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<h1>csp++.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
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<a name="l00002"></a>00002 <span class="comment"> * =====================================================================================</span>
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<a name="l00003"></a>00003 <span class="comment"> *</span>
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<a name="l00004"></a>00004 <span class="comment"> * Filename: csp++.h</span>
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<a name="l00005"></a>00005 <span class="comment"> *</span>
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<a name="l00006"></a>00006 <span class="comment"> * Description: </span>
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<a name="l00007"></a>00007 <span class="comment"> *</span>
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<a name="l00008"></a>00008 <span class="comment"> * Version: 1.0</span>
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<a name="l00009"></a>00009 <span class="comment"> * Created: 16/05/2010 23:16:42</span>
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<a name="l00010"></a>00010 <span class="comment"> * Revision: none</span>
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<a name="l00011"></a>00011 <span class="comment"> * Compiler: gcc</span>
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<a name="l00012"></a>00012 <span class="comment"> *</span>
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<a name="l00013"></a>00013 <span class="comment"> * Author: BlackLight (http://0x00.ath.cx), <blacklight@autistici.org></span>
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<a name="l00014"></a>00014 <span class="comment"> * Company: lulz</span>
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<a name="l00015"></a>00015 <span class="comment"> *</span>
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<a name="l00016"></a>00016 <span class="comment"> * =====================================================================================</span>
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<a name="l00017"></a>00017 <span class="comment"> */</span>
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<a name="l00018"></a>00018
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<a name="l00019"></a>00019 <span class="preprocessor">#include <vector></span>
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<a name="l00020"></a>00020 <span class="preprocessor">#include <exception></span>
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<a name="l00021"></a>00021
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<a name="l00022"></a>00022 <span class="keyword">template</span><<span class="keyword">class</span> T>
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<a name="l00023"></a><a class="code" href="structCSPvariable.html">00023</a> <span class="keyword">struct </span><a class="code" href="structCSPvariable.html">CSPvariable</a> {
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<a name="l00024"></a>00024 <span class="keywordtype">int</span> index;
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<a name="l00025"></a>00025 T value;
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<a name="l00026"></a>00026 std::vector<T> domain;
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<a name="l00027"></a>00027 };
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<a name="l00028"></a>00028
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<a name="l00033"></a><a class="code" href="classCSPexception.html">00033</a> <span class="keyword">class </span><a class="code" href="classCSPexception.html" title="Class for managing exception in CSP.">CSPexception</a> : <span class="keyword">public</span> std::exception {
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<a name="l00034"></a>00034 <span class="keyword">const</span> <span class="keywordtype">char</span>* message;
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<a name="l00035"></a>00035
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<a name="l00036"></a>00036 <span class="keyword">public</span>:
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<a name="l00037"></a>00037 <a class="code" href="classCSPexception.html" title="Class for managing exception in CSP.">CSPexception</a> (<span class="keyword">const</span> <span class="keywordtype">char</span> *m) {
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<a name="l00038"></a>00038 message = m;
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<a name="l00039"></a>00039 }
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<a name="l00040"></a>00040
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<a name="l00041"></a>00041 <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* what() {
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<a name="l00042"></a>00042 <span class="keywordflow">return</span> message;
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<a name="l00043"></a>00043 }
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<a name="l00044"></a>00044 };
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<a name="l00045"></a>00045
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<a name="l00050"></a>00050 <span class="keyword">template</span><<span class="keyword">class</span> T>
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<a name="l00051"></a><a class="code" href="classCSP.html">00051</a> <span class="keyword">class </span><a class="code" href="classCSP.html" title="Main class for managing a CSP.">CSP</a> {
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<a name="l00052"></a>00052 <span class="keyword">private</span>:
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<a name="l00053"></a>00053 <span class="keyword">template</span><<span class="keyword">class</span> TT>
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<a name="l00054"></a>00054 <span class="keyword">struct </span>arc {
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<a name="l00055"></a>00055 <a class="code" href="structCSPvariable.html">CSPvariable<TT></a> var[2];
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<a name="l00056"></a>00056 TT value[2];
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<a name="l00057"></a>00057 };
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<a name="l00058"></a>00058
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<a name="l00059"></a>00059 std::vector<bool> fixed;
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<a name="l00060"></a>00060 std::vector< CSPvariable<T> > variables;
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<a name="l00061"></a>00061 std::vector< bool (*)(std::vector< CSPvariable<T> >) > constraints;
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<a name="l00062"></a>00062 <span class="preprocessor"> #define constraint constraints[0]</span>
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<a name="l00063"></a>00063 <span class="preprocessor"></span>
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<a name="l00064"></a>00064 std::vector< std::vector<T> > __default_domains;
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<a name="l00065"></a>00065 T __default_value;
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<a name="l00066"></a>00066 <span class="keywordtype">bool</span> __has_default_value;
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<a name="l00067"></a>00067 <span class="keyword">static</span> <span class="keywordtype">bool</span> __default_constraint ( std::vector< <a class="code" href="structCSPvariable.html">CSPvariable<T></a> > v ) { <span class="keywordflow">return</span> <span class="keyword">true</span>; }
