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<h1>SRC/colamd.h File Reference</h1>Colamd prototypes and definitions. <a href="#_details">More...</a>
<p>
<code>#include &lt;stdlib.h&gt;</code><br>
 
<p>
<a href="colamd_8h-source.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Data Structures</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">struct &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structColamd__Col__struct.html">Colamd_Col_struct</a></td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">struct &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structColamd__Row__struct.html">Colamd_Row_struct</a></td></tr>
 
<tr><td colspan="2"><br><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#e92bb10d09f7cd004f07d1baddf90548">COLAMD_KNOBS</a>&nbsp;&nbsp;&nbsp;20</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#411703fc0a994b83ec0e00df1abfc0f7">COLAMD_STATS</a>&nbsp;&nbsp;&nbsp;20</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#45a417439d08823fa620ca00d834dd61">COLAMD_DENSE_ROW</a>&nbsp;&nbsp;&nbsp;0</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#f92de54efdec91d7ab64e7bec07eb12c">COLAMD_DENSE_COL</a>&nbsp;&nbsp;&nbsp;1</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#babfabfa19364ec563aa9c15bcc9714e">COLAMD_DEFRAG_COUNT</a>&nbsp;&nbsp;&nbsp;2</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#6a4201ce55dfa3a6375b90097e8c747e">COLAMD_STATUS</a>&nbsp;&nbsp;&nbsp;3</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#569d56a773011e0b4e465b3f5830e80b">COLAMD_INFO1</a>&nbsp;&nbsp;&nbsp;4</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#2161fd78bbd688f943250d1d7583284b">COLAMD_INFO2</a>&nbsp;&nbsp;&nbsp;5</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#15d83814c573d742764ff83e9d1d67fc">COLAMD_INFO3</a>&nbsp;&nbsp;&nbsp;6</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#a754fd30d924c5c8d2d402fa0a482d72">COLAMD_OK</a>&nbsp;&nbsp;&nbsp;(0)</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#c0d7f3882e6e9e39527aa2195dd23789">COLAMD_OK_BUT_JUMBLED</a>&nbsp;&nbsp;&nbsp;(1)</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#2347fb9e509c8bf9b97a50f96dea281c">COLAMD_ERROR_A_not_present</a>&nbsp;&nbsp;&nbsp;(-1)</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#51d3f9714a4cb80c0f54dea5d0c5f95f">COLAMD_ERROR_p_not_present</a>&nbsp;&nbsp;&nbsp;(-2)</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#8e848cfde5cdf42fcb316695305f8002">COLAMD_ERROR_nrow_negative</a>&nbsp;&nbsp;&nbsp;(-3)</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#2feedddbe535286cbea9eca9fca91f45">COLAMD_ERROR_ncol_negative</a>&nbsp;&nbsp;&nbsp;(-4)</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#7147ea7a9d673f17ef856e9914f90c81">COLAMD_ERROR_nnz_negative</a>&nbsp;&nbsp;&nbsp;(-5)</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#58b5d911cc825b4334ade136bad3afd3">COLAMD_ERROR_p0_nonzero</a>&nbsp;&nbsp;&nbsp;(-6)</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#323108d44db4186fad5a2066139f70b7">COLAMD_ERROR_A_too_small</a>&nbsp;&nbsp;&nbsp;(-7)</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#3b6df4a489ed0c7de8ad12251cdac5d6">COLAMD_ERROR_col_length_negative</a>&nbsp;&nbsp;&nbsp;(-8)</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#0559e0ff07deab1841e7aaee8cde51e6">COLAMD_ERROR_row_index_out_of_bounds</a>&nbsp;&nbsp;&nbsp;(-9)</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#703f11265b521c931cdd44709d141fca">COLAMD_ERROR_out_of_memory</a>&nbsp;&nbsp;&nbsp;(-10)</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#e97b9ba07b455e4ce07c53a4d71c1169">COLAMD_ERROR_internal_error</a>&nbsp;&nbsp;&nbsp;(-999)</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#339fb9b07ed315667cc4542c15116c83">COLAMD_C</a>(n_col)&nbsp;&nbsp;&nbsp;((int) (((n_col) + 1) * sizeof (<a class="el" href="structColamd__Col__struct.html">Colamd_Col</a>) / sizeof (int)))</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#52e8a8827c11d9c2a1f1b87e09bc8dc0">COLAMD_R</a>(n_row)&nbsp;&nbsp;&nbsp;((int) (((n_row) + 1) * sizeof (<a class="el" href="structColamd__Row__struct.html">Colamd_Row</a>) / sizeof (int)))</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#a6980d68bd04f7567d7d0bd40b244c2f">COLAMD_RECOMMENDED</a>(nnz, n_row, n_col)</td></tr>
 
