group__NNBasicMath.html 13 KB

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  109. <a href="#func-members">Functions</a> </div>
  110. <div class="headertitle">
  111. <div class="title">Basic Math Functions for Neural Network Computation</div> </div>
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  113. <div class="contents">
  114. <table class="memberdecls">
  115. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
  116. Functions</h2></td></tr>
  117. <tr class="memitem:ga08f8340aa6533271b3aa6d211614fe22"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__NNBasicMath.html#ga08f8340aa6533271b3aa6d211614fe22">arm_nn_mult_q15</a> (q15_t *pSrcA, q15_t *pSrcB, q15_t *pDst, const uint16_t out_shift, uint32_t blockSize)</td></tr>
  118. <tr class="memdesc:ga08f8340aa6533271b3aa6d211614fe22"><td class="mdescLeft">&#160;</td><td class="mdescRight">Q7 vector multiplication with variable output shifts. <a href="#ga08f8340aa6533271b3aa6d211614fe22">More...</a><br/></td></tr>
  119. <tr class="separator:ga08f8340aa6533271b3aa6d211614fe22"><td class="memSeparator" colspan="2">&#160;</td></tr>
  120. <tr class="memitem:gad46c9ab012cceda8ce6681c687a58c70"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__NNBasicMath.html#gad46c9ab012cceda8ce6681c687a58c70">arm_nn_mult_q7</a> (q7_t *pSrcA, q7_t *pSrcB, q7_t *pDst, const uint16_t out_shift, uint32_t blockSize)</td></tr>
  121. <tr class="memdesc:gad46c9ab012cceda8ce6681c687a58c70"><td class="mdescLeft">&#160;</td><td class="mdescRight">Q7 vector multiplication with variable output shifts. <a href="#gad46c9ab012cceda8ce6681c687a58c70">More...</a><br/></td></tr>
  122. <tr class="separator:gad46c9ab012cceda8ce6681c687a58c70"><td class="memSeparator" colspan="2">&#160;</td></tr>
  123. </table>
  124. <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
  125. <p>Basic Math Functions for Neural Network Computation </p>
  126. <h2 class="groupheader">Function Documentation</h2>
  127. <a class="anchor" id="ga08f8340aa6533271b3aa6d211614fe22"></a>
  128. <div class="memitem">
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  131. <tr>
  132. <td class="memname">void arm_nn_mult_q15 </td>
  133. <td>(</td>
  134. <td class="paramtype">q15_t *&#160;</td>
  135. <td class="paramname"><em>pSrcA</em>, </td>
  136. </tr>
  137. <tr>
  138. <td class="paramkey"></td>
  139. <td></td>
  140. <td class="paramtype">q15_t *&#160;</td>
  141. <td class="paramname"><em>pSrcB</em>, </td>
  142. </tr>
  143. <tr>
  144. <td class="paramkey"></td>
  145. <td></td>
  146. <td class="paramtype">q15_t *&#160;</td>
  147. <td class="paramname"><em>pDst</em>, </td>
  148. </tr>
  149. <tr>
  150. <td class="paramkey"></td>
  151. <td></td>
  152. <td class="paramtype">const uint16_t&#160;</td>
  153. <td class="paramname"><em>out_shift</em>, </td>
  154. </tr>
  155. <tr>
  156. <td class="paramkey"></td>
  157. <td></td>
  158. <td class="paramtype">uint32_t&#160;</td>
  159. <td class="paramname"><em>blockSize</em>&#160;</td>
  160. </tr>
  161. <tr>
  162. <td></td>
  163. <td>)</td>
  164. <td></td><td></td>
  165. </tr>
  166. </table>
  167. </div><div class="memdoc">
  168. <dl class="params"><dt>Parameters</dt><dd>
  169. <table class="params">
  170. <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcA</td><td>pointer to the first input vector </td></tr>
  171. <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcB</td><td>pointer to the second input vector </td></tr>
  172. <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>pointer to the output vector </td></tr>
  173. <tr><td class="paramdir">[in]</td><td class="paramname">out_shift</td><td>amount of right-shift for output </td></tr>
  174. <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in each vector </td></tr>
  175. </table>
  176. </dd>
  177. </dl>
  178. <dl class="section return"><dt>Returns</dt><dd>none.</dd></dl>
  179. <p><b>Scaling and Overflow Behavior:</b> </p>
  180. <dl class="section user"><dt></dt><dd>The function uses saturating arithmetic. Results outside of the allowable Q15 range [0x8000 0x7FFF] will be saturated. </dd></dl>
  181. <p>References <a class="el" href="arm__nnsupportfunctions_8h.html#a4cbd428a2b4a4f6b2a6e4219520c7ce0">NN_ROUND</a>.</p>
  182. </div>
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  184. <a class="anchor" id="gad46c9ab012cceda8ce6681c687a58c70"></a>
  185. <div class="memitem">
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  188. <tr>
  189. <td class="memname">void arm_nn_mult_q7 </td>
  190. <td>(</td>
  191. <td class="paramtype">q7_t *&#160;</td>
  192. <td class="paramname"><em>pSrcA</em>, </td>
  193. </tr>
  194. <tr>
  195. <td class="paramkey"></td>
  196. <td></td>
  197. <td class="paramtype">q7_t *&#160;</td>
  198. <td class="paramname"><em>pSrcB</em>, </td>
  199. </tr>
  200. <tr>
  201. <td class="paramkey"></td>
  202. <td></td>
  203. <td class="paramtype">q7_t *&#160;</td>
  204. <td class="paramname"><em>pDst</em>, </td>
  205. </tr>
  206. <tr>
  207. <td class="paramkey"></td>
  208. <td></td>
  209. <td class="paramtype">const uint16_t&#160;</td>
  210. <td class="paramname"><em>out_shift</em>, </td>
  211. </tr>
  212. <tr>
  213. <td class="paramkey"></td>
  214. <td></td>
  215. <td class="paramtype">uint32_t&#160;</td>
  216. <td class="paramname"><em>blockSize</em>&#160;</td>
  217. </tr>
  218. <tr>
  219. <td></td>
  220. <td>)</td>
  221. <td></td><td></td>
  222. </tr>
  223. </table>
  224. </div><div class="memdoc">
  225. <dl class="params"><dt>Parameters</dt><dd>
  226. <table class="params">
  227. <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcA</td><td>pointer to the first input vector </td></tr>
  228. <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcB</td><td>pointer to the second input vector </td></tr>
  229. <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>pointer to the output vector </td></tr>
  230. <tr><td class="paramdir">[in]</td><td class="paramname">out_shift</td><td>amount of right-shift for output </td></tr>
  231. <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in each vector </td></tr>
  232. </table>
  233. </dd>
  234. </dl>
  235. <dl class="section return"><dt>Returns</dt><dd>none.</dd></dl>
  236. <p><b>Scaling and Overflow Behavior:</b> </p>
  237. <dl class="section user"><dt></dt><dd>The function uses saturating arithmetic. Results outside of the allowable Q7 range [0x80 0x7F] will be saturated. </dd></dl>
  238. <p>References <a class="el" href="arm__nnsupportfunctions_8h.html#a4cbd428a2b4a4f6b2a6e4219520c7ce0">NN_ROUND</a>.</p>
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