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| <a href="#func-members">Functions</a> </div> |
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| <h1>Vector Multiplication<br/> |
| <small> |
| [<a class="el" href="group__group_math.html">Basic Math Functions</a>]</small> |
| </h1> </div> |
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| <table class="memberdecls"> |
| <tr><td colspan="2"><h2><a name="func-members"></a> |
| Functions</h2></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_mult.html#gaca3f0b8227da431ab29225b88888aa32">arm_mult_f32</a> (<a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrcA, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrcB, <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> |
| <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_mult.html#ga3528c0f54a0607acc603f0490d3ca6c6">arm_mult_q31</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrcA, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrcB, <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><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_mult.html#gafb0778d27ed98a2a6f2ecb7d48cc8c75">arm_mult_q15</a> (<a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrcA, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrcB, <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><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___basic_mult.html#ga16677275ed83ff0878da531e875c27ef">arm_mult_q7</a> (<a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pSrcA, <a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pSrcB, <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> |
| </table> |
| <hr/><a name="_details"></a><h2>Detailed Description</h2> |
| <p>Element-by-element multiplication of two vectors.</p> |
| <pre> |
| pDst[n] = pSrcA[n] * pSrcB[n], 0 <= n < blockSize. |
| </pre><p>There are separate functions for floating-point, Q7, Q15, and Q31 data types. </p> |
| <hr/><h2>Function Documentation</h2> |
| <a class="anchor" id="gaca3f0b8227da431ab29225b88888aa32"></a><!-- doxytag: member="arm_mult_f32.c::arm_mult_f32" ref="gaca3f0b8227da431ab29225b88888aa32" args="(float32_t *pSrcA, float32_t *pSrcB, float32_t *pDst, uint32_t blockSize)" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void arm_mult_f32 </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td> |
| <td class="paramname"> <em>pSrcA</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="paramname"> <em>pSrcB</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="paramname"> <em>pDst</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint32_t </td> |
| <td class="paramname"> <em>blockSize</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| |
| <p>Floating-point vector multiplication. </p> |
| <dl><dt><b>Parameters:</b></dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcA</td><td>points to the first input vector </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcB</td><td>points to the second input vector </td></tr> |
| <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output vector </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in each vector </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="return"><dt><b>Returns:</b></dt><dd>none. </dd></dl> |
| <dl><dt><b>Examples: </b></dt><dd><a class="el" href="arm_dotproduct_example_f32_8c-example.html#a8">arm_dotproduct_example_f32.c</a>, <a class="el" href="arm_sin_cos_example_f32_8c-example.html#a13">arm_sin_cos_example_f32.c</a>, and <a class="el" href="arm_variance_example_f32_8c-example.html#a13">arm_variance_example_f32.c</a>.</dd> |
| </dl> |
| <p>Definition at line <a class="el" href="arm__mult__f32_8c_source.html#l00068">68</a> of file <a class="el" href="arm__mult__f32_8c_source.html">arm_mult_f32.c</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="ga3528c0f54a0607acc603f0490d3ca6c6"></a><!-- doxytag: member="arm_mult_q31.c::arm_mult_q31" ref="ga3528c0f54a0607acc603f0490d3ca6c6" args="(q31_t *pSrcA, q31_t *pSrcB, q31_t *pDst, uint32_t blockSize)" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void arm_mult_q31 </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td> |
| <td class="paramname"> <em>pSrcA</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="paramname"> <em>pSrcB</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="paramname"> <em>pDst</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint32_t </td> |
| <td class="paramname"> <em>blockSize</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| |
| <p>Q31 vector multiplication. </p> |
| <dl><dt><b>Parameters:</b></dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcA</td><td>points to the first input vector </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcB</td><td>points to the second input vector </td></tr> |
| <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output vector </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in each vector </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="return"><dt><b>Returns:</b></dt><dd>none.</dd></dl> |
| <p><b>Scaling and Overflow Behavior:</b> </p> |
| <dl class="user"><dt><b></b></dt><dd>The function uses saturating arithmetic. Results outside of the allowable Q31 range[0x80000000 0x7FFFFFFF] will be saturated. </dd></dl> |
| |
| <p>Definition at line <a class="el" href="arm__mult__q31_8c_source.html#l00061">61</a> of file <a class="el" href="arm__mult__q31_8c_source.html">arm_mult_q31.c</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="gafb0778d27ed98a2a6f2ecb7d48cc8c75"></a><!-- doxytag: member="arm_mult_q15.c::arm_mult_q15" ref="gafb0778d27ed98a2a6f2ecb7d48cc8c75" args="(q15_t *pSrcA, q15_t *pSrcB, q15_t *pDst, uint32_t blockSize)" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void arm_mult_q15 </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> * </td> |
| <td class="paramname"> <em>pSrcA</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="paramname"> <em>pSrcB</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="paramname"> <em>pDst</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint32_t </td> |
| <td class="paramname"> <em>blockSize</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| |
| <p>Q15 vector multiplication. </p> |
| <dl><dt><b>Parameters:</b></dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcA</td><td>points to the first input vector </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcB</td><td>points to the second input vector </td></tr> |
| <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output vector </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in each vector </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="return"><dt><b>Returns:</b></dt><dd>none.</dd></dl> |
| <p><b>Scaling and Overflow Behavior:</b> </p> |
| <dl class="user"><dt><b></b></dt><dd>The function uses saturating arithmetic. Results outside of the allowable Q15 range [0x8000 0x7FFF] will be saturated. </dd></dl> |
| |
| <p>Definition at line <a class="el" href="arm__mult__q15_8c_source.html#l00062">62</a> of file <a class="el" href="arm__mult__q15_8c_source.html">arm_mult_q15.c</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="ga16677275ed83ff0878da531e875c27ef"></a><!-- doxytag: member="arm_mult_q7.c::arm_mult_q7" ref="ga16677275ed83ff0878da531e875c27ef" args="(q7_t *pSrcA, q7_t *pSrcB, q7_t *pDst, uint32_t blockSize)" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void arm_mult_q7 </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> * </td> |
| <td class="paramname"> <em>pSrcA</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> * </td> |
| <td class="paramname"> <em>pSrcB</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> * </td> |
| <td class="paramname"> <em>pDst</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint32_t </td> |
| <td class="paramname"> <em>blockSize</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| |
| <p>Q7 vector multiplication. </p> |
| <dl><dt><b>Parameters:</b></dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcA</td><td>points to the first input vector </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">*pSrcB</td><td>points to the second input vector </td></tr> |
| <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output vector </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in each vector </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="return"><dt><b>Returns:</b></dt><dd>none.</dd></dl> |
| <p><b>Scaling and Overflow Behavior:</b> </p> |
| <dl class="user"><dt><b></b></dt><dd>The function uses saturating arithmetic. Results outside of the allowable Q7 range [0x80 0x7F] will be saturated. </dd></dl> |
| |
| <p>Definition at line <a class="el" href="arm__mult__q7_8c_source.html#l00064">64</a> of file <a class="el" href="arm__mult__q7_8c_source.html">arm_mult_q7.c</a>.</p> |
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