<tr><td colspan="2"><br><h2>Typedefs</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef struct <a class="el" href="structColamd__Col__struct.html">Colamd_Col_struct</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#059db10cdebbb878b50bfcd2e023315a">Colamd_Col</a></td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef struct <a class="el" href="structColamd__Row__struct.html">Colamd_Row_struct</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#8a1ceeb79ebba705abb1d27469f4a358">Colamd_Row</a></td></tr>
 
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#9b48c9b9eb5dce7e9ca42174208b1015">colamd_recommended</a> (int nnz, int n_row, int n_col)</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#e582ce20a46b5ef39434acb9d66fe2ca">colamd_set_defaults</a> (double knobs[COLAMD_KNOBS])</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#f5cec4b6391e4c20abfaa6da39975bca">colamd</a> (int n_row, int n_col, int Alen, int <a class="el" href="ilu__zdrop__row_8c.html#c900805a486cbb8489e3c176ed6e0d8e">A</a>[], int p[], double knobs[COLAMD_KNOBS], int stats[COLAMD_STATS])</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#e3d0175d1cb36f6cb16dfe96bbf946a3">symamd</a> (int n, int <a class="el" href="ilu__zdrop__row_8c.html#c900805a486cbb8489e3c176ed6e0d8e">A</a>[], int p[], int perm[], double knobs[COLAMD_KNOBS], int stats[COLAMD_STATS], void *(*allocate)(size_t, size_t), void(*release)(void *))</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#7cfa2e07413d0bc9489f10ac881faa51">colamd_report</a> (int stats[COLAMD_STATS])</td></tr>
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="colamd_8h.html#948750692c453eb36edc5b77a670ec54">symamd_report</a> (int stats[COLAMD_STATS])</td></tr>
 
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
<pre> 
    ==========================================================================
    === colamd/symamd prototypes and definitions =============================
    ==========================================================================</pre><p>
<pre>    You must include this file (<a class="el" href="colamd_8h.html" title="Colamd prototypes and definitions.">colamd.h</a>) in any routine that uses colamd,
    symamd, or the related macros and definitions.</pre><p>
<pre>    Authors:</pre><p>
<pre>	The authors of the code itself are Stefan I. Larimore and Timothy A.
	Davis (<a href="mailto:davis@cise.ufl.edu">davis@cise.ufl.edu</a>), University of Florida.  The algorithm was
	developed in collaboration with John Gilbert, Xerox PARC, and Esmond
	Ng, Oak Ridge National Laboratory.</pre><p>
<pre>    Date:</pre><p>
<pre>	September 8, 2003.  Version 2.3.</pre><p>
<pre>    Acknowledgements:</pre><p>
<pre>	This work was supported by the National Science Foundation, under
	grants DMS-9504974 and DMS-9803599.</pre><p>
<pre>    Notice:</pre><p>
<pre>	Copyright (c) 1998-2003 by the University of Florida.
	All Rights Reserved.</pre><p>
<pre>	THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY
	EXPRESSED OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.</pre><p>
<pre>	Permission is hereby granted to use, copy, modify, and/or distribute
	this program, provided that the Copyright, this License, and the
	Availability of the original version is retained on all copies and made
	accessible to the end-user of any code or package that includes COLAMD
	or any modified version of COLAMD.</pre><p>
<pre>    Availability:</pre><p>
<pre>	The colamd/symamd library is available at</pre><p>
<pre>	    <a href="http://www.cise.ufl.edu/research/sparse/colamd/">http://www.cise.ufl.edu/research/sparse/colamd/</a></pre><p>
<pre>	This is the <a href="http://www.cise.ufl.edu/research/sparse/colamd/colamd.h">http://www.cise.ufl.edu/research/sparse/colamd/colamd.h</a>
	file.  It is required by the <a class="el" href="colamd_8c.html" title="A sparse matrix column ordering algorithm.">colamd.c</a>, colamdmex.c, and symamdmex.c
	files, and by any C code that calls the routines whose prototypes are
	listed below, or that uses the colamd/symamd definitions listed below.
 </pre> <hr><h2>Define Documentation</h2>
<a class="anchor" name="339fb9b07ed315667cc4542c15116c83"></a><!-- doxytag: member="colamd.h::COLAMD_C" ref="339fb9b07ed315667cc4542c15116c83" args="(n_col)" -->
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          <td class="memname">#define COLAMD_C          </td>
          <td>(</td>
          <td class="paramtype">n_col&nbsp;</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%">&nbsp;&nbsp;&nbsp;((int) (((n_col) + 1) * sizeof (<a class="el" href="structColamd__Col__struct.html">Colamd_Col</a>) / sizeof (int)))</td>
        </tr>
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<p>
 
