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<?xml version='1.0' encoding='UTF-8' standalone='no'?>
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<codeline lineno="6"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="solver_2preconditioner_2computations_2physical__blocks_8hpp" kindref="compound">serif/backend/mfem/solver/preconditioner/computations/physical_blocks.hpp</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="7"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="backend_2mfem_2solver_2preconditioner_2inverse_2diagonal_8hpp" kindref="compound">serif/backend/mfem/solver/preconditioner/inverse/diagonal.hpp</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="8"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="backend_2mfem_2solver_2preconditioner_2inverse_2dense_8hpp" kindref="compound">serif/backend/mfem/solver/preconditioner/inverse/dense.hpp</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="9"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="amg_8hpp" kindref="compound">serif/backend/mfem/solver/preconditioner/inverse/amg.hpp</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="10"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="backend_2mfem_2solver_2preconditioner_2inverse_2sparse__direct_8hpp" kindref="compound">serif/backend/mfem/solver/preconditioner/inverse/sparse_direct.hpp</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="11"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="solver_2preconditioner_2strategies_2inverse_2diagonal_8hpp" kindref="compound">serif/solver/preconditioner/strategies/inverse/diagonal.hpp</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="12"><highlight class="normal"></highlight></codeline>
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<codeline lineno="14"><highlight class="normal">{</highlight></codeline>
<codeline lineno="16"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">template</highlight><highlight class="normal"><sp/>&lt;</highlight><highlight class="keyword">typename</highlight><highlight class="normal"><sp/>Strategy&gt;</highlight></codeline>
<codeline lineno="17"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal"><sp/><ref refid="namespaceserif_1_1solver_1_1preconditioner_1_1computations_1afc4d578568cdd7687de4cf6ec35e1a7a" kindref="member">needs_diagonal</ref><sp/>=<sp/>std::same_as&lt;Strategy,<sp/>strategies::inverse::Diagonal&gt;;</highlight></codeline>
<codeline lineno="18"><highlight class="normal"></highlight></codeline>
<codeline lineno="20"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">template</highlight><highlight class="normal"><sp/>&lt;</highlight><highlight class="keyword">typename</highlight><highlight class="normal"><sp/>Strategy&gt;</highlight></codeline>
<codeline lineno="21"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal"><sp/><ref refid="namespaceserif_1_1solver_1_1preconditioner_1_1computations_1a7ba4b3dda292223071f5125eb3bc373c" kindref="member">needs_matrix</ref><sp/>=<sp/>std::same_as&lt;Strategy,<sp/>strategies::inverse::DenseDirect&gt;<sp/>||<sp/>std::same_as&lt;Strategy,<sp/>strategies::inverse::FixedAMG&gt;<sp/>||</highlight></codeline>
<codeline lineno="22"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>std::same_as&lt;Strategy,<sp/>strategies::inverse::SparseDirect&gt;;</highlight></codeline>
<codeline lineno="23"><highlight class="normal"></highlight></codeline>
<codeline lineno="25"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">template</highlight><highlight class="normal"><sp/>&lt;</highlight><highlight class="keyword">typename</highlight><highlight class="normal"><sp/>Strategy&gt;</highlight></codeline>
<codeline lineno="26"><highlight class="normal"><sp/><sp/><sp/><sp/>[[nodiscard]]<sp/>std::expected&lt;backend::mfem::Inverse,<sp/>Failure&gt;<sp/><ref refid="namespaceserif_1_1solver_1_1preconditioner_1_1computations_1a11cc41ea1cdbb6deaee475a3b93fd01e" kindref="member">invert_matrix</ref>(std::shared_ptr&lt;const<sp/>::mfem::SparseMatrix&gt;<sp/>matrix,<sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>Strategy&amp;<sp/>strategy)</highlight></codeline>
<codeline lineno="27"><highlight class="normal"><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="28"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">using<sp/>namespace<sp/></highlight><highlight class="normal">backend::mfem;</highlight></codeline>
<codeline lineno="29"><highlight class="normal"></highlight></codeline>
<codeline lineno="30"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/>(std::same_as&lt;Strategy,<sp/>strategies::inverse::DenseDirect&gt;)</highlight></codeline>
