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<h1>cache.c File Reference</h1>Caching of timetable fitness values. <a href="#_details">More...</a>
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<code>#include <stdlib.h></code><br>
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Caching of timetable fitness values.
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<hr><h2>Function Documentation</h2>
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<a class="anchor" name="36f1faee4cd72c960e08697d611770ac"></a><!-- doxytag: member="cache.c::cache_find" ref="36f1faee4cd72c960e08697d611770ac" args="(table *tab)" --><p>
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<a class="anchor" name="36f1faee4cd72c960e08697d611770ac"></a><!-- doxytag: member="cache.c::cache_find" ref="36f1faee4cd72c960e08697d611770ac" args="(table *tab)" -->
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<td class="md" nowrap valign="top">static int cache_find </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top"><a class="el" href="structtable__t.html">table</a> * </td>
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<td class="mdname1" valign="top" nowrap> <em>tab</em> </td>
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<td class="md" valign="top"> ) </td>
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<td class="md" nowrap><code> [static]</code></td>
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<td class="memname">static int cache_find </td>
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<td class="paramtype"><a class="el" href="structtable__t.html">table</a> * </td>
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<td class="paramname"> <em>tab</em> </td>
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<td> ) </td>
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<td width="100%"><code> [static]</code></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Find a matching timetable in fitness cache.
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<tr><td valign="top"></td><td valign="top"><em>tab</em> </td><td>Timetable to search for. </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>Cache line number if a matching timetable was found in cache or -1 if no match was found. </dd></dl>
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<a class="anchor" name="e0950b2f623dda0ddea2f398349f9c22"></a><!-- doxytag: member="cache.c::cache_init" ref="e0950b2f623dda0ddea2f398349f9c22" args="()" --><p>
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<table class="mdTable" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>Cache line number if a matching timetable was found in cache or -1 if no match was found. </dd></dl>
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<a class="anchor" name="e0950b2f623dda0ddea2f398349f9c22"></a><!-- doxytag: member="cache.c::cache_init" ref="e0950b2f623dda0ddea2f398349f9c22" args="()" -->
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<td class="md" nowrap valign="top">int cache_init </td>
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<td class="md" valign="top">( </td>
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<td class="mdname1" valign="top" nowrap> </td>
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<td class="md" valign="top"> ) </td>
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<td class="md" nowrap></td>
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<td class="memname">int cache_init </td>
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<td class="paramname"> </td>
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<td> ) </td>
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<td width="100%"></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Prepare fitness cache for use.
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Must be run after <a class="el" href="xmlsup_8c.html#4f2ac0a3cc304138b6ec4b4fa03495f9">parser_main()</a>.<p>
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<dl compact><dt><b>Returns:</b></dt><dd>0 on success and -1 on error. </dd></dl>
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<a class="anchor" name="a9ee2330a1be2ad7ebac4bcee0bee811"></a><!-- doxytag: member="cache.c::cache_table_changed" ref="a9ee2330a1be2ad7ebac4bcee0bee811" args="(table *t1, table *t2)" --><p>
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">static int cache_table_changed </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top"><a class="el" href="structtable__t.html">table</a> * </td>
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<td class="mdname" nowrap> <em>t1</em>, </td>
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<td class="md" nowrap><a class="el" href="structtable__t.html">table</a> * </td>
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<td class="mdname" nowrap> <em>t2</em></td>
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<td class="md">) </td>
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<td class="md" colspan="2"><code> [static]</code></td>
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Must be run after <a class="el" href="xmlsup_8c.html#4f2ac0a3cc304138b6ec4b4fa03495f9" title="Parses an XML configuration file.">parser_main()</a>.<p>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 on success and -1 on error. </dd></dl>
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<a class="anchor" name="a9ee2330a1be2ad7ebac4bcee0bee811"></a><!-- doxytag: member="cache.c::cache_table_changed" ref="a9ee2330a1be2ad7ebac4bcee0bee811" args="(table *t1, table *t2)" -->
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<td class="memname">static int cache_table_changed </td>
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<td class="paramtype"><a class="el" href="structtable__t.html">table</a> * </td>
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<td class="paramname"> <em>t1</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="structtable__t.html">table</a> * </td>
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<td class="paramname"> <em>t2</em></td><td> </td>
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<td></td><td></td><td width="100%"><code> [static]</code></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Compare variable chromosomes of two timetables.
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<tr><td valign="top"></td><td valign="top"><em>t2</em> </td><td>Pointer to the second timetable structure. </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>0 if timetables have identical variable chromosomes or 1 if not. </dd></dl>
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<a class="anchor" name="1fad8a10c6ef391e06d54e9e6ecd0aed"></a><!-- doxytag: member="cache.c::cache_table_copy" ref="1fad8a10c6ef391e06d54e9e6ecd0aed" args="(table *dest, table *source)" --><p>
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<td class="md" nowrap valign="top">static void cache_table_copy </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top"><a class="el" href="structtable__t.html">table</a> * </td>
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<td class="mdname" nowrap> <em>dest</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap><a class="el" href="structtable__t.html">table</a> * </td>
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<td class="mdname" nowrap> <em>source</em></td>
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<td class="md">) </td>
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<td class="md" colspan="2"><code> [static]</code></td>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if timetables have identical variable chromosomes or 1 if not. </dd></dl>
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<a class="anchor" name="1fad8a10c6ef391e06d54e9e6ecd0aed"></a><!-- doxytag: member="cache.c::cache_table_copy" ref="1fad8a10c6ef391e06d54e9e6ecd0aed" args="(table *dest, table *source)" -->
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<td class="memname">static void cache_table_copy </td>
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<td class="paramtype"><a class="el" href="structtable__t.html">table</a> * </td>
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<td class="paramname"> <em>dest</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="structtable__t.html">table</a> * </td>
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<td class="paramname"> <em>source</em></td><td> </td>
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<td></td><td></td><td width="100%"><code> [static]</code></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Copy variable chromosomes and fitness information from source to destination timetable.
