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<div class="headertitle"><div class="title">smallest_circle.cpp</div></div>
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<div class="contents">
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<a href="../../d0/d01/smallest__circle_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include <cmath></span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include <iostream></span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="keyword">struct </span><a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a> {</div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"><a class="line" href="../../d8/dc8/struct_point.html#ab99c56589bc8ad5fa5071387110a5bc7"> 16</a></span> <span class="keywordtype">double</span> x, </div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"><a class="line" href="../../d8/dc8/struct_point.html#afa38be143ae800e6ad69ce8ed4df62d8"> 17</a></span> <a class="code hl_variable" href="../../d8/dc8/struct_point.html#a2e1b5fb2b2a83571f5c0bc0f66a73cf7">y</a>; </div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span></div>
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<div class="foldopen" id="foldopen00023" data-start="{" data-end="}">
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"><a class="line" href="../../d8/dc8/struct_point.html#ae2d6fb1b3fd3a96169d963d62e37130a"> 23</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="../../d8/dc8/struct_point.html#ae2d6fb1b3fd3a96169d963d62e37130a">Point</a>(<span class="keywordtype">double</span> a = 0.f, <span class="keywordtype">double</span> b = 0.f) {</div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> x = a;</div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> <a class="code hl_variable" href="../../d8/dc8/struct_point.html#a2e1b5fb2b2a83571f5c0bc0f66a73cf7">y</a> = b;</div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> }</div>
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</div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span>};</div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span></div>
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<div class="foldopen" id="foldopen00037" data-start="{" data-end="}">
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="../../d0/d01/smallest__circle_8cpp.html#a3cbebd6f4d2cdf227663c67fe41ba12a"> 37</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a3cbebd6f4d2cdf227663c67fe41ba12a">LenghtLine</a>(<span class="keyword">const</span> <a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a> &A, <span class="keyword">const</span> <a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a> &B) {</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordtype">double</span> dx = B.x - A.x;</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordtype">double</span> dy = B.<a class="code hl_variable" href="../../d8/dc8/struct_point.html#a2e1b5fb2b2a83571f5c0bc0f66a73cf7">y</a> - A.<a class="code hl_variable" href="../../d8/dc8/struct_point.html#a2e1b5fb2b2a83571f5c0bc0f66a73cf7">y</a>;</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">return</span> std::sqrt((dx * dx) + (dy * dy));</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span>}</div>
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</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span></div>
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<div class="foldopen" id="foldopen00054" data-start="{" data-end="}">
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"><a class="line" href="../../d0/d01/smallest__circle_8cpp.html#a94682a4a70d5906857ca09de5b9fb2cc"> 54</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a94682a4a70d5906857ca09de5b9fb2cc">TriangleArea</a>(<span class="keyword">const</span> <a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a> &A, <span class="keyword">const</span> <a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a> &B, <span class="keyword">const</span> <a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a> &C) {</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordtype">double</span> a = <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a3cbebd6f4d2cdf227663c67fe41ba12a">LenghtLine</a>(A, B);</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordtype">double</span> b = <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a3cbebd6f4d2cdf227663c67fe41ba12a">LenghtLine</a>(B, C);</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordtype">double</span> c = <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a3cbebd6f4d2cdf227663c67fe41ba12a">LenghtLine</a>(C, A);</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordtype">double</span> p = (a + b + c) / 2;</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">return</span> std::sqrt(p * (p - a) * (p - b) * (p - c));</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span>}</div>
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</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span></div>
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<div class="foldopen" id="foldopen00072" data-start="{" data-end="}">
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="../../d0/d01/smallest__circle_8cpp.html#aee6d48762c1dfb9f14627927f0c16fad"> 72</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#aee6d48762c1dfb9f14627927f0c16fad">PointInCircle</a>(<span class="keyword">const</span> std::vector<Point> &P, <span class="keyword">const</span> <a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a> &Center, <span class="keywordtype">double</span> R) {</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < P.size(); i++) {</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a3cbebd6f4d2cdf227663c67fe41ba12a">LenghtLine</a>(P[i], Center) > R)</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> }</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span>}</div>
