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<div id="version" align=right><b>petsc-3.10.3 2018-12-18</b></div>
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<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"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../KSP/KSPQCGGetTrialStepNorm.html#KSPQCGGetTrialStepNorm">KSPQCGGetTrialStepNorm</A>(<A HREF="../KSP/KSP.html#KSP">KSP</A> ksp,<A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> *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></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>advanced<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/ksp/ksp/impls/qcg/qcg.c.html#KSPQCGGetTrialStepNorm">src/ksp/ksp/impls/qcg/qcg.c</A>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/ksp/ksp/impls/qcg/qcg.c.html#KSPQCGGetTrialStepNorm_QCG">KSPQCGGetTrialStepNorm_QCG in src/ksp/ksp/impls/qcg/qcg.c</A><BR>
<BR><A HREF="./index.html">Index of all KSP routines</A>
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