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			359 lines
		
	
	
		
			20 KiB
		
	
	
	
		
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| <a href="#func-members">Functions</a>  </div>
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| <div class="title">Vector Offset<div class="ingroups"><a class="el" href="group__groupMath.html">Basic Math Functions</a></div></div>  </div>
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| </div><!--header-->
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| <div class="contents">
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| <table class="memberdecls">
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| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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| Functions</h2></td></tr>
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| <tr class="memitem:ga989dfae15235799d82f62ef9d356abb4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__offset.html#ga989dfae15235799d82f62ef9d356abb4">arm_offset_f32</a> (<a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> offset, <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>
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| <tr class="memdesc:ga989dfae15235799d82f62ef9d356abb4"><td class="mdescLeft"> </td><td class="mdescRight">Adds a constant offset to a floating-point vector.  <a href="#ga989dfae15235799d82f62ef9d356abb4">More...</a><br/></td></tr>
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| <tr class="separator:ga989dfae15235799d82f62ef9d356abb4"><td class="memSeparator" colspan="2"> </td></tr>
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| <tr class="memitem:gab4c1d2391b599549e5a06fdfbc2747bf"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__offset.html#gab4c1d2391b599549e5a06fdfbc2747bf">arm_offset_q15</a> (<a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> offset, <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>
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| <tr class="memdesc:gab4c1d2391b599549e5a06fdfbc2747bf"><td class="mdescLeft"> </td><td class="mdescRight">Adds a constant offset to a Q15 vector.  <a href="#gab4c1d2391b599549e5a06fdfbc2747bf">More...</a><br/></td></tr>
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| <tr class="separator:gab4c1d2391b599549e5a06fdfbc2747bf"><td class="memSeparator" colspan="2"> </td></tr>
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| <tr class="memitem:gac84ec42cbbebc5c197a87d0221819acf"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__offset.html#gac84ec42cbbebc5c197a87d0221819acf">arm_offset_q31</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> offset, <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>
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| <tr class="memdesc:gac84ec42cbbebc5c197a87d0221819acf"><td class="mdescLeft"> </td><td class="mdescRight">Adds a constant offset to a Q31 vector.  <a href="#gac84ec42cbbebc5c197a87d0221819acf">More...</a><br/></td></tr>
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| <tr class="separator:gac84ec42cbbebc5c197a87d0221819acf"><td class="memSeparator" colspan="2"> </td></tr>
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| <tr class="memitem:ga00bd9cc17c5bf905e76c91ad50886393"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__offset.html#ga00bd9cc17c5bf905e76c91ad50886393">arm_offset_q7</a> (<a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pSrc, <a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> offset, <a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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| <tr class="memdesc:ga00bd9cc17c5bf905e76c91ad50886393"><td class="mdescLeft"> </td><td class="mdescRight">Adds a constant offset to a Q7 vector.  <a href="#ga00bd9cc17c5bf905e76c91ad50886393">More...</a><br/></td></tr>
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| <tr class="separator:ga00bd9cc17c5bf905e76c91ad50886393"><td class="memSeparator" colspan="2"> </td></tr>
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| </table>
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| <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
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| <p>Adds a constant offset to each element of a vector.</p>
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| <pre>
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|     pDst[n] = pSrc[n] + offset,   0 <= n < blockSize.
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| </pre><p>The functions support in-place computation allowing the source and destination pointers to reference the same memory buffer. There are separate functions for floating-point, Q7, Q15, and Q31 data types. </p>
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| <h2 class="groupheader">Function Documentation</h2>
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| <a class="anchor" id="ga989dfae15235799d82f62ef9d356abb4"></a>
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| <div class="memitem">
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| <div class="memproto">
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|       <table class="memname">
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|         <tr>
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|           <td class="memname">void arm_offset_f32 </td>
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|           <td>(</td>
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|           <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
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|           <td class="paramname"><em>pSrc</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> </td>
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|           <td class="paramname"><em>offset</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
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|           <td class="paramname"><em>pDst</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype">uint32_t </td>
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|           <td class="paramname"><em>blockSize</em> </td>
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|         </tr>
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|         <tr>
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|           <td></td>
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|           <td>)</td>
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|           <td></td><td></td>
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|         </tr>
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|       </table>
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| </div><div class="memdoc">
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| <dl class="params"><dt>Parameters</dt><dd>
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|   <table class="params">
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|     <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the input vector </td></tr>
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|     <tr><td class="paramdir">[in]</td><td class="paramname">offset</td><td>is the offset to be added </td></tr>
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|     <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output vector </td></tr>
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|     <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in the vector </td></tr>
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|   </table>
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|   </dd>
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| </dl>
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| <dl class="section return"><dt>Returns</dt><dd>none. </dd></dl>
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| 
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| <p>References <a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>.</p>
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| 
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| </div>
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| </div>
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| <a class="anchor" id="gab4c1d2391b599549e5a06fdfbc2747bf"></a>
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| <div class="memitem">
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| <div class="memproto">
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|       <table class="memname">
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|         <tr>
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|           <td class="memname">void arm_offset_q15 </td>
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|           <td>(</td>
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|           <td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> * </td>
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|           <td class="paramname"><em>pSrc</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> </td>
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|           <td class="paramname"><em>offset</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> * </td>
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|           <td class="paramname"><em>pDst</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype">uint32_t </td>
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|           <td class="paramname"><em>blockSize</em> </td>
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|         </tr>
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|         <tr>
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|           <td></td>
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|           <td>)</td>
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|           <td></td><td></td>
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|         </tr>
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|       </table>
