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<div class="title">cuthill_mckee.hpp File Reference</div> </div>
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<p>Implementation of several flavors of the Cuthill-McKee algorithm. Experimental.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include <iostream></code><br/>
<code>#include <iterator></code><br/>
<code>#include <fstream></code><br/>
<code>#include <string></code><br/>
<code>#include <algorithm></code><br/>
<code>#include <map></code><br/>
<code>#include <vector></code><br/>
<code>#include <deque></code><br/>
<code>#include <cmath></code><br/>
<code>#include "<a class="el" href="forwards_8h_source.html">viennacl/forwards.h</a>"</code><br/>
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<p><a href="cuthill__mckee_8hpp_source.html">Go to the source code of this file.</a></p>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structviennacl_1_1cuthill__mckee__tag.html">viennacl::cuthill_mckee_tag</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A tag class for selecting the Cuthill-McKee algorithm for reducing the bandwidth of a sparse matrix. <a href="structviennacl_1_1cuthill__mckee__tag.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classviennacl_1_1advanced__cuthill__mckee__tag.html">viennacl::advanced_cuthill_mckee_tag</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Tag for the advanced Cuthill-McKee algorithm (i.e. running the 'standard' Cuthill-McKee algorithm for a couple of different seeds). <a href="classviennacl_1_1advanced__cuthill__mckee__tag.html#details">More...</a><br/></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a91de3dbbe3f9a663fdbee15e1945fde2"><td class="memTemplParams" colspan="2">template<typename IndexT , typename ValueT > </td></tr>
<tr class="memitem:a91de3dbbe3f9a663fdbee15e1945fde2"><td class="memTemplItemLeft" align="right" valign="top">IndexT </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceviennacl_1_1detail.html#a91de3dbbe3f9a663fdbee15e1945fde2">viennacl::detail::calc_reordered_bw</a> (std::vector< std::map< IndexT, ValueT > > const &matrix, std::vector< bool > &dof_assigned_to_node, std::vector< IndexT > const &permutation)</td></tr>
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<tr class="memitem:a46b125c9e12a72a453f0ff2885d0eafe"><td class="memTemplParams" colspan="2">template<typename IndexT > </td></tr>
<tr class="memitem:a46b125c9e12a72a453f0ff2885d0eafe"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceviennacl_1_1detail.html#a46b125c9e12a72a453f0ff2885d0eafe">viennacl::detail::comb_inc</a> (std::vector< IndexT > &comb, vcl_size_t n)</td></tr>
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<tr class="memitem:a0368076ca5c74ec328c48924db5feeb8"><td class="memTemplParams" colspan="2">template<typename MatrixT , typename IndexT > </td></tr>
<tr class="memitem:a0368076ca5c74ec328c48924db5feeb8"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceviennacl_1_1detail.html#a0368076ca5c74ec328c48924db5feeb8">viennacl::detail::generate_layering</a> (MatrixT const &matrix, std::vector< std::vector< IndexT > > &layer_list)</td></tr>
<tr class="memdesc:a0368076ca5c74ec328c48924db5feeb8"><td class="mdescLeft"> </td><td class="mdescRight">Function to generate a node layering as a tree structure. <a href="#a0368076ca5c74ec328c48924db5feeb8">More...</a><br/></td></tr>
<tr class="separator:a0368076ca5c74ec328c48924db5feeb8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afc45d444ac8e66896ee5ba2b186a8510"><td class="memTemplParams" colspan="2">template<typename MatrixType > </td></tr>
<tr class="memitem:afc45d444ac8e66896ee5ba2b186a8510"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceviennacl_1_1detail.html#afc45d444ac8e66896ee5ba2b186a8510">viennacl::detail::generate_layering</a> (MatrixType const &matrix, std::vector< std::vector< int > > &l, int s)</td></tr>
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<tr class="memitem:a1196927ad66b47cf5826181369c472d0"><td class="memTemplParams" colspan="2">template<typename MatrixT , typename IndexT > </td></tr>
<tr class="memitem:a1196927ad66b47cf5826181369c472d0"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceviennacl_1_1detail.html#a1196927ad66b47cf5826181369c472d0">viennacl::detail::nodes_of_strongly_connected_component</a> (MatrixT const &matrix, std::vector< IndexT > &node_list)</td></tr>
