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<h1>SRC/zmemory.c File Reference</h1>Memory details. <a href="#_details">More...</a>
<p>
<code>#include "<a class="el" href="slu__zdefs_8h-source.html">slu_zdefs.h</a>"</code><br>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#1ef4d4db4d5e1fe0719416163e0e51ae">StackFull</a>(x) ( x + Glu->stack.used >= Glu->stack.size )</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#c11b1c3847a3d397e9675de40782134d">NotDoubleAlign</a>(addr) ( (long int)addr & 7 )</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#c8204d321846eb4b23d563eac7e5bfa7">DoubleAlign</a>(addr) ( ((long int)addr + 7) & ~7L )</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#70ca807c578a0c495f7ce5edb0215e2b">TempSpace</a>(m, w)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#7b2a35bfd2e6c9d03e2a6ccdba9fa847">Reduce</a>(alpha) ((alpha + 1) / 2)</td></tr>
<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="zmemory_8c.html#67833ee9526cec0b31d0f26e527b97df">zexpand</a> (int *prev_len,<a class="el" href="superlu__enum__consts_8h.html#bd31f838aefffa46191d0d7dc36a96b2">MemType</a> type,int len_to_copy,int keep_prev,<a class="el" href="structGlobalLU__t.html">GlobalLU_t</a> *Glu)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Expand the existing storage to accommodate more fill-ins. <a href="#67833ee9526cec0b31d0f26e527b97df"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#882c0544ebe2e000b982820ac583c180">zLUWorkInit</a> (int m, int n, int panel_size, int **iworkptr, <a class="el" href="structdoublecomplex.html">doublecomplex</a> **dworkptr, <a class="el" href="structGlobalLU__t.html">GlobalLU_t</a> *Glu)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allocate known working storage. Returns 0 if success, otherwise returns the number of bytes allocated so far when failure occurred. <a href="#882c0544ebe2e000b982820ac583c180"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#a0ef433984e57ac0dacc29c5e3b53ecf">copy_mem_doublecomplex</a> (int, void *, void *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#607a863b6fcdf1adb1931dd4c8277ee0">zStackCompress</a> (<a class="el" href="structGlobalLU__t.html">GlobalLU_t</a> *Glu)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Compress the work[] array to remove fragmentation. <a href="#607a863b6fcdf1adb1931dd4c8277ee0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#0edfb761a3a551bce967037b3e1aa9e2">zSetupSpace</a> (void *work, int lwork, <a class="el" href="structGlobalLU__t.html">GlobalLU_t</a> *Glu)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Setup the memory model to be used for factorization. <a href="#0edfb761a3a551bce967037b3e1aa9e2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#0546ac846872bb77841c8502590dc3e2">zuser_malloc</a> (int, int, <a class="el" href="structGlobalLU__t.html">GlobalLU_t</a> *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#9568d77c3e1f50a9b000f50a9941300a">zuser_free</a> (int, int, <a class="el" href="structGlobalLU__t.html">GlobalLU_t</a> *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#b59eea34474da95fb3dc125400a1287e">copy_mem_int</a> (int, void *, void *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#4c226087c09a94ff40b92b14fa46fc53">user_bcopy</a> (char *, char *, int)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#286bf5eff2472576ba5fafe9d1daf835">zQuerySpace</a> (<a class="el" href="structSuperMatrix.html">SuperMatrix</a> *L, <a class="el" href="structSuperMatrix.html">SuperMatrix</a> *U, <a class="el" href="structmem__usage__t.html">mem_usage_t</a> *mem_usage)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#dcf560b50ada29ab0807eb50f16c434d">ilu_zQuerySpace</a> (<a class="el" href="structSuperMatrix.html">SuperMatrix</a> *L, <a class="el" href="structSuperMatrix.html">SuperMatrix</a> *U, <a class="el" href="structmem__usage__t.html">mem_usage_t</a> *mem_usage)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#2401dcedab9db9b72801239bcb0dd85d">zLUMemInit</a> (<a class="el" href="superlu__enum__consts_8h.html#c785c8235480e5cfef9848d89c047c0a">fact_t</a> fact, void *work, int lwork, int m, int n, int annz, int panel_size, double fill_ratio, <a class="el" href="structSuperMatrix.html">SuperMatrix</a> *L, <a class="el" href="structSuperMatrix.html">SuperMatrix</a> *U, <a class="el" href="structGlobalLU__t.html">GlobalLU_t</a> *Glu, int **iwork, <a