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<p>Main include file for algebraic multigrid (AMG) preconditioners. Experimental.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include <vector></code><br/>
<code>#include <cmath></code><br/>
<code>#include "<a class="el" href="forwards_8h_source.html">viennacl/forwards.h</a>"</code><br/>
<code>#include "<a class="el" href="tools_8hpp_source.html">viennacl/tools/tools.hpp</a>"</code><br/>
<code>#include "<a class="el" href="prod_8hpp_source.html">viennacl/linalg/prod.hpp</a>"</code><br/>
<code>#include "<a class="el" href="direct__solve_8hpp_source.html">viennacl/linalg/direct_solve.hpp</a>"</code><br/>
<code>#include "<a class="el" href="compressed__matrix_8hpp_source.html">viennacl/compressed_matrix.hpp</a>"</code><br/>
<code>#include "<a class="el" href="amg__base_8hpp_source.html">viennacl/linalg/detail/amg/amg_base.hpp</a>"</code><br/>
<code>#include "<a class="el" href="sparse__matrix__operations_8hpp_source.html">viennacl/linalg/sparse_matrix_operations.hpp</a>"</code><br/>
<code>#include "<a class="el" href="amg__operations_8hpp_source.html">viennacl/linalg/amg_operations.hpp</a>"</code><br/>
<code>#include "<a class="el" href="timer_8hpp_source.html">viennacl/tools/timer.hpp</a>"</code><br/>
<code>#include "<a class="el" href="lu_8hpp_source.html">viennacl/linalg/lu.hpp</a>"</code><br/>
<code>#include <map></code><br/>
</div>
<p><a href="amg_8hpp_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classviennacl_1_1linalg_1_1amg__coarse__problem__too__large__exception.html">viennacl::linalg::amg_coarse_problem_too_large_exception</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classviennacl_1_1linalg_1_1amg__precond.html">viennacl::linalg::amg_precond< MatrixT ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">AMG preconditioner class, can be supplied to <a class="el" href="namespaceviennacl_1_1linalg.html#a6e9b329b64ac782e6a5687ad2fc47a2a">solve()</a>-routines. <a href="classviennacl_1_1linalg_1_1amg__precond.html#details">More...</a><br/></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classviennacl_1_1linalg_1_1amg__precond_3_01compressed__matrix_3_01_numeric_t_00_01_alignment_v_01_4_01_4.html">viennacl::linalg::amg_precond< compressed_matrix< NumericT, AlignmentV > ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">AMG preconditioner class, can be supplied to <a class="el" href="namespaceviennacl_1_1linalg.html#a6e9b329b64ac782e6a5687ad2fc47a2a">solve()</a>-routines. <a href="classviennacl_1_1linalg_1_1amg__precond_3_01compressed__matrix_3_01_numeric_t_00_01_alignment_v_01_4_01_4.html#details">More...</a><br/></td></tr>
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<tr class="memdesc:namespaceviennacl"><td class="mdescLeft"> </td><td class="mdescRight">Main namespace in ViennaCL. Holds all the basic types such as vector, matrix, etc. and defines operations upon them. <br/></td></tr>
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<tr class="memdesc:namespaceviennacl_1_1linalg_1_1detail"><td class="mdescLeft"> </td><td class="mdescRight">Namespace holding implementation details for linear algebra routines. Usually not of interest for a library user. <br/></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:aec49e82ddd8b8588ba2d2048b4c063d4"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="amg_8hpp.html#aec49e82ddd8b8588ba2d2048b4c063d4">VIENNACL_AMG_MAX_LEVELS</a>   20</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:ad99081b48c19672cd03b8f5ca82a23d7"><td class="memTemplParams" colspan="2">template<typename NumericT > </td></tr>
<tr class="memitem:ad99081b48c19672cd03b8f5ca82a23d7"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceviennacl_1_1linalg_1_1detail.html#ad99081b48c19672cd03b8f5ca82a23d7">viennacl::linalg::detail::amg_galerkin_prod</a> (compressed_matrix< <a class="el" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> > &A_fine, compressed_matrix< <a class="el" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> > &P, compressed_matrix< <a class="el" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> > &R, compressed_matrix< <a class="el" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> > &A_coarse)</td></tr>
<tr class="memdesc:ad99081b48c19672cd03b8f5ca82a23d7"><td class="mdescLeft"> </td><td class="mdescRight">Sparse Galerkin product: Calculates A_coarse = trans(P)*A_fine*P = R*A_fine*P. <a href="#ad99081b48c19672cd03b8f5ca82a23d7">More...</a><br/></td></tr>
