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<div class="headertitle"><div class="title">postfix_evaluation.cpp</div></div>
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<a href="../../d7/d75/postfix__evaluation_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>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;algorithm&gt;</span> <span class="comment">// for all_of</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include &lt;cassert&gt;</span> <span class="comment">// for assert</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include &lt;iostream&gt;</span> <span class="comment">// for io operations</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;stack&gt;</span> <span class="comment">// for std::stack</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include &lt;string&gt;</span> <span class="comment">// for stof</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include &lt;vector&gt;</span> <span class="comment">// for std::vector</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d0/d6f/namespaceothers.html">others</a> {</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d4/de6/namespacepostfix__expression.html">postfix_expression</a> {</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span></div>
<div class="foldopen" id="foldopen00037" data-start="{" data-end="}">
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="../../d7/d75/postfix__evaluation_8cpp.html#a4c27f949c9d6659be9f5bd2ccbe1360a"> 37</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a4c27f949c9d6659be9f5bd2ccbe1360a">is_number</a>(<span class="keyword">const</span> std::string &amp;s) {</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordflow">return</span> !s.empty() &amp;&amp; std::all_of(s.begin(), s.end(), ::isdigit);</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span>}</div>
</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span></div>
<div class="foldopen" id="foldopen00049" data-start="{" data-end="}">
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="../../d7/d75/postfix__evaluation_8cpp.html#a19d995518723c1bc69718c3c33381e30"> 49</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a19d995518723c1bc69718c3c33381e30">evaluate</a>(<span class="keywordtype">float</span> a, <span class="keywordtype">float</span> b, <span class="keyword">const</span> std::string &amp;operation,</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> std::stack&lt;float&gt; &amp;<a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>) {</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordtype">float</span> c = 0;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *op = operation.c_str();</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">switch</span> (*op) {</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">case</span> <span class="charliteral">&#39;+&#39;</span>:</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> c = a + b; <span class="comment">// Addition of numbers</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>.<a class="code hl_function" href="../../d1/dc2/classstack.html#a90df277532c23519aa7ac3c08ed90a1d">push</a>(c);</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">case</span> <span class="charliteral">&#39;-&#39;</span>:</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> c = a - b; <span class="comment">// Subtraction of numbers</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>.<a class="code hl_function" href="../../d1/dc2/classstack.html#a90df277532c23519aa7ac3c08ed90a1d">push</a>(c);</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">case</span> <span class="charliteral">&#39;*&#39;</span>:</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> c = a * b; <span class="comment">// Multiplication of numbers</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>.<a class="code hl_function" href="../../d1/dc2/classstack.html#a90df277532c23519aa7ac3c08ed90a1d">push</a>(c);</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">case</span> <span class="charliteral">&#39;/&#39;</span>:</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> c = a / b; <span class="comment">// Division of numbers</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>.<a class="code hl_function" href="../../d1/dc2/classstack.html#a90df277532c23519aa7ac3c08ed90a1d">push</a>(c);</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Operator not defined\n&quot;</span>;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> }</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span>}</div>
</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="keyword">namespace </span>{</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span><span class="keywordtype">float</span> remove_from_stack(std::stack&lt;float&gt; &amp;<a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>) {</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">if</span> (<a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>.empty()) {</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">&quot;Not enough operands&quot;</span>);</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> }</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">const</span> <span class="keyword">auto</span> res = <a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>.<a class="code hl_function" href="../../d1/dc2/classstack.html#ae09630c4384903d187801921b2ddc709">top</a>();</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>.<a class="code hl_function" href="../../d1/dc2/classstack.html#a3647fb4418890f19e0dc414b8092b8b0">pop</a>();</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span>}</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span>} <span class="comment">// namespace</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span></div>