class="el" href="structdoublecomplex.html">doublecomplex</a> **dwork)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allocate storage for the data structures common to all factor routines. <a href="#2401dcedab9db9b72801239bcb0dd85d"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#2d983454dded23484688350acd60d453">zSetRWork</a> (int m, int panel_size, <a class="el" href="structdoublecomplex.html">doublecomplex</a> *dworkptr, <a class="el" href="structdoublecomplex.html">doublecomplex</a> **dense, <a class="el" href="structdoublecomplex.html">doublecomplex</a> **tempv)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set up pointers for real working arrays. <a href="#2d983454dded23484688350acd60d453"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#077a37f8ac3dd3f11b78b70ead445a4a">zLUWorkFree</a> (int *iwork, <a class="el" href="structdoublecomplex.html">doublecomplex</a> *dwork, <a class="el" href="structGlobalLU__t.html">GlobalLU_t</a> *Glu)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Free the working storage used by factor routines. <a href="#077a37f8ac3dd3f11b78b70ead445a4a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#f10c27072006d8936e0b135a0d0e03ee">zLUMemXpand</a> (int jcol, int next, <a class="el" href="superlu__enum__consts_8h.html#bd31f838aefffa46191d0d7dc36a96b2">MemType</a> mem_type, int *maxlen, <a class="el" href="structGlobalLU__t.html">GlobalLU_t</a> *Glu)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Expand the data structures for L and U during the factorization. <a href="#f10c27072006d8936e0b135a0d0e03ee"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#46bbbd9396593820fd01a6d3dea08d31">zallocateA</a> (int n, int nnz, <a class="el" href="structdoublecomplex.html">doublecomplex</a> **a, int **asub, int **xa)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allocate storage for original matrix A. <a href="#46bbbd9396593820fd01a6d3dea08d31"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="structdoublecomplex.html">doublecomplex</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#d681359ed37ac809cc0e456e05655823">doublecomplexMalloc</a> (int n)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="structdoublecomplex.html">doublecomplex</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#7c839d769dd079aab4bf852533d96933">doublecomplexCalloc</a> (int n)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="zmemory_8c.html#17416eb78c42063624b6859d9f88820b">zmemory_usage</a> (const int nzlmax, const int nzumax, const int nzlumax, const int n)</td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
<pre>
-- SuperLU routine (version 4.0) --
Lawrence Berkeley National Laboratory.
June 30, 2009
</pre> <hr><h2>Define Documentation</h2>
<a class="anchor" name="c8204d321846eb4b23d563eac7e5bfa7"></a><!-- doxytag: member="zmemory.c::DoubleAlign" ref="c8204d321846eb4b23d563eac7e5bfa7" args="(addr)" -->
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<td class="memname">#define DoubleAlign </td>
<td>(</td>
<td class="paramtype">addr </td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> ( ((long int)addr + 7) & ~7L )</td>
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</div>
<div class="memdoc">
<p>
</div>
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<a class="anchor" name="c11b1c3847a3d397e9675de40782134d"></a><!-- doxytag: member="zmemory.c::NotDoubleAlign" ref="c11b1c3847a3d397e9675de40782134d" args="(addr)" -->
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<td class="memname">#define NotDoubleAlign </td>
<td>(</td>
<td class="paramtype">addr </td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> ( (long int)addr & 7 )</td>
</tr>
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<p>
</div>
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<a class="anchor" name="7b2a35bfd2e6c9d03e2a6ccdba9fa847"></a><!-- doxytag: member="zmemory.c::Reduce" ref="7b2a35bfd2e6c9d03e2a6ccdba9fa847" args="(alpha)" -->
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<td class="memname">#define Reduce </td>
<td>(</td>
<td class="paramtype">alpha </td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> ((alpha + 1) / 2)</td>
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<p>
</div>
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<a class="anchor" name="1ef4d4db4d5e1fe0719416163e0e51ae"></a><!-- doxytag: member="zmemory.c::StackFull" ref="1ef4d4db4d5e1fe0719416163e0e51ae" args="(x)" -->
