217 lines
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HTML
217 lines
26 KiB
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<a href="binpacking__2d__parser_8cc.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><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include "<a class="code" href="binpacking__2d__parser_8h.html">ortools/packing/binpacking_2d_parser.h</a>"</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include "absl/strings/numbers.h"</span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include "absl/strings/str_split.h"</span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include "<a class="code" href="filelineiter_8h.html">ortools/base/filelineiter.h</a>"</span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="keyword">namespace </span>packing {</div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"><a class="line" href="classoperations__research_1_1packing_1_1_bin_packing2d_parser.html#a904fde888cc388ae7618525cdd54f322"> 24</a></span><a class="code hl_function" href="classoperations__research_1_1packing_1_1_bin_packing2d_parser.html#a904fde888cc388ae7618525cdd54f322">BinPacking2dParser::BinPacking2dParser</a>()</div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> : num_dimensions_(-1),</div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> load_status_(NOT_STARTED),</div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> num_items_(0),</div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> instances_seen_(0) {}</div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"><a class="line" href="classoperations__research_1_1packing_1_1_bin_packing2d_parser.html#a66fee8bb7da86c6bd9ca8fe5ffb17862"> 30</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1packing_1_1_bin_packing2d_parser.html#a66fee8bb7da86c6bd9ca8fe5ffb17862">BinPacking2dParser::Load2BPFile</a>(<span class="keyword">const</span> std::string& file_name,</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keywordtype">int</span> instance) {</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keywordflow">if</span> (load_status_ != NOT_STARTED) {</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> }</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> num_dimensions_ = 2;</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> std::string& line : <a class="code hl_class" href="class_file_lines.html">FileLines</a>(file_name)) {</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> ProcessNew2BpLine(line, instance);</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">if</span> (load_status_ == PARSING_FINISHED) {</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> }</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> }</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keywordflow">return</span> num_items_ == problem_.<a class="code hl_function" href="classoperations__research_1_1packing_1_1_multiple_dimensions_bin_packing_problem.html#ad74a32025f951b3ac25cc8b651b20c3b">items_size</a>() && num_items_ > 0;</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>}</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="keywordtype">void</span> BinPacking2dParser::ProcessNew2BpLine(<span class="keyword">const</span> std::string& line,</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordtype">int</span> instance) {</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">const</span> std::vector<std::string> words =</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> absl::StrSplit(line, absl::ByAnyChar(<span class="stringliteral">" :\t\r"</span>), absl::SkipEmpty());</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">if</span> (words.size() == 3 && words[1] == <span class="stringliteral">"PROBLEM"</span> && words[2] == <span class="stringliteral">"CLASS"</span>) {</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// New instance starting.</span></div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> instances_seen_++;</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">if</span> (load_status_ == NOT_STARTED && instances_seen_ == instance) {</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> load_status_ = INSTANCE_FOUND;</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (instances_seen_ > instance) {</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> load_status_ = PARSING_FINISHED;</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> }</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> }</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">if</span> (load_status_ == INSTANCE_FOUND) {</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">if</span> (words.empty()) {</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (words.size() == 2 || words[2] == <span class="stringliteral">"H(I),W(I),I=1,...,N"</span>) {</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="comment">// Reading an item.</span></div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <a class="code hl_define" href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a>(num_items_, 0);</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <a class="code hl_define" href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a>(problem_.<a class="code hl_function" href="classoperations__research_1_1packing_1_1_multiple_dimensions_bin_packing_problem.html#ad74a32025f951b3ac25cc8b651b20c3b">items_size</a>(), num_items_);</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> MultipleDimensionsBinPackingItem* item = problem_.<a class="code hl_function" href="classoperations__research_1_1packing_1_1_multiple_dimensions_bin_packing_problem.html#a23af7f644393aa2890e293e66723e010">add_items</a>();</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> MultipleDimensionsBinPackingShape* shape = item-><a class="code hl_function" href="classoperations__research_1_1packing_1_1_multiple_dimensions_bin_packing_item.html#a31d65ffe6c802f891343333c773baa2c">add_shapes</a>();</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> int64_t dim;</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(absl::SimpleAtoi(words[0], &dim));</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> shape->add_dimensions(dim);</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(absl::SimpleAtoi(words[1], &dim));</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> shape->add_dimensions(dim);</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> item->set_value(1);</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (words[1] == <span class="stringliteral">"N."</span>) { <span class="comment">// Reading the number of item.</span></div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(absl::SimpleAtoi(words[0], &num_items_));</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (words[2] == <span class="stringliteral">"RELATIVE"</span>) {</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="comment">// Just double checking.</span></div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordtype">int</span> local_instance;</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(absl::SimpleAtoi(words[0], &local_instance));</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <a class="code hl_define" href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a>(local_instance, (instance - 1) % 10 + 1);</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (words[2] == <span class="stringliteral">"HBIN,WBIN"</span>) {</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> MultipleDimensionsBinPackingShape* box_shape =</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> problem_.