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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
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<A NAME="PetscObjectComposedDataGetScalar"><H1>PetscObjectComposedDataGetScalar</H1></A>
retrieve scalar data attached to an object
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petsc/private/petscimpl.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Sys/PetscObjectComposedDataGetScalar.html#PetscObjectComposedDataGetScalar">PetscObjectComposedDataGetScalar</A>(<A HREF="../Sys/PetscObject.html#PetscObject">PetscObject</A> obj,int id,<A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A> data,<A HREF="../Sys/PetscBool.html#PetscBool">PetscBool</A> flag)
</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>obj </B></TD><TD>- the object from which data is to be retrieved
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>id </B></TD><TD>- the identifier for the data
</TD></TR></TABLE>
<P>
Output parameters
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>data </B></TD><TD>- the data to be retrieved
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>flag </B></TD><TD>- <A HREF="../Sys/PETSC_TRUE.html#PETSC_TRUE">PETSC_TRUE</A> if the data item exists and is valid, <A HREF="../Sys/PETSC_FALSE.html#PETSC_FALSE">PETSC_FALSE</A> otherwise
</TD></TR></TABLE>
<P>
The 'data' and 'flag' variables are inlined, so they are not pointers.
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../include/petsc/private/petscimpl.h.html#PetscObjectComposedDataGetScalar">include/petsc/private/petscimpl.h</A>
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