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<td class="memname">#define StackFull </td>
<td>(</td>
<td class="paramtype">x </td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> ( x + Glu->stack.used >= Glu->stack.size )</td>
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<div class="memdoc">
<p>
</div>
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<a class="anchor" name="70ca807c578a0c495f7ce5edb0215e2b"></a><!-- doxytag: member="zmemory.c::TempSpace" ref="70ca807c578a0c495f7ce5edb0215e2b" args="(m, w)" -->
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<td class="memname">#define TempSpace </td>
<td>(</td>
<td class="paramtype">m, <tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">w </td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"></td>
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<p>
<b>Value:</b><div class="fragment"><pre class="fragment">( (2*w + 4 + <a class="code" href="slu__util_8h.html#9b7b2a5116ee487722b0967317ab6360">NO_MARKER</a>) * m * <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>) + \
(w + 1) * m * <span class="keyword">sizeof</span>(<a class="code" href="structdoublecomplex.html">doublecomplex</a>) )
</pre></div>
</div>
</div><p>
<hr><h2>Function Documentation</h2>
<a class="anchor" name="a0ef433984e57ac0dacc29c5e3b53ecf"></a><!-- doxytag: member="zmemory.c::copy_mem_doublecomplex" ref="a0ef433984e57ac0dacc29c5e3b53ecf" args="(int, void *, void *)" -->
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<td class="memname">void copy_mem_doublecomplex </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>howmany</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"> <em>old</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"> <em>new</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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<a class="anchor" name="b59eea34474da95fb3dc125400a1287e"></a><!-- doxytag: member="zmemory.c::copy_mem_int" ref="b59eea34474da95fb3dc125400a1287e" args="(int, void *, void *)" -->
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<td class="memname">void copy_mem_int </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">void * </td>
<td class="paramname">, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </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="7c839d769dd079aab4bf852533d96933"></a><!-- doxytag: member="zmemory.c::doublecomplexCalloc" ref="7c839d769dd079aab4bf852533d96933" args="(int n)" -->
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<td class="memname"><a class="el" href="structdoublecomplex.html">doublecomplex</a>* doublecomplexCalloc </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>n</em> </td>
<td> ) </td>
<td width="100%"></td>
</tr>
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<a class="anchor" name="d681359ed37ac809cc0e456e05655823"></a><!-- doxytag: member="zmemory.c::doublecomplexMalloc" ref="d681359ed37ac809cc0e456e05655823" args="(int n)" -->
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<td class="memname"><a class="el" href="structdoublecomplex.html">doublecomplex</a>* doublecomplexMalloc </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>n</em> </td>
<td> ) </td>
<td width="100%"></td>
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<a class="anchor" name="dcf560b50ada29ab0807eb50f16c434d"></a><!-- doxytag: member="zmemory.c::ilu_zQuerySpace" ref="dcf560b50ada29ab0807eb50f16c434d" args="(SuperMatrix *L, SuperMatrix *U, mem_usage_t *mem_usage)" -->
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<td class="memname">int ilu_zQuerySpace </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structSuperMatrix.html">SuperMatrix</a> * </td>
<td class="paramname"> <em>L</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structSuperMatrix.html">SuperMatrix</a> * </td>
<td class="paramname"> <em>U</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structmem__usage__t.html">mem_usage_t</a> * </td>
<td class="paramname"> <em>mem_usage</em></td><td> </td>
</tr>
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<td></td>
<td>)</td>
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<p>
<pre>
mem_usage consists of the following fields:<ul>
<li>for_lu (float)
The amount of space used in bytes for the L data structures.</li><li>total_needed (float)
The amount of space needed in bytes to perform factorization.
