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 115   <div class="summary">
 116 <a href="#func-members">Functions</a>  </div>
 117   <div class="headertitle">
 118 <div class="title">neon_scale.cpp File Reference</div>  </div>
 119 </div><!--header-->
 120 <div class="contents">
 121 <div class="textblock"><code>#include &quot;<a class="el" href="_n_e_functions_8h_source.xhtml">arm_compute/runtime/NEON/NEFunctions.h</a>&quot;</code><br />
 122 <code>#include &quot;<a class="el" href="_types_8h_source.xhtml">arm_compute/core/Types.h</a>&quot;</code><br />
 123 <code>#include &quot;<a class="el" href="test__helpers_2_utils_8h_source.xhtml">test_helpers/Utils.h</a>&quot;</code><br />
 124 </div>
 125 <p><a href="neon__scale_8cpp_source.xhtml">Go to the source code of this file.</a></p>
 126 <table class="memberdecls">
 127 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
 128 Functions</h2></td></tr>
 129 <tr class="memitem:a8311a04cc09fb45ff5126dc74b6c6dcb"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="neon__scale_8cpp.xhtml#a8311a04cc09fb45ff5126dc74b6c6dcb">main_neon_scale</a> (int argc, const char **argv)</td></tr>
 130 <tr class="separator:a8311a04cc09fb45ff5126dc74b6c6dcb"><td class="memSeparator" colspan="2">&#160;</td></tr>
 131 <tr class="memitem:a217dbf8b442f20279ea00b898af96f52"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="neon__scale_8cpp.xhtml#a217dbf8b442f20279ea00b898af96f52">main</a> (int argc, const char **argv)</td></tr>
 132 <tr class="memdesc:a217dbf8b442f20279ea00b898af96f52"><td class="mdescLeft">&#160;</td><td class="mdescRight">Main program for convolution test.  <a href="#a217dbf8b442f20279ea00b898af96f52">More...</a><br /></td></tr>
 133 <tr class="separator:a217dbf8b442f20279ea00b898af96f52"><td class="memSeparator" colspan="2">&#160;</td></tr>
 134 </table>
 135 <h2 class="groupheader">Function Documentation</h2>
 136 <a class="anchor" id="a217dbf8b442f20279ea00b898af96f52"></a>
 137 <div class="memitem">
 138 <div class="memproto">
 139       <table class="memname">
 140         <tr>
 141           <td class="memname">int main </td>
 142           <td>(</td>
 143           <td class="paramtype">int&#160;</td>
 144           <td class="paramname"><em>argc</em>, </td>
 145         </tr>
 146         <tr>
 147           <td class="paramkey"></td>
 148           <td></td>
 149           <td class="paramtype">const char **&#160;</td>
 150           <td class="paramname"><em>argv</em>&#160;</td>
 151         </tr>
 152         <tr>
 153           <td></td>
 154           <td>)</td>
 155           <td></td><td></td>
 156         </tr>
 157       </table>
 158 </div><div class="memdoc">
 159
 160 <p>Main program for convolution test. </p>
 161 <dl class="params"><dt>Parameters</dt><dd>
 162   <table class="params">
 163     <tr><td class="paramdir">[in]</td><td class="paramname">argc</td><td>Number of arguments </td></tr>
 164     <tr><td class="paramdir">[in]</td><td class="paramname">argv</td><td>Arguments ( [optional] Path to PPM image to process ) </td></tr>
 165   </table>
 166   </dd>
 167 </dl>
 168
 169 <p>Definition at line <a class="el" href="neon__scale_8cpp_source.xhtml#l00086">86</a> of file <a class="el" href="neon__scale_8cpp_source.xhtml">neon_scale.cpp</a>.</p>
 170
 171 <p>References <a class="el" href="neon__scale_8cpp_source.xhtml#l00032">main_neon_scale()</a>, and <a class="el" href="_utils_8cpp_source.xhtml#l00064">test_helpers::run_example()</a>.</p>
 172 <div class="fragment"><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;{</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="namespacetest__helpers.xhtml#a4c9395db2c8b8d0c336656a7b58fca3e">test_helpers::run_example</a>(argc, argv, <a class="code" href="neon__scale_8cpp.xhtml#a8311a04cc09fb45ff5126dc74b6c6dcb">main_neon_scale</a>);</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;}</div><div class="ttc" id="neon__scale_8cpp_xhtml_a8311a04cc09fb45ff5126dc74b6c6dcb"><div class="ttname"><a href="neon__scale_8cpp.xhtml#a8311a04cc09fb45ff5126dc74b6c6dcb">main_neon_scale</a></div><div class="ttdeci">void main_neon_scale(int argc, const char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="neon__scale_8cpp_source.xhtml#l00032">neon_scale.cpp:32</a></div></div>
