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- <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef root_value_hpp</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define root_value_hpp</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include "<a class="code" href="value_8hpp.html">filval/value.hpp</a>"</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include "TLorentzVector.h"</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="keyword">namespace </span><a class="code" href="namespacefv_1_1root.html">fv::root</a>{</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> </div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="keyword">class </span>LorentzVectors : <span class="keyword">public</span> DerivedValue<std::vector<TLorentzVector>>{</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  Value<std::vector<float>> *pt_val;</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  Value<std::vector<float>> *eta_val;</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  Value<std::vector<float>> *phi_val;</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  Value<std::vector<float>> *mass_val;</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  <span class="keywordtype">void</span> update_value(){</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="keyword">auto</span> pt = pt_val->get_value();</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="keyword">auto</span> eta = eta_val->get_value();</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keyword">auto</span> phi = phi_val->get_value();</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keyword">auto</span> mass = mass_val->get_value();</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  std::vector<int> sizes = {pt.size(), eta.size(), phi.size(), mass.size()};</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keywordtype">int</span> size = *std::min_element(sizes.begin(), sizes.end());</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  this->value.clear();</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  TLorentzVector lv;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i =0; i<size; i++){</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  lv.SetPtEtaPhiM(pt[i], eta[i], phi[i], mass[i]);</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  this->value.push_back(lv);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  }</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  }</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  LorentzVectors(Value<std::vector<float>>* pt,</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  Value<std::vector<float>>* eta,</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  Value<std::vector<float>>* phi,</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  Value<std::vector<float>>* mass,</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">const</span> std::string& alias)</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  :DerivedValue<<a class="code" href="namespacestd.html">std</a>::vector<TLorentzVector>>(<span class="stringliteral">"lorentz_vectors("</span>+pt->get_name()+<span class="stringliteral">","</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  +eta->get_name()+<span class="stringliteral">","</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  +phi->get_name()+<span class="stringliteral">","</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  +mass->get_name()+<span class="stringliteral">")"</span>,</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  alias),</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  pt_val(pt), eta_val(eta), phi_val(phi), mass_val(mass) { }</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> };</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">class </span>Energies : <span class="keyword">public</span> DerivedValue<std::vector<float>>{</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  Value<std::vector<TLorentzVector>> *vectors;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">void</span> update_value(){</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  std::vector<TLorentzVector>& vecs = vectors->get_value();</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  this->value.clear();</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> v : vecs){</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  this->value.push_back(v.Energy());</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  Energies(Value<std::vector<TLorentzVector>> *vectors,</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">const</span> std::string& alias)</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  :DerivedValue<<a class="code" href="namespacestd.html">std</a>::vector<float>>(<span class="stringliteral">"energies("</span>+vectors->get_name()+<span class="stringliteral">")"</span>, alias),</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  vectors(vectors) { }</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> };</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> }</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#endif // root_value_hpp</span></div><div class="ttc" id="namespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div></div>
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