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<div class="headertitle"><div class="title">line_segment_intersection.cpp File Reference</div></div>
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<p>check whether two line segments intersect each other or not.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;algorithm&gt;</code><br />
<code>#include &lt;iostream&gt;</code><br />
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Include dependency graph for line_segment_intersection.cpp:</div>
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/dc8/struct_point.html">Point</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d4/db4/struct_segment_intersection.html">SegmentIntersection</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>check whether two line segments intersect each other or not. </p>
<p class="definition">Definition in file <a class="el" href="../../d8/d6c/line__segment__intersection_8cpp_source.html">line_segment_intersection.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">&#9670;&#160;</a></span>main()</h2>
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<td class="memname">int main </td>
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<p>This is the main function to test whether the algorithm is working well. </p>
<p class="definition">Definition at line <a class="el" href="../../d8/d6c/line__segment__intersection_8cpp_source.html#l00092">92</a> of file <a class="el" href="../../d8/d6c/line__segment__intersection_8cpp_source.html">line_segment_intersection.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 92</span> {</div>
<div class="line"><span class="lineno"> 93</span> <a class="code hl_struct" href="../../d4/db4/struct_segment_intersection.html">SegmentIntersection</a> segment;</div>
<div class="line"><span class="lineno"> 94</span> <a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a> first_point, second_point, third_point, forth_point;</div>
<div class="line"><span class="lineno"> 95</span> </div>
<div class="line"><span class="lineno"> 96</span> std::cin &gt;&gt; first_point.x &gt;&gt; first_point.<a class="code hl_variable" href="../../d8/dc8/struct_point.html#a2e1b5fb2b2a83571f5c0bc0f66a73cf7">y</a>;</div>
<div class="line"><span class="lineno"> 97</span> std::cin &gt;&gt; second_point.x &gt;&gt; second_point.<a class="code hl_variable" href="../../d8/dc8/struct_point.html#a2e1b5fb2b2a83571f5c0bc0f66a73cf7">y</a>;</div>
<div class="line"><span class="lineno"> 98</span> std::cin &gt;&gt; third_point.x &gt;&gt; third_point.<a class="code hl_variable" href="../../d8/dc8/struct_point.html#a2e1b5fb2b2a83571f5c0bc0f66a73cf7">y</a>;</div>
<div class="line"><span class="lineno"> 99</span> std::cin &gt;&gt; forth_point.x &gt;&gt; forth_point.<a class="code hl_variable" href="../../d8/dc8/struct_point.html#a2e1b5fb2b2a83571f5c0bc0f66a73cf7">y</a>;</div>
<div class="line"><span class="lineno"> 100</span> </div>
<div class="line"><span class="lineno"> 101</span> printf(<span class="stringliteral">&quot;%d&quot;</span>, segment.intersect(first_point, second_point, third_point,</div>
<div class="line"><span class="lineno"> 102</span> forth_point));</div>
<div class="line"><span class="lineno"> 103</span> std::cout &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 104</span>}</div>
<div class="ttc" id="astruct_point_html"><div class="ttname"><a href="../../d8/dc8/struct_point.html">Point</a></div><div class="ttdef"><b>Definition</b> <a href="../../d8/d6c/line__segment__intersection_8cpp_source.html#l00012">line_segment_intersection.cpp:12</a></div></div>
<div class="ttc" id="astruct_point_html_a2e1b5fb2b2a83571f5c0bc0f66a73cf7"><div class="ttname"><a href="../../d8/dc8/struct_point.html#a2e1b5fb2b2a83571f5c0bc0f66a73cf7">Point::y</a></div><div class="ttdeci">int y</div><div class="ttdoc">Point respect to x coordinate.</div><div class="ttdef"><b>Definition</b> <a href="../../d8/d6c/line__segment__intersection_8cpp_source.html#l00014">line_segment_intersection.cpp:14</a></div></div>
<div class="ttc" id="astruct_segment_intersection_html"><div class="ttname"><a href="../../d4/db4/struct_segment_intersection.html">SegmentIntersection</a></div><div class="ttdef"><b>Definition</b> <a href="../../d8/d6c/line__segment__intersection_8cpp_source.html#l00022">line_segment_intersection.cpp:22</a></div></div>
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