Loss of precision errors in FP conversions

[Brad Roberts]

On Tue, 19 Apr 2011, Walter Bright wrote:

> On 4/19/2011 6:46 PM, bearophile wrote:
> > Walter:
> > 
> > > Hence my reluctance to add in a lot of these suggestions.
> > 
> > In an answer I've suggested the alternative solution of a
> > -warn_fp_precision_loss compiler switch, that produces warnings only when
> > you
> > use it. In theory this avoids most of the Nagging Nellie problem, because
> > you
> > use this switch only in special situations. But I am aware you generally
> > don't like warnings.
> 
> Yes, I've argued strongly against warnings.

The stronger argument, that I agree with, is not having flag based 
sometimes warnings.  The more flags you have, the more complex the matrix 
of landmines there are.  I hate micro-managment, in all it's forms.