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author | rihab kouki <rihab.kouki@st.com> | 2020-07-28 11:24:49 +0100 |
---|---|---|
committer | rihab kouki <rihab.kouki@st.com> | 2020-07-28 11:24:49 +0100 |
commit | 96d6da4e252b06dcfdc041e7df23e86161c33007 (patch) | |
tree | a262f59bb1db7ec7819acae435f5049cbe5e2354 /docs/DSP/html/group__CmplxByRealMult.html | |
parent | 9f95ff5b6ba01db09552b84a0ab79607060a2666 (diff) | |
download | st-cmsis-core-lowfat-master.tar.gz st-cmsis-core-lowfat-master.tar.bz2 st-cmsis-core-lowfat-master.zip |
Diffstat (limited to 'docs/DSP/html/group__CmplxByRealMult.html')
-rw-r--r-- | docs/DSP/html/group__CmplxByRealMult.html | 76 |
1 files changed, 35 insertions, 41 deletions
diff --git a/docs/DSP/html/group__CmplxByRealMult.html b/docs/DSP/html/group__CmplxByRealMult.html index 07b3a1b..8cc9882 100644 --- a/docs/DSP/html/group__CmplxByRealMult.html +++ b/docs/DSP/html/group__CmplxByRealMult.html @@ -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 -  <span id="projectnumber">Version 1.5.2</span> +  <span id="projectnumber">Version 1.7.0</span> </div> <div id="projectbrief">CMSIS DSP Software Library</div> </td> @@ -116,40 +116,40 @@ $(document).ready(function(){initNavTree('group__CmplxByRealMult.html','');}); <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> -<tr class="memitem:ga9c18616f56cb4d3c0889ce0b339221ca"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__CmplxByRealMult.html#ga9c18616f56cb4d3c0889ce0b339221ca">arm_cmplx_mult_real_f32</a> (<a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrcCmplx, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrcReal, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pCmplxDst, uint32_t numSamples)</td></tr> -<tr class="memdesc:ga9c18616f56cb4d3c0889ce0b339221ca"><td class="mdescLeft"> </td><td class="mdescRight">Floating-point complex-by-real multiplication. <a href="#ga9c18616f56cb4d3c0889ce0b339221ca">More...</a><br/></td></tr> -<tr class="separator:ga9c18616f56cb4d3c0889ce0b339221ca"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:ga3bd8889dcb45980e1d3e53344df54e85"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__CmplxByRealMult.html#ga3bd8889dcb45980e1d3e53344df54e85">arm_cmplx_mult_real_q15</a> (<a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrcCmplx, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrcReal, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pCmplxDst, uint32_t numSamples)</td></tr> -<tr class="memdesc:ga3bd8889dcb45980e1d3e53344df54e85"><td class="mdescLeft"> </td><td class="mdescRight">Q15 complex-by-real multiplication. <a href="#ga3bd8889dcb45980e1d3e53344df54e85">More...</a><br/></td></tr> -<tr class="separator:ga3bd8889dcb45980e1d3e53344df54e85"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:ga715e4bb8e945b8ca51ec5237611697ce"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__CmplxByRealMult.html#ga715e4bb8e945b8ca51ec5237611697ce">arm_cmplx_mult_real_q31</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrcCmplx, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrcReal, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pCmplxDst, uint32_t numSamples)</td></tr> -<tr class="memdesc:ga715e4bb8e945b8ca51ec5237611697ce"><td class="mdescLeft"> </td><td class="mdescRight">Q31 complex-by-real multiplication. <a href="#ga715e4bb8e945b8ca51ec5237611697ce">More...</a><br/></td></tr> -<tr class="separator:ga715e4bb8e945b8ca51ec5237611697ce"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:ga903eb30a02343574e46cb123b52232f4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__CmplxByRealMult.html#ga903eb30a02343574e46cb123b52232f4">arm_cmplx_mult_real_f32</a> (const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrcCmplx, const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrcReal, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pCmplxDst, uint32_t numSamples)</td></tr> +<tr class="memdesc:ga903eb30a02343574e46cb123b52232f4"><td class="mdescLeft"> </td><td class="mdescRight">Floating-point complex-by-real multiplication. <a href="#ga903eb30a02343574e46cb123b52232f4">More...