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<p>Instance structure for the Q15 DCT4/IDCT4 function.
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Data Fields</h2></td></tr>
<tr class="memitem:a53d24009bb9b2e93d0aa07db7f1a6c25"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#a53d24009bb9b2e93d0aa07db7f1a6c25">N</a></td></tr>
<tr class="separator:a53d24009bb9b2e93d0aa07db7f1a6c25"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af43dcbbc2fc661ffbc525afe3dcbd7da"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#af43dcbbc2fc661ffbc525afe3dcbd7da">Nby2</a></td></tr>
<tr class="separator:af43dcbbc2fc661ffbc525afe3dcbd7da"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a197098140d68e89a08f7a249003a0b86"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#a197098140d68e89a08f7a249003a0b86">normalize</a></td></tr>
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<tr class="memitem:abc6c847e9f906781e1d5da40e9aafa76"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#abc6c847e9f906781e1d5da40e9aafa76">pTwiddle</a></td></tr>
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<tr class="memitem:ac76df681b1bd502fb4874c06f055dded"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#ac76df681b1bd502fb4874c06f055dded">pCosFactor</a></td></tr>
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<tr class="memitem:a11cf95c1cd9dd2dd5e4b81b8f88dc208"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#a11cf95c1cd9dd2dd5e4b81b8f88dc208">pRfft</a></td></tr>
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<tr class="memitem:a7284932ee8c36107c33815eb62eadffc"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structarm__cfft__radix4__instance__q15.html">arm_cfft_radix4_instance_q15</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#a7284932ee8c36107c33815eb62eadffc">pCfft</a></td></tr>
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<h2 class="groupheader">Field Documentation</h2>
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<td class="memname">uint16_t arm_dct4_instance_q15::N</td>
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<p>length of the DCT4. </p>
<p>Referenced by <a class="el" href="group__DCT4__IDCT4.html#ga966fd1b66a80873964533703ab5dc054">arm_dct4_init_q15()</a>, and <a class="el" href="group__DCT4__IDCT4.html#ga114cb9635059f678df291fcc887aaf2b">arm_dct4_q15()</a>.</p>
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<td class="memname">uint16_t arm_dct4_instance_q15::Nby2</td>
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<p>half of the length of the DCT4. </p>
<p>Referenced by <a class="el" href="group__DCT4__IDCT4.html#ga966fd1b66a80873964533703ab5dc054">arm_dct4_init_q15()</a>, and <a class="el" href="group__DCT4__IDCT4.html#ga114cb9635059f678df291fcc887aaf2b">arm_dct4_q15()</a>.</p>
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<td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> arm_dct4_instance_q15::normalize</td>
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<p>normalizing factor. </p>
<p>Referenced by <a class="el" href="group__DCT4__IDCT4.html#ga966fd1b66a80873964533703ab5dc054">arm_dct4_init_q15()</a>.</p>
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<td class="memname"><a class="el" href="structarm__cfft__radix4__instance__q15.html">arm_cfft_radix4_instance_q15</a>* arm_dct4_instance_q15::pCfft</td>
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<p>points to the complex FFT instance. </p>
<p>Referenced by <a class="el" href="group__DCT4__IDCT4.html#ga966fd1b66a80873964533703ab5dc054">arm_dct4_init_q15()</a>.</p>
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<td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>* arm_dct4_instance_q15::pCosFactor</td>
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<p>points to the cosFactor table. </p>
<p>Referenced by <a class="el" href="group__DCT4__IDCT4.html#ga966fd1b66a80873964533703ab5dc054">arm_dct4_init_q15()</a>, and <a class="el" href="group__DCT4__IDCT4.html#ga114cb9635059f678df291fcc887aaf2b">arm_dct4_q15()</a>.</p>
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<td class="memname"><a class="el" href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a>* arm_dct4_instance_q15::pRfft</td>
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<p>points to the real FFT instance. </p>
<p>Referenced by <a class="el" href="group__DCT4__IDCT4.html#ga966fd1b66a80873964533703ab5dc054">arm_dct4_init_q15()</a>.</p>
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<td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>* arm_dct4_instance_q15::pTwiddle</td>
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<p>points to the twiddle factor table. </p>
<p>Referenced by <a class="el" href="group__DCT4__IDCT4.html#ga966fd1b66a80873964533703ab5dc054">arm_dct4_init_q15()</a>, and <a class="el" href="group__DCT4__IDCT4.html#ga114cb9635059f678df291fcc887aaf2b">arm_dct4_q15()</a>.</p>
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