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<TITLE>DMPlexComputeBdIntegral</TITLE>
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<div id="version" align=right><b>petsc-3.10.3 2018-12-18</b></div>
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<A NAME="DMPlexComputeBdIntegral"><H1>DMPlexComputeBdIntegral</H1></A>
Form the integral over the specified boundary from the global input X using pointwise functions specified by the user
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmplex.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DMPLEX/DMPlexComputeBdIntegral.html#DMPlexComputeBdIntegral">DMPlexComputeBdIntegral</A>(<A HREF="../DM/DM.html#DM">DM</A> dm, <A HREF="../Vec/Vec.html#Vec">Vec</A> X, <A HREF="../DM/DMLabel.html#DMLabel">DMLabel</A> label, <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> numVals, const <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> vals[],
void (*func)(<A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A>, <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A>, <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A>,
const <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A>[], const <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A>[], const <A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A>[], const <A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A>[], const <A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A>[],
const <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A>[], const <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A>[], const <A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A>[], const <A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A>[], const <A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A>[],
<A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A>, const <A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A>[], const <A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A>[], <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A>, const <A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A>[], <A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A>[]),
<A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A> *integral, void *user)
</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>dm </B></TD><TD>- The mesh
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>X </B></TD><TD>- Global input vector
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>label </B></TD><TD>- The boundary <A HREF="../DM/DMLabel.html#DMLabel">DMLabel</A>
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>numVals </B></TD><TD>- The number of label values to use, or <A HREF="../Sys/PETSC_DETERMINE.html#PETSC_DETERMINE">PETSC_DETERMINE</A> for all values
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>vals </B></TD><TD>- The label values to use, or PETSC_NULL for all values
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>func = The function to integrate along the boundary</B></TD><TD>- - user - The user context
</TD></TR>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>integral </B></TD><TD>- Integral for each field
</TD></TR>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DMPLEX/DMPlexComputeIntegralFEM.html#DMPlexComputeIntegralFEM">DMPlexComputeIntegralFEM</A>(), DMPlexComputeBdResidualFEM()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>developer<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/dm/impls/plex/plexfem.c.html#DMPlexComputeBdIntegral">src/dm/impls/plex/plexfem.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/snes/examples/tutorials/ex12.c.html">src/snes/examples/tutorials/ex12.c.html</A><BR>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3>src/dm/impls/plex/plexfem.c:1496:static PetscErrorCode DMPlexComputeBdIntegral_Internal(DM dm, Vec locX, IS pointIS,
<BR><A HREF="./index.html">Index of all DMPLEX routines</A>
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