File: DMNetworkGetComponentTypeOffset.html

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   <div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
   <div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.7.5 v3.7.5 docs/manualpages/DM/DMNetworkGetComponentTypeOffset.html "><small>Report Typos and Errors</small></a></div>
<A NAME="DMNetworkGetComponentTypeOffset"><H1>DMNetworkGetComponentTypeOffset</H1></A>
Gets the type along with the offset for indexing the  component value from the component data array 
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmnetwork.h"  
PetscErrorCode DMNetworkGetComponentTypeOffset(DM dm,PetscInt p, PetscInt compnum, PetscInt *compkey, PetscInt *offset)
</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>dm      </B></TD><TD>- The DMNetwork object
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>p       </B></TD><TD>- vertex/edge point
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>compnum </B></TD><TD>- component number
</TD></TR></TABLE>
<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>compkey </B></TD><TD>- the key obtained when registering the component
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>offset  </B></TD><TD>- offset into the component data array associated with the vertex/edge point
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
<H3><FONT COLOR="#CC3333">Typical usage</FONT></H3>
<P>
<A HREF="../DM/DMNetworkGetComponentDataArray.html#DMNetworkGetComponentDataArray">DMNetworkGetComponentDataArray</A>(dm, &amp;arr);
DMNetworkGetVertex/EdgeRange(dm,&amp;Start,&amp;End);
Loop over vertices or edges
<A HREF="../DM/DMNetworkGetNumComponents.html#DMNetworkGetNumComponents">DMNetworkGetNumComponents</A>(dm,v,&amp;numcomps);
Loop over numcomps
<A HREF="../DM/DMNetworkGetComponentTypeOffset.html#DMNetworkGetComponentTypeOffset">DMNetworkGetComponentTypeOffset</A>(dm,v,compnum,&amp;key,&amp;offset);
compdata = (UserCompDataType)(arr+offset);
<P>

<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
 <A HREF="../DM/DMNetworkGetNumComponents.html#DMNetworkGetNumComponents">DMNetworkGetNumComponents</A>, <A HREF="../DM/DMNetworkGetComponentDataArray.html#DMNetworkGetComponentDataArray">DMNetworkGetComponentDataArray</A>, 
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/dm/impls/network/network.c.html#DMNetworkGetComponentTypeOffset">src/dm/impls/network/network.c</A>
<BR><A HREF="./index.html">Index of all DM 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>
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