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<a class="anchor" name="babfabfa19364ec563aa9c15bcc9714e"></a><!-- doxytag: member="colamd.h::COLAMD_DEFRAG_COUNT" ref="babfabfa19364ec563aa9c15bcc9714e" args="" -->
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          <td class="memname">#define COLAMD_DEFRAG_COUNT&nbsp;&nbsp;&nbsp;2          </td>
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<a class="anchor" name="f92de54efdec91d7ab64e7bec07eb12c"></a><!-- doxytag: member="colamd.h::COLAMD_DENSE_COL" ref="f92de54efdec91d7ab64e7bec07eb12c" args="" -->
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          <td class="memname">#define COLAMD_DENSE_COL&nbsp;&nbsp;&nbsp;1          </td>
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<a class="anchor" name="45a417439d08823fa620ca00d834dd61"></a><!-- doxytag: member="colamd.h::COLAMD_DENSE_ROW" ref="45a417439d08823fa620ca00d834dd61" args="" -->
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          <td class="memname">#define COLAMD_DENSE_ROW&nbsp;&nbsp;&nbsp;0          </td>
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<a class="anchor" name="2347fb9e509c8bf9b97a50f96dea281c"></a><!-- doxytag: member="colamd.h::COLAMD_ERROR_A_not_present" ref="2347fb9e509c8bf9b97a50f96dea281c" args="" -->
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          <td class="memname">#define COLAMD_ERROR_A_not_present&nbsp;&nbsp;&nbsp;(-1)          </td>
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<a class="anchor" name="323108d44db4186fad5a2066139f70b7"></a><!-- doxytag: member="colamd.h::COLAMD_ERROR_A_too_small" ref="323108d44db4186fad5a2066139f70b7" args="" -->
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          <td class="memname">#define COLAMD_ERROR_A_too_small&nbsp;&nbsp;&nbsp;(-7)          </td>
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<a class="anchor" name="3b6df4a489ed0c7de8ad12251cdac5d6"></a><!-- doxytag: member="colamd.h::COLAMD_ERROR_col_length_negative" ref="3b6df4a489ed0c7de8ad12251cdac5d6" args="" -->
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          <td class="memname">#define COLAMD_ERROR_col_length_negative&nbsp;&nbsp;&nbsp;(-8)          </td>
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<a class="anchor" name="e97b9ba07b455e4ce07c53a4d71c1169"></a><!-- doxytag: member="colamd.h::COLAMD_ERROR_internal_error" ref="e97b9ba07b455e4ce07c53a4d71c1169" args="" -->
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          <td class="memname">#define COLAMD_ERROR_internal_error&nbsp;&nbsp;&nbsp;(-999)          </td>
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<a class="anchor" name="2feedddbe535286cbea9eca9fca91f45"></a><!-- doxytag: member="colamd.h::COLAMD_ERROR_ncol_negative" ref="2feedddbe535286cbea9eca9fca91f45" args="" -->
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          <td class="memname">#define COLAMD_ERROR_ncol_negative&nbsp;&nbsp;&nbsp;(-4)          </td>
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<a class="anchor" name="7147ea7a9d673f17ef856e9914f90c81"></a><!-- doxytag: member="colamd.h::COLAMD_ERROR_nnz_negative" ref="7147ea7a9d673f17ef856e9914f90c81" args="" -->
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          <td class="memname">#define COLAMD_ERROR_nnz_negative&nbsp;&nbsp;&nbsp;(-5)          </td>
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<a class="anchor" name="8e848cfde5cdf42fcb316695305f8002"></a><!-- doxytag: member="colamd.h::COLAMD_ERROR_nrow_negative" ref="8e848cfde5cdf42fcb316695305f8002" args="" -->
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          <td class="memname">#define COLAMD_ERROR_nrow_negative&nbsp;&nbsp;&nbsp;(-3)          </td>
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<a class="anchor" name="703f11265b521c931cdd44709d141fca"></a><!-- doxytag: member="colamd.h::COLAMD_ERROR_out_of_memory" ref="703f11265b521c931cdd44709d141fca" args="" -->
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          <td class="memname">#define COLAMD_ERROR_out_of_memory&nbsp;&nbsp;&nbsp;(-10)          </td>
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<a class="anchor" name="58b5d911cc825b4334ade136bad3afd3"></a><!-- doxytag: member="colamd.h::COLAMD_ERROR_p0_nonzero" ref="58b5d911cc825b4334ade136bad3afd3" args="" -->
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          <td class="memname">#define COLAMD_ERROR_p0_nonzero&nbsp;&nbsp;&nbsp;(-6)          </td>
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<a class="anchor" name="51d3f9714a4cb80c0f54dea5d0c5f95f"></a><!-- doxytag: member="colamd.h::COLAMD_ERROR_p_not_present" ref="51d3f9714a4cb80c0f54dea5d0c5f95f" args="" -->
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          <td class="memname">#define COLAMD_ERROR_p_not_present&nbsp;&nbsp;&nbsp;(-2)          </td>
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<a class="anchor" name="0559e0ff07deab1841e7aaee8cde51e6"></a><!-- doxytag: member="colamd.h::COLAMD_ERROR_row_index_out_of_bounds" ref="0559e0ff07deab1841e7aaee8cde51e6" args="" -->
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          <td class="memname">#define COLAMD_ERROR_row_index_out_of_bounds&nbsp;&nbsp;&nbsp;(-9)          </td>
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<a class="anchor" name="569d56a773011e0b4e465b3f5830e80b"></a><!-- doxytag: member="colamd.h::COLAMD_INFO1" ref="569d56a773011e0b4e465b3f5830e80b" args="" -->
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          <td class="memname">#define COLAMD_INFO1&nbsp;&nbsp;&nbsp;4          </td>
        </tr>
      </table>
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<p>
 
