This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: Math functions and rounding mode

From: Joseph Myers <joseph at codesourcery dot com>
To: Wilco Dijkstra <Wilco dot Dijkstra at arm dot com>
Cc: "patrick dot mcgehearty at oracle dot com" <patrick dot mcgehearty at oracle dot com>, "libc-alpha at sourceware dot org" <libc-alpha at sourceware dot org>, nd <nd at arm dot com>
Date: Mon, 1 Jan 2018 17:20:34 +0000
Subject: Re: Math functions and rounding mode
Authentication-results: sourceware.org; auth=none
References: <DB6PR0801MB2053D73D0DCF65F8E6CC4AD483180@DB6PR0801MB2053.eurprd08.prod.outlook.com>,<alpine.DEB.2.20.1801011445380.394@digraph.polyomino.org.uk> <DB6PR0801MB2053BBCAD915EBAF5B8D9C3783180@DB6PR0801MB2053.eurprd08.prod.outlook.com>

On Mon, 1 Jan 2018, Wilco Dijkstra wrote:

> That's great, so the principle already exists. So my suggestion would be 
> to rip out all the SET_RESTORE_ROUND from exp and see what ULP errors we 
> get for cexp and others. If unacceptable in non-nearest rounding modes 
> we should just add a SET_RESTORE_ROUND to those functions and be done 
> with it for this release.

I think the release freeze means this patch is now something for 2.28, not 
2.27 (certainly I intend to do ulps regenerations for my architectures and 
start release testing very soon).

-- 
Joseph S. Myers
joseph@codesourcery.com

Follow-Ups:
- Re: Math functions and rounding mode
  - From: Wilco Dijkstra

References:
- Math functions and rounding mode
  - From: Wilco Dijkstra
- Re: Math functions and rounding mode
  - From: Joseph Myers
- Re: Math functions and rounding mode
  - From: Wilco Dijkstra

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]