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original version by: Nikos Drakos, CBLU, University of Leeds
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<H2><A NAME="SECTION00052000000000000000"></A><A NAME="sec:third_party"></A>
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<BR>
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Optional third party libraries
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</H2>
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<P>
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We provide interfaces to the following third-party software libraries;
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note that these are optional, but if you enable them some defaults
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for multi-level preconditioners may change to reflect their presence.
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<P>
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<DL>
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<DT><STRONG>UMFPACK</STRONG></DT>
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<DD>[<A
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HREF="node27.html#UMFPACK">10</A>]
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A sparse LU factorization package included in the SuiteSparse library, available from
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<TT><A NAME="tex2html5"
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HREF="faculty.cse.tamu.edu/davis/suitesparse.html">faculty.cse.tamu.edu/davis/suitesparse.html</A></TT>;
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it provides sequential factorization and triangular system solution for double
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precision real and complex data. We tested version 4.5.4 of SuiteSparse.
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Note that for configuring SuiteSparse you should provide the right path to the BLAS
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and LAPACK libraries in the <code>SuiteSparse_config/SuiteSparse_config.mk</code> file.
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</DD>
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<DT><STRONG>MUMPS</STRONG></DT>
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<DD>[<A
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HREF="node27.html#MUMPS">11</A>]
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A sparse LU factorization package available from <TT><A NAME="tex2html6"
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HREF="mumps.enseeiht.fr">mumps.enseeiht.fr</A></TT>;
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it provides sequential and parallel factorizations and triangular system solution
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for single and double precision, real and complex data.
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We tested versions 4.10.0 and version 5.0.1.
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</DD>
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<DT><STRONG>SuperLU</STRONG></DT>
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<DD>[<A
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HREF="node27.html#SUPERLU">12</A>]
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A sparse LU factorization package available from
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<TT><A NAME="tex2html7"
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HREF="crd.lbl.gov/~xiaoye/SuperLU/">crd.lbl.gov/~xiaoye/SuperLU/</A></TT>; it provides sequential
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factorization and triangular system solution for single and double precision,
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real and complex data. We tested version 4.3 and 5.0. If you installed BLAS from
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ATLAS, remember to define the BLASLIB variable in the make.inc file.
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</DD>
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<DT><STRONG>SuperLU_Dist</STRONG></DT>
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<DD>[<A
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HREF="node27.html#SUPERLUDIST">22</A>]
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A sparse LU factorization package available
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from the same site as SuperLU; it provides parallel factorization and
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triangular system solution for double precision real and complex data.
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We tested version 3.3 and 4.2. If you installed BLAS from
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ATLAS, remember to define the BLASLIB variable in the make.inc file and
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to add the <code>-std=c99</code> option to the C compiler options.
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Note that this library requires the ParMETIS
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library for parallel graph partitioning and fill-reducing matrix ordering, available from
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<TT><A NAME="tex2html8"
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HREF="glaros.dtc.umn.edu/gkhome/metis/parmetis/overview">glaros.dtc.umn.edu/gkhome/metis/parmetis/overview</A></TT>.
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</DD>
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</DL>
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HREF="node5.html">Configuring and Building MLD2P4</A>
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