<codeline lineno="31"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="32"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>::mfem::DenseMatrix<sp/><ref refid="namespaceserif_1_1discretization_1_1backend_1_1mfem_1a24da3fc8af225640b2d32c378ef40cdea0eccef1fe0100f85b12e6eabe08eaff6" kindref="member">dense</ref>;</highlight></codeline>
<codeline lineno="33"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>matrix-&gt;ToDenseMatrix(dense);</highlight></codeline>
<codeline lineno="34"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="namespaceserif_1_1solver_1_1preconditioner_1_1backend_1_1mfem_1ae03e4167f7b869570bf9bf858e567491" kindref="member">try_dense_inverse</ref>(dense,<sp/>strategy);</highlight></codeline>
<codeline lineno="35"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="36"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/>(std::same_as&lt;Strategy,<sp/>strategies::inverse::SparseDirect&gt;)</highlight></codeline>
<codeline lineno="37"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="38"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="namespaceserif_1_1solver_1_1preconditioner_1_1backend_1_1mfem_1a2cf27343aba87fc167edd2f5bac2d79b" kindref="member">try_sparse_direct_inverse</ref>(std::move(matrix),<sp/>strategy);</highlight></codeline>
<codeline lineno="39"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="40"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="41"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="42"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="namespaceserif_1_1solver_1_1preconditioner_1_1backend_1_1mfem_1a93b06736f1aa8006a04b04059080bd34" kindref="member">try_amg_inverse</ref>(std::move(matrix),<sp/>strategy);</highlight></codeline>
<codeline lineno="43"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="44"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="45"><highlight class="normal"></highlight></codeline>
<codeline lineno="47"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">template</highlight><highlight class="normal"><sp/>&lt;</highlight><highlight class="keyword">typename</highlight><highlight class="normal"><sp/>Row,<sp/></highlight><highlight class="keyword">typename</highlight><highlight class="normal"><sp/>Field,<sp/></highlight><highlight class="keyword">typename</highlight><highlight class="normal"><sp/>Strategy&gt;</highlight></codeline>
<codeline lineno="48"><highlight class="normal"><sp/><sp/><sp/><sp/>[[nodiscard]]<sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/><ref refid="namespaceserif_1_1solver_1_1preconditioner_1_1computations_1a4e68f4ddc06181dc9077cb41a6c795d5" kindref="member">inverse</ref>(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>BlockPreconditioner&lt;Row,<sp/>Field,<sp/>Strategy&gt;&amp;<sp/>choice)</highlight></codeline>
<codeline lineno="49"><highlight class="normal"><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="50"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">using<sp/>namespace<sp/></highlight><highlight class="normal">utils::dependencies;</highlight></codeline>
<codeline lineno="51"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">using<sp/></highlight><highlight class="normal">Recipe<sp/>=<sp/>BlockPreconditioner&lt;Row,<sp/>Field,<sp/>Strategy&gt;;</highlight></codeline>
<codeline lineno="52"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">using<sp/></highlight><highlight class="normal"><ref refid="namespaceserif_1_1model_1_1checks_1a68a6e5b462c5a29e862b40d6e6ddb977" kindref="member">Rows</ref><sp/>=<sp/></highlight><highlight class="keyword">typename</highlight><highlight class="normal"><sp/>Recipe::Rows;</highlight></codeline>
<codeline lineno="53"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">using<sp/></highlight><highlight class="normal"><ref refid="namespaceserif_1_1model_1_1checks_1a64f7be84d64cb0d2bd45448160d2be00" kindref="member">Values</ref><sp/>=<sp/></highlight><highlight class="keyword">typename</highlight><highlight class="normal"><sp/>Recipe::Values;</highlight></codeline>
<codeline lineno="54"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">using<sp/></highlight><highlight class="normal"><ref refid="namespaceserif_1_1solver_1_1preconditioner_1_1keys_1a6a6b108a08f58e38cc0c85f2edcb09f9" kindref="member">Block</ref><sp/>=<sp/>operators::backend::mfem::LinearizedBlock;</highlight></codeline>
<codeline lineno="55"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">using<sp/></highlight><highlight class="normal"><ref refid="namespaceserif_1_1utils_1_1serialize_1ace9e0af29889a767ef1c95a09a4b7265" kindref="member">Result</ref><sp/>=<sp/>backend::mfem::Inverse;</highlight></codeline>
<codeline lineno="56"><highlight class="normal"></highlight></codeline>
