A RetroSearch Logo

Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Search Query:

Showing content from https://mail.python.org/pipermail/python-dev/2009-December/094396.html below:

[Python-Dev] Drop support for ones' complement machines?

[Python-Dev] Drop support for ones' complement machines?Mark Dickinson dickinsm at gmail.com
Tue Dec 1 17:24:08 CET 2009
On Tue, Dec 1, 2009 at 4:17 PM, James Y Knight <foom at fuhm.net> wrote:
> I think all that needs to be defined is that conversion from unsigned to signed, and (negative) signed to unsigned integers have 2's complement wrapping semantics, and does not affect the bit pattern in memory.

Yes, I think everything does pretty much follow from this, since for ones'
complement or sign-and-magnitude these wrapping semantics are impossible,
because the signed type doesn't have enough distinct possible values.

> Stating it that way makes it clearer that all you're assuming is the operation of the cast operators, and it seems to me that it implies the other requirements.

Agreed.

Thanks,

Mark
More information about the Python-Dev mailing list

RetroSearch is an open source project built by @garambo | Open a GitHub Issue

Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo

HTML: 3.2 | Encoding: UTF-8 | Version: 0.7.4