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  5.       <title>GTL - Graph Template Library: edge.h Source File</title>
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    28. 

  28. <h1>edge.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//==========================================================================</span>
    29. 

  29. <a name="l00002"></a>00002 <span class="comment">//</span>
    30. 

  30. <a name="l00003"></a>00003 <span class="comment">//   edge.h</span>
    31. 

  31. <a name="l00004"></a>00004 <span class="comment">//</span>
    32. 

  32. <a name="l00005"></a>00005 <span class="comment">//==========================================================================</span>
    33. 

  33. <a name="l00006"></a>00006 <span class="comment">// $Id: edge.h,v 1.15 2001/04/17 14:35:25 raitner Exp $</span>
    34. 

  34. <a name="l00007"></a>00007 
    35. 

  35. <a name="l00008"></a>00008 <span class="preprocessor">#ifndef GTL_EDGE_H</span>
    36. 

  36. <a name="l00009"></a>00009 <span class="preprocessor"></span><span class="preprocessor">#define GTL_EDGE_H</span>
    37. 

  37. <a name="l00010"></a>00010 <span class="preprocessor"></span>
    38. 

  38. <a name="l00011"></a>00011 <span class="preprocessor">#include &lt;GTL/GTL.h&gt;</span>
    39. 

  39. <a name="l00012"></a>00012 
    40. 

  40. <a name="l00013"></a>00013 <span class="preprocessor">#include &lt;list&gt;</span>
    41. 

  41. <a name="l00014"></a>00014 
    42. 

  42. <a name="l00015"></a>00015 __GTL_BEGIN_NAMESPACE
    43. 

  43. <a name="l00016"></a>00016  
    44. 

  44. <a name="l00017"></a>00017 <span class="comment">//--------------------------------------------------------------------------</span>
    45. 

  45. <a name="l00018"></a>00018 <span class="comment">//   For MSVC 5.0 edge.h has to be included before node.h and</span>
    46. 

  46. <a name="l00019"></a>00019 <span class="comment">//   {node,edge}_data.h. So we only declare needed classnames here</span>
    47. 

  47. <a name="l00020"></a>00020 <span class="comment">//--------------------------------------------------------------------------</span>
    48. 

  48. <a name="l00021"></a>00021 
    49. 

  49. <a name="l00022"></a>00022 <span class="keyword">class </span><a class="code" href="a00020.html" title="A node in a graph.">node</a>;
    50. 

  50. <a name="l00023"></a>00023 <span class="keyword">class </span>edge_data;
    51. 

  51. <a name="l00024"></a>00024 
    52. 

  52. <a name="l00025"></a>00025 <span class="comment">//--------------------------------------------------------------------------</span>
    53. 

  53. <a name="l00026"></a>00026 <span class="comment">//   edge</span>
    54. 

  54. <a name="l00027"></a>00027 <span class="comment">//--------------------------------------------------------------------------</span>
    55. 

  55. <a name="l00028"></a>00028 
    56. 

  56. <a name="l00032"></a><a class="code" href="a00010.html">00032</a> <span class="keyword">class </span>GTL_EXTERN <a class="code" href="a00010.html" title="An edge in a graph.">edge</a>
    57. 

  57. <a name="l00033"></a>00033 {
    58. 

  58. <a name="l00034"></a>00034 <span class="keyword">public</span>:
    59. 

  59. <a name="l00051"></a>00051     <a class="code" href="a00010.html" title="An edge in a graph.">edge</a>();
    60. 

  60. <a name="l00052"></a>00052 
    61. 

  61. <a name="l00058"></a>00058     <a class="code" href="a00020.html" title="A node in a graph.">node</a> source() <span class="keyword">const</span>;
    62. 

  62. <a name="l00059"></a>00059 
    63. 

  63. <a name="l00065"></a>00065     <a class="code" href="a00020.html" title="A node in a graph.">node</a> target() <span class="keyword">const</span>;
    64. 

  64. <a name="l00066"></a>00066 
    65. 

  65. <a name="l00070"></a>00070     <span class="keywordtype">void</span> reverse ();
    66. 

  66. <a name="l00071"></a>00071 
    67. 

  67. <a name="l00077"></a>00077     <span class="keywordtype">void</span> change_source (<a class="code" href="a00020.html" title="A node in a graph.">node</a> n);
    68. 

  68. <a name="l00078"></a>00078 
    69. 

  69. <a name="l00084"></a>00084     <span class="keywordtype">void</span> change_target (<a class="code" href="a00020.html" title="A node in a graph.">node</a> n);
    70. 

  70. <a name="l00085"></a>00085 
    71. 

  71. <a name="l00092"></a>00092     <span class="keyword">const</span> <a class="code" href="a00020.html" title="A node in a graph.">node</a>&amp; opposite(<a class="code" href="a00020.html" title="A node in a graph.">node</a> n) <span class="keyword">const</span>;
    72. 

