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Re: integer overflow handling for most-negative-fixnum
From: |
Eli Zaretskii |
Subject: |
Re: integer overflow handling for most-negative-fixnum |
Date: |
Sat, 21 Jul 2018 21:23:22 +0300 |
> Cc: address@hidden
> From: Paul Eggert <address@hidden>
> Date: Sat, 21 Jul 2018 11:17:24 -0700
>
> Eli Zaretskii wrote:
> > I'd like it to read #x3fffffffffffffff as -1.
>
> That won't work once we have bignums. Even now, it'd be problematic behavior
> on
> 32-bit machines. We should insulate Lisp programmers from fixnum width as
> much
> as possible.
Currently, this doesn't work on any machine. Is that reasonable?
- Re: integer overflow handling for most-negative-fixnum, (continued)
- Re: integer overflow handling for most-negative-fixnum, Paul Eggert, 2018/07/21
- Re: integer overflow handling for most-negative-fixnum, Stefan Monnier, 2018/07/21
- Re: integer overflow handling for most-negative-fixnum, Paul Eggert, 2018/07/23
- Re: integer overflow handling for most-negative-fixnum, Stefan Monnier, 2018/07/23
- Re: integer overflow handling for most-negative-fixnum, Paul Eggert, 2018/07/23
- Re: integer overflow handling for most-negative-fixnum, Helmut Eller, 2018/07/21
- Re: integer overflow handling for most-negative-fixnum, Helmut Eller, 2018/07/21
- Re: integer overflow handling for most-negative-fixnum, Paul Eggert, 2018/07/23
- Re: integer overflow handling for most-negative-fixnum, Eli Zaretskii, 2018/07/21
- Re: integer overflow handling for most-negative-fixnum, Paul Eggert, 2018/07/21
- Re: integer overflow handling for most-negative-fixnum,
Eli Zaretskii <=
- Re: integer overflow handling for most-negative-fixnum, Stefan Monnier, 2018/07/21
- Re: integer overflow handling for most-negative-fixnum, Eli Zaretskii, 2018/07/21
- Re: integer overflow handling for most-negative-fixnum, Stefan Monnier, 2018/07/21
- Re: integer overflow handling for most-negative-fixnum, Helmut Eller, 2018/07/21
- Re: integer overflow handling for most-negative-fixnum, Paul Eggert, 2018/07/21
- Re: integer overflow handling for most-negative-fixnum, Andy Moreton, 2018/07/23
- Re: integer overflow handling for most-negative-fixnum, Paul Eggert, 2018/07/23
- Re: integer overflow handling for most-negative-fixnum, Andy Moreton, 2018/07/23
- Re: integer overflow handling for most-negative-fixnum, Andreas Schwab, 2018/07/24
- Re: integer overflow handling for most-negative-fixnum, Andy Moreton, 2018/07/24