On Saturday 1 September 2007 12:53:36 pm Mogens Kjaer wrote: > Chris Jones wrote: > ... > > > I'm well aware of these series, and already use them when appropriate. In > > this case, I need tan(x) with fixed errors, between 0 and 2pi, the whole > > range. > > Can you use a lookup table? yes, anthing is possible. However, before I go to the effort on implementing something myself, I was hoping to find some OSS solution. It struck me as such a common issue there must be some solution out there already... Chris > > Mogens > > -- > Mogens Kjaer, Carlsberg A/S, Computer Department > Gamle Carlsberg Vej 10, DK-2500 Valby, Denmark > Phone: +45 33 27 53 25, Fax: +45 33 27 47 08 > Email: mk@xxxxxx Homepage: http://www.crc.dk