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<title>SuperLU: SRC/ilu_zdrop_row.c File Reference</title>
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<h1>SRC/ilu_zdrop_row.c File Reference</h1>Drop small rows from L. <a href="#_details">More...</a>
<p>
<code>#include <math.h></code><br>
<code>#include <stdlib.h></code><br>
<code>#include "<a class="el" href="slu__zdefs_8h-source.html">slu_zdefs.h</a>"</code><br>
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<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__zdrop__row_8c.html#20051222dca15b4b236d9758042171cf">zswap_</a> (int *, <a class="el" href="structdoublecomplex.html">doublecomplex</a>[], int *, <a class="el" href="structdoublecomplex.html">doublecomplex</a>[], int *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__zdrop__row_8c.html#ceb6d1d72184759746247bd55dcede0f">zaxpy_</a> (int *, <a class="el" href="structdoublecomplex.html">doublecomplex</a> *, <a class="el" href="structdoublecomplex.html">doublecomplex</a>[], int *, <a class="el" href="structdoublecomplex.html">doublecomplex</a>[], int *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__zdrop__row_8c.html#ad105755c4a253c2d6dbce95720abb48">zcopy_</a> (int *, <a class="el" href="structdoublecomplex.html">doublecomplex</a>[], int *, <a class="el" href="structdoublecomplex.html">doublecomplex</a>[], int *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__zdrop__row_8c.html#fafebe5a243783e920465d5985076dae">dzasum_</a> (int *, <a class="el" href="structdoublecomplex.html">doublecomplex</a> *, int *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__zdrop__row_8c.html#7e669e96b4c0ad6e2000684a34e798b7">dznrm2_</a> (int *, <a class="el" href="structdoublecomplex.html">doublecomplex</a> *, int *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__zdrop__row_8c.html#61a0022627cc1977966c0067f1f12e26">dnrm2_</a> (int *, double[], int *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__zdrop__row_8c.html#f8bf573faadaf4a6cead386258c1421c">izamax_</a> (int *, <a class="el" href="structdoublecomplex.html">doublecomplex</a>[], int *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__zdrop__row_8c.html#8ddf1742e9078a786574bb5aa80aed2a">_compare_</a> (const void *a, const void *b)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__zdrop__row_8c.html#f4b8c50d3afed76a8b9809673a7da4f3">ilu_zdrop_row</a> (<a class="el" href="structsuperlu__options__t.html">superlu_options_t</a> *options, int first, int last, double drop_tol, int quota, int *nnzLj, double *fill_tol, <a class="el" href="structGlobalLU__t.html">GlobalLU_t</a> *Glu, double dwork[], double dwork2[], int lastc)</td></tr>
<tr><td colspan="2"><br><h2>Variables</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static double * </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__zdrop__row_8c.html#c900805a486cbb8489e3c176ed6e0d8e">A</a></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
<pre>
-- SuperLU routine (version 4.1) --
Lawrence Berkeley National Laboratory.
June 30, 2009
</pre> <hr><h2>Function Documentation</h2>
<a class="anchor" name="8ddf1742e9078a786574bb5aa80aed2a"></a><!-- doxytag: member="ilu_zdrop_row.c::_compare_" ref="8ddf1742e9078a786574bb5aa80aed2a" args="(const void *a, const void *b)" -->
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<td class="memname">static int _compare_ </td>
<td>(</td>
<td class="paramtype">const void * </td>
<td class="paramname"> <em>a</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const void * </td>
<td class="paramname"> <em>b</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td width="100%"><code> [static]</code></td>
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<a class="anchor" name="61a0022627cc1977966c0067f1f12e26"></a><!-- doxytag: member="ilu_zdrop_row.c::dnrm2_" ref="61a0022627cc1977966c0067f1f12e26" args="(int *, double[], int *)" -->
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<td class="memname">double dnrm2_ </td>
<td>(</td>
<td class="paramtype">int * </td>
<td class="paramname">, </td>
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<td class="paramkey"></td>
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<td class="paramtype">double </td>
<td class="paramname">[], </td>
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<td class="paramtype">int * </td>
<td class="paramname"></td><td> </td>
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<a class="anchor" name="fafebe5a243783e920465d5985076dae"></a><!-- doxytag: member="ilu_zdrop_row.c::dzasum_" ref="fafebe5a243783e920465d5985076dae" args="(int *, doublecomplex *, int *)" -->
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<td class="memname">double dzasum_ </td>
<td>(</td>
<td class="paramtype">int * </td>
<td class="paramname">, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structdoublecomplex.html">doublecomplex</a> * </td>
<td class="paramname">, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int * </td>
<td class="paramname"></td><td> </td>
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<td>)</td>
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<a class="anchor" name="7e669e96b4c0ad6e2000684a34e798b7"></a><!-- doxytag: member="ilu_zdrop_row.c::dznrm2_" ref="7e669e96b4c0ad6e2000684a34e798b7" args="(int *, doublecomplex *, int *)" -->
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<td class="memname">double dznrm2_ </td>
<td>(</td>
<td class="paramtype">int * </td>
<td class="paramname">, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structdoublecomplex.html">doublecomplex</a> * </td>
<td class="paramname">, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int * </td>
<td class="paramname"></td><td> </td>
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<a class="anchor" name="f4b8c50d3afed76a8b9809673a7da4f3"></a><!-- doxytag: member="ilu_zdrop_row.c::ilu_zdrop_row" ref="f4b8c50d3afed76a8b9809673a7da4f3" args="(superlu_options_t *options, int first, int last, double drop_tol, int quota, int *nnzLj, double *fill_tol, GlobalLU_t *Glu, double dwork[], double dwork2[], int lastc)" -->
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<td class="memname">int ilu_zdrop_row </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structsuperlu__options__t.html">superlu_options_t</a> * </td>
<td class="paramname"> <em>options</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>first</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>last</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>drop_tol</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>quota</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int * </td>
<td class="paramname"> <em>nnzLj</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double * </td>
<td class="paramname"> <em>fill_tol</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structGlobalLU__t.html">GlobalLU_t</a> * </td>
<td class="paramname"> <em>Glu</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>dwork</em>[], </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>dwork2</em>[], </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>lastc</em></td><td> </td>
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<td>)</td>
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<pre>
Purpose
=======
<a class="el" href="ilu__zdrop__row_8c.html#f4b8c50d3afed76a8b9809673a7da4f3">ilu_zdrop_row()</a> - Drop some small rows from the previous
supernode (L-part only).
