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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/PCKSPGetKSP.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PCKSPGetKSP"><H1>PCKSPGetKSP</H1></A>
Gets the <A HREF="../KSP/KSP.html#KSP">KSP</A> context for a <A HREF="../KSP/KSP.html#KSP">KSP</A> <A HREF="../PC/PC.html#PC">PC</A>.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscksp.h"
PetscErrorCode PCKSPGetKSP(PC pc,KSP *ksp)
</PRE>
Not Collective but <A HREF="../KSP/KSP.html#KSP">KSP</A> returned is parallel if <A HREF="../PC/PC.html#PC">PC</A> was parallel
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B>pc </B> -the preconditioner context
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<DT><B>ksp </B> -the <A HREF="../PC/PC.html#PC">PC</A> solver
<br>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
You must call <A HREF="../KSP/KSPSetUp.html#KSPSetUp">KSPSetUp</A>() before calling <A HREF="../PC/PCKSPGetKSP.html#PCKSPGetKSP">PCKSPGetKSP</A>().
<P>
If the <A HREF="../PC/PC.html#PC">PC</A> is not a <A HREF="../PC/PCKSP.html#PCKSP">PCKSP</A> object then a NULL is returned
<P>
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
<A HREF="../PC/PC.html#PC">PC</A>, <A HREF="../KSP/KSP.html#KSP">KSP</A>, get, context
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ksp/pc/impls/ksp/pcksp.c.html#PCKSPGetKSP">src/ksp/pc/impls/ksp/pcksp.c</A>
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