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Variables</h2></td></tr>
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<tr class="memitem:ae2ff3f4e7014f535358167150bdd544f"><td class="memItemLeft" align="right" valign="top">const q7_t </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nntables_8c.html#ae2ff3f4e7014f535358167150bdd544f">sigmoidTable_q7</a> [256]</td></tr>
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<tr class="memdesc:ae2ff3f4e7014f535358167150bdd544f"><td class="mdescLeft"> </td><td class="mdescRight">tables for various activation functions <a href="#ae2ff3f4e7014f535358167150bdd544f">More...</a><br/></td></tr>
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<tr class="separator:ae2ff3f4e7014f535358167150bdd544f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab4d7b07c387a3537d4efe21da86115b0"><td class="memItemLeft" align="right" valign="top">const q15_t </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nntables_8c.html#ab4d7b07c387a3537d4efe21da86115b0">sigmoidTable_q15</a> [256]</td></tr>
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<tr class="memdesc:ab4d7b07c387a3537d4efe21da86115b0"><td class="mdescLeft"> </td><td class="mdescRight">tables for various activation functions <a href="#ab4d7b07c387a3537d4efe21da86115b0">More...</a><br/></td></tr>
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<tr class="separator:ab4d7b07c387a3537d4efe21da86115b0"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a69dc528cb377690d5b37accfdfd226b1"><td class="memItemLeft" align="right" valign="top">const q15_t </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nntables_8c.html#a69dc528cb377690d5b37accfdfd226b1">sigmoidLTable_q15</a> [128]</td></tr>
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<tr class="separator:a69dc528cb377690d5b37accfdfd226b1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a107a16eaa36f4392fa3ed3792ad6c2cb"><td class="memItemLeft" align="right" valign="top">const q15_t </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nntables_8c.html#a107a16eaa36f4392fa3ed3792ad6c2cb">sigmoidHTable_q15</a> [192]</td></tr>
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<tr class="memdesc:a107a16eaa36f4392fa3ed3792ad6c2cb"><td class="mdescLeft"> </td><td class="mdescRight">2-way tables for various activation functions <a href="#a107a16eaa36f4392fa3ed3792ad6c2cb">More...</a><br/></td></tr>
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<tr class="separator:a107a16eaa36f4392fa3ed3792ad6c2cb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4f854bdf13f630ec21b3ad074491e32f"><td class="memItemLeft" align="right" valign="top">const q7_t </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nntables_8c.html#a4f854bdf13f630ec21b3ad074491e32f">tanhTable_q7</a> [256]</td></tr>
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<tr class="separator:a4f854bdf13f630ec21b3ad074491e32f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6faad2fec173b2702fd0f219a83ca320"><td class="memItemLeft" align="right" valign="top">const q15_t </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nntables_8c.html#a6faad2fec173b2702fd0f219a83ca320">tanhTable_q15</a> [256]</td></tr>
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<tr class="separator:a6faad2fec173b2702fd0f219a83ca320"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7cb5ad2fff7e241d09024332488a706e"><td class="memItemLeft" align="right" valign="top">const q15_t </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nntables_8c.html#a7cb5ad2fff7e241d09024332488a706e">tanhLTable_q15</a> [128]</td></tr>
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<tr class="separator:a7cb5ad2fff7e241d09024332488a706e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4d093f7b0dc798d4898ff4fd125b21a6"><td class="memItemLeft" align="right" valign="top">const q15_t </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nntables_8c.html#a4d093f7b0dc798d4898ff4fd125b21a6">tanhHTable_q15</a> [192]</td></tr>
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</table>
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<h2 class="groupheader">Variable Documentation</h2>
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<td class="memname">const q15_t sigmoidHTable_q15[192]</td>
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<p>2-way table, H table for value larger than 1/4 L table for value smaller than 1/4, H table for remaining We have this only for the q15_t version. It does not make sense to have it for q7_t type </p>
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<td class="memname">const q15_t sigmoidLTable_q15[128]</td>
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<td class="memname">const q15_t sigmoidTable_q15[256]</td>
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<p>Referenced by <a class="el" href="group__Acti.html#ga8932b57c8d0ee757511af2d40dcc11e7">arm_nn_activations_direct_q15()</a>.</p>
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<td class="memname">const q7_t sigmoidTable_q7[256]</td>
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<p>This file include the declaration of common tables. Most of them are used for activation functions</p>
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<p>Assumption: Unified table: input is 3.x format, i.e, range of [-8, 8) sigmoid(8) = 0.9996646498695336 tanh(8) = 0.9999997749296758 The accuracy here should be good enough</p>
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<p>2-stage HL table:</p>
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<p>The entire input range is divided into two parts:</p>
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<p>Low range table: 0x000x xxxx or 0x111x xxxx table entry will be the binary number excluding the first two digits, i.e., 0x0x xxxx or 0x1x xxxx</p>
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<p>High range table 0x0010 0000 – 0x0111 1111 0x1000 0000 – 0x1101 1111</p>
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<p>For positive numbers, table entry will be 0x0010 0000 – 0x0111 1111 minus 0x0010 0000 i.e., 0x0000 0000 - 0x0101 11111</p>
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<p>same thing for the negative numbers, table entry will be 0x1000 0000 – 0x1101 1111 minux 0x0010 0000 i.e., 0x0110 0000 - 0x1011 1111 </p>
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<p>Referenced by <a class="el" href="group__Acti.html#ga79f11131ae6767d60e03b1f6506b1af8">arm_nn_activations_direct_q7()</a>.</p>
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<td class="memname">const q15_t tanhHTable_q15[192]</td>
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<td class="memname">const q15_t tanhLTable_q15[128]</td>
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<td class="memname">const q15_t tanhTable_q15[256]</td>
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<p>Referenced by <a class="el" href="group__Acti.html#ga8932b57c8d0ee757511af2d40dcc11e7">arm_nn_activations_direct_q15()</a>.</p>
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<td class="memname">const q7_t tanhTable_q7[256]</td>
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<p>Referenced by <a class="el" href="group__Acti.html#ga79f11131ae6767d60e03b1f6506b1af8">arm_nn_activations_direct_q7()</a>.</p>
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