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Re: Ideas for rewrite of libm-test

To: Geoff Keating <geoffk at ozemail dot com dot au>
Subject: Re: Ideas for rewrite of libm-test
From: Ulrich Drepper <drepper at cygnus dot com>
Date: 21 Sep 1999 14:41:51 -0700
Cc: aj at suse dot de, libc-hacker at sourceware dot cygnus dot com
References: <hohfko9tcq.fsf@allen.suse.de> <199909212102.HAA00627@gluttony.geoffk.wattle.id.au>
Reply-To: drepper at cygnus dot com (Ulrich Drepper)

Geoff Keating <geoffk@ozemail.com.au> writes:

> Wouldn't it be better to decide what error tolerances we want to allow
> for the math functions _first_, then see what the math functions
> actually produce?

Well, this is easy to say: we want to allow zero errors.  The question
is that we cannot do this right now and therefore have to live with
greater errors.

> It just seems that basing the test cases on what the math functions
> produce (as is done now in practise, and will be done formally with
> your scheme) is doing it the wrong way around.

I agree.  But this is only to describe the status quo, catch build
problems, and (most importantly for me) to be able to document the
errors.  This is one of the requirement of the a standrd compliant
system.

-- 
---------------.      drepper at gnu.org  ,-.   1325 Chesapeake Terrace
Ulrich Drepper  \    ,-------------------'   \  Sunnyvale, CA 94089 USA
Cygnus Solutions `--' drepper at cygnus.com   `------------------------

References:
- Ideas for rewrite of libm-test
  - From: Andreas Jaeger
- Re: Ideas for rewrite of libm-test
  - From: Geoff Keating

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