X-Recipient:	archive-cygwin AT delorie DOT com
DomainKey-Signature:	a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:date:from:reply-to:message-id:to:subject
	:in-reply-to:references:mime-version:content-type
	:content-transfer-encoding; q=dns; s=default; b=Kt0iDEKsKTIJ7dzI
	gQbbQVgdvQ8Jm7ZCb7ZfwwcSro7WiI2Oz8FvP/Cha2ikoxTRVcC/JC7K/3TL2pVV
	htuB5kUIMBetWNpr4OP5J9/iHaQgyKDX49TBKtQxCViqKKQSJgBAwtK0r85fNthn
	ipMG8RQG/wp01DsK1ImGUnrc5LQ=
DKIM-Signature:	v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:date:from:reply-to:message-id:to:subject
	:in-reply-to:references:mime-version:content-type
	:content-transfer-encoding; s=default; bh=B5TwkiB1yHCEnHY35ZvNgj
	DyY08=; b=bXs9dmq5nE7Bsh9R0Hon7KoKc919F3Q2WUdCZbzwrBBmAZcE8kj01C
	/xjrG7ya5g12P2NbC0PL9ulGsmxFhbynV2PP+AHw/KgrtRPCiIv6eQk6RWWcsnT1
	qq/MbTNajXqPScuCOuPkv6BMEanFdeVJk/axCM2XLPzD1kBaqoDX4=
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com
X-Spam-SWARE-Status:	No, score=-0.5 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,KAM_THEBAT,KHOP_THREADED,SPF_SOFTFAIL autolearn=no version=3.3.1
Date:	Fri, 12 Apr 2013 06:31:32 +0400
From:	Andrey Repin <anrdaemon AT freemail DOT ru>
Reply-To:	Andrey Repin <cygwin AT cygwin DOT com>
Message-ID:	<583204587.20130412063132@mtu-net.ru>
To:	Steve Kargl <sgk AT troutmask DOT apl DOT washington DOT edu>, cygwin AT cygwin DOT com
Subject:	Re: Cygwin with clock_gettime and CLOCK_MONOTONIC - gives always 0
In-Reply-To:	<20130411230041.GA30988@troutmask.apl.washington.edu>
References:	<5166A0B3 DOT 70801 AT net-b DOT de> <5166BCA1 DOT 5040204 AT net-b DOT de> <20130411134835 DOT GD18333 AT calimero DOT vinschen DOT de> <51670B6B DOT 3000503 AT net-b DOT de> <20130411195200 DOT GJ18333 AT calimero DOT vinschen DOT de> <51671EAA DOT 8030901 AT net-b DOT de> <20130411213934 DOT GA30487 AT troutmask DOT apl DOT washington DOT edu> <Prayer DOT 1 DOT 3 DOT 5 DOT 1304112323420 DOT 8772 AT hermes-2 DOT csi DOT cam DOT ac DOT uk> <20130411230041 DOT GA30988 AT troutmask DOT apl DOT washington DOT edu>
MIME-Version:	1.0
X-IsSubscribed:	yes

Greetings, Steve Kargl!

>> >> * gfortran's example for random_see should be change to not use
>> >> system_clock for the random seed.
>> >
>> >I disagree.  The example is just that a short example
>> >that demonstrates how to use random_seed.  Anyone using
>> >that example in his/her code without testing the results
>> >in his/her potentially broken environment should not be
>> >programming.
>> 
>> That is unfair.  Few scientists will know that system clocks are
>> an iffy aspect of a programming language, especially as there are
>> no fundamental reasons that should be the case.

> This has nothing to do with the iffy-ness of system clocks.  My
> disagreemnet is predicated on the stupidity of using a 10 line
> example subroutine without actually inspecting what it does on 
> whatever OS that one chooses to use.  Perhaps, my expectations
> for the IQ of scientists is too high.  Are you suggesting that
> every code snippet in the manual should contain a cautionary
> comment of the form:

No, I expect a code snippet in manual to produce sensible, reliable and
predictable results across the board, especially for such generic cases.

> ! 
> ! This is only an example.  Use with extreme caution.
> !



--
WBR,
Andrey Repin (anrdaemon AT freemail DOT ru) 12.04.2013, <06:29>

Sorry for my terrible english...


--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple

- Raw text -