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<H1>EPSSortEigenvaluesReal</H1>
Sorts a list of eigenvalues according to a certain criterion (version for real eigenvalues only).
<H3><FONT COLOR="#883300">Synopsis</FONT></H3>
<PRE>
#include "slepceps.h"
PetscErrorCode EPSSortEigenvaluesReal(EPS eps,PetscInt n,PetscReal *eig,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>eps </B></TD><TD> - the eigensolver context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>n </B></TD><TD> - number of eigenvalue in the list
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>eig </B></TD><TD> - pointer to the array containing the eigenvalues (real)
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Output Parameter</FONT></H3>
<DT><B>perm </B> - resulting permutation
<br>
<P>
<H3><FONT COLOR="#883300">Note</FONT></H3>
The result is a list of indices in the original eigenvalue array
corresponding to the first nev eigenvalues sorted in the specified
criterion.
<P>
<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
<A HREF="../EPS/EPSSortEigenvalues.html#EPSSortEigenvalues">EPSSortEigenvalues</A>(), <A HREF="../EPS/EPSSetWhichEigenpairs.html#EPSSetWhichEigenpairs">EPSSetWhichEigenpairs</A>(), <A HREF="../EPS/EPSCompareEigenvalues.html#EPSCompareEigenvalues">EPSCompareEigenvalues</A>()
<BR><P><B><FONT COLOR="#883300">Location: </FONT></B><A HREF="../../../src/eps/interface/solve.c.html#EPSSortEigenvaluesReal">src/eps/interface/solve.c</A>
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