 173 <div class="ttc" id="namespacetest__helpers_xhtml_a4c9395db2c8b8d0c336656a7b58fca3e"><div class="ttname"><a href="namespacetest__helpers.xhtml#a4c9395db2c8b8d0c336656a7b58fca3e">test_helpers::run_example</a></div><div class="ttdeci">int run_example(int argc, const char **argv, example &amp;func)</div><div class="ttdoc">Run an example and handle the potential exceptions it throws. </div><div class="ttdef"><b>Definition:</b> <a href="_utils_8cpp_source.xhtml#l00064">Utils.cpp:64</a></div></div>
 174 </div><!-- fragment -->
 175 </div>
 176 </div>
 177 <a class="anchor" id="a8311a04cc09fb45ff5126dc74b6c6dcb"></a>
 178 <div class="memitem">
 179 <div class="memproto">
 180       <table class="memname">
 181         <tr>
 182           <td class="memname">void main_neon_scale </td>
 183           <td>(</td>
 184           <td class="paramtype">int&#160;</td>
 185           <td class="paramname"><em>argc</em>, </td>
 186         </tr>
 187         <tr>
 188           <td class="paramkey"></td>
 189           <td></td>
 190           <td class="paramtype">const char **&#160;</td>
 191           <td class="paramname"><em>argv</em>&#160;</td>
 192         </tr>
 193         <tr>
 194           <td></td>
 195           <td>)</td>
 196           <td></td><td></td>
 197         </tr>
 198       </table>
 199 </div><div class="memdoc">
 200
 201 <p>Definition at line <a class="el" href="neon__scale_8cpp_source.xhtml#l00032">32</a> of file <a class="el" href="neon__scale_8cpp_source.xhtml">neon_scale.cpp</a>.</p>
 202
 203 <p>References <a class="el" href="classarm__compute_1_1_n_e_scale.xhtml#a22408eda7af5167b856ffc85d79a5940">NEScale::configure()</a>, <a class="el" href="test__helpers_2_utils_8h_source.xhtml#l00142">PPMLoader::fill_image()</a>, <a class="el" href="test__helpers_2_utils_8h_source.xhtml#l00125">PPMLoader::init_image()</a>, <a class="el" href="test__helpers_2_utils_8h_source.xhtml#l00114">PPMLoader::is_open()</a>, <a class="el" href="namespacearm__compute.xhtml#a966a9c417ce5e94dca08d9b5e745c0c9a7f5ccbc3d30c2cd3fd04d567946cbde2">arm_compute::NEAREST_NEIGHBOR</a>, <a class="el" href="test__helpers_2_utils_8h_source.xhtml#l00094">PPMLoader::open()</a>, <a class="el" href="classarm__compute_1_1_i_n_e_simple_function.xhtml#ab5fd6e96c07aaaed2747c7e16ed5951e">INESimpleFunction::run()</a>, <a class="el" href="test__helpers_2_utils_8h_source.xhtml#l00241">test_helpers::save_to_ppm()</a>, <a class="el" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5">arm_compute::U8</a>, and <a class="el" href="namespacearm__compute.xhtml#a15a05537a472ee742404821851529327a0db45d2a4141101bdfe48e3314cfbca3">arm_compute::UNDEFINED</a>.</p>
 204
 205 <p>Referenced by <a class="el" href="neon__scale_8cpp_source.xhtml#l00086">main()</a>.</p>
 206 <div class="fragment"><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;    <a class="code" href="classtest__helpers_1_1_p_p_m_loader.xhtml">PPMLoader</a> ppm;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a>     src, dst;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    <span class="keywordflow">if</span>(argc &lt; 2)</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    {</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        <span class="comment">// Print help</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;Usage: ./build/neon_scale[input_image.ppm]\n\n&quot;</span>;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;No input_image provided, creating a dummy 640x480 image\n&quot;</span>;</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;        <span class="comment">// Create an empty grayscale 640x480 image</span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        src.allocator()-&gt;init(<a class="code" href="classarm__compute_1_1_tensor_info.xhtml">TensorInfo</a>(640, 480, Format::U8));</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    }</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    <span class="keywordflow">else</span></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;        ppm.