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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/PC/PCHPDDMHasNeumannMat.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PCHPDDMHasNeumannMat"><H1>PCHPDDMHasNeumannMat</H1></A>
Informs <A HREF="../PC/PCHPDDM.html#PCHPDDM">PCHPDDM</A> that the <A HREF="../Mat/Mat.html#Mat">Mat</A> passed to <A HREF="../PC/PCHPDDMSetAuxiliaryMat.html#PCHPDDMSetAuxiliaryMat">PCHPDDMSetAuxiliaryMat</A>() is the local Neumann matrix. This may be used to bypass a call to <A HREF="../Mat/MatCreateSubMatrices.html#MatCreateSubMatrices">MatCreateSubMatrices</A>() and to <A HREF="../Mat/MatConvert.html#MatConvert">MatConvert</A>() for <A HREF="../Mat/MATMPISBAIJ.html#MATMPISBAIJ">MATMPISBAIJ</A> matrices. If a <A HREF="../DMPLEX/DMCreateNeumannOverlap.html#DMCreateNeumannOverlap">DMCreateNeumannOverlap</A>() implementation is available in the <A HREF="../DM/DM.html#DM">DM</A> attached to the Pmat, or the Amat, or the <A HREF="../PC/PC.html#PC">PC</A>, the flag is internally set to <A HREF="../Sys/PETSC_TRUE.html#PETSC_TRUE">PETSC_TRUE</A>. Its default value is otherwise <A HREF="../Sys/PETSC_FALSE.html#PETSC_FALSE">PETSC_FALSE</A>.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscpc.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../PC/PCHPDDMHasNeumannMat.html#PCHPDDMHasNeumannMat">PCHPDDMHasNeumannMat</A>(<A HREF="../PC/PC.html#PC">PC</A> pc, <A HREF="../Sys/PetscBool.html#PetscBool">PetscBool</A> has)
</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>pc </B></TD><TD>- preconditioner context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>has </B></TD><TD>- Boolean value
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../PC/PCHPDDM.html#PCHPDDM">PCHPDDM</A>, <A HREF="../PC/PCHPDDMSetAuxiliaryMat.html#PCHPDDMSetAuxiliaryMat">PCHPDDMSetAuxiliaryMat</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/ksp/pc/impls/hpddm/hpddm.cxx.html#PCHPDDMHasNeumannMat">src/ksp/pc/impls/hpddm/hpddm.cxx</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/ksp/ksp/tutorials/ex76.c.html">src/ksp/ksp/tutorials/ex76.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/tutorials/ex76f.F90.html">src/ksp/ksp/tutorials/ex76f.F90.html</A><BR>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/ksp/pc/impls/hpddm/hpddm.cxx.html#PCHPDDMHasNeumannMat_HPDDM">PCHPDDMHasNeumannMat_HPDDM in src/ksp/pc/impls/hpddm/hpddm.cxx</A><BR>
<BR><A HREF="./index.html">Index of all PC routines</A>
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