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<TITLE>PCReset</TITLE>
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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/PC/PCReset.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PCReset"><H1>PCReset</H1></A>
Resets a <A HREF="../PC/PC.html#PC">PC</A> context to the pcsetupcalled = 0 state and removes any allocated <A HREF="../Vec/Vecs.html#Vecs">Vecs</A> and Mats 
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscksp.h" 
PetscErrorCode  PCReset(PC pc)
</PRE>
Collective on <A HREF="../PC/PC.html#PC">PC</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B>pc </B> -the preconditioner context
<br>
<P>

<P>
Notes: This allows a <A HREF="../PC/PC.html#PC">PC</A> to be reused for a different sized linear system but using the same options that have been previously set in the <A HREF="../PC/PC.html#PC">PC</A>
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
 <A HREF="../PC/PC.html#PC">PC</A>, destroy
<BR>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
 <A HREF="../PC/PCCreate.html#PCCreate">PCCreate</A>(), <A HREF="../PC/PCSetUp.html#PCSetUp">PCSetUp</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ksp/pc/interface/precon.c.html#PCReset">src/ksp/pc/interface/precon.c</A>
<BR><A HREF="./index.html">Index of all PC routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
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