Whew, fantastic! Thank you.
(Should I tell the Fundamentals I students about R6RS?)
On Tue, Sep 20, 2016 at 11:32 AM, Asumu Takikawa <as...@simplyrobot.org>
> On 2016-09-20 11:27:07 -0400, Ben Greenman wrote:
> > Oh! Just found that common lisp used these for types:
> > - s = short
> > - f = single
> > - d = double
> > - l = long
> I think it's more specifically an R6RS thing. Quoth the standard:
> In systems with inexact number objects of varying precisions, it may be
> to specify the precision of a constant. For this purpose,
> representations of
> number objects may be written with an exponent marker that indicates the
> desired precision of the inexact representation. The letters s, f, d,
> and l
> specify the use of short, single, double, and long precision,
> (When fewer than four internal inexact representations exist, the four
> specifications are mapped onto those available. For example, an
> with two internal representations may map short and single together and
> and double together.) In addition, the exponent marker e specifies the
> precision for the implementation. The default precision has at least as
> precision as double, but implementations may wish to allow this default
> to be
> set by the user.
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