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<div class="headertitle"><div class="title">midpoint_integral_method.cpp</div></div>
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<a href="../../df/d11/midpoint__integral__method_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="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <cassert></span> </div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <cmath></span> </div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include <cstdint></span> </div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include <cstdlib></span> </div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include <functional></span> </div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include <iostream></span> </div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include <map></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="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d1/de0/namespacenumerical__methods.html">numerical_methods</a> {</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d9/daa/namespacemidpoint__rule.html">midpoint_rule</a> {</div>
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<div class="foldopen" id="foldopen00052" data-start="{" data-end="}">
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"><a class="line" href="../../df/d11/midpoint__integral__method_8cpp.html#a7072493d1f0f8a91b2a71d4cc456c09c"> 52</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="../../df/d11/midpoint__integral__method_8cpp.html#a7072493d1f0f8a91b2a71d4cc456c09c">midpoint</a>(<span class="keyword">const</span> std::int32_t N, <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>, <span class="keyword">const</span> <span class="keywordtype">double</span> a,</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">const</span> std::function<<span class="keywordtype">double</span>(<span class="keywordtype">double</span>)>& func) {</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> std::map<int, double></div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> data_table; <span class="comment">// Contains the data points, key: i, value: f(xi)</span></div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordtype">double</span> xi = a; <span class="comment">// Initialize xi to the starting point x0 = a</span></div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> </div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// Create the data table</span></div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// Loop from x0 to xN-1</span></div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordtype">double</span> temp = NAN;</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">for</span> (std::int32_t i = 0; i < N; i++) {</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> temp = func(xi + <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a> / 2); <span class="comment">// find f(xi+h/2)</span></div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> data_table.insert(</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> std::pair<std::int32_t, double>(i, temp)); <span class="comment">// add i and f(xi)</span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> xi += <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>; <span class="comment">// Get the next point xi for the next iteration</span></div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> }</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> </div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="comment">// Evaluate the integral.</span></div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// Remember: {f(x0+h/2) + f(x1+h/2) + ... + f(xN-1+h/2)}</span></div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordtype">double</span> evaluate_integral = 0;</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">for</span> (std::int32_t i = 0; i < N; i++) evaluate_integral += data_table.at(i);</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// Multiply by the coefficient h</span></div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> evaluate_integral *= <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>;</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="comment">// If the result calculated is nan, then the user has given wrong input</span></div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="comment">// interval.</span></div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> assert(!std::isnan(evaluate_integral) &&</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="stringliteral">"The definite integral can't be evaluated. Check the validity of "</span></div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="stringliteral">"your input.\n"</span>);</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="comment">// Else return</span></div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">return</span> evaluate_integral;</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span>}</div>
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</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span></div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"><a class="line" href="../../df/d11/midpoint__integral__method_8cpp.html#a7ee8e824ef3e138a9a21883b26d97226"> 90</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="../../df/d11/midpoint__integral__method_8cpp.html#a7ee8e824ef3e138a9a21883b26d97226">f</a>(<span class="keywordtype">double</span> x) { <span class="keywordflow">return</span> std::sqrt(x) + std::log(x); }</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"><a class="line" href="../../df/d11/midpoint__integral__method_8cpp.html#ae682ee71af44b1e9e884849cc6a6b040"> 97</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="../../df/d11/midpoint__integral__method_8cpp.html#ae682ee71af44b1e9e884849cc6a6b040">g</a>(<span class="keywordtype">double</span> x) { <span class="keywordflow">return</span> std::exp(-x) * (4 - std::pow(x, 2)); }</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"><a class="line" href="../../df/d11/midpoint__integral__method_8cpp.html#ae9f66040f8e0ba73c1c741261c22a52a"> 103</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="../../df/d11/midpoint__integral__method_8cpp.html#ae9f66040f8e0ba73c1c741261c22a52a">k</a>(<span class="keywordtype">double</span> x) { <span class="keywordflow">return</span> std::sqrt(2 * std::pow(x, 3) + 3); }</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"><a class="line" href="../../df/d11/midpoint__integral__method_8cpp.html#ad53616fb4fa6880ae876bcba53365c51"> 109</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="../../df/d11/midpoint__integral__method_8cpp.html#ad53616fb4fa6880ae876bcba53365c51">l</a>(<span class="keywordtype">double</span> x) { <span class="keywordflow">return</span> x + std::log(2 * x + 1); }</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span>} <span class="comment">// namespace midpoint_rule</span></div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span>} <span class="comment">// namespace numerical_methods</span></div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span></div>
