X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient: geda-user AT delorie DOT com
Message-ID: <53247F8A.8040305@systella.fr>
Date: Sat, 15 Mar 2014 17:27:54 +0100
From: =?ISO-8859-1?Q?BERTRAND_Jo=EBl?= <joel DOT bertrand AT systella DOT fr>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:26.0) Gecko/20100101 Firefox/26.0 SeaMonkey/2.23
MIME-Version: 1.0
To: geda-user AT delorie DOT com
Subject: Re: [EXTERNAL] [geda-user] gschem and ngspice simulation
References: <53246DFD DOT 7030002 AT systella DOT fr> <20140315153508 DOT GT77723 AT goldstein DOT sandia DOT gov> <20140315154155 DOT GU77723 AT goldstein DOT sandia DOT gov>
In-Reply-To: <20140315154155.GU77723@goldstein.sandia.gov>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
X-Virus-Scanned: clamav-milter 0.98.1 at rayleigh
X-Virus-Status: Clean
X-MIME-Autoconverted: from 8bit to quoted-printable by rayleigh.systella.fr id s2FGRxBd030752
Content-Transfer-Encoding: 8bit
X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id s2FGSJLo012266
Reply-To: geda-user AT delorie DOT com

Tom Russo a écrit :
> On Sat, Mar 15, 2014 at 09:35:08AM -0600, Tom Russo <tvrusso AT sandia DOT gov> wrote:
>> On Sat, Mar 15, 2014 at 04:13:01PM +0100, BERTRAND Jo?l <joel DOT bertrand AT systella DOT fr> wrote:
>>> .OPTIONS NOPAGE NUMDGT=6 UNITS=Degrees WIDTH=104 ABSTOL=0.00
>>> +CHGTOL=0.00 DEFL=0.00Meg DEFW=0.00Meg GMIN=0.00 PIVREL=-1.798E+306
>>> +PIVTOL=0.00 RELTOL=-1.798E+306 TEMP=20.00
>>
>> It's these options, specifically the  RELTOL setting.  Why would you use
>> effectively negative infinity for the solver tolerance?
>>
>> Remove RELTOL=-1.798E+306 and your circuit runs.
>
> Sorry, I mean remove PIVREL, PIVTOL and RELTOL settings and it runs.
> And it is not a great idea to set the abstol and chgtol to zero,
> either, even though this particular circuit runs fine with those
> settings.

	Thank your for your answer. .OPTIONS statement directly comes from 
gspiceui I have used a long time ago.

	Regards,

	JKB