</a><br/></td></tr> +<tr class="separator:ga903eb30a02343574e46cb123b52232f4"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:gaa41d60a567652bf6a783b916931bf20b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__CmplxByRealMult.html#gaa41d60a567652bf6a783b916931bf20b">arm_cmplx_mult_real_q15</a> (const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrcCmplx, const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrcReal, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pCmplxDst, uint32_t numSamples)</td></tr> +<tr class="memdesc:gaa41d60a567652bf6a783b916931bf20b"><td class="mdescLeft"> </td><td class="mdescRight">Q15 complex-by-real multiplication. <a href="#gaa41d60a567652bf6a783b916931bf20b">More...</a><br/></td></tr> +<tr class="separator:gaa41d60a567652bf6a783b916931bf20b"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:ga0fe1cd71d35b4481f8ab69d502c96ace"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__CmplxByRealMult.html#ga0fe1cd71d35b4481f8ab69d502c96ace">arm_cmplx_mult_real_q31</a> (const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrcCmplx, const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrcReal, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pCmplxDst, uint32_t numSamples)</td></tr> +<tr class="memdesc:ga0fe1cd71d35b4481f8ab69d502c96ace"><td class="mdescLeft"> </td><td class="mdescRight">Q31 complex-by-real multiplication. <a href="#ga0fe1cd71d35b4481f8ab69d502c96ace">More...</a><br/></td></tr> +<tr class="separator:ga0fe1cd71d35b4481f8ab69d502c96ace"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Description</h2> <p>Multiplies a complex vector by a real vector and generates a complex result. The data in the complex arrays is stored in an interleaved fashion (real, imag, real, imag, ...). The parameter <code>numSamples</code> represents the number of complex samples processed. The complex arrays have a total of <code>2*numSamples</code> real values while the real array has a total of <code>numSamples</code> real values.</p> <p>The underlying algorithm is used:</p> <pre> -for(n=0; n<numSamples; n++) { +for (n = 0; n < numSamples; n++) { pCmplxDst[(2*n)+0] = pSrcCmplx[(2*n)+0] * pSrcReal[n]; pCmplxDst[(2*n)+1] = pSrcCmplx[(2*n)+1] * pSrcReal[n]; } </pre><p>There are separate functions for floating-point, Q15, and Q31 data types. </p> <h2 class="groupheader">Function Documentation</h2> -<a class="anchor" id="ga9c18616f56cb4d3c0889ce0b339221ca"></a> +<a class="anchor" id="ga903eb30a02343574e46cb123b52232f4"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void arm_cmplx_mult_real_f32 </td> <td>(</td> - <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td> + <td class="paramtype">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td> <td class="paramname"><em>pSrcCmplx</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> - <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td> + <td class="paramtype">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td> <td class="paramname"><em>pSrcReal</em>, </td> </tr> <tr> @@ -173,31 +173,31 @@ for(n=0; n<numSamples; n++) { </div><div class="memdoc"> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> - <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcCmplx</td><td>points to the complex input vector </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcReal</td><td>points to the real input vector </td></tr> - <tr><td class="paramdir">[out]</td><td class="paramname">*pCmplxDst</td><td>points to the complex output vector </td></tr> + <tr><td class="paramdir">[in]</td><td class="paramname">pSrcCmplx</td><td>points to complex input vector </td></tr> + <tr><td class="paramdir">[in]</td><td class="paramname">pSrcReal</td><td>points to real input vector </td></tr> + <tr><td class="paramdir">[out]</td><td class="paramname">pCmplxDst</td><td>points to complex output vector </td></tr> <tr><td class="paramdir">[in]</td><td class="paramname">numSamples</td><td>number of samples in each vector </td></tr> </table> </dd> </dl> -<dl class="section return"><dt>Returns</dt><dd>none. </dd></dl> +<dl class="section return"><dt>Returns</dt><dd>none </dd></dl> </div> </div> -<a class="anchor" id="ga3bd8889dcb45980e1d3e53344df54e85"></a> +<a class="anchor" id="gaa41d60a567652bf6a783b916931bf20b"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void arm_cmplx_mult_real_q15 </td> <td>(</td> - <td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> * </td> + <td class="paramtype">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> * </td> <td