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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
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<A NAME="SNESLineSearchMonitorSet"><H1>SNESLineSearchMonitorSet</H1></A>
Sets an ADDITIONAL function that is to be used at every iteration of the nonlinear solver to display the iteration's progress.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsnes.h"
PetscErrorCode SNESLineSearchMonitorSet(SNESLineSearch ls,PetscErrorCode (*f)(SNESLineSearch,void*),void *mctx,PetscErrorCode (*monitordestroy)(void**))
</PRE>
Logically Collective on <A HREF="../SNES/SNESLineSearch.html#SNESLineSearch">SNESLineSearch</A>
<P>
<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>ls </B></TD><TD>- the <A HREF="../SNES/SNESLineSearch.html#SNESLineSearch">SNESLineSearch</A> context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>f </B></TD><TD>- the monitor function
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>mctx </B></TD><TD>- [optional] user-defined context for private data for the
monitor routine (use NULL if no context is desired)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>monitordestroy </B></TD><TD>- [optional] routine that frees monitor context
(may be NULL)
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
Several different monitoring routines may be set by calling
<A HREF="../SNES/SNESLineSearchMonitorSet.html#SNESLineSearchMonitorSet">SNESLineSearchMonitorSet</A>() multiple times; all will be called in the
order in which they were set.
<P>
Fortran notes: Only a single monitor function can be set for each <A HREF="../SNES/SNESLineSearch.html#SNESLineSearch">SNESLineSearch</A> object
<P>
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
<A HREF="../SNES/SNESLineSearch.html#SNESLineSearch">SNESLineSearch</A>, nonlinear, set, monitor
<BR>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
SNESLineSearchMonitorDefault(), <A HREF="../SNES/SNESLineSearchMonitorCancel.html#SNESLineSearchMonitorCancel">SNESLineSearchMonitorCancel</A>()
<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#SNESLineSearchMonitorSet">src/snes/linesearch/interface/linesearch.c</A>
<BR><A HREF="./index.html">Index of all SNES routines</A>
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