Files
C-Plus-Plus/db/d6b/kelvin__to__celsius_8cpp_source.html
2025-07-09 10:53:16 +00:00

180 lines
15 KiB
HTML

<!-- HTML header for doxygen 1.12.0-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.14.0"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>TheAlgorithms/C++: others/kelvin_to_celsius.cpp Source File</title>
<link rel="icon" href="../../favicon.svg" type="image/x-icon" />
<link href="../../tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../jquery.js"></script>
<script type="text/javascript" src="../../dynsections.js"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/@xpack-3rd-party/doxygen-awesome-css@2.2.0-1/doxygen-awesome-darkmode-toggle.js"></script>
<script type="text/javascript">
DoxygenAwesomeDarkModeToggle.init()
</script>
<script type="text/javascript" src="../../clipboard.js"></script>
<link href="../../navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../navtreedata.js"></script>
<script type="text/javascript" src="../../navtree.js"></script>
<script type="text/javascript" src="../../cookie.js"></script>
<link href="../../search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../search/searchdata.js"></script>
<script type="text/javascript" src="../../search/search.js"></script>
<script type="text/javascript">
window.MathJax = {
options: {
ignoreHtmlClass: 'tex2jax_ignore',
processHtmlClass: 'tex2jax_process'
},
loader: {
load: ['[tex]/ams']
},
tex: {
macros: {},
packages: ['base','configmacros','ams']
}
};
</script>
<script type="text/javascript" id="MathJax-script" async="async" src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js"></script>
<link href="../../doxygen.css" rel="stylesheet" type="text/css" />
<link href="../../doxygen-awesome.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr id="projectrow">
<td id="projectlogo"><img alt="Logo" src="../../project_logo.png"/></td>
<td id="projectalign">
<div id="projectname">TheAlgorithms/C++<span id="projectnumber">&#160;1.0.0</span>
</div>
<div id="projectbrief">All the algorithms implemented in C++</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.14.0 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "../../search/",'.html');
</script>
<script type="text/javascript">
$(function() { codefold.init(); });
</script>
<script type="text/javascript" src="../../menudata.js"></script>
<script type="text/javascript" src="../../menu.js"></script>
<script type="text/javascript">
$(function() {
initMenu('../../',true,false,'search.php','Search',true);
$(function() { init_search(); });
});
</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(function(){initNavTree('db/d6b/kelvin__to__celsius_8cpp_source.html','../../',''); });
</script>
<div id="container">
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<div id="MSearchResults">
<div class="SRPage">
<div id="SRIndex">
<div id="SRResults"></div>
<div class="SRStatus" id="Loading">Loading...</div>
<div class="SRStatus" id="Searching">Searching...</div>
<div class="SRStatus" id="NoMatches">No Matches</div>
</div>
</div>
</div>
</div>
<div class="header">
<div class="headertitle"><div class="title">kelvin_to_celsius.cpp</div></div>
</div><!--header-->
<div class="contents">
<a href="../../db/d6b/kelvin__to__celsius_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="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &lt;cassert&gt;</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &lt;cmath&gt;</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &lt;iostream&gt;</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d0/d6f/namespaceothers.html">others</a> {</div>
<div class="foldopen" id="foldopen00040" data-start="{" data-end="}">
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"><a class="line" href="../../d0/d6f/namespaceothers.html#aa17dc6d061dff34f6b9a610bc5e26703"> 40</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="../../d0/d6f/namespaceothers.html#aa17dc6d061dff34f6b9a610bc5e26703">are_almost_equal</a>(<span class="keywordtype">double</span> a, <span class="keywordtype">double</span> b, <span class="keywordtype">double</span> absolute_tolerance = 0.0001) {</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordflow">return</span> std::abs(a - b) &lt; absolute_tolerance;</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span>}</div>
</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</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="../../d0/d6f/namespaceothers.html#a48677fae5d683070432b1a905722d9ec"> 49</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="../../d0/d6f/namespaceothers.html#a48677fae5d683070432b1a905722d9ec">kelvin_to_celsius</a>(<span class="keywordtype">double</span> temperature_in_k) {</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">const</span> <span class="keywordtype">double</span> absolute_zero_in_c = -273.15;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">if</span> (temperature_in_k &lt; absolute_zero_in_c) {</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">&quot;input temperature below absolute zero&quot;</span>);</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> }</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">return</span> temperature_in_k + absolute_zero_in_c;</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span>}</div>
</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span>} <span class="comment">// namespace others</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span></div>
<div class="foldopen" id="foldopen00062" data-start="{" data-end="}">
