[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Lisp reader syntax and bootstrap

From: Po Lu
Subject: Re: Lisp reader syntax and bootstrap
Date: Mon, 17 Jul 2023 10:32:53 +0800
User-agent: Gnus/5.13 (Gnus v5.13)

Paul Eggert <eggert@cs.ucla.edu> writes:

> Yes, though there are similar problems even for finite numbers, since
> they also behave differently on the VAX, sometimes
> significantly. E.g., VAX subtraction can underflow to zero via
> catastrophic cancellation, whereas IEEE subtraction cannot.

Subnormal numbers (or rather, the lack thereof) shouldn't pose a
portability problem for practical Lisp code, as they don't affect reader
syntax or cause errors to be signaled.

reply via email to

[Prev in Thread] Current Thread [Next in Thread]