On Mon, Aug 20, 2007 at 05:26:22PM -0400, Andy Dougherty wrote: > Nor can I. Thus you either use lots of platform-specific code (determined > by Configure.pl) or turn off gcc's -Wfloat-equal warning flag and just > write f == 0.0.
Or, maybe f >= 0.0 && f <= 0.0 which I believe is identical, even in the face of NaNs. Nicholas Clark