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<TITLE>SNESLineSearchShellGetUserFunc</TITLE>
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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</b></div>
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<A NAME="SNESLineSearchShellGetUserFunc"><H1>SNESLineSearchShellGetUserFunc</H1></A>
Gets the user function and context for the shell implementation.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../SNES/SNESLineSearchShellGetUserFunc.html#SNESLineSearchShellGetUserFunc">SNESLineSearchShellGetUserFunc</A>(<A HREF="../SNES/SNESLineSearch.html#SNESLineSearch">SNESLineSearch</A> linesearch, SNESLineSearchUserFunc *func, void **ctx)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</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 line search object
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>func </B></TD><TD>- the user function; can be NULL if you do not want it
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ctx </B></TD><TD>- the user function context; can be NULL if you do not want it
</TD></TR></TABLE>
<P>
<P>
.seealso: <A HREF="../SNES/SNESLineSearchShellSetUserFunc.html#SNESLineSearchShellSetUserFunc">SNESLineSearchShellSetUserFunc</A>()
<P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>advanced<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/snes/linesearch/impls/shell/linesearchshell.c.html#SNESLineSearchShellGetUserFunc">src/snes/linesearch/impls/shell/linesearchshell.c</A>
<BR><A HREF="./index.html">Index of all SNES routines</A>
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