFraction);
}
public static int Compare(BigIntFraction f1, BigIntFraction f2)
{
BigInteger nwd = Nwd(f1.denominator, f2.denominator);
BigInteger newNumerator1 = BigInteger.Multiply(f1.numerator, BigInteger.Divide(nwd, f1.denominator));
BigInteger newNumerator2 = BigInteger.Multiply(f2.numerator, BigInteger.Divide(nwd, f2.denominator));
return(newNumerator1.CompareTo(newNumerator2));
}
public BigIntFraction Divide(BigIntFraction number)
{
BigInteger newNumerator, newDenominator;
newNumerator = BigInteger.Multiply(numerator, number.denominator);
newDenominator = BigInteger.Multiply(denominator, number.numerator);
BigIntFraction newFraction = new BigIntFraction(newNumerator, newDenominator);
return(newFraction);
}
public BigIntFraction Subtract(BigIntFraction number)
{
BigInteger newNumerator;
BigInteger newDenominator;
// gdy różny mianownik
if (!Equals(denominator, number.denominator))
{
newDenominator = Nww(this.denominator, number.denominator);
// poniżej wzór na różnicę liczników zamienionych na wspólny mianownik
BigInteger newNumerator1 = BigInteger.Multiply(numerator, BigInteger.Divide(newDenominator, denominator));
BigInteger newNumerator2 = BigInteger.Multiply(number.numerator, BigInteger.Divide(newDenominator, number.denominator));
newNumerator = BigInteger.Subtract(newNumerator1, newNumerator2);
}
else
{
// gdy równy mianownik
newNumerator = BigInteger.Subtract(numerator, number.numerator);
newDenominator = this.denominator;
}
return(new BigIntFraction(newNumerator, newDenominator));
}
public BigIntFraction(BigIntFraction prototype)
{
numerator = prototype.numerator;
denominator = prototype.denominator;
Simplify();
}