</div>
</div><p>
<a class="anchor" name="2161fd78bbd688f943250d1d7583284b"></a><!-- doxytag: member="colamd.h::COLAMD_INFO2" ref="2161fd78bbd688f943250d1d7583284b" args="" -->
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          <td class="memname">#define COLAMD_INFO2&nbsp;&nbsp;&nbsp;5          </td>
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<p>
 
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<a class="anchor" name="15d83814c573d742764ff83e9d1d67fc"></a><!-- doxytag: member="colamd.h::COLAMD_INFO3" ref="15d83814c573d742764ff83e9d1d67fc" args="" -->
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          <td class="memname">#define COLAMD_INFO3&nbsp;&nbsp;&nbsp;6          </td>
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<p>
 
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<a class="anchor" name="e92bb10d09f7cd004f07d1baddf90548"></a><!-- doxytag: member="colamd.h::COLAMD_KNOBS" ref="e92bb10d09f7cd004f07d1baddf90548" args="" -->
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<div class="memproto">
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        <tr>
          <td class="memname">#define COLAMD_KNOBS&nbsp;&nbsp;&nbsp;20          </td>
        </tr>
      </table>
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<a class="anchor" name="a754fd30d924c5c8d2d402fa0a482d72"></a><!-- doxytag: member="colamd.h::COLAMD_OK" ref="a754fd30d924c5c8d2d402fa0a482d72" args="" -->
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          <td class="memname">#define COLAMD_OK&nbsp;&nbsp;&nbsp;(0)          </td>
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<p>
 
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<a class="anchor" name="c0d7f3882e6e9e39527aa2195dd23789"></a><!-- doxytag: member="colamd.h::COLAMD_OK_BUT_JUMBLED" ref="c0d7f3882e6e9e39527aa2195dd23789" args="" -->
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        <tr>
          <td class="memname">#define COLAMD_OK_BUT_JUMBLED&nbsp;&nbsp;&nbsp;(1)          </td>
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<p>
 
