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    113. 

  113. <div class="title">Convert 8-bit Integer value</div>  </div>
    114. 

  114. <div class="ingroups"><a class="el" href="group__group_support.html">Support Functions</a></div></div><!--header-->
    115. 

  115. <div class="contents">
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  116. <table class="memberdecls">
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  117. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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  118. Functions</h2></td></tr>
    119. 

  119. <tr class="memitem:ga656620f957b65512ed83db03fd455ec5"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__q7__to__x.html#ga656620f957b65512ed83db03fd455ec5">arm_q7_to_float</a> (<a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pSrc, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
    120. 

  120. <tr class="memdesc:ga656620f957b65512ed83db03fd455ec5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts the elements of the Q7 vector to floating-point vector.  <a href="#ga656620f957b65512ed83db03fd455ec5"></a><br/></td></tr>
    121. 

  121. <tr class="separator:ga656620f957b65512ed83db03fd455ec5"><td class="memSeparator" colspan="2">&#160;</td></tr>
    122. 

  122. <tr class="memitem:gabc02597fc3f01033daf43ec0547a2f78"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__q7__to__x.html#gabc02597fc3f01033daf43ec0547a2f78">arm_q7_to_q15</a> (<a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pSrc, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
    123. 

  123. <tr class="memdesc:gabc02597fc3f01033daf43ec0547a2f78"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts the elements of the Q7 vector to Q15 vector.  <a href="#gabc02597fc3f01033daf43ec0547a2f78"></a><br/></td></tr>
    124. 

  124. <tr class="separator:gabc02597fc3f01033daf43ec0547a2f78"><td class="memSeparator" colspan="2">&#160;</td></tr>
    125. 

  125. <tr class="memitem:gad8958cd3cb7f521466168b46a25b7908"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__q7__to__x.html#gad8958cd3cb7f521466168b46a25b7908">arm_q7_to_q31</a> (<a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pSrc, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
    126. 

  126. <tr class="memdesc:gad8958cd3cb7f521466168b46a25b7908"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts the elements of the Q7 vector to Q31 vector.  <a href="#gad8958cd3cb7f521466168b46a25b7908"></a><br/></td></tr>
    127. 

  127. <tr class="separator:gad8958cd3cb7f521466168b46a25b7908"><td class="memSeparator" colspan="2">&#160;</td></tr>
    128. 

  128. </table>
    129. 

  129. <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
    130. 

  130. <h2 class="groupheader">Function Documentation</h2>
    131. 

  131. <a class="anchor" id="ga656620f957b65512ed83db03fd455ec5"></a>
    132. 

  132. <div class="memitem">
    133. 

  133. <div class="memproto">
    134. 

  134.       <table class="memname">
    135. 

  135.         <tr>
    136. 

  136.           <td class="memname">void arm_q7_to_float </td>
    137. 

  137.           <td>(</td>
    138. 

  138.           <td class="paramtype"><a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *&#160;</td>
    139. 

  139.           <td class="paramname"><em>pSrc</em>, </td>
    140. 

  140.         </tr>
    141. 

  141.         <tr>
    142. 

  142.           <td class="paramkey"></td>
    143. 

  143.           <td></td>
    144. 

  144.           <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *&#160;</td>
    145. 

  145.           <td class="paramname"><em>pDst</em>, </td>
    146. 

  146.         </tr>
    147. 

  147.         <tr>
    148. 

  148.           <td class="paramkey"></td>
    149. 

  149.           <td></td>
    150. 

  150.           <td class="paramtype">uint32_t&#160;</td>
    151. 

  151.           <td class="paramname"><em>blockSize</em>&#160;</td>
    152. 

  152.         </tr>
    153. 

  153.         <tr>
    154. 

  154.           <td></td>
    155. 

  155.           <td>)</td>
    156. 

  156.           <td></td><td></td>
    157. 

  157.         </tr>
    158. 

  158.       </table>
    159. 

  159. </div><div class="memdoc">
    160. 

  160. <dl class="params"><dt>Parameters</dt><dd>
    161. 

  161.   <table class="params">
    162. 

  162.     <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the Q7 input vector </td></tr>
    163. 

  163.     <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the floating-point output vector </td></tr>
    164. 

  164.     <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>length of the input vector </td></tr>
    165. 

  165.   </table>
    166. 

  166.   </dd>
    167. 

  167. </dl>
    168. 

  168. <dl class="section return"><dt>Returns</dt><dd>none.</dd></dl>
    169. 

  169. <dl class="section user"><dt>Description: </dt><dd></dd></dl>
    170. 

  170. <p>The equation used for the conversion process is:</p>
    171. 

  171. <pre>    
    172. 

  172.         pDst[n] = (float32_t) pSrc[n] / 128;   0 &lt;= n &lt; blockSize.    
    173. 

  173. </pre> 
    174. 

  174. <p>References <a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>.</p>
    175. 

  175. 

  176. </div>
    177. 

  177. </div>
    178. 

  178. <a class="anchor" id="gabc02597fc3f01033daf43ec0547a2f78"></a>
    179. 

  179. <div class="memitem">
    180. 

  180. <div class="memproto">
    181. 

  181.       <table class="memname">
    182. 

  182.         <tr>
    183. 

  183.           <td class="memname">void arm_q7_to_q15 </td>
    184. 

