<br><font size=2 face="sans-serif">Jean-Sebastien,</font>
<br>
<br><font size=2 face="sans-serif">One way is to override the message handler
with one of you own - see COIN/Clp/Test/MyMessageHandler.cpp/.hpp.</font>
<br>
<br><font size=2 face="sans-serif">However looking at the code a much simpler
way would be to allow you to set the level to -1. Try changing line
253 of CoinMessageHandler.cpp to if (value >=-1) and then set the level
to -1. If that does what you want then I will put the change in cvs.</font>
<br>
<br><font size=2 face="sans-serif">John Forrest</font>
<br>
<br>
<br>
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<td width=40%><font size=1 face="sans-serif"><b>Jean-Sebastien Roy <js@jeannot.org></b>
</font>
<br><font size=1 face="sans-serif">Sent by: coin-lpsolver-admin@www-124.southbury.usf.ibm.com</font>
<p><font size=1 face="sans-serif">03/20/2004 09:42 AM</font>
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<div align=right><font size=1 face="sans-serif">To</font></div>
<td valign=top><font size=1 face="sans-serif">Coin-lpsolver@www-124.southbury.usf.ibm.com</font>
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<td>
<div align=right><font size=1 face="sans-serif">cc</font></div>
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<div align=right><font size=1 face="sans-serif">Subject</font></div>
<td valign=top><font size=1 face="sans-serif">[Coin-lpsolver] Correct way
to disable messages in Coin</font></table>
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<br><font size=2><tt>Hi !<br>
<br>
I use:<br>
<br>
OsiClpSolverInterface solver1;<br>
SbbModel model(solver1);<br>
<br>
To create a new SbbModel, then:<br>
<br>
model.solver()->messageHandler()->setLogLevel(0);<br>
model.messageHandler()->setLogLevel(0);<br>
<br>
To disable messages (as found in SbbParam.cpp). Most messages disapear,
<br>
yet if I use the presolve using:<br>
<br>
model.solver()->setHintParam(OsiDoPresolveInInitial,true,OsiHintTry);<br>
<br>
I get messages like:<br>
<br>
Clp3002W Empty problem - 0 rows, 0 columns and 0 elements<br>
<br>
And:<br>
<br>
Coin0507I Presolve determined that the problem was infeasible with <br>
tolerance of 1e-08<br>
<br>
What is the correct way to disable all messages ?<br>
<br>
Thank you very much in advance !<br>
<br>
Regards,<br>
<br>
js<br>
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