1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD> <link rel="canonical" href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/PC/PCPARMSSetNonsymPerm.html" />
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>PCPARMSSetNonsymPerm</TITLE>
</HEAD>
<BODY BGCOLOR="FFFFFF">
<div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="PCPARMSSetNonsymPerm"><H1>PCPARMSSetNonsymPerm</H1></A>
Sets the type of permutation for the ARMS preconditioner: the standard symmetric ARMS or the non-symmetric ARMS (ARMS-ddPQ).
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscpc.h"
PetscErrorCode PCPARMSSetNonsymPerm(PC pc,PetscBool nonsym)
</PRE>
Collective on <A HREF="../PC/PC.html#PC">PC</A>
<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>pc </B></TD><TD>- the preconditioner context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>nonsym </B></TD><TD>- <A HREF="../Sys/PETSC_TRUE.html#PETSC_TRUE">PETSC_TRUE</A> indicates the non-symmetric ARMS is used;
<A HREF="../Sys/PETSC_FALSE.html#PETSC_FALSE">PETSC_FALSE</A> indicates the symmetric ARMS is used
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Options Database Keys</FONT></H3>
<DT><B>-pc_parms_nonsymmetric_perm </B> -sets the use of nonsymmetric permutation
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
See the pARMS function parms_PCSetPermType for more information.
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../PC/PCPARMS.html#PCPARMS">PCPARMS</A>
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ksp/pc/impls/parms/parms.c.html#PCPARMSSetNonsymPerm">src/ksp/pc/impls/parms/parms.c</A>
<BR><A HREF="./index.html">Index of all PC routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
</BODY></HTML>
|