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<A NAME="PCSetFromOptions"><H1>PCSetFromOptions</H1></A>
Sets <A HREF="../PC/PC.html#PC">PC</A> options from the options database. This routine must be called before <A HREF="../PC/PCSetUp.html#PCSetUp">PCSetUp</A>() if the user is to be allowed to set the preconditioner method.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscpc.h"
int PCSetFromOptions(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
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<P>
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
<A HREF="../PC/PC.html#PC">PC</A>, set, from, options, database
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<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<BR>
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ksp/pc/interface/pcset.c.html#PCSetFromOptions">src/ksp/pc/interface/pcset.c</A>
<BR><A HREF="./index.html">Index of all PC routines</A>
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