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<a href="#func-members">Functions</a>  </div>
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<div class="title">Convert 32-bit floating point value</div>  </div>
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Functions</h2></td></tr>
<tr class="memitem:ga215456e35a18db86882e1d3f0d24e1f2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__float__to__x.html#ga215456e35a18db86882e1d3f0d24e1f2">arm_float_to_q15</a> (<a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_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>
<tr class="memdesc:ga215456e35a18db86882e1d3f0d24e1f2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts the elements of the floating-point vector to Q15 vector.  <a href="#ga215456e35a18db86882e1d3f0d24e1f2"></a><br/></td></tr>
<tr class="separator:ga215456e35a18db86882e1d3f0d24e1f2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga177704107f94564e9abe4daaa36f4554"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__float__to__x.html#ga177704107f94564e9abe4daaa36f4554">arm_float_to_q31</a> (<a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_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>
<tr class="memdesc:ga177704107f94564e9abe4daaa36f4554"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts the elements of the floating-point vector to Q31 vector.  <a href="#ga177704107f94564e9abe4daaa36f4554"></a><br/></td></tr>
<tr class="separator:ga177704107f94564e9abe4daaa36f4554"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga44a393818cdee8dce80f2d66add25411"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__float__to__x.html#ga44a393818cdee8dce80f2d66add25411">arm_float_to_q7</a> (<a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, <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>
<tr class="memdesc:ga44a393818cdee8dce80f2d66add25411"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts the elements of the floating-point vector to Q7 vector.  <a href="#ga44a393818cdee8dce80f2d66add25411"></a><br/></td></tr>
<tr class="separator:ga44a393818cdee8dce80f2d66add25411"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<h2 class="groupheader">Function Documentation</h2>
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          <td class="memname">void arm_float_to_q15 </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *&#160;</td>
          <td class="paramname"><em>pSrc</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *&#160;</td>
          <td class="paramname"><em>pDst</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>blockSize</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the floating-point input vector </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the Q15 output vector </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>length of the input vector </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>none.</dd></dl>
<dl class="section user"><dt>Description: </dt><dd></dd></dl>
<dl class="section user"><dt></dt><dd>The equation used for the conversion process is: <pre>    
        pDst[n] = (q15_t)(pSrc[n] * 32768);   0 &lt;= n &lt; blockSize.    
</pre> </dd></dl>
<dl class="section user"><dt>Scaling and Overflow Behavior: </dt><dd></dd></dl>
<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>
<dl class="section note"><dt>Note</dt><dd>In order to apply rounding, the library should be rebuilt with the ROUNDING macro defined in the preprocessor section of project options. </dd></dl>

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

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          <td class="memname">void arm_float_to_q31 </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *&#160;</td>
          <td class="paramname"><em>pSrc</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
          <td class="paramname"><em>pDst</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>blockSize</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the floating-point input vector </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the Q31 output vector </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>length of the input vector </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>none.</dd></dl>
<dl class="section user"><dt>Description: </dt><dd></dd></dl>
<dl class="section user"><dt></dt><dd>The equation used for the conversion process is:</dd></dl>
<pre>    
        pDst[n] = (q31_t)(pSrc[n] * 2147483648);   0 &lt;= n &lt; blockSize.    
 </pre><p> <b>Scaling and Overflow Behavior:</b> </p>
<dl class="section user"><dt></dt><dd>The function uses saturating arithmetic. Results outside of the allowable Q31 range[0x80000000 0x7FFFFFFF] will be saturated.</dd></dl>
<dl class="section note"><dt>Note</dt><dd>In order to apply rounding, the library should be rebuilt with the ROUNDING macro defined in the preprocessor section of project options. </dd></dl>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="arm_graphic_equalizer_example_q31_8c-example.html#a23">arm_graphic_equalizer_example_q31.c</a>.</dd>
</dl>
<p>References <a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>, and <a class="el" href="arm__math_8h.html#ad7373e53d3c2e1adfeafc8c2e9720b5c">clip_q63_to_q31()</a>.</p>

<p>Referenced by <a class="el" href="arm__graphic__equalizer__example__q31_8c.html#a52d2cba30e6946c95578be946ac12a65">main()</a>.</p>

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          <td class="memname">void arm_float_to_q7 </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *&#160;</td>
          <td class="paramname"><em>pSrc</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *&#160;</td>
          <td class="paramname"><em>pDst</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>blockSize</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the floating-point input vector </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the Q7 output vector </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>length of the input vector </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>none.</dd></dl>
<dl class="section user"><dt>Description: </dt><dd></dd></dl>
<dl class="section user"><dt></dt><dd>The equation used for the conversion process is: <pre>    
        pDst[n] = (q7_t)(pSrc[n] * 128);   0 &lt;= n &lt; blockSize.    
 </pre> </dd></dl>
<dl class="section user"><dt>Scaling and Overflow Behavior: </dt><dd></dd></dl>
<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>
<dl class="section note"><dt>Note</dt><dd>In order to apply rounding, the library should be rebuilt with the ROUNDING macro defined in the preprocessor section of project options. </dd></dl>

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

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