Re: floating point representationu

>
> Tom Lane wrote:
> >
> > Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> > > Actually, you're going to have to recode the float*in() functions, using
> > > scanf, and scanf's formats are not always equivalent to printf's.
> >
> > Further thought: one answer to this is to institute four SET variables,
> > two for output and two for input; perhaps FLOAT8_FORMAT, FLOAT8_IN_FORMAT,
> > and similarly for FLOAT4. The input formats would normally just be
> > "%lg" and "%g" but could be changed for special cases (like reading
> > table dumps prepared with %a output format).
> >
>
> >From the first I don't want to change the current default
> output format
> "%." #FLT_DIG "g" (REAL)
> "%." #DBL_DIG "g" (DOUBLE PRECISION)
> for 7.1 because their changes would cause a regress
> test failure.

But we run regress with the proper setting, right? How does giving
people the ability to change the defaults affect the regression tests?

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