Hi Ray,
This is the intended behaviour. Just a convention.
Rene Brun
On Mon, 19 Aug 2002, Ray Fliller III wrote:
>
>
> Rooters,
>
> I noticed that if I do
>
> foo=new TF1("foo","sqrt(x)");
> foo->SetRange(-10,10);
> foo->Draw("C")
>
> what I actually get is sqrt(abs(x)) drawn. Naively,
> I'd expect to get zeros on the negative side of zero.
> Is there a reason that this convention was chosen other
> than a simple way to deal with errors from the sqrt function?
>
> --
>
> RAINMAN
> "How much does a piece of gum cost Ray?"
> "About $100."
> "How much does a new car cost Ray?"
> "`Bout $100."
> "There goes working for NASA!"
>
> ==================================================================
> Ray Fliller: rfliller@bnl.gov Office Phone: (631)-344-6124
> C-A Accelerator Physics Dept. Fax: (631)-344-5954
> Building 911B
> Brookhaven National Lab
> Upton, NY 11973 Office: Room 211
>
> http://www.agsrhichome.bnl.gov/People/rfliller/
> ==================================================================
>
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