Re: floating point representation

I wrote:
>
> > -----Original Message-----
> > From: Tom Lane [mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us]
> >
> > Peter Eisentraut <peter_e(at)gmx(dot)net> writes:

[snip]

>
> > Peter's idea of a SET variable to control float display format might
> > not be a bad idea, but what if anything should pg_dump do with it?
> > Maybe just crank the precision up a couple digits from the current
> > defaults?
> >
>
> Currently the precision of float display format is FLT_DIG(DBL_DIG).
> It's not sufficent to distinguish float values. As Peter already suggested,
> the quickest solution would be to change XXX_DIG constants to variables
> and provide a routine to SET the variables. Strictly speaking the precision
> needed to distigush float values seems OS-dependent. It seems preferable
> to have a symbol to specify the precision.
>

The 7.1-release seems near.
May I provide the followings ?
SET FLOAT4_PRECISION TO ..
SET FLOAT8_PRECISION TO ..

Or must we postpone to fix it ?

Regards,
Hiroshi Inoue