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</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span></div>
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<div class="foldopen" id="foldopen00087" data-start="{" data-end="}">
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"><a class="line" href="../../d0/d01/smallest__circle_8cpp.html#a0b0676df8e4da7a08c7ccaecea344903"> 87</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a0b0676df8e4da7a08c7ccaecea344903">circle</a>(<span class="keyword">const</span> std::vector<Point> &P) {</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordtype">double</span> minR = INFINITY;</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordtype">double</span> R;</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a> C;</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a> minC;</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="comment">/* This code is invalid and does not give correct result for TEST 3 */</span></div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="comment">// for each point in the list</span></div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < P.size() - 2; i++)</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="comment">// for every subsequent point in the list</span></div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> j = i + 1; j < P.size(); j++)</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="comment">// for every subsequent point in the list</span></div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> k = j + 1; k < P.size(); k++) {</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="comment">// here, we now have picked three points from the given set of</span></div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="comment">// points that we can use</span></div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="comment">// viz., P[i], P[j] and P[k]</span></div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> C.x = -0.5 * ((P[i].y * (P[j].x * P[j].x + P[j].y * P[j].y -</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> P[k].x * P[k].x - P[k].y * P[k].y) +</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> P[j].y * (P[k].x * P[k].x + P[k].y * P[k].y -</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> P[i].x * P[i].x - P[i].y * P[i].y) +</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> P[k].y * (P[i].x * P[i].x + P[i].y * P[i].y -</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> P[j].x * P[j].x - P[j].y * P[j].y)) /</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> (P[i].x * (P[j].y - P[k].y) +</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> P[j].x * (P[k].y - P[i].y) +</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> P[k].x * (P[i].y - P[j].y)));</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> C.<a class="code hl_variable" href="../../d8/dc8/struct_point.html#a2e1b5fb2b2a83571f5c0bc0f66a73cf7">y</a> = 0.5 * ((P[i].x * (P[j].x * P[j].x + P[j].y * P[j].y -</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> P[k].x * P[k].x - P[k].y * P[k].y) +</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> P[j].x * (P[k].x * P[k].x + P[k].y * P[k].y -</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> P[i].x * P[i].x - P[i].y * P[i].y) +</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> P[k].x * (P[i].x * P[i].x + P[i].y * P[i].y -</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> P[j].x * P[j].x - P[j].y * P[j].y)) /</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> (P[i].x * (P[j].y - P[k].y) +</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> P[j].x * (P[k].y - P[i].y) +</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> P[k].x * (P[i].y - P[j].y)));</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> R = (<a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a3cbebd6f4d2cdf227663c67fe41ba12a">LenghtLine</a>(P[i], P[j]) * <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a3cbebd6f4d2cdf227663c67fe41ba12a">LenghtLine</a>(P[j], P[k]) *</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a3cbebd6f4d2cdf227663c67fe41ba12a">LenghtLine</a>(P[k], P[i])) /</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> (4 * <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a94682a4a70d5906857ca09de5b9fb2cc">TriangleArea</a>(P[i], P[j], P[k]));</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#aee6d48762c1dfb9f14627927f0c16fad">PointInCircle</a>(P, C, R)) {</div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> }</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordflow">if</span> (R <= minR) {</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> minR = R;</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> minC = C;</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> }</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> }</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> </div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// for each point in the list</span></div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < P.size() - 1; i++)</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// for every subsequent point in the list</span></div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> j = i + 1; j < P.size(); j++) {</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="comment">// check for diameterically opposite points</span></div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> C.x = (P[i].x + P[j].x) / 2;</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> C.