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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</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-3.14.5 v3.14.5 docs/manualpages/PetscSection/PetscSectionGetOffset.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscSectionGetOffset"><H1>PetscSectionGetOffset</H1></A>
Return the offset into an array or local <A HREF="../Vec/Vec.html#Vec">Vec</A> for the dof associated with the given point.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsection.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../PetscSection/PetscSectionGetOffset.html#PetscSectionGetOffset">PetscSectionGetOffset</A>(<A HREF="../PetscSection/PetscSection.html#PetscSection">PetscSection</A> s, <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> point, <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> *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>s </B></TD><TD>- the <A HREF="../PetscSection/PetscSection.html#PetscSection">PetscSection</A>
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>point </B></TD><TD>- the point
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>offset </B></TD><TD>- the offset
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../PetscSection/PetscSectionGetFieldOffset.html#PetscSectionGetFieldOffset">PetscSectionGetFieldOffset</A>(), <A HREF="../PetscSection/PetscSectionCreate.html#PetscSectionCreate">PetscSectionCreate</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/vec/is/section/interface/section.c.html#PetscSectionGetOffset">src/vec/is/section/interface/section.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/tao/tutorials/ex3.c.html">src/tao/tutorials/ex3.c.html</A><BR>
<BR><A HREF="./index.html">Index of all PetscSection routines</A>
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