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   <div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="KSPQCGGetTrialStepNorm"><H1>KSPQCGGetTrialStepNorm</H1></A>
Gets the norm of a trial step vector.  The WCG step may be constrained, so this is not necessarily the length of the ultimate step taken in QCG. 
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscksp.h" 
PetscErrorCode  KSPQCGGetTrialStepNorm(KSP ksp,PetscReal *tsnorm)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B>ksp </B> -the iterative context
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>tsnorm </B> -the norm
<br>
<P>

<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ksp/ksp/impls/qcg/qcg.c.html#KSPQCGGetTrialStepNorm">src/ksp/ksp/impls/qcg/qcg.c</A>
<BR><A HREF="./index.html">Index of all KSP routines</A>
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