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   <div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="PetscSortSplit"><H1>PetscSortSplit</H1></A>
Quick-sort split of an array of PetscScalars in place. 
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"  
PetscErrorCode  PetscSortSplit(PetscInt ncut,PetscInt n,PetscScalar a[],PetscInt idx[])
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ncut  </B></TD><TD>- splitig index
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>n     </B></TD><TD>- number of values to sort
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>a     </B></TD><TD>- array of values
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>idx   </B></TD><TD>- index for array a
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>a     </B></TD><TD>- permuted array of values such that its elements satisfy:
abs(a[i]) &gt;= abs(a[ncut-1]) for i &lt; ncut and
abs(a[i]) &lt;= abs(a[ncut-1]) for i &gt;= ncut
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>idx   </B></TD><TD>- permuted index of array a
</TD></TR></TABLE>
<P>

<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
 <A HREF="../Sys/PetscSortInt.html#PetscSortInt">PetscSortInt</A>(), <A HREF="../Sys/PetscSortRealWithPermutation.html#PetscSortRealWithPermutation">PetscSortRealWithPermutation</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/utils/sortd.c.html#PetscSortSplit">src/sys/utils/sortd.c</A>
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