bug#74760: 29.4; Calc : calcFunc-rate does not produce negative results

[Michael Heerdegen]

Ting Boon Ghee <tingbg@gmail.com> writes:

> I am not sure if this is a bug or due to some restrictions or
> constrains elsewhere that the interval cannot be negative in the
> original function definition of math-compute-rate.

It could be that the original authors just did not have this special
case in mind when writing the code, and there is no such reason.

Michael.