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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="MatCUSPARSESetFormat"><H1>MatCUSPARSESetFormat</H1></A>
Sets the storage format of CUSPARSE matrices for a particular operation. Only the <A HREF="../Mat/MatMult.html#MatMult">MatMult</A> operation can use different GPU storage formats for MPIAIJCUSPARSE matrices. Not Collective
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscmat.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Mat/MatCUSPARSESetFormat.html#MatCUSPARSESetFormat">MatCUSPARSESetFormat</A>(<A HREF="../Mat/Mat.html#Mat">Mat</A> A,<A HREF="../Mat/MatCUSPARSEFormatOperation.html#MatCUSPARSEFormatOperation">MatCUSPARSEFormatOperation</A> op,<A HREF="../Mat/MatCUSPARSEStorageFormat.html#MatCUSPARSEStorageFormat">MatCUSPARSEStorageFormat</A> format)
</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>A </B></TD><TD>- Matrix of type SEQAIJCUSPARSE
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>op </B></TD><TD>- <A HREF="../Mat/MatCUSPARSEFormatOperation.html#MatCUSPARSEFormatOperation">MatCUSPARSEFormatOperation</A>. SEQAIJCUSPARSE matrices support <A HREF="../Mat/MatCUSPARSEFormatOperation.html#MatCUSPARSEFormatOperation">MAT_CUSPARSE_MULT</A> and <A HREF="../Mat/MatCUSPARSEFormatOperation.html#MatCUSPARSEFormatOperation">MAT_CUSPARSE_ALL</A>. MPIAIJCUSPARSE matrices support <A HREF="../Mat/MatCUSPARSEFormatOperation.html#MatCUSPARSEFormatOperation">MAT_CUSPARSE_MULT_DIAG</A>, <A HREF="../Mat/MatCUSPARSEFormatOperation.html#MatCUSPARSEFormatOperation">MAT_CUSPARSE_MULT_OFFDIAG</A>, and <A HREF="../Mat/MatCUSPARSEFormatOperation.html#MatCUSPARSEFormatOperation">MAT_CUSPARSE_ALL</A>.
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>format </B></TD><TD>- <A HREF="../Mat/MatCUSPARSEStorageFormat.html#MatCUSPARSEStorageFormat">MatCUSPARSEStorageFormat</A> (one of <A HREF="../Mat/MatCUSPARSEStorageFormat.html#MatCUSPARSEStorageFormat">MAT_CUSPARSE_CSR</A>, <A HREF="../Mat/MatCUSPARSEStorageFormat.html#MatCUSPARSEStorageFormat">MAT_CUSPARSE_ELL</A>, <A HREF="../Mat/MatCUSPARSEStorageFormat.html#MatCUSPARSEStorageFormat">MAT_CUSPARSE_HYB</A>. The latter two require CUDA 4.2)
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Mat/MatCUSPARSEStorageFormat.html#MatCUSPARSEStorageFormat">MatCUSPARSEStorageFormat</A>, <A HREF="../Mat/MatCUSPARSEFormatOperation.html#MatCUSPARSEFormatOperation">MatCUSPARSEFormatOperation</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/mat/impls/aij/seq/seqcusparse/aijcusparse.cu#MatCUSPARSESetFormat">src/mat/impls/aij/seq/seqcusparse/aijcusparse.cu</A>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/mat/impls/aij/mpi/mpicusparse/mpiaijcusparse.cu.html#MatCUSPARSESetFormat_MPIAIJCUSPARSE">MatCUSPARSESetFormat_MPIAIJCUSPARSE in src/mat/impls/aij/mpi/mpicusparse/mpiaijcusparse.cu</A><BR>
<A HREF="../../../src/mat/impls/aij/seq/seqcusparse/aijcusparse.cu.html#MatCUSPARSESetFormat_SeqAIJCUSPARSE">MatCUSPARSESetFormat_SeqAIJCUSPARSE in src/mat/impls/aij/seq/seqcusparse/aijcusparse.cu</A><BR>
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