That's what I needed. Thanks. On Sun, Feb 20, 2011 at 9:53 PM, Rico Wind <[email protected]> wrote:
> This was recently fixed in V8, see: > http://code.google.com/p/chromium/issues/detail?id=72555 > > Cheers, > Rico > On Feb 21, 2011 6:47 AM, "Mark S. Miller" <[email protected]> wrote: > > On Sun, Feb 20, 2011 at 9:26 PM, John Cowan <[email protected]> > wrote: > > > >> Mark S. Miller scripsit: > >> > >> > This is the only constant whose actual value differs across browsers: > >> > > >> > 0.43429448190325176 v8 version 2.3.9 [console: dumb] > >> > 0.4342944819032518 Chrome 11.0.672.2 dev > >> > >> [etc.] > >> > >> The two values are really the same value when represented as an IEEE > >> double. The difference is in the printing routine, not the internal > >> representation. Specifically, the "...2518" browsers are rounding, the > >> "...25176" browsers are not. > >> > > > > But they convert to back to two different floating point numbers, at > least > > on all the browsers I quickly tried. > > > >> 0.43429448190325176 === 0.4342944819032518 > > false > >> 0.43429448190325176 < 0.4342944819032518 > > true > >> 0.43429448190325176 > 0.4342944819032518 > > false > > > > A little more testing reveals that the two numbers seem to be > consecutive, > > in the sense that there are no intermediate representable numbers. > > > > > >> > >> "Floating-point numbers are a little like sandpiles; every time you pick > >> one up, you get a little less sand and a little more dirt." (But this > >> is not true of integers up to 2^53, slightly less than 10^16. > >> > >> -- > >> John Cowan <[email protected]> > >> Yakka foob mog. Grug pubbawup zink wattoom gazork. Chumble spuzz. > >> --Calvin, giving Newton's First Law "in his own words" > >> > > > > > > > > -- > > Cheers, > > --MarkM > -- Cheers, --MarkM
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