</li></ul>
</pre>
</div>
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<a class="anchor" name="4c226087c09a94ff40b92b14fa46fc53"></a><!-- doxytag: member="zmemory.c::user_bcopy" ref="4c226087c09a94ff40b92b14fa46fc53" args="(char *, char *, int)" -->
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<td class="memname">void user_bcopy </td>
<td>(</td>
<td class="paramtype">char * </td>
<td class="paramname">, </td>
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<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="46bbbd9396593820fd01a6d3dea08d31"></a><!-- doxytag: member="zmemory.c::zallocateA" ref="46bbbd9396593820fd01a6d3dea08d31" args="(int n, int nnz, doublecomplex **a, int **asub, int **xa)" -->
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<td class="memname">void zallocateA </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>n</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>nnz</em>, </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"> <em>a</em>, </td>
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<td class="paramtype">int ** </td>
<td class="paramname"> <em>asub</em>, </td>
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<td class="paramtype">int ** </td>
<td class="paramname"> <em>xa</em></td><td> </td>
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<td>)</td>
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<a class="anchor" name="67833ee9526cec0b31d0f26e527b97df"></a><!-- doxytag: member="zmemory.c::zexpand" ref="67833ee9526cec0b31d0f26e527b97df" args="(int *prev_len,MemType type,int len_to_copy,int keep_prev,GlobalLU_t *Glu)" -->
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<td class="memname">void * zexpand </td>
<td>(</td>
<td class="paramtype">int * </td>
<td class="paramname"> <em>prev_len</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="superlu__enum__consts_8h.html#bd31f838aefffa46191d0d7dc36a96b2">MemType</a> </td>
<td class="paramname"> <em>type</em>, </td>
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<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>len_to_copy</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>keep_prev</em>, </td>
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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><td> </td>
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<p>
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<a class="anchor" name="2401dcedab9db9b72801239bcb0dd85d"></a><!-- doxytag: member="zmemory.c::zLUMemInit" ref="2401dcedab9db9b72801239bcb0dd85d" args="(fact_t fact, void *work, int lwork, int m, int n, int annz, int panel_size, double fill_ratio, SuperMatrix *L, SuperMatrix *U, GlobalLU_t *Glu, int **iwork, doublecomplex **dwork)" -->
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<td class="memname">int zLUMemInit </td>
<td>(</td>
<td class="paramtype"><a class="el" href="superlu__enum__consts_8h.html#c785c8235480e5cfef9848d89c047c0a">fact_t</a> </td>
<td class="paramname"> <em>fact</em>, </td>
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<td></td>
<td class="paramtype">void * </td>
<td class="paramname"> <em>work</em>, </td>
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<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>lwork</em>, </td>
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<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>m</em>, </td>
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<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>n</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>annz</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>panel_size</em>, </td>
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<td class="paramtype">double </td>
<td class="paramname"> <em>fill_ratio</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structSuperMatrix.html">SuperMatrix</a> * </td>
<td class="paramname"> <em>L</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structSuperMatrix.html">SuperMatrix</a> * </td>
<td class="paramname"> <em>U</em>, </td>
</tr>
<tr>
<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">int ** </td>
<td class="paramname"> <em>iwork</em>, </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"> <em>dwork</em></td><td> </td>
</tr>
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<td>)</td>
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<p>
Memory-related.<p>
<pre>
For those unpredictable size, estimate as fill_ratio * nnz(A).
Return value:
If lwork = -1, return the estimated amount of space required, plus n;
otherwise, return the amount of space actually allocated when
memory allocation failure occurred.
</pre>
</div>
</div><p>
<a class="anchor" name="f10c27072006d8936e0b135a0d0e03ee"></a><!-- doxytag: member="zmemory.c::zLUMemXpand" ref="f10c27072006d8936e0b135a0d0e03ee" args="(int jcol, int next, MemType mem_type, int *maxlen, GlobalLU_t *Glu)" -->
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<td class="memname">int zLUMemXpand </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>jcol</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>next</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="superlu__enum__consts_8h.html#bd31f838aefffa46191d0d7dc36a96b2">MemType</a> </td>
<td class="paramname"> <em>mem_type</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int * </td>
<td class="paramname"> <em>maxlen</em>, </td>
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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><td> </td>
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<p>
<pre>
Return value: 0 - successful return
> 0 - number of bytes allocated when run out of space
</pre>
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</div><p>
<a class="anchor" name="077a37f8ac3dd3f11b78b70ead445a4a"></a><!-- doxytag: member="zmemory.c::zLUWorkFree" ref="077a37f8ac3dd3f11b78b70ead445a4a" args="(int *iwork, doublecomplex *dwork, GlobalLU_t *Glu)" -->
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<td class="memname">void zLUWorkFree </td>
<td>(</td>
<td class="paramtype">int * </td>
