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| <h1>arm_dct4_instance_q31 Struct Reference</h1> </div> |
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| <!-- doxytag: class="arm_dct4_instance_q31" --> |
| <p>Instance structure for the Q31 DCT4/IDCT4 function. |
| <a href="#_details">More...</a></p> |
| |
| <p><code>#include <<a class="el" href="arm__math_8h_source.html">arm_math.h</a>></code></p> |
| <table class="memberdecls"> |
| <tr><td colspan="2"><h2><a name="pub-attribs"></a> |
| Data Fields</h2></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q31.html#a46a9f136457350676e2bfd3768ff9d6d">N</a></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q31.html#a32d3268ba4629908dba056599f0a904d">Nby2</a></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q31.html#ac80ff7b28fca36aeef74dea12e8312dd">normalize</a></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q31.html#a7db236e22673146bb1d2c962f0713f08">pTwiddle</a></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q31.html#af97204d1838925621fc82021a0c2d6c1">pCosFactor</a></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structarm__rfft__instance__q31.html">arm_rfft_instance_q31</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q31.html#af1487dab5e7963b85dc0fdc6bf492542">pRfft</a></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structarm__cfft__radix4__instance__q31.html">arm_cfft_radix4_instance_q31</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q31.html#ac96579cfb28d08bb11dd2fe4c6303833">pCfft</a></td></tr> |
| </table> |
| <hr/><a name="_details"></a><h2>Detailed Description</h2> |
| <p>Instance structure for the Q31 DCT4/IDCT4 function. </p> |
| |
| <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02341">2341</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p> |
| <hr/><h2>Field Documentation</h2> |
| <a class="anchor" id="a46a9f136457350676e2bfd3768ff9d6d"></a><!-- doxytag: member="arm_dct4_instance_q31::N" ref="a46a9f136457350676e2bfd3768ff9d6d" args="" --> |
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| <td class="memname">uint16_t <a class="el" href="structarm__dct4__instance__q31.html#a46a9f136457350676e2bfd3768ff9d6d">arm_dct4_instance_q31::N</a></td> |
| </tr> |
| </table> |
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| <div class="memdoc"> |
| <p>length of the DCT4. </p> |
| |
| <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02343">2343</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a32d3268ba4629908dba056599f0a904d"></a><!-- doxytag: member="arm_dct4_instance_q31::Nby2" ref="a32d3268ba4629908dba056599f0a904d" args="" --> |
| <div class="memitem"> |
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| <tr> |
| <td class="memname">uint16_t <a class="el" href="structarm__dct4__instance__q31.html#a32d3268ba4629908dba056599f0a904d">arm_dct4_instance_q31::Nby2</a></td> |
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| <p>half of the length of the DCT4. </p> |
| |
| <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02344">2344</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="ac80ff7b28fca36aeef74dea12e8312dd"></a><!-- doxytag: member="arm_dct4_instance_q31::normalize" ref="ac80ff7b28fca36aeef74dea12e8312dd" args="" --> |
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| <tr> |
| <td class="memname"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> <a class="el" href="structarm__dct4__instance__q31.html#ac80ff7b28fca36aeef74dea12e8312dd">arm_dct4_instance_q31::normalize</a></td> |
| </tr> |
| </table> |
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| <div class="memdoc"> |
| <p>normalizing factor. </p> |
| |
| <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02345">2345</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a7db236e22673146bb1d2c962f0713f08"></a><!-- doxytag: member="arm_dct4_instance_q31::pTwiddle" ref="a7db236e22673146bb1d2c962f0713f08" args="" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>* <a class="el" href="structarm__dct4__instance__q31.html#a7db236e22673146bb1d2c962f0713f08">arm_dct4_instance_q31::pTwiddle</a></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <p>points to the twiddle factor table. </p> |
| |
| <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02346">2346</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="af97204d1838925621fc82021a0c2d6c1"></a><!-- doxytag: member="arm_dct4_instance_q31::pCosFactor" ref="af97204d1838925621fc82021a0c2d6c1" args="" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>* <a class="el" href="structarm__dct4__instance__q31.html#af97204d1838925621fc82021a0c2d6c1">arm_dct4_instance_q31::pCosFactor</a></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <p>points to the cosFactor table. </p> |
| |
| <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02347">2347</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="af1487dab5e7963b85dc0fdc6bf492542"></a><!-- doxytag: member="arm_dct4_instance_q31::pRfft" ref="af1487dab5e7963b85dc0fdc6bf492542" args="" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="structarm__rfft__instance__q31.html">arm_rfft_instance_q31</a>* <a class="el" href="structarm__dct4__instance__q31.html#af1487dab5e7963b85dc0fdc6bf492542">arm_dct4_instance_q31::pRfft</a></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <p>points to the real FFT instance. </p> |
| |
| <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02348">2348</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="ac96579cfb28d08bb11dd2fe4c6303833"></a><!-- doxytag: member="arm_dct4_instance_q31::pCfft" ref="ac96579cfb28d08bb11dd2fe4c6303833" args="" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="structarm__cfft__radix4__instance__q31.html">arm_cfft_radix4_instance_q31</a>* <a class="el" href="structarm__dct4__instance__q31.html#ac96579cfb28d08bb11dd2fe4c6303833">arm_dct4_instance_q31::pCfft</a></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <p>points to the complex FFT instance. </p> |
| |
| <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02349">2349</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p> |
| |
| </div> |
| </div> |
| <hr/>The documentation for this struct was generated from the following file:<ul> |
| <li><a class="el" href="arm__math_8h_source.html">arm_math.h</a></li> |
| </ul> |
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