public Fraction( int num, int den )
{
CheckDenominatorZero( den );
CheckMinValue( num );
CheckMinValue( den );
Fraction f = new Fraction( (decimal)num, (decimal)den );
Initialize( f.num, f.den );
}
public Fraction( Fraction f )
{
Initialize( f.num, f.den );
}
// throws FormatException if wrong fraction format
// throws OverflowException if reduced fraction does not fit in fraction range
// throws ArithmeticException if denominator is zero
public static Fraction Parse( string fraction )
{
if ( fraction == null )
throw new FormatException();
string[] split = fraction.Split( '/' );
int len = split.Length;
if ( len == 2 )
{
int s0 = int.Parse( split[0] );
int s1 = int.Parse( split[1] );
return new Fraction( s0, s1 );
}
else if ( len == 4 )
{
int s0 = int.Parse( split[0] );
int s1 = int.Parse( split[1] );
Fraction f1 = new Fraction( s0, s1 );
int s2 = int.Parse( split[2] );
int s3 = int.Parse( split[3] );
Fraction f2 = new Fraction( s2, s3 );
return f1 / f2;
}
else
throw new FormatException();
}