<a class="code hl_variable" href="../../d8/dc8/struct_point.html#a2e1b5fb2b2a83571f5c0bc0f66a73cf7">y</a> = (P[i].y + P[j].y) / 2;</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> R = <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a3cbebd6f4d2cdf227663c67fe41ba12a">LenghtLine</a>(C, P[i]);</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#aee6d48762c1dfb9f14627927f0c16fad">PointInCircle</a>(P, C, R)) {</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">continue</span>;</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> }</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">if</span> (R <= minR) {</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> minR = R;</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> minC = C;</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> }</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> }</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> std::cout << minC.x << <span class="stringliteral">" "</span> << minC.<a class="code hl_variable" href="../../d8/dc8/struct_point.html#a2e1b5fb2b2a83571f5c0bc0f66a73cf7">y</a> << std::endl;</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordflow">return</span> minR;</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span>}</div>
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</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span></div>
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<div class="foldopen" id="foldopen00158" data-start="{" data-end="}">
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"><a class="line" href="../../d0/d01/smallest__circle_8cpp.html#ae1a3968e7947464bee7714f6d43b7002"> 158</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#ae1a3968e7947464bee7714f6d43b7002">test</a>() {</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> std::vector<Point> Pv;</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> Pv.push_back(<a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a>(0, 0));</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> Pv.push_back(<a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a>(5, 4));</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> Pv.push_back(<a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a>(1, 3));</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> Pv.push_back(<a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a>(4, 1));</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> Pv.push_back(<a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a>(3, -2));</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> std::cout << <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a0b0676df8e4da7a08c7ccaecea344903">circle</a>(Pv) << std::endl;</div>
|
|
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span>}</div>
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</div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span></div>
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<div class="foldopen" id="foldopen00173" data-start="{" data-end="}">
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|
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"><a class="line" href="../../d0/d01/smallest__circle_8cpp.html#a0283886819c7c140a023582b7269e2d0"> 173</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a0283886819c7c140a023582b7269e2d0">test2</a>() {</div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> std::vector<Point> Pv;</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> Pv.push_back(<a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a>(0, 0));</div>
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|
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> Pv.push_back(<a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a>(0, 2));</div>
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|
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> Pv.push_back(<a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a>(2, 2));</div>
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|
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> Pv.push_back(<a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a>(2, 0));</div>
|
|
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> std::cout << <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a0b0676df8e4da7a08c7ccaecea344903">circle</a>(Pv) << std::endl;</div>
|
|
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span>}</div>
|
|
</div>
|
|
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span></div>
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|
<div class="foldopen" id="foldopen00188" data-start="{" data-end="}">
|
|
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"><a class="line" href="../../d0/d01/smallest__circle_8cpp.html#a6d0455dd5c30adda100e95f0423c786e"> 188</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a6d0455dd5c30adda100e95f0423c786e">test3</a>() {</div>
|
|
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> std::vector<Point> Pv;</div>
|
|
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> Pv.push_back(<a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a>(0.5, 1));</div>
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|
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> Pv.push_back(<a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a>(3.5, 3));</div>