<a class="code" href="classtest__helpers_1_1_p_p_m_loader.xhtml#a36e58f3e64f3851ebac7a9556b4704ed">open</a>(argv[1]);</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        ppm.<a class="code" href="classtest__helpers_1_1_p_p_m_loader.xhtml#a283b961e6ca7b117b106c8710c7cfe81">init_image</a>(src, Format::U8);</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;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    constexpr <span class="keywordtype">int</span> scale_factor = 2;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <a class="code" href="classarm__compute_1_1_tensor_info.xhtml">TensorInfo</a> dst_tensor_info(src.info()-&gt;dimension(0) / scale_factor, src.info()-&gt;dimension(1) / scale_factor, Format::U8);</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="comment">// Configure the destination image</span></div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    dst.allocator()-&gt;init(dst_tensor_info);</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <span class="comment">// Create and initialize a Scale function object:</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    <a class="code" href="classarm__compute_1_1_n_e_scale.xhtml">NEScale</a> scale;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    scale.<a class="code" href="classarm__compute_1_1_n_e_scale.xhtml#a22408eda7af5167b856ffc85d79a5940">configure</a>(&amp;src, &amp;dst, InterpolationPolicy::NEAREST_NEIGHBOR, BorderMode::UNDEFINED);</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="comment">// Allocate all the images</span></div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    src.allocator()-&gt;allocate();</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    dst.allocator()-&gt;allocate();</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    <span class="comment">// Fill the input image with the content of the PPM image if a filename was provided:</span></div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    <span class="keywordflow">if</span>(ppm.<a class="code" href="classtest__helpers_1_1_p_p_m_loader.xhtml#a2f57f54d8c03b615bb31eee091d8a88a">is_open</a>())</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    {</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        ppm.<a class="code" href="classtest__helpers_1_1_p_p_m_loader.xhtml#a1672610b872bef30d0dc2333a0ffc402">fill_image</a>(src);</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    }</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    <span class="comment">// Run the scale operation:</span></div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    scale.<a class="code" href="classarm__compute_1_1_i_n_e_simple_function.xhtml#ab5fd6e96c07aaaed2747c7e16ed5951e">run</a>();</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    <span class="comment">// Save the result to file:</span></div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    <span class="keywordflow">if</span>(ppm.<a class="code" href="classtest__helpers_1_1_p_p_m_loader.xhtml#a2f57f54d8c03b615bb31eee091d8a88a">is_open</a>())</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    {</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        <span class="keyword">const</span> std::string output_filename = std::string(argv[1]) + <span class="stringliteral">&quot;_out.ppm&quot;</span>;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        <a class="code" href="namespacetest__helpers.xhtml#a5036a1b77bd7223a68954b5078c6545a">save_to_ppm</a>(dst, output_filename);</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    }</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;}</div><div class="ttc" id="classtest__helpers_1_1_p_p_m_loader_xhtml_a2f57f54d8c03b615bb31eee091d8a88a"><div class="ttname"><a href="classtest__helpers_1_1_p_p_m_loader.xhtml#a2f57f54d8c03b615bb31eee091d8a88a">test_helpers::PPMLoader::is_open</a></div><div class="ttdeci">bool is_open()</div><div class="ttdoc">Return true if a PPM file is currently open. </div><div class="ttdef"><b>Definition:</b> <a href="test__helpers_2_utils_8h_source.xhtml#l00114">Utils.h:114</a></div></div>