<a class="code hl_function" href="classoperations__research_1_1packing_1_1_multiple_dimensions_bin_packing_problem.html#af4993836cdac1d183d24696f37a56288">mutable_box_shape</a>();</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> int64_t dim;</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(absl::SimpleAtoi(words[0], &dim));</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> box_shape->add_dimensions(dim);</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_define" href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a>(absl::SimpleAtoi(words[1], &dim));</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> box_shape->add_dimensions(dim);</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> }</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> }</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span>}</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>} <span class="comment">// namespace packing</span></div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274"><div class="ttname"><a href="base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274">CHECK</a></div><div class="ttdeci">#define CHECK(condition)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00495">base/logging.h:495</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a4bd2e815ca2f702a4b6aa744b1ff3b82"><div class="ttname"><a href="base_2logging_8h.html#a4bd2e815ca2f702a4b6aa744b1ff3b82">CHECK_LT</a></div><div class="ttdeci">#define CHECK_LT(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00705">base/logging.h:705</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b"><div class="ttname"><a href="base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b">CHECK_EQ</a></div><div class="ttdeci">#define CHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00702">base/logging.h:702</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ab25e01a2942b821d66371fc68d53f2eb"><div class="ttname"><a href="base_2logging_8h.html#ab25e01a2942b821d66371fc68d53f2eb">CHECK_NE</a></div><div class="ttdeci">#define CHECK_NE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00703">base/logging.h:703</a></div></div>
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<div class="ttc" id="abinpacking__2d__parser_8h_html"><div class="ttname"><a href="binpacking__2d__parser_8h.html">binpacking_2d_parser.h</a></div></div>
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<div class="ttc" id="aclass_file_lines_html"><div class="ttname"><a href="class_file_lines.html">FileLines</a></div><div class="ttdef"><b>Definition:</b> <a href="filelineiter_8h_source.html#l00115">filelineiter.h:115</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1packing_1_1_bin_packing2d_parser_html_a66fee8bb7da86c6bd9ca8fe5ffb17862"><div class="ttname"><a href="classoperations__research_1_1packing_1_1_bin_packing2d_parser.html#a66fee8bb7da86c6bd9ca8fe5ffb17862">operations_research::packing::BinPacking2dParser::Load2BPFile</a></div><div class="ttdeci">bool Load2BPFile(const std::string &file_name, int instance)</div><div class="ttdef"><b>Definition:</b> <a href="binpacking__2d__parser_8cc_source.html#l00030">binpacking_2d_parser.cc:30</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1packing_1_1_bin_packing2d_parser_html_a904fde888cc388ae7618525cdd54f322"><div class="ttname"><a href="classoperations__research_1_1packing_1_1_bin_packing2d_parser.html#a904fde888cc388ae7618525cdd54f322">operations_research::packing::BinPacking2dParser::BinPacking2dParser</a></div><div class="ttdeci">BinPacking2dParser()</div><div class="ttdef"><b>Definition:</b> <a href="binpacking__2d__parser_8cc_source.html#l00024">binpacking_2d_parser.cc:24</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1packing_1_1_multiple_dimensions_bin_packing_item_html_a31d65ffe6c802f891343333c773baa2c"><div class="ttname"><a href="classoperations__research_1_1packing_1_1_multiple_dimensions_bin_packing_item.html#a31d65ffe6c802f891343333c773baa2c">operations_research::packing::MultipleDimensionsBinPackingItem::add_shapes</a></div><div class="ttdeci">::operations_research::packing::MultipleDimensionsBinPackingShape * add_shapes()</div><div class="ttdef"><b>Definition:</b> <a href="multiple__dimensions__bin__packing_8pb_8h_source.html#l00669">multiple_dimensions_bin_packing.pb.h:669</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1packing_1_1_multiple_dimensions_bin_packing_problem_html_a23af7f644393aa2890e293e66723e010"><div class="ttname"><a href="classoperations__research_1_1packing_1_1_multiple_dimensions_bin_packing_problem.html#a23af7f644393aa2890e293e66723e010">operations_research::packing::MultipleDimensionsBinPackingProblem::add_items</a></div><div class="ttdeci">::operations_research::packing::MultipleDimensionsBinPackingItem * add_items()</div><div class="ttdef"><b>Definition:</b> <a href="multiple__dimensions__bin__packing_8pb_8h_source.html#l00823">multiple_dimensions_bin_packing.pb.h:823</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1packing_1_1_multiple_dimensions_bin_packing_problem_html_ad74a32025f951b3ac25cc8b651b20c3b"><div class="ttname"><a href="classoperations__research_1_1packing_1_1_multiple_dimensions_bin_packing_problem.html#ad74a32025f951b3ac25cc8b651b20c3b">operations_research::packing::MultipleDimensionsBinPackingProblem::items_size</a></div><div class="ttdeci">int items_size() const</div><div class="ttdef"><b>Definition:</b> <a href="multiple__dimensions__bin__packing_8pb_8h_source.html#l00798">multiple_dimensions_bin_packing.pb.h:798</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1packing_1_1_multiple_dimensions_bin_packing_problem_html_af4993836cdac1d183d24696f37a56288"><div class="ttname"><a href="classoperations__research_1_1packing_1_1_multiple_dimensions_bin_packing_problem.html#af4993836cdac1d183d24696f37a56288">operations_research::packing::MultipleDimensionsBinPackingProblem::mutable_box_shape</a></div><div class="ttdeci">::operations_research::packing::MultipleDimensionsBinPackingShape * mutable_box_shape()</div><div class="ttdef"><b>Definition:</b> <a href="multiple__dimensions__bin__packing_8pb_8h_source.html#l00769">multiple_dimensions_bin_packing.pb.h:769</a></div></div>
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<div class="ttc" id="afilelineiter_8h_html"><div class="ttname"><a href="filelineiter_8h.html">filelineiter.h</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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</div><!-- fragment --></div><!-- contents -->
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</div><!-- doc-content -->
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<li class="navelem"><a class="el" href="dir_a7cc1eeded8f693d0da6c729bc88c45a.html">ortools</a></li><li class="navelem"><a class="el" href="dir_9544e94844c800b2034da286ad05b914.html">packing</a></li><li class="navelem"><a class="el" href="binpacking__2d__parser_8cc.html">binpacking_2d_parser.cc</a></li>
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<li class="footer">Generated by
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