public IValue precision(INumber x) {
if (x.getType().isIntegerType()) {
IInteger k = (IInteger) x;
return values.integer(k.toReal().precision());
}
if (x.getType().isRationalType()) {
IRational k = (IRational) x;
return values.integer(k.toReal().precision());
}
return values.integer(((IReal) x).precision());
}
public IValue scale(INumber x) {
try {
if (x.getType().isIntegerType()) {
IInteger k = (IInteger) x;
return values.integer(k.toReal().scale());
}
if (x.getType().isRationalType()) {
IRational k = (IRational) x;
return values.integer(k.toReal().scale());
}
return values.integer(((IReal) x).scale());
} catch (ArithmeticException ae) {
throw RuntimeExceptionFactory.arithmeticException(ae.getMessage(), null, null);
}
}
public IValue toReal(IRational n)
// @doc{toReal -- convert a rational value to a real value.}
{
return n.toReal();
}