</pre>
</div>
</div><p>
<a class="anchor" name="f8bf573faadaf4a6cead386258c1421c"></a><!-- doxytag: member="ilu_zdrop_row.c::izamax_" ref="f8bf573faadaf4a6cead386258c1421c" args="(int *, doublecomplex[], int *)" -->
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<td class="memname">int izamax_ </td>
<td>(</td>
<td class="paramtype">int * </td>
<td class="paramname">, </td>
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<td></td>
<td class="paramtype"><a class="el" href="structdoublecomplex.html">doublecomplex</a> </td>
<td class="paramname">[], </td>
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<td class="paramtype">int * </td>
<td class="paramname"></td><td> </td>
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<a class="anchor" name="ceb6d1d72184759746247bd55dcede0f"></a><!-- doxytag: member="ilu_zdrop_row.c::zaxpy_" ref="ceb6d1d72184759746247bd55dcede0f" args="(int *, doublecomplex *, doublecomplex[], int *, doublecomplex[], int *)" -->
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<td class="memname">void zaxpy_ </td>
<td>(</td>
<td class="paramtype">int * </td>
<td class="paramname">, </td>
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<td></td>
<td class="paramtype"><a class="el" href="structdoublecomplex.html">doublecomplex</a> * </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="structdoublecomplex.html">doublecomplex</a> </td>
<td class="paramname">[], </td>
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<td class="paramtype">int * </td>
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<td class="paramtype"><a class="el" href="structdoublecomplex.html">doublecomplex</a> </td>
<td class="paramname">[], </td>
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<td class="paramtype">int * </td>
<td class="paramname"></td><td> </td>
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<a class="anchor" name="ad105755c4a253c2d6dbce95720abb48"></a><!-- doxytag: member="ilu_zdrop_row.c::zcopy_" ref="ad105755c4a253c2d6dbce95720abb48" args="(int *, doublecomplex[], int *, doublecomplex[], int *)" -->
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<td class="memname">void zcopy_ </td>
<td>(</td>
<td class="paramtype">int * </td>
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<td class="paramtype"><a class="el" href="structdoublecomplex.html">doublecomplex</a> </td>
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<td class="paramtype">int * </td>
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<td class="paramtype"><a class="el" href="structdoublecomplex.html">doublecomplex</a> </td>
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<td></td>
<td class="paramtype">int * </td>
<td class="paramname"></td><td> </td>
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<td>)</td>
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<a class="anchor" name="20051222dca15b4b236d9758042171cf"></a><!-- doxytag: member="ilu_zdrop_row.c::zswap_" ref="20051222dca15b4b236d9758042171cf" args="(int *, doublecomplex[], int *, doublecomplex[], int *)" -->
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<td class="memname">void zswap_ </td>
<td>(</td>
<td class="paramtype">int * </td>
<td class="paramname">, </td>
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<td class="paramtype"><a class="el" href="structdoublecomplex.html">doublecomplex</a> </td>
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<td class="paramkey"></td>
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<td class="paramtype">int * </td>
<td class="paramname">, </td>
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<td class="paramtype"><a class="el" href="structdoublecomplex.html">doublecomplex</a> </td>
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<td class="paramtype">int * </td>
<td class="paramname"></td><td> </td>
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<td>)</td>
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<hr><h2>Variable Documentation</h2>
<a class="anchor" name="c900805a486cbb8489e3c176ed6e0d8e"></a><!-- doxytag: member="ilu_zdrop_row.c::A" ref="c900805a486cbb8489e3c176ed6e0d8e" args="" -->
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<td class="memname">double* <a class="el" href="ilu__zdrop__row_8c.html#c900805a486cbb8489e3c176ed6e0d8e">A</a><code> [static]</code> </td>
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