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<div class="title">ScalProd.java</div> </div>
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<a href="ScalProd_8java.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2018 Google LLC</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a 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><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">package </span>com.google.ortools.sat;</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html"> 17</a></span> <span class="keyword">public</span> <span class="keyword">final</span> <span class="keyword">class </span><a class="code" href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html">ScalProd</a> <span class="keyword">implements</span> <a class="code" href="interfacecom_1_1google_1_1ortools_1_1sat_1_1LinearExpr.html">LinearExpr</a> {</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keyword">private</span> <span class="keyword">final</span> <a class="code" href="classcom_1_1google_1_1ortools_1_1sat_1_1IntVar.html">IntVar</a>[] variables;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keyword">private</span> <span class="keyword">final</span> <span class="keywordtype">long</span>[] coefficients;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"><a class="line" href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html#af69a56f2fa0450cb3800b22a63b4a1af"> 21</a></span>  <span class="keyword">public</span> <a class="code" href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html#af69a56f2fa0450cb3800b22a63b4a1af">ScalProd</a>(<a class="code" href="classcom_1_1google_1_1ortools_1_1sat_1_1IntVar.html">IntVar</a>[] variables, <span class="keywordtype">long</span>[] coefficients) {</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  assert (variables.length == coefficients.length);</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  this.variables = variables;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  this.coefficients = coefficients;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  }</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  @Override</div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html#ab070e3b74da0b4bdd41ebce96583640f"> 28</a></span>  <span class="keyword">public</span> <span class="keywordtype">int</span> <a class="code" href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html#ab070e3b74da0b4bdd41ebce96583640f">numElements</a>() {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">return</span> variables.length;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  }</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  @Override</div><div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html#a5ea59f85275c4f3bd4f59efa445a1645"> 33</a></span>  <span class="keyword">public</span> <a class="code" href="classcom_1_1google_1_1ortools_1_1sat_1_1IntVar.html">IntVar</a> <a class="code" href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html#a5ea59f85275c4f3bd4f59efa445a1645">getVariable</a>(<span class="keywordtype">int</span> index) {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  assert (index >= 0);</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  assert (index < variables.length);</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">return</span> variables[index];</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  }</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  @Override</div><div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html#a3e05618a19438f05a2a5bbdb4168a6fc"> 40</a></span>  <span class="keyword">public</span> <span class="keywordtype">long</span> <a class="code" href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html#a3e05618a19438f05a2a5bbdb4168a6fc">getCoefficient</a>(<span class="keywordtype">int</span> index) {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  assert (index >= 0);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  assert (index < coefficients.length);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span> coefficients[index];</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  }</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> }</div><div class="ttc" id="interfacecom_1_1google_1_1ortools_1_1sat_1_1LinearExpr_html"><div class="ttname"><a href="interfacecom_1_1google_1_1ortools_1_1sat_1_1LinearExpr.html">com.google.ortools.sat.LinearExpr</a></div><div class="ttdoc">A linear expression interface that can be parsed.</div><div class="ttdef"><b>Definition:</b> <a href="LinearExpr_8java_source.html#l00017">LinearExpr.java:17</a></div></div>
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<div class="ttc" id="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd_html"><div class="ttname"><a href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html">com.google.ortools.sat.ScalProd</a></div><div class="ttdoc">A linear expression interface that can be parsed.</div><div class="ttdef"><b>Definition:</b> <a href="ScalProd_8java_source.html#l00017">ScalProd.java:17</a></div></div>
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<div class="ttc" id="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd_html_a5ea59f85275c4f3bd4f59efa445a1645"><div class="ttname"><a href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html#a5ea59f85275c4f3bd4f59efa445a1645">com.google.ortools.sat.ScalProd.getVariable</a></div><div class="ttdeci">IntVar getVariable(int index)</div><div class="ttdoc">Returns the ith variable.</div><div class="ttdef"><b>Definition:</b> <a href="ScalProd_8java_source.html#l00033">ScalProd.java:33</a></div></div>
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<div class="ttc" id="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd_html_a3e05618a19438f05a2a5bbdb4168a6fc"><div class="ttname"><a href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html#a3e05618a19438f05a2a5bbdb4168a6fc">com.google.ortools.sat.ScalProd.getCoefficient</a></div><div class="ttdeci">long getCoefficient(int index)</div><div class="ttdoc">Returns the ith coefficient.</div><div class="ttdef"><b>Definition:</b> <a href="ScalProd_8java_source.html#l00040">ScalProd.java:40</a></div></div>
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<div class="ttc" id="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd_html_af69a56f2fa0450cb3800b22a63b4a1af"><div class="ttname"><a href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html#af69a56f2fa0450cb3800b22a63b4a1af">com.google.ortools.sat.ScalProd.ScalProd</a></div><div class="ttdeci">ScalProd(IntVar[] variables, long[] coefficients)</div><div class="ttdef"><b>Definition:</b> <a href="ScalProd_8java_source.html#l00021">ScalProd.java:21</a></div></div>
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<div class="ttc" id="classcom_1_1google_1_1ortools_1_1sat_1_1IntVar_html"><div class="ttname"><a href="classcom_1_1google_1_1ortools_1_1sat_1_1IntVar.html">com.google.ortools.sat.IntVar</a></div><div class="ttdoc">An integer variable.</div><div class="ttdef"><b>Definition:</b> <a href="com_2google_2ortools_2sat_2IntVar_8java_source.html#l00021">com/google/ortools/sat/IntVar.java:21</a></div></div>
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<div class="ttc" id="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd_html_ab070e3b74da0b4bdd41ebce96583640f"><div class="ttname"><a href="classcom_1_1google_1_1ortools_1_1sat_1_1ScalProd.html#ab070e3b74da0b4bdd41ebce96583640f">com.google.ortools.sat.ScalProd.numElements</a></div><div class="ttdeci">int numElements()</div><div class="ttdoc">Returns the number of elements in the interface.</div><div class="ttdef"><b>Definition:</b> <a href="ScalProd_8java_source.html#l00028">ScalProd.java:28</a></div></div>
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