<div class="foldopen" id="foldopen00097" data-start="{" data-end="}">
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"><a class="line" href="../../d7/d75/postfix__evaluation_8cpp.html#a55fe33d236f61f7a87548f031418bfa0"> 97</a></span><span class="keywordtype">float</span> <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a55fe33d236f61f7a87548f031418bfa0">postfix_evaluation</a>(<span class="keyword">const</span> std::vector&lt;std::string&gt; &amp;input) {</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> std::stack&lt;float&gt; <a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>;</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> &amp;scan : input) {</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a4c27f949c9d6659be9f5bd2ccbe1360a">is_number</a>(scan)) {</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>.<a class="code hl_function" href="../../d1/dc2/classstack.html#a90df277532c23519aa7ac3c08ed90a1d">push</a>(std::stof(scan));</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keyword">const</span> <span class="keyword">auto</span> op2 = remove_from_stack(<a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>);</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">const</span> <span class="keyword">auto</span> op1 = remove_from_stack(<a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>);</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a19d995518723c1bc69718c3c33381e30">evaluate</a>(op1, op2, scan, <a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>);</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> }</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> }</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keyword">const</span> <span class="keyword">auto</span> res = remove_from_stack(<a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>);</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">if</span> (!<a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>.empty()) {</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">&quot;Too many operands&quot;</span>);</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> }</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span>}</div>
</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span>} <span class="comment">// namespace postfix_expression</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span>} <span class="comment">// namespace others</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span></div>
<div class="foldopen" id="foldopen00126" data-start="{" data-end="}">
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"><a class="line" href="../../d7/d75/postfix__evaluation_8cpp.html#a6a8eeb7d346d5cd6335d9780fb7c0f15"> 126</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a6a8eeb7d346d5cd6335d9780fb7c0f15">test_function_1</a>() {</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> std::vector&lt;std::string&gt; input = {<span class="stringliteral">&quot;2&quot;</span>, <span class="stringliteral">&quot;3&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;*&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;9&quot;</span>, <span class="stringliteral">&quot;-&quot;</span>};</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordtype">float</span> answer = <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a55fe33d236f61f7a87548f031418bfa0">others::postfix_expression::postfix_evaluation</a>(input);</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> assert(answer == -4);</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span>}</div>
</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span></div>
<div class="foldopen" id="foldopen00139" data-start="{" data-end="}">
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"><a class="line" href="../../d7/d75/postfix__evaluation_8cpp.html#a5b97d12e8b61484f756a8721992bfae1"> 139</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a5b97d12e8b61484f756a8721992bfae1">test_function_2</a>() {</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> std::vector&lt;std::string&gt; input = {<span class="stringliteral">&quot;100&quot;</span>, <span class="stringliteral">&quot;200&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;2&quot;</span>, <span class="stringliteral">&quot;/&quot;</span>,</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="stringliteral">&quot;5&quot;</span>, <span class="stringliteral">&quot;*&quot;</span>, <span class="stringliteral">&quot;7&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>};</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordtype">float</span> answer = <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a55fe33d236f61f7a87548f031418bfa0">others::postfix_expression::postfix_evaluation</a>(input);</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> assert(answer == 757);</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span>}</div>