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<div class="foldopen" id="foldopen00123" data-start="{" data-end="}">
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"><a class="line" href="../../df/d11/midpoint__integral__method_8cpp.html#a2ae48a41e43dc6ab11b962742349646e"> 123</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>(std::int32_t N, <span class="keywordtype">double</span> <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>, <span class="keywordtype">double</span> a, <span class="keywordtype">double</span> b,</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordtype">bool</span> used_argv_parameters) {</div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="comment">// Call midpoint() for each of the test functions f, g, k, l</span></div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="comment">// Assert with two decimal point precision</span></div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordtype">double</span> result_f = <a class="code hl_function" href="../../df/d11/midpoint__integral__method_8cpp.html#a7072493d1f0f8a91b2a71d4cc456c09c">numerical_methods::midpoint_rule::midpoint</a>(</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> N, <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>, a, <a class="code hl_function" href="../../df/d11/midpoint__integral__method_8cpp.html#a7ee8e824ef3e138a9a21883b26d97226">numerical_methods::midpoint_rule::f</a>);</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> assert((used_argv_parameters || (result_f >= 4.09 && result_f <= 4.10)) &&</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="stringliteral">"The result of f(x) is wrong"</span>);</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> std::cout << <span class="stringliteral">"The result of integral f(x) on interval ["</span> << a << <span class="stringliteral">", "</span> << b</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> << <span class="stringliteral">"] is equal to: "</span> << result_f << std::endl;</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> </div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordtype">double</span> result_g = <a class="code hl_function" href="../../df/d11/midpoint__integral__method_8cpp.html#a7072493d1f0f8a91b2a71d4cc456c09c">numerical_methods::midpoint_rule::midpoint</a>(</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> N, <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>, a, <a class="code hl_function" href="../../df/d11/midpoint__integral__method_8cpp.html#ae682ee71af44b1e9e884849cc6a6b040">numerical_methods::midpoint_rule::g</a>);</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> assert((used_argv_parameters || (result_g >= 0.27 && result_g <= 0.28)) &&</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="stringliteral">"The result of g(x) is wrong"</span>);</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> std::cout << <span class="stringliteral">"The result of integral g(x) on interval ["</span> << a << <span class="stringliteral">", "</span> << b</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> << <span class="stringliteral">"] is equal to: "</span> << result_g << std::endl;</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordtype">double</span> result_k = <a class="code hl_function" href="../../df/d11/midpoint__integral__method_8cpp.html#a7072493d1f0f8a91b2a71d4cc456c09c">numerical_methods::midpoint_rule::midpoint</a>(</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> N, <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>, a, <a class="code hl_function" href="../../df/d11/midpoint__integral__method_8cpp.html#ae9f66040f8e0ba73c1c741261c22a52a">numerical_methods::midpoint_rule::k</a>);</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> assert((used_argv_parameters || (result_k >= 9.06 && result_k <= 9.07)) &&</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="stringliteral">"The result of k(x) is wrong"</span>);</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> std::cout << <span class="stringliteral">"The result of integral k(x) on interval ["</span> << a << <span class="stringliteral">", "</span> << b</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> << <span class="stringliteral">"] is equal to: "</span> << result_k << std::endl;</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> <span class="keywordtype">double</span> result_l = <a class="code hl_function" href="../../df/d11/midpoint__integral__method_8cpp.html#a7072493d1f0f8a91b2a71d4cc456c09c">numerical_methods::midpoint_rule::midpoint</a>(</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> N, <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>, a, <a class="code hl_function" href="../../df/d11/midpoint__integral__method_8cpp.html#ad53616fb4fa6880ae876bcba53365c51">numerical_methods::midpoint_rule::l</a>);</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> assert((used_argv_parameters || (result_l >= 7.16 && result_l <= 7.17)) &&</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="stringliteral">"The result of l(x) is wrong"</span>);</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> std::cout << <span class="stringliteral">"The result of integral l(x) on interval ["</span> << a << <span class="stringliteral">", "</span> << b</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> << <span class="stringliteral">"] is equal to: "</span> << result_l << std::endl;</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span>}</div>
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</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span></div>
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<div class="foldopen" id="foldopen00162" data-start="{" data-end="}">
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"><a class="line" href="../../df/d11/midpoint__integral__method_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627"> 162</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#gae66f6b31b5ad750f1fe042a706a4e3d4">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>** argv) {</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> std::int32_t N =</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> 16; </div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordtype">double</span> a = 1, b = 3; </div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordtype">double</span> <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a> = NAN; </div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordtype">bool</span> used_argv_parameters =</div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keyword">false</span>; <span class="comment">// If argv parameters are used then the assert must be omitted</span></div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="comment">// for the test cases</span></div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="comment">// Get