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Official ARM version: v5.6.0

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rihab kouki 2020-07-28 11:24:49 +01:00
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docs/DSP/html/group__MatrixScale.html
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@ -32,7 +32,7 @@
<td id="projectlogo"><img alt="Logo" src="CMSIS_Logo_Final.png"/></td>
<td style="padding-left: 0.5em;">
<div id="projectname">CMSIS-DSP
&#160;<span id="projectnumber">Version 1.5.2</span>
&#160;<span id="projectnumber">Version 1.7.0</span>
</div>
<div id="projectbrief">CMSIS DSP Software Library</div>
</td>
@ -168,15 +168,17 @@ Matrix Scaling of a 3 x 3 matrix</div></div>
</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 input matrix structure </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">pSrc</td><td>points to input matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">scale</td><td>scale factor to be applied </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to output matrix structure </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">pDst</td><td>points to output matrix structure </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The function returns either <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. </dd></dl>
<p>References <a class="el" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a7071b92f1f6bc3c5c312a237ea91105b">ARM_MATH_SIZE_MISMATCH</a>, <a class="el" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a9f8b2a10bd827fb4600e77d455902eb0">ARM_MATH_SUCCESS</a>, <a class="el" href="structarm__matrix__instance__f32.html#acdd1fb73734df68b89565c54f1dd8ae2">arm_matrix_instance_f32::numCols</a>, <a class="el" href="structarm__matrix__instance__f32.html#a23f4e34d70a82c9cad7612add5640b7b">arm_matrix_instance_f32::numRows</a>, <a class="el" href="structarm__matrix__instance__f32.html#af3917c032600a9dfd5ed4a96f074910a">arm_matrix_instance_f32::pData</a>, and <a class="el" href="arm__dotproduct__example__f32_8c.html#a88ccb294236ab22b00310c47164c53c3">status</a>.</p>
<dl class="section return"><dt>Returns</dt><dd>execution status<ul>
<li><a class="el" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a9f8b2a10bd827fb4600e77d455902eb0">ARM_MATH_SUCCESS</a> : Operation successful</li>
<li><a class="el" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a7071b92f1f6bc3c5c312a237ea91105b">ARM_MATH_SIZE_MISMATCH</a> : Matrix size check failed </li>
</ul>
</dd></dl>
</div>
</div>
@ -217,18 +219,19 @@ Matrix Scaling of a 3 x 3 matrix</div></div>
</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 input matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">pSrc</td><td>points to input matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">scaleFract</td><td>fractional portion of the scale factor </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">shift</td><td>number of bits to shift the result by </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to output matrix structure </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">pDst</td><td>points to output matrix structure </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The function returns either <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.</dd></dl>
<p><b>Scaling and Overflow Behavior:</b> </p>
<dl class="section user"><dt></dt><dd>The input data <code>*pSrc</code> and <code>scaleFract</code> are in 1.15 format. These are multiplied to yield a 2.30 intermediate result and this is shifted with saturation to 1.15 format. </dd></dl>
<p>References <a class="el" href="arm__math_8h.html#aa505179349146cf6186640b4c8b47714">__PKHBT</a>, <a class="el" href="arm__math_8h.html#af0d54ec57b936994a34f073d0049ea3f">_SIMD32_OFFSET</a>, <a class="el" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a7071b92f1f6bc3c5c312a237ea91105b">ARM_MATH_SIZE_MISMATCH</a>, <a class="el" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a9f8b2a10bd827fb4600e77d455902eb0">ARM_MATH_SUCCESS</a>, <a class="el" href="structarm__matrix__instance__q15.html#acbbce67ba058d8e1c867c71d57288c97">arm_matrix_instance_q15::numCols</a>, <a class="el" href="structarm__matrix__instance__q15.html#a9bac6ed54be287c4d4f01a1a28be65f5">arm_matrix_instance_q15::numRows</a>, <a class="el" href="structarm__matrix__instance__q15.html#a6da33a5553e634787d0f515cf8d724af">arm_matrix_instance_q15::pData</a>, and <a class="el" href="arm__dotproduct__example__f32_8c.html#a88ccb294236ab22b00310c47164c53c3">status</a>.</p>
<dl class="section return"><dt>Returns</dt><dd>execution status<ul>
<li><a class="el" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a9f8b2a10bd827fb4600e77d455902eb0">ARM_MATH_SUCCESS</a> : Operation successful</li>
<li><a class="el" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a7071b92f1f6bc3c5c312a237ea91105b">ARM_MATH_SIZE_MISMATCH</a> : Matrix size check failed</li>
</ul>
</dd></dl>
<dl class="section user"><dt>Scaling and Overflow Behavior</dt><dd>The input data <code>*pSrc</code> and <code>scaleFract</code> are in 1.15 format. These are multiplied to yield a 2.30 intermediate result and this is shifted with saturation to 1.15 format. </dd></dl>
</div>
</div>
@ -269,18 +272,19 @@ Matrix Scaling of a 3 x 3 matrix</div></div>
</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 input matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">pSrc</td><td>points to input matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">scaleFract</td><td>fractional portion of the scale factor </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">shift</td><td>number of bits to shift the result by </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to output matrix structure </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">pDst</td><td>points to output matrix structure </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The function returns either <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.</dd></dl>
<p><b>Scaling and Overflow Behavior:</b> </p>
<dl class="section user"><dt></dt><dd>The input data <code>*pSrc</code> and <code>scaleFract</code> are in 1.31 format. These are multiplied to yield a 2.62 intermediate result and this is shifted with saturation to 1.31 format. </dd></dl>
<p>References <a class="el" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a7071b92f1f6bc3c5c312a237ea91105b">ARM_MATH_SIZE_MISMATCH</a>, <a class="el" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a9f8b2a10bd827fb4600e77d455902eb0">ARM_MATH_SUCCESS</a>, <a class="el" href="structarm__matrix__instance__q31.html#abd161da7614eda927157f18b698074b1">arm_matrix_instance_q31::numCols</a>, <a class="el" href="structarm__matrix__instance__q31.html#a63bacac158a821c8cfc06088d251598c">arm_matrix_instance_q31::numRows</a>, <a class="el" href="structarm__matrix__instance__q31.html#a09a64267c0579fef086efc9059741e56">arm_matrix_instance_q31::pData</a>, and <a class="el" href="arm__dotproduct__example__f32_8c.html#a88ccb294236ab22b00310c47164c53c3">status</a>.</p>
<dl class="section return"><dt>Returns</dt><dd>execution status<ul>
<li><a class="el" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a9f8b2a10bd827fb4600e77d455902eb0">ARM_MATH_SUCCESS</a> : Operation successful</li>
<li><a class="el" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a7071b92f1f6bc3c5c312a237ea91105b">ARM_MATH_SIZE_MISMATCH</a> : Matrix size check failed</li>
</ul>
</dd></dl>
<dl class="section user"><dt>Scaling and Overflow Behavior</dt><dd>The input data <code>*pSrc</code> and <code>scaleFract</code> are in 1.31 format. These are multiplied to yield a 2.62 intermediate result which is shifted with saturation to 1.31 format. </dd></dl>
</div>
</div>
@ -289,7 +293,7 @@ Matrix Scaling of a 3 x 3 matrix</div></div>
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<li class="footer">Generated on Wed Aug 1 2018 17:12:22 for CMSIS-DSP by Arm Ltd. All rights reserved.
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