  72. <a name="l00093"></a>00093 
    73. 

  73. <a name="l00097"></a>00097     list&lt;node&gt; sources() <span class="keyword">const</span>;
    74. 

  74. <a name="l00098"></a>00098 
    75. 

  75. <a name="l00102"></a>00102     list&lt;node&gt; targets() <span class="keyword">const</span>;
    76. 

  76. <a name="l00103"></a>00103 
    77. 

  77. <a name="l00107"></a>00107     <span class="keywordtype">int</span> id() <span class="keyword">const</span>;
    78. 

  78. <a name="l00108"></a>00108 
    79. 

  79. <a name="l00109"></a>00109     
    80. 

  80. <a name="l00117"></a>00117     <span class="keywordtype">bool</span> is_hidden () <span class="keyword">const</span>;
    81. 

  81. <a name="l00118"></a>00118 
    82. 

  82. <a name="l00119"></a>00119 
    83. 

  83. <a name="l00120"></a>00120     <span class="comment">//================================================== Implementation</span>
    84. 

  84. <a name="l00121"></a>00121     
    85. 

  85. <a name="l00122"></a>00122 <span class="keyword">private</span>:
    86. 

  86. <a name="l00123"></a>00123     edge_data *data;
    87. 

  87. <a name="l00124"></a>00124     
    88. 

  88. <a name="l00125"></a>00125     <span class="keywordtype">void</span> remove_from(<span class="keywordtype">int</span> where) <span class="keyword">const</span>; <span class="comment">// 0 = sources, 1 == targets</span>
    89. 

  89. <a name="l00126"></a>00126 
    90. 

  90. <a name="l00127"></a>00127     <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="a00014.html" title="A directed or undirected graph.">graph</a>;
    91. 

  91. <a name="l00128"></a>00128     <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="a00020.html" title="A node in a graph.">node</a>;
    92. 

  92. <a name="l00129"></a>00129     
    93. 

  93. <a name="l00130"></a>00130     GTL_EXTERN <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator==(<a class="code" href="a00010.html" title="An edge in a graph.">edge</a>, <a class="code" href="a00010.html" title="An edge in a graph.">edge</a>);
    94. 

  94. <a name="l00131"></a>00131     GTL_EXTERN <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator!=(<a class="code" href="a00010.html" title="An edge in a graph.">edge</a>, <a class="code" href="a00010.html" title="An edge in a graph.">edge</a>);
    95. 

  95. <a name="l00132"></a>00132     GTL_EXTERN <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator&lt;(<a class="code" href="a00010.html" title="An edge in a graph.">edge</a>, <a class="code" href="a00010.html" title="An edge in a graph.">edge</a>);
    96. 

  96. <a name="l00133"></a>00133     GTL_EXTERN <span class="keyword">friend</span> ostream&amp; operator&lt;&lt; (ostream&amp; os, <span class="keyword">const</span> <a class="code" href="a00010.html" title="An edge in a graph.">edge</a>&amp; e);
    97. 

  97. <a name="l00134"></a>00134 };
    98. 

  98. <a name="l00135"></a>00135 
    99. 

  99. <a name="l00136"></a>00136 __GTL_END_NAMESPACE
    100. 

  100. <a name="l00137"></a>00137 
    101. 

  101. <a name="l00138"></a>00138 <span class="preprocessor">#endif // GTL_EDGE_H</span>
    102. 

  102. <a name="l00139"></a>00139 <span class="preprocessor"></span>
    103. 

  103. <a name="l00140"></a>00140 <span class="comment">//--------------------------------------------------------------------------</span>
    104. 

  104. <a name="l00141"></a>00141 <span class="comment">//   end of file</span>
    105. 

  105. <a name="l00142"></a>00142 <span class="comment">//--------------------------------------------------------------------------</span>
    106. 

  106. </pre></div>    <p class="links">
    107. 

  107.       <a href="http://www.uni-passau.de/">University of Passau</a>
    108. 

  108.       &nbsp;-&nbsp;
    109. 

  109.       <a href="http://www.fmi.uni-passau.de/">FMI</a>
    110. 

  110.       &nbsp;-&nbsp;
    111. 

  111.       <a href="http://www.fmi.uni-passau.de/fmi/lehrstuehle/brandenburg/">Theoretical
    112. 

  112. 	Computer Science</a>
    113. 

  113.     </p>
    114. 

  114.   <div class="copyright">
    115. 

  115.       Design &copy; 2002, 2003 <a href="mailto:raitner@fmi.uni-passau.de">Marcus Raitner</a>,  University of Passau 
    116. 

  116.   </div>
    117. 

  117. </body>
    118. 

  118. </html>
    119. 

  119.