<tr class="memdesc:a1196927ad66b47cf5826181369c472d0"><td class="mdescLeft"> </td><td class="mdescRight">Fills the provided nodelist with all nodes of the same strongly connected component as the nodes in the node_list. <a href="#a1196927ad66b47cf5826181369c472d0">More...</a><br/></td></tr>
<tr class="separator:a1196927ad66b47cf5826181369c472d0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af4e69f290073504270f69f75bece0924"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceviennacl_1_1detail.html#af4e69f290073504270f69f75bece0924">viennacl::detail::cuthill_mckee_comp_func</a> (std::vector< int > const &a, std::vector< int > const &b)</td></tr>
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<tr class="memitem:a633f2200739984a3b78ac3e02496da03"><td class="memTemplParams" colspan="2">template<typename IndexT > </td></tr>
<tr class="memitem:a633f2200739984a3b78ac3e02496da03"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceviennacl_1_1detail.html#a633f2200739984a3b78ac3e02496da03">viennacl::detail::cuthill_mckee_comp_func_pair</a> (std::pair< IndexT, IndexT > const &a, std::pair< IndexT, IndexT > const &b)</td></tr>
<tr class="separator:a633f2200739984a3b78ac3e02496da03"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aeeba1f9a93970b70dbdf8eced30e167d"><td class="memTemplParams" colspan="2">template<typename IndexT , typename ValueT > </td></tr>
<tr class="memitem:aeeba1f9a93970b70dbdf8eced30e167d"><td class="memTemplItemLeft" align="right" valign="top">vcl_size_t </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceviennacl_1_1detail.html#aeeba1f9a93970b70dbdf8eced30e167d">viennacl::detail::cuthill_mckee_on_strongly_connected_component</a> (std::vector< std::map< IndexT, ValueT > > const &matrix, std::deque< IndexT > &node_assignment_queue, std::vector< bool > &dof_assigned_to_node, std::vector< IndexT > &permutation, vcl_size_t current_dof)</td></tr>
<tr class="memdesc:aeeba1f9a93970b70dbdf8eced30e167d"><td class="mdescLeft"> </td><td class="mdescRight">Runs the Cuthill-McKee algorithm on a strongly connected component of a graph. <a href="#aeeba1f9a93970b70dbdf8eced30e167d">More...</a><br/></td></tr>
<tr class="separator:aeeba1f9a93970b70dbdf8eced30e167d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af22338e452cee008bee5e38070ddc611"><td class="memTemplParams" colspan="2">template<typename IndexT , typename ValueT > </td></tr>
<tr class="memitem:af22338e452cee008bee5e38070ddc611"><td class="memTemplItemLeft" align="right" valign="top">std::vector< IndexT > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceviennacl.html#af22338e452cee008bee5e38070ddc611">viennacl::reorder</a> (std::vector< std::map< IndexT, ValueT > > const &matrix, cuthill_mckee_tag)</td></tr>
<tr class="memdesc:af22338e452cee008bee5e38070ddc611"><td class="mdescLeft"> </td><td class="mdescRight">Function for the calculation of a node number permutation to reduce the bandwidth of an incidence matrix by the Cuthill-McKee algorithm. <a href="#af22338e452cee008bee5e38070ddc611">More...</a><br/></td></tr>
<tr class="separator:af22338e452cee008bee5e38070ddc611"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a032f691cd245d13b51b951f8a10825f3"><td class="memTemplParams" colspan="2">template<typename IndexT , typename ValueT > </td></tr>
<tr class="memitem:a032f691cd245d13b51b951f8a10825f3"><td class="memTemplItemLeft" align="right" valign="top">std::vector< IndexT > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceviennacl.html#a032f691cd245d13b51b951f8a10825f3">viennacl::reorder</a> (std::vector< std::map< IndexT, ValueT > > const &matrix, advanced_cuthill_mckee_tag const &tag)</td></tr>
<tr class="memdesc:a032f691cd245d13b51b951f8a10825f3"><td class="mdescLeft"> </td><td class="mdescRight">Function for the calculation of a node number permutation to reduce the bandwidth of an incidence matrix by the advanced Cuthill-McKee algorithm. <a href="#a032f691cd245d13b51b951f8a10825f3">More...</a><br/></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Implementation of several flavors of the Cuthill-McKee algorithm. Experimental. </p>
<p>Contributed by Philipp Grabenweger, interface adjustments and performance tweaks by Karl Rupp. </p>
<p>Definition in file <a class="el" href="cuthill__mckee_8hpp_source.html">cuthill_mckee.hpp</a>.</p>
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