class="paramname"><em>pSrcCmplx</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> * </td> + <td class="paramtype">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> * </td> <td class="paramname"><em>pSrcReal</em>, </td> </tr> <tr> @@ -221,35 +221,32 @@ for(n=0; n<numSamples; n++) { </div><div class="memdoc"> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> - <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcCmplx</td><td>points to the complex input vector </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcReal</td><td>points to the real input vector </td></tr> - <tr><td class="paramdir">[out]</td><td class="paramname">*pCmplxDst</td><td>points to the complex output vector </td></tr> + <tr><td class="paramdir">[in]</td><td class="paramname">pSrcCmplx</td><td>points to complex input vector </td></tr> + <tr><td class="paramdir">[in]</td><td class="paramname">pSrcReal</td><td>points to real input vector </td></tr> + <tr><td class="paramdir">[out]</td><td class="paramname">pCmplxDst</td><td>points to complex output vector </td></tr> <tr><td class="paramdir">[in]</td><td class="paramname">numSamples</td><td>number of samples in each vector </td></tr> </table> </dd> </dl> -<dl class="section return"><dt>Returns</dt><dd>none.</dd></dl> -<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 Q15 range [0x8000 0x7FFF] will be saturated. </dd></dl> - -<p>References <a class="el" href="arm__math_8h.html#aa505179349146cf6186640b4c8b47714">__PKHBT</a>, and <a class="el" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248">__SIMD32</a>.</p> +<dl class="section return"><dt>Returns</dt><dd>none</dd></dl> +<dl class="section user"><dt>Scaling and Overflow Behavior</dt><dd>The function uses saturating arithmetic. Results outside of the allowable Q15 range [0x8000 0x7FFF] are saturated. </dd></dl> </div> </div> -<a class="anchor" id="ga715e4bb8e945b8ca51ec5237611697ce"></a> +<a class="anchor" id="ga0fe1cd71d35b4481f8ab69d502c96ace"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void arm_cmplx_mult_real_q31 </td> <td>(</td> - <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td> + <td class="paramtype">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td> <td class="paramname"><em>pSrcCmplx</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> * </td> + <td class="paramtype">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td> <td class="paramname"><em>pSrcReal</em>, </td> </tr> <tr> @@ -273,18 +270,15 @@ for(n=0; n<numSamples; n++) { </div><div class="memdoc"> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> - <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcCmplx</td><td>points to the complex input vector </td></tr> - <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcReal</td><td>points to the real input vector </td></tr> - <tr><td class="paramdir">[out]</td><td class="paramname">*pCmplxDst</td><td>points to the complex output vector </td></tr> + <tr><td class="paramdir">[in]</td><td class="paramname">pSrcCmplx</td><td>points to complex input vector </td></tr> + <tr><td class="paramdir">[in]</td><td class="paramname">pSrcReal</td><td>points to real input vector </td></tr> + <tr><td class="paramdir">[out]</td><td class="paramname">pCmplxDst</td><td>points to complex output vector </td></tr> <tr><td class="paramdir">[in]</td><td class="paramname">numSamples</td><td>number of samples in each vector </td></tr> </table> </dd> </dl> -<dl class="section return"><dt>Returns</dt><dd>none.</dd></dl> -<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> - -<p>References <a class="el" href="arm__math_8h.html#a9a94b78de0f083bd8fadf3c3abe40431">clip_q63_to_q31()</a>.</p> +<dl class="section return"><dt>Returns</dt><dd>none</dd></dl> +<dl class="section user"><dt>Scaling and Overflow Behavior</dt><dd>The function uses saturating arithmetic. Results outside of the allowable Q31 range[0x80000000 0x7FFFFFFF] are saturated. </dd></dl> </div> </div> @@ -293,7 +287,7 @@ for(n=0; n<numSamples; n++) { <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> - <li class="footer">Generated on Wed Aug 1 2018 17:12:21 for CMSIS-DSP by Arm Ltd. All rights reserved. + <li class="footer">Generated on Wed Jul 10 2019 15:20:39 for CMSIS-DSP Version 1.7.0 by Arm Ltd. All rights reserved. <!-- <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6 |