<codeline lineno="57"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/>(std::same_as&lt;Strategy,<sp/>strategies::inverse::Diagonal&gt;)</highlight></codeline>
<codeline lineno="58"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="59"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>make_computation&lt;typename<sp/>Recipe::Result,<sp/>InputList&lt;keys::Diagonal&lt;Rows,<sp/>Values&gt;&gt;&gt;(</highlight></codeline>
<codeline lineno="60"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>[](</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::vector&lt;double&gt;&amp;<sp/>diagonal)</highlight></codeline>
<codeline lineno="61"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="62"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="namespaceserif_1_1solver_1_1preconditioner_1_1backend_1_1mfem_1a7ef085da7f588183a15325cdcf5b3c9e" kindref="member">backend::mfem::try_diagonal_inverse</ref>(diagonal);</highlight></codeline>
<codeline lineno="63"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>});</highlight></codeline>
<codeline lineno="64"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="65"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/>(std::same_as&lt;Strategy,<sp/>strategies::inverse::SparseDirect&gt;)</highlight></codeline>
<codeline lineno="66"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="67"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>The<sp/>computation<sp/>lives<sp/>as<sp/>long<sp/>as<sp/>the<sp/>preconditioner,<sp/>so<sp/>Newton<sp/>steps<sp/>share<sp/>one<sp/>symbolic<sp/>analysis.</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="68"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>make_computation&lt;typename<sp/>Recipe::Result,<sp/>InputList&lt;keys::Matrix&lt;Rows,<sp/>Values&gt;&gt;&gt;(</highlight></codeline>
<codeline lineno="69"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>[strategy<sp/>=<sp/>choice.inverse,<sp/>cache<sp/>=<sp/>std::make_shared&lt;backend::mfem::SparseDirectCache&gt;()](</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::shared_ptr&lt;const<sp/>::mfem::SparseMatrix&gt;&amp;<sp/>matrix)</highlight></codeline>
<codeline lineno="70"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="71"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="namespaceserif_1_1solver_1_1preconditioner_1_1backend_1_1mfem_1a2cf27343aba87fc167edd2f5bac2d79b" kindref="member">backend::mfem::try_sparse_direct_inverse</ref>(matrix,<sp/>strategy,<sp/>cache.get());</highlight></codeline>
<codeline lineno="72"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>});</highlight></codeline>
<codeline lineno="73"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="74"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/>(<ref refid="namespaceserif_1_1solver_1_1preconditioner_1_1computations_1a7ba4b3dda292223071f5125eb3bc373c" kindref="member">needs_matrix&lt;Strategy&gt;</ref>)</highlight></codeline>
<codeline lineno="75"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="76"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>make_computation&lt;typename<sp/>Recipe::Result,<sp/>InputList&lt;keys::Matrix&lt;Rows,<sp/>Values&gt;&gt;&gt;(</highlight></codeline>
<codeline lineno="77"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>[strategy<sp/>=<sp/>choice.inverse](</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::shared_ptr&lt;const<sp/>::mfem::SparseMatrix&gt;&amp;<sp/>matrix)</highlight></codeline>
<codeline lineno="78"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="79"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="namespaceserif_1_1solver_1_1preconditioner_1_1computations_1a11cc41ea1cdbb6deaee475a3b93fd01e" kindref="member">invert_matrix</ref>(matrix,<sp/>strategy);</highlight></codeline>
<codeline lineno="80"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>});</highlight></codeline>
<codeline lineno="81"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="82"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="83"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="84"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>make_computation&lt;typename<sp/>Recipe::Result,<sp/>InputList&lt;keys::Block&lt;Rows,<sp/>Values&gt;&gt;&gt;(</highlight></codeline>
<codeline lineno="85"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>[strategy<sp/>=<sp/>choice.inverse](</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="namespaceserif_1_1solver_1_1preconditioner_1_1keys_1a6a6b108a08f58e38cc0c85f2edcb09f9" kindref="member">Block</ref>&amp;<sp/>block)<sp/>-&gt;<sp/>std::expected&lt;Result,<sp/>Failure&gt;</highlight></codeline>