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<tr><td valign="top"></td><td valign="top"><em>source</em> </td><td>Pointer to the source timetable. </td></tr>
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<a class="anchor" name="b8182711d3c4bc8abf36c7f2428d01c3"></a><!-- doxytag: member="cache.c::cache_table_fitness" ref="b8182711d3c4bc8abf36c7f2428d01c3" args="(table *tab)" --><p>
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<a class="anchor" name="b8182711d3c4bc8abf36c7f2428d01c3"></a><!-- doxytag: member="cache.c::cache_table_fitness" ref="b8182711d3c4bc8abf36c7f2428d01c3" args="(table *tab)" -->
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<td class="md" nowrap valign="top">void cache_table_fitness </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top"><a class="el" href="structtable__t.html">table</a> * </td>
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<td class="mdname1" valign="top" nowrap> <em>tab</em> </td>
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<td class="md" valign="top"> ) </td>
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<td class="md" nowrap></td>
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<td class="memname">void cache_table_fitness </td>
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<td class="paramtype"><a class="el" href="structtable__t.html">table</a> * </td>
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<td class="paramname"> <em>tab</em> </td>
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<td> ) </td>
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<td width="100%"></td>
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<table cellspacing="5" cellpadding="0" border="0">
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Assign a fitness to a table by first checking the cache and then calling all fitness functions.
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Uses <a class="el" href="modsup_8c.html#26b3266f472c60907a5fc56959f290b5">table_fitness()</a> if no matching timetable was found in fitness cache.<p>
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Uses <a class="el" href="modsup_8c.html#26b3266f472c60907a5fc56959f290b5" title="Assign a fitness to a table by calling all fitness functions.">table_fitness()</a> if no matching timetable was found in fitness cache.<p>
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>tab</em> </td><td>Pointer to the table to be fitnessd. </td></tr>
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<hr><h2>Variable Documentation</h2>
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<a class="anchor" name="de778e82fe9005cbbf5fe3064712e599"></a><!-- doxytag: member="cache.c::cache_array" ref="de778e82fe9005cbbf5fe3064712e599" args="" --><p>
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<a class="anchor" name="de778e82fe9005cbbf5fe3064712e599"></a><!-- doxytag: member="cache.c::cache_array" ref="de778e82fe9005cbbf5fe3064712e599" args="" -->
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<td class="md" nowrap valign="top"><a class="el" href="structtable__t.html">table</a>** <a class="el" href="cache_8c.html#de778e82fe9005cbbf5fe3064712e599">cache_array</a> = NULL<code> [static]</code> </td>
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<td class="memname"><a class="el" href="structtable__t.html">table</a>** <a class="el" href="cache_8c.html#de778e82fe9005cbbf5fe3064712e599">cache_array</a> = NULL<code> [static]</code> </td>
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Cache of timetable fitness values.
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This is an array of <em>par_cachesize</em> timetable structures. Only variable chromosomes and fitness values (members <a class="el" href="structtable__t.html#14ee6925a8df5523393e746e7512292d">table_t::fitness</a>, <a class="el" href="structtable__t.html#57b722b09c7c767e2755b01a7f315615">table_t::possible</a> and <a class="el" href="structtable__t.html#014eae0e1062314515ea3752c5584149">table_t::subtotals</a>) are valid in these structures. As far as caching logic is concerned if two timetables have identical variable chromosomes they are identical. </td>
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<hr size="1"><address style="align: right;"><small>Generated on Sun May 28 16:48:03 2006 for Tablix by
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This is an array of <em>par_cachesize</em> timetable structures. Only variable chromosomes and fitness values (members <a class="el" href="structtable__t.html#14ee6925a8df5523393e746e7512292d" title="Fitness of this individual. If less than 0 then this individual needs to be evaluated...">table_t::fitness</a>, <a class="el" href="structtable__t.html#57b722b09c7c767e2755b01a7f315615" title="Set to 1 if this structures describes an acceptable solution to the timetabling problem...">table_t::possible</a> and <a class="el" href="structtable__t.html#014eae0e1062314515ea3752c5584149" title="Array of n integers, where n is the number of fitness functions used, containing...">table_t::subtotals</a>) are valid in these structures. As far as caching logic is concerned if two timetables have identical variable chromosomes they are identical.
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<hr size="1"><address style="text-align: right;"><small>Generated on Tue Jul 3 13:23:35 2007 for Tablix by
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.2 </small></address>
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