On 5 Jan 2011, at 12:03am, Igor Tandetnik wrote: > On 1/4/2011 6:56 PM, Jean-Christophe Deschamps wrote: >> .... and so many settings in IEE hardware/software. I really look >> forward Intel decimal FP being mainstream, specially in business-likely >> code like a DB engine. But until such baby finds its way in hardware, >> I guess we're stuck with this pesky binary thing and slow / imprecise >> conversions back and forth and 1/3 + 1/3 + 1/3 != 1. > > I can't help but wonder how decimal math is supposed to make 1/3 + 1/3 > + 1/3 better.
I bet I'm not the only one here old enough to remember FORTRAN and ALGOL implementations with a 'RATIONAL' math type. It stored a numerator and denominator for each number, and had absolutely no trouble with evaluating 1/4 + 1/6 + 1/12 + 1/3 precisely and accurately. Simon. _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