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| </div><div class="memdoc">
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| <dl class="params"><dt>Parameters</dt><dd>
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|   <table class="params">
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|     <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the input vector </td></tr>
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|     <tr><td class="paramdir">[in]</td><td class="paramname">offset</td><td>is the offset to be added </td></tr>
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|     <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output vector </td></tr>
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|     <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in the vector </td></tr>
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|   </table>
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|   </dd>
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| </dl>
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| <dl class="section return"><dt>Returns</dt><dd>none.</dd></dl>
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| <p><b>Scaling and Overflow Behavior:</b> </p>
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| <dl class="section user"><dt></dt><dd>The function uses saturating arithmetic. Results outside of the allowable Q15 range [0x8000 0x7FFF] are saturated. </dd></dl>
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| 
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| <p>References <a class="el" href="arm__math_8h.html#aa505179349146cf6186640b4c8b47714">__PKHBT</a>, <a class="el" href="arm__math_8h.html#a08bea9cb2c311d925224c0d6829edb8c">__QADD16()</a>, <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>
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| 
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| </div>
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| </div>
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| <a class="anchor" id="gac84ec42cbbebc5c197a87d0221819acf"></a>
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| <div class="memitem">
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| <div class="memproto">
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|       <table class="memname">
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|         <tr>
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|           <td class="memname">void arm_offset_q31 </td>
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|           <td>(</td>
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|           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td>
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|           <td class="paramname"><em>pSrc</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> </td>
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|           <td class="paramname"><em>offset</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td>
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|           <td class="paramname"><em>pDst</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype">uint32_t </td>
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|           <td class="paramname"><em>blockSize</em> </td>
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|         </tr>
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|         <tr>
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|           <td></td>
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|           <td>)</td>
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|           <td></td><td></td>
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|         </tr>
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|       </table>
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| </div><div class="memdoc">
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| <dl class="params"><dt>Parameters</dt><dd>
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|   <table class="params">
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|     <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the input vector </td></tr>
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|     <tr><td class="paramdir">[in]</td><td class="paramname">offset</td><td>is the offset to be added </td></tr>
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|     <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output vector </td></tr>
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|     <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in the vector </td></tr>
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|   </table>
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|   </dd>
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| </dl>
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| <dl class="section return"><dt>Returns</dt><dd>none.</dd></dl>
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| <p><b>Scaling and Overflow Behavior:</b> </p>
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| <dl class="section user"><dt></dt><dd>The function uses saturating arithmetic. Results outside of the allowable Q31 range [0x80000000 0x7FFFFFFF] are saturated. </dd></dl>
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| 
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| <p>References <a class="el" href="arm__math_8h.html#ab9f3cfbfb0f12975ab91ddb179160dcb">__QADD()</a>, <a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>, and <a class="el" href="arm__math_8h.html#a9a94b78de0f083bd8fadf3c3abe40431">clip_q63_to_q31()</a>.</p>
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| 
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| </div>
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| </div>
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| <a class="anchor" id="ga00bd9cc17c5bf905e76c91ad50886393"></a>
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| <div class="memitem">
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| <div class="memproto">
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|       <table class="memname">
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|         <tr>
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|           <td class="memname">void arm_offset_q7 </td>
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|           <td>(</td>
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|           <td class="paramtype"><a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> * </td>
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|           <td class="paramname"><em>pSrc</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype"><a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> </td>
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|           <td class="paramname"><em>offset</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype"><a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> * </td>
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|           <td class="paramname"><em>pDst</em>, </td>
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|         </tr>
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|         <tr>
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|           <td class="paramkey"></td>
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|           <td></td>
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|           <td class="paramtype">uint32_t </td>
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|           <td class="paramname"><em>blockSize</em> </td>
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|         </tr>
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|         <tr>
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|           <td></td>
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|           <td>)</td>
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|           <td></td><td></td>
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|         </tr>
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|       </table>
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| </div><div class="memdoc">
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| <dl class="params"><dt>Parameters</dt><dd>
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|   <table class="params">
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|     <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the input vector </td></tr>
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|     <tr><td class="paramdir">[in]</td><td class="paramname">offset</td><td>is the offset to be added </td></tr>
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|     <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output vector </td></tr>
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|     <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in the vector </td></tr>
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|   </table>
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|   </dd>
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| </dl>
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| <dl class="section return"><dt>Returns</dt><dd>none.</dd></dl>
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| <p><b>Scaling and Overflow Behavior:</b> </p>
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| <dl class="section user"><dt></dt><dd>The function uses saturating arithmetic. Results outside of the allowable Q7 range [0x80 0x7F] are saturated. </dd></dl>
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| 
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| <p>References <a class="el" href="arm__math_8h.html#a3ebff224ad44c217fde9f530342e2960">__PACKq7</a>, <a class="el" href="arm__math_8h.html#a937a37e831677294ecde7195ec9d68ee">__QADD8()</a>, <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>
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