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<div id="version" align=right><b>slepc-3.7.3 2016-09-29</b></div>
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<H1>SlepcSortEigenvalues</H1>
Sorts a list of eigenvalues according to the sorting criterion specified in a SlepcSC context.
<H3><FONT COLOR="#883300">Synopsis</FONT></H3>
<PRE>
#include "slepcsys.h"
PetscErrorCode SlepcSortEigenvalues(SlepcSC sc,PetscInt n,PetscScalar *eigr,PetscScalar *eigi,PetscInt *perm)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#883300">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>sc </B></TD><TD> - the sorting criterion context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>n </B></TD><TD> - number of eigenvalues in the list
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>eigr </B></TD><TD> - pointer to the array containing the eigenvalues
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>eigi </B></TD><TD> - imaginary part of the eigenvalues (only when using real numbers)
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Input/Output Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0"><TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>perm </B></TD><TD> - permutation array. Must be initialized to 0:n-1 on input.
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Note</FONT></H3>
The result is a list of indices in the original eigenvalue array
corresponding to the first n eigenvalues sorted in the specified
criterion.
<P>
<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
<A HREF="../sys/SlepcSCCompare.html#SlepcSCCompare">SlepcSCCompare</A>(), SlepcSC
<BR><P><B><FONT COLOR="#883300">Location: </FONT></B><A HREF="../../../src/sys/slepcsc.c.html#SlepcSortEigenvalues">src/sys/slepcsc.c</A>
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