Re: ver 1.9.4 use more decimal digits

[bill lam <cbill lam gmail com>]

On Sun, 01 Mar 2009, Morten Welinder wrote:
> Correct.  We need 17 digits for "double":

iirc ieee double (8 byte) use 53 bit (including the implied bit) for
mantissa so that it has

log10(2^53)=15.95459 significant digits

16 digit is already enough. the 17 digits used by new gnumeric does
not add more accuracy or precision assuming that ieee standard has
been taken for granted.

-- 
regards,
====================================================
GPG key 1024D/4434BAB3 2008-08-24
gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3
唐詩040 李白  子夜四時歌  夏歌
    鏡湖三百里  菡萏發荷花  五月西施采  人看隘若耶  回舟不待月  歸去越王家