<td class="paramname"> <em>iwork</em>, </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"> <em>dwork</em>, </td>
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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><td> </td>
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<td></td>
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</div>
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<a class="anchor" name="882c0544ebe2e000b982820ac583c180"></a><!-- doxytag: member="zmemory.c::zLUWorkInit" ref="882c0544ebe2e000b982820ac583c180" args="(int m, int n, int panel_size, int **iworkptr, doublecomplex **dworkptr, GlobalLU_t *Glu)" -->
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<td class="memname">int zLUWorkInit </td>
<td>(</td>
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<td class="paramname"> <em>n</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>panel_size</em>, </td>
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<td></td>
<td class="paramtype">int ** </td>
<td class="paramname"> <em>iworkptr</em>, </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"> <em>dworkptr</em>, </td>
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<td></td>
<td class="paramtype"><a class="el" href="structGlobalLU__t.html">GlobalLU_t</a> * </td>
<td class="paramname"> <em>Glu</em></td><td> </td>
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<a class="anchor" name="17416eb78c42063624b6859d9f88820b"></a><!-- doxytag: member="zmemory.c::zmemory_usage" ref="17416eb78c42063624b6859d9f88820b" args="(const int nzlmax, const int nzumax, const int nzlumax, const int n)" -->
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<td class="memname">int zmemory_usage </td>
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<td class="paramtype">const int </td>
<td class="paramname"> <em>nzlmax</em>, </td>
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<td class="paramname"> <em>nzumax</em>, </td>
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<td class="paramtype">const int </td>
<td class="paramname"> <em>nzlumax</em>, </td>
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<td class="paramtype">const int </td>
<td class="paramname"> <em>n</em></td><td> </td>
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<a class="anchor" name="286bf5eff2472576ba5fafe9d1daf835"></a><!-- doxytag: member="zmemory.c::zQuerySpace" ref="286bf5eff2472576ba5fafe9d1daf835" args="(SuperMatrix *L, SuperMatrix *U, mem_usage_t *mem_usage)" -->
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<td class="memname">int zQuerySpace </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structSuperMatrix.html">SuperMatrix</a> * </td>
<td class="paramname"> <em>L</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structSuperMatrix.html">SuperMatrix</a> * </td>
<td class="paramname"> <em>U</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structmem__usage__t.html">mem_usage_t</a> * </td>
<td class="paramname"> <em>mem_usage</em></td><td> </td>
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<pre>
mem_usage consists of the following fields:<ul>
<li>for_lu (float)
The amount of space used in bytes for the L data structures.</li><li>total_needed (float)
The amount of space needed in bytes to perform factorization.
</li></ul>
</pre>
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<a class="anchor" name="2d983454dded23484688350acd60d453"></a><!-- doxytag: member="zmemory.c::zSetRWork" ref="2d983454dded23484688350acd60d453" args="(int m, int panel_size, doublecomplex *dworkptr, doublecomplex **dense, doublecomplex **tempv)" -->
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<td class="paramname"> <em>tempv</em></td><td> </td>
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<a class="anchor" name="0edfb761a3a551bce967037b3e1aa9e2"></a><!-- doxytag: member="zmemory.c::zSetupSpace" ref="0edfb761a3a551bce967037b3e1aa9e2" args="(void *work, int lwork, GlobalLU_t *Glu)" -->
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<td class="memname">void zSetupSpace </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"> <em>work</em>, </td>
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<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>lwork</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><td> </td>
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<p>
lwork = 0: use system malloc; lwork > 0: use user-supplied work[] space.
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<a class="anchor" name="607a863b6fcdf1adb1931dd4c8277ee0"></a><!-- doxytag: member="zmemory.c::zStackCompress" ref="607a863b6fcdf1adb1931dd4c8277ee0" args="(GlobalLU_t *Glu)" -->
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<td class="memname">void zStackCompress </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structGlobalLU__t.html">GlobalLU_t</a> * </td>
<td class="paramname"> <em>Glu</em> </td>
<td> ) </td>
<td width="100%"></td>
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<p>
</div>
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<a class="anchor" name="9568d77c3e1f50a9b000f50a9941300a"></a><!-- doxytag: member="zmemory.c::zuser_free" ref="9568d77c3e1f50a9b000f50a9941300a" args="(int, int, GlobalLU_t *)" -->
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<td class="memname">void zuser_free </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>bytes</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>which_end</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><td> </td>
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<a class="anchor" name="0546ac846872bb77841c8502590dc3e2"></a><!-- doxytag: member="zmemory.c::zuser_malloc" ref="0546ac846872bb77841c8502590dc3e2" args="(int, int, GlobalLU_t *)" -->
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<td>(</td>
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<td class="paramname"> <em>which_end</em>, </td>
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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><td> </td>
</tr>
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