ah, thanks a lot. jimmy
On Thu, Mar 21, 2013 at 4:11 PM, Grahame Fuller <[email protected] > wrote: > Cosine is always between -1 and 1 inclusive, so arccos (which is its > inverse) is undefined outside that range. Just clamp your inputs, and you > should be fine. > > gray > > From: [email protected] [mailto: > [email protected]] On Behalf Of jimmy gass > Sent: Thursday, March 21, 2013 03:51 PM > To: [email protected] > Subject: arcCos nan > > I'm having issues with arccos returning nan for some values. > > Is there a way to filter out the nan and just return 0? It can break > renders and simulations. > > What would cause arccos to return nan, is it like divide by zero? Maybe I > can do a check of the values before I'm operating on them. > > Thanks > > jimmy >
