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<TITLE>VecISCopy</TITLE>
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<div id="version" align=right><b>petsc-3.10.3 2018-12-18</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-3.10.3 v3.10.3 docs/manualpages/Vec/VecISCopy.html "><small>Report Typos and Errors</small></a></div>
<A NAME="VecISCopy"><H1>VecISCopy</H1></A>
Copies between a reduced vector and the appropriate elements of a full-space vector. vfull[is[i]] = vreduced[i]
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscvec.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Vec/VecISCopy.html#VecISCopy">VecISCopy</A>(<A HREF="../Vec/Vec.html#Vec">Vec</A> vfull, <A HREF="../IS/IS.html#IS">IS</A> is, <A HREF="../Vec/ScatterMode.html#ScatterMode">ScatterMode</A> mode, <A HREF="../Vec/Vec.html#Vec">Vec</A> vreduced)
</PRE>
<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>vfull </B></TD><TD>- the full-space vector
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>is </B></TD><TD>- the index set for the reduced space
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>mode </B></TD><TD>- the direction of copying, <A HREF="../Vec/SCATTER_FORWARD.html#SCATTER_FORWARD">SCATTER_FORWARD</A> or <A HREF="../Vec/SCATTER_REVERSE.html#SCATTER_REVERSE">SCATTER_REVERSE</A>
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>vreduced </B></TD><TD>- the reduced-space vector
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<DT><B>vfull </B> -the sum of the full-space vector and reduced-space vector
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Vec/VecAXPY.html#VecAXPY">VecAXPY</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>advanced<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/vec/vec/utils/projection.c.html#VecISCopy">src/vec/vec/utils/projection.c</A>
<BR><A HREF="./index.html">Index of all Vec routines</A>
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