AriCalculator is a home made pocket calculator.

[Paul Dale]

I wouldn't bother with the forensic test unless you are aiming for correct rounding. It isn't that interesting.

Try things like:

• Trig functions as their argument approaches multiples of pi/2.
• That sin(x) = sin(-x) for all x.
• Trig functions for huge arguments (to validate your modulo reduction).
• Log as its argument approaches zero and one.
• Square root as its argument approaches zero and one.
  

I'm sure a lot of other cases will come to mind once I post


Pauli