  184.           <td>(</td>
    185. 

  185.           <td class="paramtype"><a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *&#160;</td>
    186. 

  186.           <td class="paramname"><em>pSrc</em>, </td>
    187. 

  187.         </tr>
    188. 

  188.         <tr>
    189. 

  189.           <td class="paramkey"></td>
    190. 

  190.           <td></td>
    191. 

  191.           <td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *&#160;</td>
    192. 

  192.           <td class="paramname"><em>pDst</em>, </td>
    193. 

  193.         </tr>
    194. 

  194.         <tr>
    195. 

  195.           <td class="paramkey"></td>
    196. 

  196.           <td></td>
    197. 

  197.           <td class="paramtype">uint32_t&#160;</td>
    198. 

  198.           <td class="paramname"><em>blockSize</em>&#160;</td>
    199. 

  199.         </tr>
    200. 

  200.         <tr>
    201. 

  201.           <td></td>
    202. 

  202.           <td>)</td>
    203. 

  203.           <td></td><td></td>
    204. 

  204.         </tr>
    205. 

  205.       </table>
    206. 

  206. </div><div class="memdoc">
    207. 

  207. <dl class="params"><dt>Parameters</dt><dd>
    208. 

  208.   <table class="params">
    209. 

  209.     <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the Q7 input vector </td></tr>
    210. 

  210.     <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the Q15 output vector </td></tr>
    211. 

  211.     <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>length of the input vector </td></tr>
    212. 

  212.   </table>
    213. 

  213.   </dd>
    214. 

  214. </dl>
    215. 

  215. <dl class="section return"><dt>Returns</dt><dd>none.</dd></dl>
    216. 

  216. <dl class="section user"><dt>Description: </dt><dd></dd></dl>
    217. 

  217. <p>The equation used for the conversion process is:</p>
    218. 

  218. <pre>    
    219. 

  219.         pDst[n] = (q15_t) pSrc[n] &lt;&lt; 8;   0 &lt;= n &lt; blockSize.    
    220. 

  220. </pre> 
    221. 

  221. <p>References <a class="el" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248">__SIMD32</a>, and <a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>.</p>
    222. 

  222. 

  223. </div>
    224. 

  224. </div>
    225. 

  225. <a class="anchor" id="gad8958cd3cb7f521466168b46a25b7908"></a>
    226. 

  226. <div class="memitem">
    227. 

  227. <div class="memproto">
    228. 

  228.       <table class="memname">
    229. 

  229.         <tr>
    230. 

  230.           <td class="memname">void arm_q7_to_q31 </td>
    231. 

  231.           <td>(</td>
    232. 

  232.           <td class="paramtype"><a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *&#160;</td>
    233. 

  233.           <td class="paramname"><em>pSrc</em>, </td>
    234. 

  234.         </tr>
    235. 

  235.         <tr>
    236. 

  236.           <td class="paramkey"></td>
    237. 

  237.           <td></td>
    238. 

  238.           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
    239. 

  239.           <td class="paramname"><em>pDst</em>, </td>
    240. 

  240.         </tr>
    241. 

  241.         <tr>
    242. 

  242.           <td class="paramkey"></td>
    243. 

  243.           <td></td>
    244. 

  244.           <td class="paramtype">uint32_t&#160;</td>
    245. 

  245.           <td class="paramname"><em>blockSize</em>&#160;</td>
    246. 

  246.         </tr>
    247. 

  247.         <tr>
    248. 

  248.           <td></td>
    249. 

  249.           <td>)</td>
    250. 

  250.           <td></td><td></td>
    251. 

  251.         </tr>
    252. 

  252.       </table>
    253. 

  253. </div><div class="memdoc">
    254. 

  254. <dl class="params"><dt>Parameters</dt><dd>
    255. 

  255.   <table class="params">
    256. 

  256.     <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the Q7 input vector </td></tr>
    257. 

  257.     <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the Q31 output vector </td></tr>
    258. 

  258.     <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>length of the input vector </td></tr>
    259. 

  259.   </table>
    260. 

  260.   </dd>
    261. 

  261. </dl>
    262. 

  262. <dl class="section return"><dt>Returns</dt><dd>none.</dd></dl>
    263. 

  263. <dl class="section user"><dt>Description: </dt><dd></dd></dl>
    264. 

  264. <p>The equation used for the conversion process is:</p>
    265. 

  265. <pre>    
    266. 

  266.         pDst[n] = (q31_t) pSrc[n] &lt;&lt; 24;   0 &lt;= n &lt; blockSize.   
    267. 

  267. </pre> 
    268. 

  268. <p>References <a class="el" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248">__SIMD32</a>, and <a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>.</p>
    269. 

  269. 

  270. </div>
    271. 

  271. </div>
    272. 

  272. </div><!-- contents -->
    273. 

  273. </div><!-- doc-content -->
    274. 

  274. <!-- start footer part -->
    275. 

  275. <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
    276. 

  276.   <ul>
    277. 

  277.     <li class="footer">Generated on Tue Sep 23 2014 18:52:43 for CMSIS-DSP by ARM Ltd. All rights reserved.
    278. 

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  279.     <a href="http://www.doxygen.org/index.html">
    280. 

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    282. 

  282. 	</li>
    283. 

  283.   </ul>
    284. 

  284. </div>
    285. 

  285. </body>
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  286. </html>
    287.