private static RealNum simplest_rational2(RealNum x, RealNum y)
{
RealNum fx = x.toInt(FLOOR);
RealNum fy = y.toInt(FLOOR);
if (!x.grt(fx))
{
return(fx);
}
else if (fx.Equals(fy))
{
RealNum n = (RealNum)IntNum.one().div(y.sub(fy));
RealNum d = (RealNum)IntNum.one().div(x.sub(fx));
return((RealNum)fx.add(IntNum.one().div(simplest_rational2(n, d)),
1));
}
else
{
return((RealNum)fx.add(IntNum.one(), 1));
}
}
/** Return the multiplicative identity. */
public virtual Numeric mul_ident()
{
return(IntNum.one());
}
/** Return the multiplicative inverse. */
public virtual Numeric div_inv()
{
return(IntNum.one().div(this));
}