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|
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> Pv.push_back(<a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a>(2.5, 0));</div>
|
|
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> Pv.push_back(<a class="code hl_struct" href="../../d8/dc8/struct_point.html">Point</a>(2, 1.5));</div>
|
|
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> std::cout << <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a0b0676df8e4da7a08c7ccaecea344903">circle</a>(Pv) << std::endl;</div>
|
|
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span>}</div>
|
|
</div>
|
|
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span></div>
|
|
<div class="foldopen" id="foldopen00198" data-start="{" data-end="}">
|
|
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"><a class="line" href="../../d0/d01/smallest__circle_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 198</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
|
|
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#ae1a3968e7947464bee7714f6d43b7002">test</a>();</div>
|
|
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> std::cout << std::endl;</div>
|
|
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a0283886819c7c140a023582b7269e2d0">test2</a>();</div>
|
|
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> std::cout << std::endl;</div>
|
|
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <a class="code hl_function" href="../../d0/d01/smallest__circle_8cpp.html#a6d0455dd5c30adda100e95f0423c786e">test3</a>();</div>
|
|
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span>}</div>
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</div>
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|
<div class="ttc" id="asmallest__circle_8cpp_html_a0283886819c7c140a023582b7269e2d0"><div class="ttname"><a href="../../d0/d01/smallest__circle_8cpp.html#a0283886819c7c140a023582b7269e2d0">test2</a></div><div class="ttdeci">void test2()</div><div class="ttdef"><b>Definition</b> <a href="#l00173">smallest_circle.cpp:173</a></div></div>
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|
<div class="ttc" id="asmallest__circle_8cpp_html_a0b0676df8e4da7a08c7ccaecea344903"><div class="ttname"><a href="../../d0/d01/smallest__circle_8cpp.html#a0b0676df8e4da7a08c7ccaecea344903">circle</a></div><div class="ttdeci">double circle(const std::vector< Point > &P)</div><div class="ttdef"><b>Definition</b> <a href="#l00087">smallest_circle.cpp:87</a></div></div>
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|
<div class="ttc" id="asmallest__circle_8cpp_html_a3cbebd6f4d2cdf227663c67fe41ba12a"><div class="ttname"><a href="../../d0/d01/smallest__circle_8cpp.html#a3cbebd6f4d2cdf227663c67fe41ba12a">LenghtLine</a></div><div class="ttdeci">double LenghtLine(const Point &A, const Point &B)</div><div class="ttdef"><b>Definition</b> <a href="#l00037">smallest_circle.cpp:37</a></div></div>
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|
<div class="ttc" id="asmallest__circle_8cpp_html_a6d0455dd5c30adda100e95f0423c786e"><div class="ttname"><a href="../../d0/d01/smallest__circle_8cpp.html#a6d0455dd5c30adda100e95f0423c786e">test3</a></div><div class="ttdeci">void test3()</div><div class="ttdef"><b>Definition</b> <a href="#l00188">smallest_circle.cpp:188</a></div></div>
|
|
<div class="ttc" id="asmallest__circle_8cpp_html_a94682a4a70d5906857ca09de5b9fb2cc"><div class="ttname"><a href="../../d0/d01/smallest__circle_8cpp.html#a94682a4a70d5906857ca09de5b9fb2cc">TriangleArea</a></div><div class="ttdeci">double TriangleArea(const Point &A, const Point &B, const Point &C)</div><div class="ttdef"><b>Definition</b> <a href="#l00054">smallest_circle.cpp:54</a></div></div>
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<div class="ttc" id="asmallest__circle_8cpp_html_ae1a3968e7947464bee7714f6d43b7002"><div class="ttname"><a href="../../d0/d01/smallest__circle_8cpp.html#ae1a3968e7947464bee7714f6d43b7002">test</a></div><div class="ttdeci">void test()</div><div class="ttdef"><b>Definition</b> <a href="#l00158">smallest_circle.cpp:158</a></div></div>
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|
<div class="ttc" id="asmallest__circle_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../d0/d01/smallest__circle_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdef"><b>Definition</b> <a href="#l00198">smallest_circle.cpp:198</a></div></div>
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<div class="ttc" id="asmallest__circle_8cpp_html_aee6d48762c1dfb9f14627927f0c16fad"><div class="ttname"><a href="../../d0/d01/smallest__circle_8cpp.html#aee6d48762c1dfb9f14627927f0c16fad">PointInCircle</a></div><div class="ttdeci">bool PointInCircle(const std::vector< Point > &P, const Point &Center, double R)</div><div class="ttdef"><b>Definition</b> <a href="#l00072">smallest_circle.cpp:72</a></div></div>
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<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>
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<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>
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<div class="ttc" id="astruct_point_html_ae2d6fb1b3fd3a96169d963d62e37130a"><div class="ttname"><a href="../../d8/dc8/struct_point.html#ae2d6fb1b3fd3a96169d963d62e37130a">Point::Point</a></div><div class="ttdeci">Point(double a=0.f, double b=0.f)</div><div class="ttdef"><b>Definition</b> <a href="#l00023">smallest_circle.cpp:23</a></div></div>
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