issue with x=0?

Hello, looking at the code I see the following:

double getValue(double x) { if (x == 0.0) return 0.0; ....

Now it seems that if the desired X is zero then the returned interpolated value will also be zero. That is not necessarily true, it depends on the input entries. If the x-y curve does not go through zero then that answer will be incorrect. Can someone verify that? I used the calc applet on this page and with my simple example I see that a value of 0.0 always returns 0.0 even when it is clearly wrong.

Please let me know. Thanks, Andrea.

I agree. This first line isn't necessary. I've taken it out. The calc aplet will recompile in the next 12hrs.

Thanks for picking this up.