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<a name="l00068"></a>00068 <span class="keywordtype">void</span> __init ( <span class="keywordtype">int</span> n, <span class="keywordtype">bool</span> (*c)(std::vector< <a class="code" href="structCSPvariable.html">CSPvariable<T></a> >) );
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<a name="l00069"></a>00069 <span class="keywordtype">void</span> restoreDomains ( <span class="keywordtype">void</span> );
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<a name="l00070"></a>00070
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<a name="l00071"></a>00071 <span class="keyword">public</span>:
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<a name="l00081"></a>00081 <a class="code" href="classCSP.html#ad49548121582cc2d59e0d7f100092b75" title="Class constructor.">CSP</a> ( <span class="keywordtype">int</span> n, <span class="keywordtype">bool</span> (*c)(std::vector< <a class="code" href="structCSPvariable.html">CSPvariable<T></a> >) = __default_constraint );
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<a name="l00082"></a>00082
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<a name="l00096"></a>00096 <a class="code" href="classCSP.html#ad49548121582cc2d59e0d7f100092b75" title="Class constructor.">CSP</a> ( <span class="keywordtype">int</span> n, T default_value, <span class="keywordtype">bool</span> set_variables = <span class="keyword">false</span>, <span class="keywordtype">bool</span> (*c)(std::vector< <a class="code" href="structCSPvariable.html">CSPvariable<T></a> >) = __default_constraint );
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<a name="l00097"></a>00097
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<a name="l00104"></a>00104 <span class="keywordtype">void</span> <a class="code" href="classCSP.html#a4017c17aac9d3e96d0e821ebbe09da7b" title="Set the domain for the i-th variable.">setDomain</a> ( <span class="keywordtype">size_t</span> index, std::vector<T> domain );
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<a name="l00105"></a>00105
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<a name="l00113"></a>00113 <span class="keywordtype">void</span> <a class="code" href="classCSP.html#a4017c17aac9d3e96d0e821ebbe09da7b" title="Set the domain for the i-th variable.">setDomain</a> ( <span class="keywordtype">size_t</span> index, T domain[], <span class="keywordtype">int</span> size );
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<a name="l00114"></a>00114
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<a name="l00120"></a>00120 <span class="keywordtype">void</span> <a class="code" href="classCSP.html#a534a0d9bd10fb544f94196bf3c386657" title="Apply the constraint to the CSP as a boolean function.">setConstraint</a> ( <span class="keywordtype">bool</span> (*c)(std::vector< <a class="code" href="structCSPvariable.html">CSPvariable<T></a> >) );
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<a name="l00121"></a>00121
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<a name="l00128"></a>00128 <span class="keywordtype">void</span> <a class="code" href="classCSP.html#a534a0d9bd10fb544f94196bf3c386657" title="Apply the constraint to the CSP as a boolean function.">setConstraint</a> ( std::vector< <span class="keywordtype">bool</span>(*)(std::vector< <a class="code" href="structCSPvariable.html">CSPvariable<T></a> >) > c );
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<a name="l00129"></a>00129
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<a name="l00135"></a>00135 <span class="keywordtype">void</span> <a class="code" href="classCSP.html#a0231b93bceae257f0e1c35041f8fe63f" title="Drops a constraint from the CSP.">dropConstraint</a> ( <span class="keywordtype">size_t</span> index );
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<a name="l00136"></a>00136
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<a name="l00142"></a>00142 <span class="keywordtype">void</span> <a class="code" href="classCSP.html#a8dc6aec6ca7e40d198e58b0ec14fee66" title="Append a constraint to the list of the constraint of the CSP.">appendConstraint</a> ( <span class="keywordtype">bool</span> (*c)(std::vector< <a class="code" href="structCSPvariable.html">CSPvariable<T></a> >) );
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<a name="l00143"></a>00143
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<a name="l00148"></a>00148 <span class="keywordtype">void</span> <a class="code" href="classCSP.html#a466845256e638c5e258fd728b641359f" title="Updates the domains of the variables. Any constraint or node fixed value is applied...">refreshDomains</a>( <span class="keywordtype">void</span> );
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<a name="l00149"></a>00149
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<a name="l00156"></a>00156 std::vector<T> <a class="code" href="classCSP.html#a2a9a7d8072613f6984795d5495373847" title="Get the domain of the i-th variable.">getDomain</a> ( <span class="keywordtype">size_t</span> index );
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<a name="l00157"></a>00157
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<a name="l00163"></a>00163 <span class="keywordtype">size_t</span> <a class="code" href="classCSP.html#a91a0e89bc1882d39b88122bee392c5f3" title="Get the number of variables in the current CSP.">getSize</a> ( <span class="keywordtype">void</span> );
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<a name="l00164"></a>00164
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<a name="l00171"></a>00171 <span class="keywordtype">void</span> <a class="code" href="classCSP.html#ac25064c5b2d4e1020173b56913251ebd" title="Set the value of a variable as a constraint.">setValue</a> ( <span class="keywordtype">size_t</span> index, T value );
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<a name="l00172"></a>00172
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<a name="l00181"></a>00181 <span class="keywordtype">void</span> <a class="code" href="classCSP.html#a4c0cae125a610f519dc22eaec255a0ae" title="Marks a variable as not set, and if a default value was assigned in the CSP constructor...">unsetValue</a> ( <span class="keywordtype">size_t</span> index );
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<a name="l00182"></a>00182
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<a name="l00188"></a>00188 <span class="keywordtype">bool</span> <a class="code" href="classCSP.html#a7ef9eb91c38815c9d82182696a6bd5d3" title="Check if the current CSP, with the applied constraints, is satisfiable.">isSatisfiable</a> ( <span class="keywordtype">void</span> );
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<a name="l00189"></a>00189
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<a name="l00190"></a>00190
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<a name="l00198"></a>00198 <span class="keywordtype">bool</span> <a class="code" href="classCSP.html#ae96286c6c7dfb6fe077544e0d4af15f4" title="Check if the CSP, with the given variables, domains and constraints, admits a unique...">hasUniqueSolution</a> ( <span class="keywordtype">void</span> );
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<a name="l00199"></a>00199 };
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<a name="l00200"></a>00200
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</pre></div></div>
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.3 </small></address>
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