1996-05-23 - Re: The Crisis with Remailers

Header Data

From: “Perry E. Metzger” <perry@piermont.com>
To: R.Hirschfeld@cwi.nl
Message Hash: 4d16a762b0c7fd8c309e293a101009b14cab33f58da4fb3975a707da8ad9033e
Message ID: <199605222104.RAA23933@jekyll.piermont.com>
Reply To: <9605222009.AA04459=ray@groen.cwi.nl>
UTC Datetime: 1996-05-23 02:41:12 UTC
Raw Date: Thu, 23 May 1996 10:41:12 +0800

Raw message

From: "Perry E. Metzger" <perry@piermont.com>
Date: Thu, 23 May 1996 10:41:12 +0800
To: R.Hirschfeld@cwi.nl
Subject: Re: The Crisis with Remailers
In-Reply-To: <9605222009.AA04459=ray@groen.cwi.nl>
Message-ID: <199605222104.RAA23933@jekyll.piermont.com>
MIME-Version: 1.0
Content-Type: text/plain

R.Hirschfeld@cwi.nl writes:
> > Date: Wed, 22 May 1996 15:04:04 -0400
> > From: "Perry E. Metzger" <perry@piermont.com>
> > 
> > Floating point systems are built to do approximate math on a very wide
> > range of number sizes. Accounting systems require exact math -- down
> > to the cent. Floats aren't suitable.
> I completely agree.  But are the usual fixed-point representations
> adequate for exchange rates, where it's not a matter of "down to the
> cent" but of ratios of cents and centimes?

It depends on the number of significant figures you need to
represent. Forex usually involves numbers with five significant
figures, which can be represented fairly conveniently in fixed point.