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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.7.5 v3.7.5 docs/manualpages/SNES/SNESLineSearchSetDefaultMonitor.html "><small>Report Typos and Errors</small></a></div>
<A NAME="SNESLineSearchSetDefaultMonitor"><H1>SNESLineSearchSetDefaultMonitor</H1></A>
Turns on/off printing useful information and debugging output about the line search.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsnes.h"
PetscErrorCode SNESLineSearchSetDefaultMonitor(SNESLineSearch linesearch, PetscViewer viewer)
</PRE>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>linesearch </B></TD><TD>- the linesearch object
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>viewer </B></TD><TD>- an ASCII <A HREF="../Viewer/PetscViewer.html#PetscViewer">PetscViewer</A> or NULL to turn off monitor
</TD></TR></TABLE>
<P>
Logically Collective on <A HREF="../SNES/SNESLineSearch.html#SNESLineSearch">SNESLineSearch</A>
<P>
<H3><FONT COLOR="#CC3333">Options Database</FONT></H3>
<DT><B>-snes_linesearch_monitor [:filename] </B> -enables the monitor
<br>
<P>
<P>
Developer Note: This monitor is implemented differently than the other SNESLineSearchMonitors that are set with
<A HREF="../SNES/SNESLineSearchMonitorSet.html#SNESLineSearchMonitorSet">SNESLineSearchMonitorSet</A>() since it is called in many locations of the line search routines to display aspects of the
line search that are not visible to the other monitors.
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../SNES/SNESLineSearchGetDefaultMonitor.html#SNESLineSearchGetDefaultMonitor">SNESLineSearchGetDefaultMonitor</A>(), <A HREF="../Viewer/PetscViewer.html#PetscViewer">PetscViewer</A>, SNESLineSearchSetMonitor()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/snes/linesearch/interface/linesearch.c.html#SNESLineSearchSetDefaultMonitor">src/snes/linesearch/interface/linesearch.c</A>
<BR><A HREF="./index.html">Index of all SNES routines</A>
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