<tr class="separator:ad99081b48c19672cd03b8f5ca82a23d7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af7b9c200aae8697ad72e84383ea41235"><td class="memTemplParams" colspan="2">template<typename NumericT , typename AMGContextListT > </td></tr>
<tr class="memitem:af7b9c200aae8697ad72e84383ea41235"><td class="memTemplItemLeft" align="right" valign="top">vcl_size_t </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceviennacl_1_1linalg_1_1detail.html#af7b9c200aae8697ad72e84383ea41235">viennacl::linalg::detail::amg_setup</a> (std::vector< compressed_matrix< <a class="el" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> > > &list_of_A, std::vector< compressed_matrix< <a class="el" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> > > &list_of_P, std::vector< compressed_matrix< <a class="el" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> > > &list_of_R, AMGContextListT &list_of_amg_level_context, amg_tag &tag)</td></tr>
<tr class="memdesc:af7b9c200aae8697ad72e84383ea41235"><td class="mdescLeft"> </td><td class="mdescRight">Setup AMG preconditioner. <a href="#af7b9c200aae8697ad72e84383ea41235">More...</a><br/></td></tr>
<tr class="separator:af7b9c200aae8697ad72e84383ea41235"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a178fed3977c23a15411a659d3884f07a"><td class="memTemplParams" colspan="2">template<typename MatrixT , typename InternalT1 , typename InternalT2 > </td></tr>
<tr class="memitem:a178fed3977c23a15411a659d3884f07a"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceviennacl_1_1linalg_1_1detail.html#a178fed3977c23a15411a659d3884f07a">viennacl::linalg::detail::amg_init</a> (MatrixT const &mat, InternalT1 &list_of_A, InternalT1 &list_of_P, InternalT1 &list_of_R, InternalT2 &list_of_amg_level_context, amg_tag &tag)</td></tr>
<tr class="memdesc:a178fed3977c23a15411a659d3884f07a"><td class="mdescLeft"> </td><td class="mdescRight">Initialize AMG preconditioner. <a href="#a178fed3977c23a15411a659d3884f07a">More...</a><br/></td></tr>
<tr class="separator:a178fed3977c23a15411a659d3884f07a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1c1a1f8971b25ae6622b7b8e50e728d8"><td class="memTemplParams" colspan="2">template<typename InternalVectorT , typename SparseMatrixT > </td></tr>
<tr class="memitem:a1c1a1f8971b25ae6622b7b8e50e728d8"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceviennacl_1_1linalg_1_1detail.html#a1c1a1f8971b25ae6622b7b8e50e728d8">viennacl::linalg::detail::amg_setup_apply</a> (InternalVectorT &result, InternalVectorT &result_backup, InternalVectorT &rhs, InternalVectorT &residual, SparseMatrixT const &A, vcl_size_t coarse_levels, amg_tag const &tag)</td></tr>
<tr class="memdesc:a1c1a1f8971b25ae6622b7b8e50e728d8"><td class="mdescLeft"> </td><td class="mdescRight">Setup data structures for precondition phase for later use on the GPU. <a href="#a1c1a1f8971b25ae6622b7b8e50e728d8">More...</a><br/></td></tr>
<tr class="separator:a1c1a1f8971b25ae6622b7b8e50e728d8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8304f0ec7b9d0417a342aaed81431835"><td class="memTemplParams" colspan="2">template<typename NumericT , typename SparseMatrixT > </td></tr>
<tr class="memitem:a8304f0ec7b9d0417a342aaed81431835"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceviennacl_1_1linalg_1_1detail.html#a8304f0ec7b9d0417a342aaed81431835">viennacl::linalg::detail::amg_lu</a> (<a class="el" href="classviennacl_1_1matrix.html">viennacl::matrix</a>< <a class="el" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> > &op, SparseMatrixT const &A, amg_tag const &tag)</td></tr>
<tr class="memdesc:a8304f0ec7b9d0417a342aaed81431835"><td class="mdescLeft"> </td><td class="mdescRight">Pre-compute LU factorization for direct solve (ublas library). <a href="#a8304f0ec7b9d0417a342aaed81431835">More...</a><br/></td></tr>
<tr class="separator:a8304f0ec7b9d0417a342aaed81431835"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Main include file for algebraic multigrid (AMG) preconditioners. Experimental. </p>
<p>Implementation contributed by Markus Wagner </p>
<p>Definition in file <a class="el" href="amg_8hpp_source.html">amg.hpp</a>.</p>
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<td class="memname">#define VIENNACL_AMG_MAX_LEVELS   20</td>
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<p>Definition at line <a class="el" href="amg_8hpp_source.html#l00048">48</a> of file <a class="el" href="amg_8hpp_source.html">amg.hpp</a>.</p>
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