 207 <div class="ttc" id="classtest__helpers_1_1_p_p_m_loader_xhtml_a1672610b872bef30d0dc2333a0ffc402"><div class="ttname"><a href="classtest__helpers_1_1_p_p_m_loader.xhtml#a1672610b872bef30d0dc2333a0ffc402">test_helpers::PPMLoader::fill_image</a></div><div class="ttdeci">void fill_image(T &amp;image)</div><div class="ttdoc">Fill an image with the content of the currently open PPM file. </div><div class="ttdef"><b>Definition:</b> <a href="test__helpers_2_utils_8h_source.xhtml#l00142">Utils.h:142</a></div></div>
 208 <div class="ttc" id="classarm__compute_1_1_n_e_scale_xhtml"><div class="ttname"><a href="classarm__compute_1_1_n_e_scale.xhtml">arm_compute::NEScale</a></div><div class="ttdoc">Basic function to run NEScaleKernel. </div><div class="ttdef"><b>Definition:</b> <a href="_n_e_scale_8h_source.xhtml#l00038">NEScale.h:38</a></div></div>
 209 <div class="ttc" id="classarm__compute_1_1_n_e_scale_xhtml_a22408eda7af5167b856ffc85d79a5940"><div class="ttname"><a href="classarm__compute_1_1_n_e_scale.xhtml#a22408eda7af5167b856ffc85d79a5940">arm_compute::NEScale::configure</a></div><div class="ttdeci">void configure(ITensor *input, ITensor *output, InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value=0)</div><div class="ttdoc">Initialize the function&amp;#39;s source, destination, interpolation type and border_mode. </div></div>
 210 <div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div>
 211 <div class="ttc" id="classtest__helpers_1_1_p_p_m_loader_xhtml_a36e58f3e64f3851ebac7a9556b4704ed"><div class="ttname"><a href="classtest__helpers_1_1_p_p_m_loader.xhtml#a36e58f3e64f3851ebac7a9556b4704ed">test_helpers::PPMLoader::open</a></div><div class="ttdeci">void open(const std::string &amp;ppm_filename)</div><div class="ttdoc">Open a PPM file and reads its metadata (Width, height) </div><div class="ttdef"><b>Definition:</b> <a href="test__helpers_2_utils_8h_source.xhtml#l00094">Utils.h:94</a></div></div>
 212 <div class="ttc" id="classtest__helpers_1_1_p_p_m_loader_xhtml"><div class="ttname"><a href="classtest__helpers_1_1_p_p_m_loader.xhtml">test_helpers::PPMLoader</a></div><div class="ttdoc">Class to load the content of a PPM file into an Image. </div><div class="ttdef"><b>Definition:</b> <a href="test__helpers_2_utils_8h_source.xhtml#l00083">Utils.h:83</a></div></div>
 213 <div class="ttc" id="classtest__helpers_1_1_p_p_m_loader_xhtml_a283b961e6ca7b117b106c8710c7cfe81"><div class="ttname"><a href="classtest__helpers_1_1_p_p_m_loader.xhtml#a283b961e6ca7b117b106c8710c7cfe81">test_helpers::PPMLoader::init_image</a></div><div class="ttdeci">void init_image(T &amp;image, Format format)</div><div class="ttdoc">Initialise an image&amp;#39;s metadata with the dimensions of the PPM file currently open. </div><div class="ttdef"><b>Definition:</b> <a href="test__helpers_2_utils_8h_source.xhtml#l00125">Utils.h:125</a></div></div>
 214 <div class="ttc" id="classarm__compute_1_1_i_n_e_simple_function_xhtml_ab5fd6e96c07aaaed2747c7e16ed5951e"><div class="ttname"><a href="classarm__compute_1_1_i_n_e_simple_function.xhtml#ab5fd6e96c07aaaed2747c7e16ed5951e">arm_compute::INESimpleFunction::run</a></div><div class="ttdeci">void run() overridefinal</div><div class="ttdoc">Run the kernels contained in the function. </div></div>
 215 <div class="ttc" id="namespacetest__helpers_xhtml_a5036a1b77bd7223a68954b5078c6545a"><div class="ttname"><a href="namespacetest__helpers.xhtml#a5036a1b77bd7223a68954b5078c6545a">test_helpers::save_to_ppm</a></div><div class="ttdeci">void save_to_ppm(T &amp;tensor, const std::string &amp;ppm_filename)</div><div class="ttdoc">Template helper function to save a tensor image to a PPM file. </div><div class="ttdef"><b>Definition:</b> <a href="test__helpers_2_utils_8h_source.xhtml#l00241">Utils.h:241</a></div></div>
 216 <div class="ttc" id="classarm__compute_1_1_tensor_info_xhtml"><div class="ttname"><a href="classarm__compute_1_1_tensor_info.xhtml">arm_compute::TensorInfo</a></div><div class="ttdoc">Store the tensor&amp;#39;s metadata. </div><div class="ttdef"><b>Definition:</b> <a href="_tensor_info_8h_source.xhtml#l00040">TensorInfo.h:40</a></div></div>
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