user input (by the command line parameters or the console after</span></div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="comment">// displaying messages)</span></div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="keywordflow">if</span> (argc == 4) {</div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> N = std::atoi(argv[1]);</div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> a = std::atof(argv[2]);</div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> b = std::atof(argv[3]);</div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="comment">// Check if a<b else abort</span></div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> assert(a < b && <span class="stringliteral">"a has to be less than b"</span>);</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> assert(N > 0 && <span class="stringliteral">"N has to be > 0"</span>);</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keywordflow">if</span> (N < 4 || a != 1 || b != 3) {</div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> used_argv_parameters = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> }</div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> std::cout << <span class="stringliteral">"You selected N="</span> << N << <span class="stringliteral">", a="</span> << a << <span class="stringliteral">", b="</span> << b</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> << std::endl;</div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> std::cout << <span class="stringliteral">"Default N="</span> << N << <span class="stringliteral">", a="</span> << a << <span class="stringliteral">", b="</span> << b</div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> << std::endl;</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> }</div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> </div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="comment">// Find the step</span></div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a> = (b - a) / N;</div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> </div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>(N, <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>, a, b, used_argv_parameters); <span class="comment">// run self-test implementations</span></div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> </div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span>}</div>
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</div>
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<div class="ttc" id="agenerate__parentheses_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Self-test implementations.</div><div class="ttdef"><b>Definition</b> <a href="../../dd/d1e/generate__parentheses_8cpp_source.html#l00082">generate_parentheses.cpp:82</a></div></div>
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<div class="ttc" id="agenerate__parentheses_8cpp_html_gae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../dd/d1e/generate__parentheses_8cpp.html#gae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdoc">Main function.</div><div class="ttdef"><b>Definition</b> <a href="../../dd/d1e/generate__parentheses_8cpp_source.html#l00110">generate_parentheses.cpp:110</a></div></div>
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<div class="ttc" id="ahash__search_8cpp_html_a566eaf0ffafd50bc61e644561fd27001"><div class="ttname"><a href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a></div><div class="ttdeci">int h(int key)</div><div class="ttdef"><b>Definition</b> <a href="../../d1/df3/hash__search_8cpp_source.html#l00045">hash_search.cpp:45</a></div></div>
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<div class="ttc" id="amidpoint__integral__method_8cpp_html_a7072493d1f0f8a91b2a71d4cc456c09c"><div class="ttname"><a href="../../df/d11/midpoint__integral__method_8cpp.html#a7072493d1f0f8a91b2a71d4cc456c09c">numerical_methods::midpoint_rule::midpoint</a></div><div class="ttdeci">double midpoint(const std::int32_t N, const double h, const double a, const std::function< double(double)> &func)</div><div class="ttdoc">Main function for implementing the Midpoint Integral Method implementation.</div><div class="ttdef"><b>Definition</b> <a href="#l00052">midpoint_integral_method.cpp:52</a></div></div>
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<div class="ttc" id="amidpoint__integral__method_8cpp_html_a7ee8e824ef3e138a9a21883b26d97226"><div class="ttname"><a href="../../df/d11/midpoint__integral__method_8cpp.html#a7ee8e824ef3e138a9a21883b26d97226">numerical_methods::midpoint_rule::f</a></div><div class="ttdeci">double f(double x)</div><div class="ttdoc">A function f(x) that will be used to test the method.</div><div class="ttdef"><b>Definition</b> <a href="#l00090">midpoint_integral_method.cpp:90</a></div></div>
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<div class="ttc" id="amidpoint__integral__method_8cpp_html_ad53616fb4fa6880ae876bcba53365c51"><div class="ttname"><a href="../../df/d11/midpoint__integral__method_8cpp.html#ad53616fb4fa6880ae876bcba53365c51">numerical_methods::midpoint_rule::l</a></div><div class="ttdeci">double l(double x)</div><div class="ttdoc">A function l(x) that will be used to test the method.</div><div class="ttdef"><b>Definition</b> <a href="#l00109">midpoint_integral_method.cpp:109</a></div></div>
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<div class="ttc" id="amidpoint__integral__method_8cpp_html_ae682ee71af44b1e9e884849cc6a6b040"><div class="ttname"><a href="../../df/d11/midpoint__integral__method_8cpp.html#ae682ee71af44b1e9e884849cc6a6b040">numerical_methods::midpoint_rule::g</a></div><div class="ttdeci">double g(double x)</div><div class="ttdoc">A function g(x) that will be used to test the method.</div><div class="ttdef"><b>Definition</b> <a href="#l00097">midpoint_integral_method.cpp:97</a></div></div>
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<div class="ttc" id="amidpoint__integral__method_8cpp_html_ae9f66040f8e0ba73c1c741261c22a52a"><div class="ttname"><a href="../../df/d11/midpoint__integral__method_8cpp.html#ae9f66040f8e0ba73c1c741261c22a52a">numerical_methods::midpoint_rule::k</a></div><div class="ttdeci">double k(double x)</div><div class="ttdoc">A function k(x) that will be used to test the method.</div><div class="ttdef"><b>Definition</b> <a href="#l00103">midpoint_integral_method.cpp:103</a></div></div>
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<div class="ttc" id="anamespacemidpoint__rule_html"><div class="ttname"><a href="../../d9/daa/namespacemidpoint__rule.html">midpoint_rule</a></div><div class="ttdoc">Functions for the Midpoint Integral method implementation.</div></div>
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<div class="ttc" id="anamespacenumerical__methods_html"><div class="ttname"><a href="../../d1/de0/namespacenumerical__methods.html">numerical_methods</a></div><div class="ttdoc">for assert</div></div>
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