<codeline lineno="86"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="87"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">using<sp/>namespace<sp/></highlight><highlight class="normal">utils::errors;</highlight></codeline>
<codeline lineno="88"><highlight class="normal"></highlight></codeline>
<codeline lineno="89"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>result<sp/>=<sp/>strategy.try_inverse(block);</highlight></codeline>
<codeline lineno="90"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(!result)</highlight></codeline>
<codeline lineno="91"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="92"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>result;</highlight></codeline>
<codeline lineno="93"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="94"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(!result-&gt;action)</highlight></codeline>
<codeline lineno="95"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="96"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>std::unexpected(Failure{SERiFErrorCode::PRECONDITIONER_INVALID_OPERATOR,</highlight></codeline>
<codeline lineno="97"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>format_error_message&lt;SERiFErrorCode::PRECONDITIONER_INVALID_OPERATOR&gt;(</highlight><highlight class="stringliteral">&quot;A<sp/>custom<sp/>inverse<sp/>returned<sp/>no<sp/>action.<sp/>Return<sp/>an<sp/>owned<sp/>inverse<sp/>for<sp/>the<sp/>selected<sp/>physical<sp/>block<sp/>or<sp/>a<sp/>preparation<sp/>failure.&quot;</highlight><highlight class="normal">)});</highlight></codeline>
<codeline lineno="98"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="99"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(result-&gt;action-&gt;Height()<sp/>!=<sp/>block.action()-&gt;Width()<sp/>||<sp/>result-&gt;action-&gt;Width()<sp/>!=<sp/>block.action()-&gt;Height())</highlight></codeline>
<codeline lineno="100"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="101"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>std::unexpected(Failure{SERiFErrorCode::PRECONDITIONER_SIZE_MISMATCH,</highlight></codeline>
<codeline lineno="102"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>format_error_message&lt;SERiFErrorCode::PRECONDITIONER_SIZE_MISMATCH&gt;(</highlight><highlight class="stringliteral">&quot;A<sp/>custom<sp/>inverse<sp/>must<sp/>reverse<sp/>the<sp/>dimensions<sp/>of<sp/>its<sp/>selected<sp/>physical<sp/>block.<sp/>Return<sp/>the<sp/>inverse<sp/>in<sp/>that<sp/>block&apos;s<sp/>declared<sp/>equation<sp/>and<sp/>unknown<sp/>coordinates.&quot;</highlight><highlight class="normal">)});</highlight></codeline>
<codeline lineno="103"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="104"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(result-&gt;contract<sp/>!=<sp/><ref refid="namespaceserif_1_1solver_1_1preconditioner_1aa7f59af2cd4988b0904ebc5b7b575a53ac69606d8690b52527aaa940e729c420a" kindref="member">ApplicationContract::fixed_linear</ref><sp/>&amp;&amp;<sp/>result-&gt;contract<sp/>!=<sp/><ref refid="namespaceserif_1_1solver_1_1preconditioner_1aa7f59af2cd4988b0904ebc5b7b575a53ae04aa5104d082e4a51d241391941ba26" kindref="member">ApplicationContract::variable</ref>)</highlight></codeline>
<codeline lineno="105"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>{</highlight></codeline>
<codeline lineno="106"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>std::unexpected(Failure{SERiFErrorCode::PRECONDITIONER_INVALID_OPTIONS,</highlight></codeline>
<codeline lineno="107"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>format_error_message&lt;SERiFErrorCode::PRECONDITIONER_INVALID_OPTIONS&gt;(</highlight><highlight class="stringliteral">&quot;A<sp/>custom<sp/>inverse<sp/>must<sp/>declare<sp/>fixed-linear<sp/>or<sp/>variable<sp/>application.<sp/>Select<sp/>the<sp/>contract<sp/>required<sp/>by<sp/>its<sp/>numerical<sp/>algorithm.&quot;</highlight><highlight class="normal">)});</highlight></codeline>
<codeline lineno="108"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="109"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>result;</highlight></codeline>
<codeline lineno="110"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>});</highlight></codeline>
<codeline lineno="111"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="112"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="113"><highlight class="normal">}<sp/></highlight><highlight class="comment">//<sp/>namespace<sp/>serif::solver::preconditioner::computations</highlight><highlight class="normal"></highlight></codeline>
</programlisting>
<location file="src/include/serif/backend/mfem/solver/preconditioner/computations/inverse.hpp"/>
</compounddef>
</doxygen>