On Sun, 2006-03-05 at 12:44 +0100, Roberto Bagnara wrote: > Tim Prince wrote: > My > > past reading of various relevant documents convinced me that digits > > beyond the 17th in formatting of doubles are not required by any > > standard to be consistent between implementations. They have no useful > > function, as 17 digits are sufficient to determine uniquely the > > corresponding binary value in IEEE 754 format. > > Thank you Tim. We were unaware of this giant bug in the C standard. > All the best,
There is no bug in the C Standard. The C standard makes it clear the accuracy of floating point operations is implementation defined ,and the implementor may even say the accuracy is undefined. This is not a bug, it is the proper thing for a language standard. -- John Skaller <skaller at users dot sourceforge dot net> Async PL, Realtime software consultants Checkout Felix: http://felix.sourceforge.net -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/