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</div><p>
<a class="anchor" name="52e8a8827c11d9c2a1f1b87e09bc8dc0"></a><!-- doxytag: member="colamd.h::COLAMD_R" ref="52e8a8827c11d9c2a1f1b87e09bc8dc0" args="(n_row)" -->
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          <td class="memname">#define COLAMD_R          </td>
          <td>(</td>
          <td class="paramtype">n_row&nbsp;</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%">&nbsp;&nbsp;&nbsp;((int) (((n_row) + 1) * sizeof (<a class="el" href="structColamd__Row__struct.html">Colamd_Row</a>) / sizeof (int)))</td>
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<a class="anchor" name="a6980d68bd04f7567d7d0bd40b244c2f"></a><!-- doxytag: member="colamd.h::COLAMD_RECOMMENDED" ref="a6980d68bd04f7567d7d0bd40b244c2f" args="(nnz, n_row, n_col)" -->
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          <td class="memname">#define COLAMD_RECOMMENDED          </td>
          <td>(</td>
          <td class="paramtype">nnz,         <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">n_row,         <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">n_col&nbsp;</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"></td>
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      </table>
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<p>
<b>Value:</b><div class="fragment"><pre class="fragment">(                                                                             \
((nnz) &lt; 0 || (n_row) &lt; 0 || (n_col) &lt; 0)                                     \
?                                                                             \
    (-1)                                                                      \
:                                                                             \
    (2 * (nnz) + <a class="code" href="colamd_8h.html#339fb9b07ed315667cc4542c15116c83">COLAMD_C</a> (n_col) + <a class="code" href="colamd_8h.html#52e8a8827c11d9c2a1f1b87e09bc8dc0">COLAMD_R</a> (n_row) + (n_col) + ((nnz) / 5)) \
)
</pre></div>
</div>
</div><p>
<a class="anchor" name="411703fc0a994b83ec0e00df1abfc0f7"></a><!-- doxytag: member="colamd.h::COLAMD_STATS" ref="411703fc0a994b83ec0e00df1abfc0f7" args="" -->
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          <td class="memname">#define COLAMD_STATS&nbsp;&nbsp;&nbsp;20          </td>
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<a class="anchor" name="6a4201ce55dfa3a6375b90097e8c747e"></a><!-- doxytag: member="colamd.h::COLAMD_STATUS" ref="6a4201ce55dfa3a6375b90097e8c747e" args="" -->
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          <td class="memname">#define COLAMD_STATUS&nbsp;&nbsp;&nbsp;3          </td>
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<hr><h2>Typedef Documentation</h2>
<a class="anchor" name="059db10cdebbb878b50bfcd2e023315a"></a><!-- doxytag: member="colamd.h::Colamd_Col" ref="059db10cdebbb878b50bfcd2e023315a" args="" -->
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          <td class="memname">typedef struct <a class="el" href="structColamd__Col__struct.html">Colamd_Col_struct</a>  <a class="el" href="structColamd__Col__struct.html">Colamd_Col</a>          </td>
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<a class="anchor" name="8a1ceeb79ebba705abb1d27469f4a358"></a><!-- doxytag: member="colamd.h::Colamd_Row" ref="8a1ceeb79ebba705abb1d27469f4a358" args="" -->
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      <table class="memname">
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          <td class="memname">typedef struct <a class="el" href="structColamd__Row__struct.html">Colamd_Row_struct</a>  <a class="el" href="structColamd__Row__struct.html">Colamd_Row</a>          </td>
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</div>
</div><p>
<hr><h2>Function Documentation</h2>
<a class="anchor" name="f5cec4b6391e4c20abfaa6da39975bca"></a><!-- doxytag: member="colamd.h::colamd" ref="f5cec4b6391e4c20abfaa6da39975bca" args="(int n_row, int n_col, int Alen, int A[], int p[], double knobs[COLAMD_KNOBS], int stats[COLAMD_STATS])" -->
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          <td class="memname">int colamd           </td>
