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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/IS/ISBlockGetSize.html "><small>Report Typos and Errors</small></a></div>
<A NAME="ISBlockGetSize"><H1>ISBlockGetSize</H1></A>
Returns the global number of blocks in the index set.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscis.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../IS/ISBlockGetSize.html#ISBlockGetSize">ISBlockGetSize</A>(<A HREF="../IS/IS.html#IS">IS</A> is,<A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> *size)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>is </B></TD><TD>- the index set
</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>size </B></TD><TD>- the global number of blocks
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../IS/ISGetBlockSize.html#ISGetBlockSize">ISGetBlockSize</A>(), <A HREF="../IS/ISBlockGetLocalSize.html#ISBlockGetLocalSize">ISBlockGetLocalSize</A>(), <A HREF="../IS/ISGetSize.html#ISGetSize">ISGetSize</A>(), <A HREF="../IS/ISCreateBlock.html#ISCreateBlock">ISCreateBlock</A>(), ISBLOCK
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/vec/is/is/impls/block/block.c.html#ISBlockGetSize">src/vec/is/is/impls/block/block.c</A>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/vec/is/is/impls/block/block.c.html#ISBlockGetSize_Block">ISBlockGetSize_Block in src/vec/is/is/impls/block/block.c</A><BR>
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