</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span><span class="keyword">static</span> <span class="keywordtype">void</span> test_function_3() {</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> std::vector&lt;std::string&gt; input = {</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>,</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;1&quot;</span>,</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>,</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>, <span class="stringliteral">&quot;+&quot;</span>};</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keywordtype">float</span> answer = <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a55fe33d236f61f7a87548f031418bfa0">others::postfix_expression::postfix_evaluation</a>(input);</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> assert(answer == 22);</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span>}</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> </div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span><span class="keyword">static</span> <span class="keywordtype">void</span> test_single_input() {</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> std::vector&lt;std::string&gt; input = {<span class="stringliteral">&quot;1&quot;</span>};</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keywordtype">float</span> answer = <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a55fe33d236f61f7a87548f031418bfa0">others::postfix_expression::postfix_evaluation</a>(input);</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> assert(answer == 1);</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span>}</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span><span class="keyword">static</span> <span class="keywordtype">void</span> test_not_enough_operands() {</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> std::vector&lt;std::string&gt; input = {<span class="stringliteral">&quot;+&quot;</span>};</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keywordtype">bool</span> <span class="keywordflow">throws</span> = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordflow">try</span> {</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a55fe33d236f61f7a87548f031418bfa0">others::postfix_expression::postfix_evaluation</a>(input);</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> } <span class="keywordflow">catch</span> (std::invalid_argument &amp;) {</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordflow">throws</span> = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> }</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> assert(<span class="keywordflow">throws</span>);</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span>}</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span><span class="keyword">static</span> <span class="keywordtype">void</span> test_not_enough_operands_empty_input() {</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> std::vector&lt;std::string&gt; input = {};</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordtype">bool</span> <span class="keywordflow">throws</span> = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keywordflow">try</span> {</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a55fe33d236f61f7a87548f031418bfa0">others::postfix_expression::postfix_evaluation</a>(input);</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> } <span class="keywordflow">catch</span> (std::invalid_argument &amp;) {</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keywordflow">throws</span> = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> }</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> assert(<span class="keywordflow">throws</span>);</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span>}</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span><span class="keyword">static</span> <span class="keywordtype">void</span> test_too_many_operands() {</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> std::vector&lt;std::string&gt; input = {<span class="stringliteral">&quot;1&quot;</span>, <span class="stringliteral">&quot;2&quot;</span>};</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keywordtype">bool</span> <span class="keywordflow">throws</span> = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keywordflow">try</span> {</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a55fe33d236f61f7a87548f031418bfa0">others::postfix_expression::postfix_evaluation</a>(input);</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> } <span class="keywordflow">catch</span> (std::invalid_argument &amp;) {</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">throws</span> = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> }</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> assert(<span class="keywordflow">throws</span>);</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span>}</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span></div>
<div class="foldopen" id="foldopen00202" data-start="{" data-end="}">
