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<title>SuperLU: SRC/ilu_sdrop_row.c File Reference</title>
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<h1>SRC/ilu_sdrop_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__sdefs_8h-source.html">slu_sdefs.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__sdrop__row_8c.html#2ea44e9849dcb189a4e81f09d97e3c95">sswap_</a> (int *, float[], int *, float[], int *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__sdrop__row_8c.html#de8ba65d9c44f41e97cf2c40a772cff7">saxpy_</a> (int *, float *, float[], int *, float[], int *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__sdrop__row_8c.html#f839d60e0d4028df30ea1106ce429210">scopy_</a> (int *, float[], int *, float[], int *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__sdrop__row_8c.html#43ef780d8b669dc0b19d41fa6727124f">sasum_</a> (int *, float *, int *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__sdrop__row_8c.html#c419c8b8797339212c62cd423e3e652c">snrm2_</a> (int *, float *, int *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__sdrop__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__sdrop__row_8c.html#18eff2aa758918dee76e31b812c88c9f">isamax_</a> (int *, float[], 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__sdrop__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__sdrop__row_8c.html#0d9b169f47790d6eed41107efb445867">ilu_sdrop_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, float swork[], float swork2[], int lastc)</td></tr>
<tr><td colspan="2"><br><h2>Variables</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static float * </td><td class="memItemRight" valign="bottom"><a class="el" href="ilu__sdrop__row_8c.html#4f397f6aca9178eb3de2026fc159fa55">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_sdrop_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_sdrop_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>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </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>
<td></td><td></td><td width="100%"></td>
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<a class="anchor" name="0d9b169f47790d6eed41107efb445867"></a><!-- doxytag: member="ilu_sdrop_row.c::ilu_sdrop_row" ref="0d9b169f47790d6eed41107efb445867" args="(superlu_options_t *options, int first, int last, double drop_tol, int quota, int *nnzLj, double *fill_tol, GlobalLU_t *Glu, float swork[], float swork2[], int lastc)" -->
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<td class="memname">int ilu_sdrop_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>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>last</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>drop_tol</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>quota</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int * </td>
<td class="paramname"> <em>nnzLj</em>, </td>
</tr>
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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>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"> <em>swork</em>[], </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"> <em>swork2</em>[], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>lastc</em></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
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<p>
<pre>
Purpose
=======
<a class="el" href="ilu__sdrop__row_8c.html#0d9b169f47790d6eed41107efb445867">ilu_sdrop_row()</a> - Drop some small rows from the previous
supernode (L-part only).
</pre>
</div>
</div><p>
<a class="anchor" name="18eff2aa758918dee76e31b812c88c9f"></a><!-- doxytag: member="ilu_sdrop_row.c::isamax_" ref="18eff2aa758918dee76e31b812c88c9f" args="(int *, float[], int *)" -->
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<td class="memname">int isamax_ </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">float </td>
<td class="paramname">[], </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="43ef780d8b669dc0b19d41fa6727124f"></a><!-- doxytag: member="ilu_sdrop_row.c::sasum_" ref="43ef780d8b669dc0b19d41fa6727124f" args="(int *, float *, int *)" -->
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<td class="memname">float sasum_ </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">float * </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>
<td></td><td></td><td width="100%"></td>
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</div>
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<a class="anchor" name="de8ba65d9c44f41e97cf2c40a772cff7"></a><!-- doxytag: member="ilu_sdrop_row.c::saxpy_" ref="de8ba65d9c44f41e97cf2c40a772cff7" args="(int *, float *, float[], int *, float[], int *)" -->
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<td class="memname">void saxpy_ </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">float * </td>
<td class="paramname">, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname">[], </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int * </td>
<td class="paramname">, </td>
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<td class="paramtype">float </td>
<td class="paramname">[], </td>
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<td class="paramtype">int * </td>
<td class="paramname"></td><td> </td>
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<td>)</td>
<td></td><td></td><td width="100%"></td>
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<a class="anchor" name="f839d60e0d4028df30ea1106ce429210"></a><!-- doxytag: member="ilu_sdrop_row.c::scopy_" ref="f839d60e0d4028df30ea1106ce429210" args="(int *, float[], int *, float[], int *)" -->
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<td class="memname">void scopy_ </td>
<td>(</td>
<td class="paramtype">int * </td>
<td class="paramname">, </td>
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<td></td>
<td class="paramtype">float </td>
<td class="paramname">[], </td>
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<td class="paramtype">int * </td>
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<td class="paramtype">float </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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<a class="anchor" name="c419c8b8797339212c62cd423e3e652c"></a><!-- doxytag: member="ilu_sdrop_row.c::snrm2_" ref="c419c8b8797339212c62cd423e3e652c" args="(int *, float *, int *)" -->
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<td class="memname">float snrm2_ </td>
<td>(</td>
<td class="paramtype">int * </td>
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<td class="paramtype">float * </td>
<td class="paramname">, </td>
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<td></td>
<td class="paramtype">int * </td>
<td class="paramname"></td><td> </td>
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<a class="anchor" name="2ea44e9849dcb189a4e81f09d97e3c95"></a><!-- doxytag: member="ilu_sdrop_row.c::sswap_" ref="2ea44e9849dcb189a4e81f09d97e3c95" args="(int *, float[], int *, float[], int *)" -->
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<td class="memname">void sswap_ </td>
<td>(</td>
<td class="paramtype">int * </td>
<td class="paramname">, </td>
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<td class="paramtype">float </td>
<td class="paramname">[], </td>
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<hr><h2>Variable Documentation</h2>
<a class="anchor" name="4f397f6aca9178eb3de2026fc159fa55"></a><!-- doxytag: member="ilu_sdrop_row.c::A" ref="4f397f6aca9178eb3de2026fc159fa55" args="" -->
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<td class="memname">float* <a class="el" href="ilu__zdrop__row_8c.html#c900805a486cbb8489e3c176ed6e0d8e">A</a><code> [static]</code> </td>
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