Paulo J. S. Silva wrote:
Once again, the information that singed zero is part of IEEE standard is in the paper I cited in my last message.
It is very important to be able to compute the sign of an overflowed quantity in expressions like 1/x when x goes to zero.
This is all very interesting ( and confusing (to me, maybe others) at the same time ...) ...
Question 0: Are you sure this is not a bug ?
Question 1: Was this way of round already in Numeric and /or in numarray ?
Question 2: Does this need to be better documented (complete and corrected(!) docstrings - maybe a dedicated wiki page ) !? This is related to "How does Matlab or IDL or others do rounding ?" - This would at least determine how many people would be surprised by this. (I would say that *if* Matlab rounds the same way, we might need less documentation ...)
Thanks, Sebastian Haase