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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</b></div>
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<A NAME="PetscFEIntegrateBd"><H1>PetscFEIntegrateBd</H1></A>
Produce the integral for the given field for a chunk of elements by quadrature integration
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscfe.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../FE/PetscFEIntegrateBd.html#PetscFEIntegrateBd">PetscFEIntegrateBd</A>(<A HREF="../DM/PetscDS.html#PetscDS">PetscDS</A> prob, <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> field,
void (*obj_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/PetscInt.html#PetscInt">PetscInt</A> Ne, PetscFEGeom *geom, const <A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A> coefficients[], <A HREF="../DM/PetscDS.html#PetscDS">PetscDS</A> probAux, const <A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A> coefficientsAux[], <A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A> integral[])
</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>prob </B></TD><TD>- The <A HREF="../DM/PetscDS.html#PetscDS">PetscDS</A> specifying the discretizations and continuum functions
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>field </B></TD><TD>- The field being integrated
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>obj_func </B></TD><TD>- The function to be integrated
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>Ne </B></TD><TD>- The number of elements in the chunk
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>fgeom </B></TD><TD>- The face geometry for each face in the chunk
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>coefficients </B></TD><TD>- The array of FEM basis coefficients for the elements
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>probAux </B></TD><TD>- The <A HREF="../DM/PetscDS.html#PetscDS">PetscDS</A> specifying the auxiliary discretizations
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>coefficientsAux </B></TD><TD>- The array of FEM auxiliary basis coefficients for the elements
</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>integral </B></TD><TD>- the integral for this field
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../FE/PetscFEIntegrateResidual.html#PetscFEIntegrateResidual">PetscFEIntegrateResidual</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/dm/dt/fe/interface/fe.c.html#PetscFEIntegrateBd">src/dm/dt/fe/interface/fe.c</A>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3>src/dm/dt/fe/impls/basic/febasic.c:259:static PetscErrorCode PetscFEIntegrateBd_Basic(PetscDS ds, PetscInt field,
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