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Date: Fri, 12 Apr 2013 06:31:32 +0400
From: Andrey Repin <anrdaemon@freemail.ru>
Reply-To: Andrey Repin <cygwin@cygwin.com>
Message-ID: <583204587.20130412063132@mtu-net.ru>
To: Steve Kargl <sgk@troutmask.apl.washington.edu>, cygwin@cygwin.com
Subject: Re: Cygwin with clock_gettime and CLOCK_MONOTONIC - gives always 0
In-Reply-To: <20130411230041.GA30988@troutmask.apl.washington.edu>
References: <5166A0B3.70801@net-b.de> <5166BCA1.5040204@net-b.de> <20130411134835.GD18333@calimero.vinschen.de> <51670B6B.3000503@net-b.de> <20130411195200.GJ18333@calimero.vinschen.de> <51671EAA.8030901@net-b.de> <20130411213934.GA30487@troutmask.apl.washington.edu> <Prayer.1.3.5.1304112323420.8772@hermes-2.csi.cam.ac.uk> <20130411230041.GA30988@troutmask.apl.washington.edu>
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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@freemail.ru) 12.04.2013, <06:29>

Sorry for my terrible english...


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