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="../../db/d6b/kelvin__to__celsius_8cpp.html#a483bb8ccf42aaf7375a83e91490eda1e"> 62</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../db/d6b/kelvin__to__celsius_8cpp.html#a483bb8ccf42aaf7375a83e91490eda1e">tests</a>() {</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> assert(<a class="code hl_function" href="../../d0/d6f/namespaceothers.html#aa17dc6d061dff34f6b9a610bc5e26703">others::are_almost_equal</a>(<a class="code hl_function" href="../../d0/d6f/namespaceothers.html#a48677fae5d683070432b1a905722d9ec">others::kelvin_to_celsius</a>(230), -43.15));</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> assert(<a class="code hl_function" href="../../d0/d6f/namespaceothers.html#aa17dc6d061dff34f6b9a610bc5e26703">others::are_almost_equal</a>(<a class="code hl_function" href="../../d0/d6f/namespaceothers.html#a48677fae5d683070432b1a905722d9ec">others::kelvin_to_celsius</a>(512), 238.85));</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> assert(<a class="code hl_function" href="../../d0/d6f/namespaceothers.html#aa17dc6d061dff34f6b9a610bc5e26703">others::are_almost_equal</a>(<a class="code hl_function" href="../../d0/d6f/namespaceothers.html#a48677fae5d683070432b1a905722d9ec">others::kelvin_to_celsius</a>(55), -218.15));</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> assert(<a class="code hl_function" href="../../d0/d6f/namespaceothers.html#aa17dc6d061dff34f6b9a610bc5e26703">others::are_almost_equal</a>(<a class="code hl_function" href="../../d0/d6f/namespaceothers.html#a48677fae5d683070432b1a905722d9ec">others::kelvin_to_celsius</a>(77), -196.15));</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> assert(<a class="code hl_function" href="../../d0/d6f/namespaceothers.html#aa17dc6d061dff34f6b9a610bc5e26703">others::are_almost_equal</a>(<a class="code hl_function" href="../../d0/d6f/namespaceothers.html#a48677fae5d683070432b1a905722d9ec">others::kelvin_to_celsius</a>(9.78), -263.37));</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> assert(<a class="code hl_function" href="../../d0/d6f/namespaceothers.html#aa17dc6d061dff34f6b9a610bc5e26703">others::are_almost_equal</a>(<a class="code hl_function" href="../../d0/d6f/namespaceothers.html#a48677fae5d683070432b1a905722d9ec">others::kelvin_to_celsius</a>(15), -258.15));</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> assert(<a class="code hl_function" href="../../d0/d6f/namespaceothers.html#aa17dc6d061dff34f6b9a610bc5e26703">others::are_almost_equal</a>(<a class="code hl_function" href="../../d0/d6f/namespaceothers.html#a48677fae5d683070432b1a905722d9ec">others::kelvin_to_celsius</a>(273.15), 0));</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> std::cout &lt;&lt; <span class="stringliteral">&quot;All tests have successfully passed!\n&quot;</span>;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span>}</div>
</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span></div>
<div class="foldopen" id="foldopen00078" data-start="{" data-end="}">
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"><a class="line" href="../../db/d6b/kelvin__to__celsius_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 78</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../db/d6b/kelvin__to__celsius_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <a class="code hl_function" href="../../db/d6b/kelvin__to__celsius_8cpp.html#a483bb8ccf42aaf7375a83e91490eda1e">tests</a>(); <span class="comment">// run self-test implementations</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span>}</div>
</div>
<div class="ttc" id="akelvin__to__celsius_8cpp_html_a483bb8ccf42aaf7375a83e91490eda1e"><div class="ttname"><a href="../../db/d6b/kelvin__to__celsius_8cpp.html#a483bb8ccf42aaf7375a83e91490eda1e">tests</a></div><div class="ttdeci">static void tests()</div><div class="ttdoc">Self-test implementations.</div><div class="ttdef"><b>Definition</b> <a href="#l00062">kelvin_to_celsius.cpp:62</a></div></div>
<div class="ttc" id="akelvin__to__celsius_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../db/d6b/kelvin__to__celsius_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="#l00078">kelvin_to_celsius.cpp:78</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="anamespaceothers_html_a48677fae5d683070432b1a905722d9ec"><div class="ttname"><a href="../../d0/d6f/namespaceothers.html#a48677fae5d683070432b1a905722d9ec">others::kelvin_to_celsius</a></div><div class="ttdeci">double kelvin_to_celsius(double temperature_in_k)</div><div class="ttdoc">Conversion from Kelvin to Celsius algorithm.</div><div class="ttdef"><b>Definition</b> <a href="#l00049">kelvin_to_celsius.cpp:49</a></div></div>
<div class="ttc" id="anamespaceothers_html_aa17dc6d061dff34f6b9a610bc5e26703"><div class="ttname"><a href="../../d0/d6f/namespaceothers.html#aa17dc6d061dff34f6b9a610bc5e26703">others::are_almost_equal</a></div><div class="ttdeci">bool are_almost_equal(double a, double b, double absolute_tolerance=0.0001)</div><div class="ttdoc">Compare two floating point numbers with a certain tolerance. This is needed as with some values,...</div><div class="ttdef"><b>Definition</b> <a href="#l00040">kelvin_to_celsius.cpp:40</a></div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
</div><!-- container -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a href="../../dir_9510827d0b234b3cc54b29892f217477.html">others</a></li><li class="navelem"><a href="../../db/d6b/kelvin__to__celsius_8cpp.html">kelvin_to_celsius.cpp</a></li>
<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="../../doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.14.0 </li>
</ul>
</div>
</body>
</html>