series expansion.

26 Mar 2004

      Hello everybody,

Question: what is the output of

	ex test=1+power(x,4)*sqrt(1+x*x);
	cout << test.series(x==0,2) << endl;

Answer: Order(1)

Question: Why?
Answer: Because in the x-involving product order=2, degsum=4, ldegree of
the sqrt is 0, the sqrt is expanded up to order -2 and
Order(x^2)*Order(x^-2)=Order(1).

Question: What is to be done now?
Answer: Have a look at the attached patch.

Bye,
Chris Dams