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"><a class="line" href="../../d7/d75/postfix__evaluation_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 202</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a6a8eeb7d346d5cd6335d9780fb7c0f15">test_function_1</a>();</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <a class="code hl_function" href="../../d7/d75/postfix__evaluation_8cpp.html#a5b97d12e8b61484f756a8721992bfae1">test_function_2</a>();</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> test_function_3();</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> test_single_input();</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> test_not_enough_operands();</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> test_not_enough_operands_empty_input();</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> test_too_many_operands();</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> std::cout &lt;&lt; <span class="stringliteral">&quot;\nTest implementations passed!\n&quot;</span>;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span>}</div>
</div>
<div class="ttc" id="aclassstack_html"><div class="ttname"><a href="../../d1/dc2/classstack.html">stack</a></div><div class="ttdoc">for std::invalid_argument</div><div class="ttdef"><b>Definition</b> <a href="../../df/d47/stack_8hpp_source.html#l00019">stack.hpp:19</a></div></div>
<div class="ttc" id="aclassstack_html_a3647fb4418890f19e0dc414b8092b8b0"><div class="ttname"><a href="../../d1/dc2/classstack.html#a3647fb4418890f19e0dc414b8092b8b0">stack::pop</a></div><div class="ttdeci">void pop()</div><div class="ttdef"><b>Definition</b> <a href="../../df/d47/stack_8hpp_source.html#l00062">stack.hpp:62</a></div></div>
<div class="ttc" id="aclassstack_html_a90df277532c23519aa7ac3c08ed90a1d"><div class="ttname"><a href="../../d1/dc2/classstack.html#a90df277532c23519aa7ac3c08ed90a1d">stack::push</a></div><div class="ttdeci">void push(const value_type &amp;item)</div><div class="ttdef"><b>Definition</b> <a href="../../df/d47/stack_8hpp_source.html#l00047">stack.hpp:47</a></div></div>
<div class="ttc" id="aclassstack_html_ae09630c4384903d187801921b2ddc709"><div class="ttname"><a href="../../d1/dc2/classstack.html#ae09630c4384903d187801921b2ddc709">stack::top</a></div><div class="ttdeci">value_type top() const</div><div class="ttdef"><b>Definition</b> <a href="../../df/d47/stack_8hpp_source.html#l00056">stack.hpp:56</a></div></div>
<div class="ttc" id="anamespaceothers_html"><div class="ttname"><a href="../../d0/d6f/namespaceothers.html">others</a></div><div class="ttdoc">for vector</div></div>
<div class="ttc" id="anamespacepostfix__expression_html"><div class="ttname"><a href="../../d4/de6/namespacepostfix__expression.html">postfix_expression</a></div><div class="ttdoc">Functions for Postfix Expression algorithm.</div></div>
<div class="ttc" id="apostfix__evaluation_8cpp_html_a19d995518723c1bc69718c3c33381e30"><div class="ttname"><a href="../../d7/d75/postfix__evaluation_8cpp.html#a19d995518723c1bc69718c3c33381e30">others::postfix_expression::evaluate</a></div><div class="ttdeci">void evaluate(float a, float b, const std::string &amp;operation, std::stack&lt; float &gt; &amp;stack)</div><div class="ttdoc">Evaluate answer using given last two operands from and operation.</div><div class="ttdef"><b>Definition</b> <a href="#l00049">postfix_evaluation.cpp:49</a></div></div>
<div class="ttc" id="apostfix__evaluation_8cpp_html_a4c27f949c9d6659be9f5bd2ccbe1360a"><div class="ttname"><a href="../../d7/d75/postfix__evaluation_8cpp.html#a4c27f949c9d6659be9f5bd2ccbe1360a">others::postfix_expression::is_number</a></div><div class="ttdeci">bool is_number(const std::string &amp;s)</div><div class="ttdoc">Checks if scanned string is a number.</div><div class="ttdef"><b>Definition</b> <a href="#l00037">postfix_evaluation.cpp:37</a></div></div>
<div class="ttc" id="apostfix__evaluation_8cpp_html_a55fe33d236f61f7a87548f031418bfa0"><div class="ttname"><a href="../../d7/d75/postfix__evaluation_8cpp.html#a55fe33d236f61f7a87548f031418bfa0">others::postfix_expression::postfix_evaluation</a></div><div class="ttdeci">float postfix_evaluation(const std::vector&lt; std::string &gt; &amp;input)</div><div class="ttdoc">Postfix Evaluation algorithm to compute the value from given input array.</div><div class="ttdef"><b>Definition</b> <a href="#l00097">postfix_evaluation.cpp:97</a></div></div>
<div class="ttc" id="apostfix__evaluation_8cpp_html_a5b97d12e8b61484f756a8721992bfae1"><div class="ttname"><a href="../../d7/d75/postfix__evaluation_8cpp.html#a5b97d12e8b61484f756a8721992bfae1">test_function_2</a></div><div class="ttdeci">static void test_function_2()</div><div class="ttdoc">Test function 2 with input array {&#39;100&#39;, &#39;200&#39;, &#39;+&#39;, &#39;2&#39;, &#39;/&#39;, &#39;5&#39;, &#39;*&#39;, &#39;7&#39;, &#39;+&#39;}...</div><div class="ttdef"><b>Definition</b> <a href="#l00139">postfix_evaluation.cpp:139</a></div></div>
<div class="ttc" id="apostfix__evaluation_8cpp_html_a6a8eeb7d346d5cd6335d9780fb7c0f15"><div class="ttname"><a href="../../d7/d75/postfix__evaluation_8cpp.html#a6a8eeb7d346d5cd6335d9780fb7c0f15">test_function_1</a></div><div class="ttdeci">static void test_function_1()</div><div class="ttdoc">Test function 1 with input array {&#39;2&#39;, &#39;3&#39;, &#39;1&#39;, &#39;*&#39;, &#39;+&#39;, &#39;9&#39;, &#39;-&#39;}.</div><div class="ttdef"><b>Definition</b> <a href="#l00126">postfix_evaluation.cpp:126</a></div></div>
<div class="ttc" id="apostfix__evaluation_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../d7/d75/postfix__evaluation_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdoc">Main function.</div><div class="ttdef"><b>Definition</b> <a href="#l00202">postfix_evaluation.cpp:202</a></div></div>
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