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<a href="util_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * distributed with this work for additional information</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * &quot;License&quot;); you may not use this file except in compliance</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> * with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * </span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * </span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> * software distributed under the License is distributed on an</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> * &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> * KIND, either express or implied. See the License for the</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * specific language governing permissions and limitations</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * under the License.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#ifndef NNVM_COMPILER_UTIL_H_</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#define NNVM_COMPILER_UTIL_H_</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &lt;tvm/expr.h&gt;</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="3rdparty_2tvm_2nnvm_2include_2nnvm_2tuple_8h.html">nnvm/tuple.h</a>&gt;</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacennvm.html">nnvm</a> {</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="keyword">namespace </span>compiler {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment"> * \brief Helper function to convert TShape to TVM array. Useful for</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="comment"> * passing data from NNVM param structures to TOPI ops.</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="comment"> * \param shape The shape to convert</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="comment"> * \return An Array of Expr, where each element is a constant int32</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="namespacennvm_1_1compiler.html#a0e3d6c5c160d4594551b065d96e78989"> 42</a></span>&#160;<span class="keyword">inline</span> tvm::Array&lt;tvm::Expr&gt; <a class="code" href="namespacennvm_1_1compiler.html#a0e3d6c5c160d4594551b065d96e78989">ShapeToArray</a>(<a class="code" href="classnnvm_1_1TShape.html">TShape</a> shape) {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; tvm::Array&lt;tvm::Expr&gt; result;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span> i : shape) {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; result.push_back(tvm::make_const(tvm::Int(32), i));</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; }</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;}</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="comment"> * \brief Helper function to convert TShape to TVM array. Useful for</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="comment"> * passing data from NNVM param structures to TOPI ops.</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="comment"> * \param shape The shape to convert</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="comment"> * \return An Array of Expr, where each element is a constant int32</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="namespacennvm_1_1compiler.html#aec8d6c083a8366a25fa995d4d768cf1b"> 58</a></span>&#160;<span class="keyword">inline</span> tvm::Array&lt;tvm::Integer&gt; <a class="code" href="namespacennvm_1_1compiler.html#aec8d6c083a8366a25fa995d4d768cf1b">ShapeToIntArray</a>(<a class="code" href="classnnvm_1_1TShape.html">TShape</a> shape) {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">return</span> tvm::Array&lt;tvm::Integer&gt;(<a class="code" href="namespacennvm_1_1compiler.html#a0e3d6c5c160d4594551b065d96e78989">ShapeToArray</a>(shape).node_);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;}</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;} <span class="comment">// namespace compiler</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;} <span class="comment">// namespace nnvm</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;<span class="preprocessor">#endif // NNVM_COMPILER_UTIL_H_</span></div><div class="ttc" id="namespacennvm_html"><div class="ttname"><a href="namespacennvm.html">nnvm</a></div><div class="ttdef"><b>Definition:</b> base.h:36</div></div>
<div class="ttc" id="classnnvm_1_1TShape_html"><div class="ttname"><a href="classnnvm_1_1TShape.html">nnvm::TShape</a></div><div class="ttdoc">A Shape class that is used to represent shape of each tensor. </div><div class="ttdef"><b>Definition:</b> tuple.h:344</div></div>
<div class="ttc" id="namespacennvm_1_1compiler_html_a0e3d6c5c160d4594551b065d96e78989"><div class="ttname"><a href="namespacennvm_1_1compiler.html#a0e3d6c5c160d4594551b065d96e78989">nnvm::compiler::ShapeToArray</a></div><div class="ttdeci">tvm::Array&lt; tvm::Expr &gt; ShapeToArray(TShape shape)</div><div class="ttdef"><b>Definition:</b> util.h:42</div></div>
<div class="ttc" id="3rdparty_2tvm_2nnvm_2include_2nnvm_2tuple_8h_html"><div class="ttname"><a href="3rdparty_2tvm_2nnvm_2include_2nnvm_2tuple_8h.html">tuple.h</a></div><div class="ttdoc">Data structure Tuple and TShape to store dynamic sized shapes. </div></div>
<div class="ttc" id="namespacennvm_1_1compiler_html_aec8d6c083a8366a25fa995d4d768cf1b"><div class="ttname"><a href="namespacennvm_1_1compiler.html#aec8d6c083a8366a25fa995d4d768cf1b">nnvm::compiler::ShapeToIntArray</a></div><div class="ttdeci">tvm::Array&lt; tvm::Integer &gt; ShapeToIntArray(TShape shape)</div><div class="ttdef"><b>Definition:</b> util.h:58</div></div>
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