Re: BETA2 HOLD: was Re: NUMERIC's transcendental functions

Bruce Momjian wrote:
> 
> Seems we need to resolve this before beta2.

I'd go with making the NUMERIC default precision 16 for v7.3, so
we are backwards compatible on this release (except that it is
now a predictable 16 digit precision instead of an hardware
implementation dependent one).

For v7.4 we can discuss that a while.


Jan

> 
> ---------------------------------------------------------------------------
> 
> Tom Lane wrote:
> > Jan Wieck <JanWieck@Yahoo.com> writes:
> > > One problem is, that division already has an inherently inexact
> > > result. Do you intend to rip that out too while at it? (Just
> > > kidding)
> >
> > No, but that too is now delivering less precision than it used to:
> >
> > regression=# select 10.1/7.0;
> >    ?column?
> > --------------
> >  1.4428571429
> > (1 row)
> >
> > versus 1.44285714285714 in prior releases.
> >
> > > Proposal #2.667 would be to have a GUC variable for the default
> > > precision.
> >
> > Perhaps, but I'd be satisfied if the default precision were at least
> > 16 digits.  Again, the point is not to have any apparent regression
> > from 7.2.
> >
> >                       regards, tom lane
> >
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> 
> --
>   Bruce Momjian                        |  http://candle.pha.pa.us
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