          <td>(</td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>n_row</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>n_col</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>Alen</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>A</em>[], </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>p</em>[], </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&nbsp;</td>
          <td class="paramname"> <em>knobs</em>[COLAMD_KNOBS], </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>stats</em>[COLAMD_STATS]</td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td width="100%"></td>
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<a class="anchor" name="9b48c9b9eb5dce7e9ca42174208b1015"></a><!-- doxytag: member="colamd.h::colamd_recommended" ref="9b48c9b9eb5dce7e9ca42174208b1015" args="(int nnz, int n_row, int n_col)" -->
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          <td class="memname">int colamd_recommended           </td>
          <td>(</td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>nnz</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>n_row</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>n_col</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td width="100%"></td>
        </tr>
      </table>
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</div><p>
<a class="anchor" name="7cfa2e07413d0bc9489f10ac881faa51"></a><!-- doxytag: member="colamd.h::colamd_report" ref="7cfa2e07413d0bc9489f10ac881faa51" args="(int stats[COLAMD_STATS])" -->
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          <td class="memname">void colamd_report           </td>
          <td>(</td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>stats</em>[COLAMD_STATS]          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"></td>
        </tr>
      </table>
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<a class="anchor" name="e582ce20a46b5ef39434acb9d66fe2ca"></a><!-- doxytag: member="colamd.h::colamd_set_defaults" ref="e582ce20a46b5ef39434acb9d66fe2ca" args="(double knobs[COLAMD_KNOBS])" -->
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          <td class="memname">void colamd_set_defaults           </td>
          <td>(</td>
          <td class="paramtype">double&nbsp;</td>
          <td class="paramname"> <em>knobs</em>[COLAMD_KNOBS]          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"></td>
        </tr>
      </table>
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<a class="anchor" name="e3d0175d1cb36f6cb16dfe96bbf946a3"></a><!-- doxytag: member="colamd.h::symamd" ref="e3d0175d1cb36f6cb16dfe96bbf946a3" args="(int n, int A[], int p[], int perm[], double knobs[COLAMD_KNOBS], int stats[COLAMD_STATS], void *(*allocate)(size_t, size_t), void(*release)(void *))" -->
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          <td class="memname">int symamd           </td>
          <td>(</td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>n</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>A</em>[], </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>p</em>[], </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>perm</em>[], </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&nbsp;</td>
          <td class="paramname"> <em>knobs</em>[COLAMD_KNOBS], </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>stats</em>[COLAMD_STATS], </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void *(*)(size_t, size_t)&nbsp;</td>
          <td class="paramname"> <em>allocate</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void(*)(void *)&nbsp;</td>
          <td class="paramname"> <em>release</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td width="100%"></td>
        </tr>
      </table>
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<a class="anchor" name="948750692c453eb36edc5b77a670ec54"></a><!-- doxytag: member="colamd.h::symamd_report" ref="948750692c453eb36edc5b77a670ec54" args="(int stats[COLAMD_STATS])" -->
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          <td class="memname">void symamd_report           </td>
          <td>(</td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>stats</em>[COLAMD_STATS]          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"></td>
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