From: Andreas Jaeger <aj-Et1tbQHTxzrQT0dZR+AlfA@public.gmane.org>
To: Michael Kerrisk <mtk.manpages-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
Cc: Fabian Kreutz
<kreutz-WMH0Fc3rTAP1qYPpFx2fzhvVK+yQ3ZXh@public.gmane.org>,
Andries Brouwer <Andries.Brouwer-rh8NL+sEX9E@public.gmane.org>,
linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: math_error.7 draft 4, for review
Date: Fri, 25 Jul 2008 12:36:28 +0200 [thread overview]
Message-ID: <m3y73q9ro3.fsf@gromit.moeb> (raw)
In-Reply-To: <cfd18e0f0807250316k4bb6cbd1t8c6f20317f669c4a-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> (Michael Kerrisk's message of "Fri, 25 Jul 2008 12:16:24 +0200")
[-- Attachment #1: Type: text/plain, Size: 962 bytes --]
"Michael Kerrisk" <mtk.manpages-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org> writes:
> Well, for example, according to my tests, cos(3) does not set errno.
> Is that what you would have expected?
No, I wouldn't. And double checking, it's the other way round :-(. We
test the exception handling, not the error handling, so tests like
(libc/math/libm-test.inc) these
TEST_f_f (cos, plus_infty, nan_value, INVALID_EXCEPTION);
TEST_f_f (cos, minus_infty, nan_value, INVALID_EXCEPTION);
test that cos with input plus/minus infinity returns a NaN and raises
and invalid exception which is tested with fetestexcept. And if you
have different results, please tell me,
Andreas
--
Andreas Jaeger, Director Platform/openSUSE, aj-l3A5Bk7waGM@public.gmane.org
SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)
Maxfeldstr. 5, 90409 Nürnberg, Germany
GPG fingerprint = 93A3 365E CE47 B889 DF7F FED1 389A 563C C272 A126
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next prev parent reply other threads:[~2008-07-25 10:36 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-21 10:23 math_error.7 draft 4, for review Michael Kerrisk
[not found] ` <cfd18e0f0807210323m4912a31pa5359c2b7409167c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-07-21 10:25 ` Michael Kerrisk
[not found] ` <cfd18e0f0807210325m7606441as19811b6802661a8c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-07-25 9:30 ` Andreas Jaeger
[not found] ` <m3zlo6b9b8.fsf-Qr39nsLl7G5WFLYQ/5USTw@public.gmane.org>
2008-07-25 9:36 ` Michael Kerrisk
[not found] ` <cfd18e0f0807250236y476023fan90e97822e772859e-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-07-25 10:02 ` Andreas Jaeger
[not found] ` <m37ibab7sr.fsf-Qr39nsLl7G5WFLYQ/5USTw@public.gmane.org>
2008-07-25 10:16 ` Michael Kerrisk
[not found] ` <cfd18e0f0807250316k4bb6cbd1t8c6f20317f669c4a-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-07-25 10:36 ` Andreas Jaeger [this message]
[not found] ` <m3y73q9ro3.fsf-Qr39nsLl7G5WFLYQ/5USTw@public.gmane.org>
2008-07-25 10:49 ` Michael Kerrisk
[not found] ` <cfd18e0f0807250349jaa38928kaac968720c377322-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-07-25 12:50 ` Andreas Jaeger
[not found] ` <m3myk6cel3.fsf-Qr39nsLl7G5WFLYQ/5USTw@public.gmane.org>
2008-07-25 12:56 ` Michael Kerrisk
[not found] ` <cfd18e0f0807250556p40ae6cd3l8b6617fadabd6411-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-07-25 13:11 ` Andreas Jaeger
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