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<div class="title">arm_dct4_instance_f32 Struct Reference</div> </div>
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<p>Instance structure for the floating-point DCT4/IDCT4 function.
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
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Data Fields</h2></td></tr>
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<tr class="memitem:a262b29a51c371b46efc89120e31ccf37"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__f32.html#a262b29a51c371b46efc89120e31ccf37">N</a></td></tr>
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<tr class="memitem:adb1ef2739ddbe62e5cdadc47455a4147"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__f32.html#adb1ef2739ddbe62e5cdadc47455a4147">Nby2</a></td></tr>
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<tr class="separator:adb1ef2739ddbe62e5cdadc47455a4147"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a61ce8c967b2e998a9c0041cca73cdef8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__f32.html#a61ce8c967b2e998a9c0041cca73cdef8">normalize</a></td></tr>
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<tr class="separator:a61ce8c967b2e998a9c0041cca73cdef8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad13544aafad268588c62e3eb35ae662c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__f32.html#ad13544aafad268588c62e3eb35ae662c">pTwiddle</a></td></tr>
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<tr class="separator:ad13544aafad268588c62e3eb35ae662c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6da1187e070801e011ce5e0582efa861"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__f32.html#a6da1187e070801e011ce5e0582efa861">pCosFactor</a></td></tr>
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<tr class="separator:a6da1187e070801e011ce5e0582efa861"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a978f37fc19add31af243ab5c63ae502f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structarm__rfft__instance__f32.html">arm_rfft_instance_f32</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__f32.html#a978f37fc19add31af243ab5c63ae502f">pRfft</a></td></tr>
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<tr class="separator:a978f37fc19add31af243ab5c63ae502f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a018f7860b6e070af533fb7d76c7cdc32"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__f32.html#a018f7860b6e070af533fb7d76c7cdc32">pCfft</a></td></tr>
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<tr class="separator:a018f7860b6e070af533fb7d76c7cdc32"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<h2 class="groupheader">Field Documentation</h2>
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<a class="anchor" id="a262b29a51c371b46efc89120e31ccf37"></a>
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<td class="memname">uint16_t arm_dct4_instance_f32::N</td>
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<p>length of the DCT4. </p>
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<p>Referenced by <a class="el" href="group__DCT4__IDCT4.html#gafd538d68886848bc090ec2b0d364cc81">arm_dct4_f32()</a>, and <a class="el" href="group__DCT4__IDCT4.html#gab094ad3bc6fa1b84e8b12a24e1850a06">arm_dct4_init_f32()</a>.</p>
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<td class="memname">uint16_t arm_dct4_instance_f32::Nby2</td>
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<p>half of the length of the DCT4. </p>
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<p>Referenced by <a class="el" href="group__DCT4__IDCT4.html#gafd538d68886848bc090ec2b0d364cc81">arm_dct4_f32()</a>, and <a class="el" href="group__DCT4__IDCT4.html#gab094ad3bc6fa1b84e8b12a24e1850a06">arm_dct4_init_f32()</a>.</p>
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<a class="anchor" id="a61ce8c967b2e998a9c0041cca73cdef8"></a>
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<td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> arm_dct4_instance_f32::normalize</td>
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</div><div class="memdoc">
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<p>normalizing factor. </p>
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<p>Referenced by <a class="el" href="group__DCT4__IDCT4.html#gab094ad3bc6fa1b84e8b12a24e1850a06">arm_dct4_init_f32()</a>.</p>
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<a class="anchor" id="a018f7860b6e070af533fb7d76c7cdc32"></a>
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<td class="memname"><a class="el" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a>* arm_dct4_instance_f32::pCfft</td>
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</div><div class="memdoc">
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<p>points to the complex FFT instance. </p>
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<p>Referenced by <a class="el" href="group__DCT4__IDCT4.html#gab094ad3bc6fa1b84e8b12a24e1850a06">arm_dct4_init_f32()</a>.</p>
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<td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>* arm_dct4_instance_f32::pCosFactor</td>
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<p>points to the cosFactor table. </p>
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<p>Referenced by <a class="el" href="group__DCT4__IDCT4.html#gafd538d68886848bc090ec2b0d364cc81">arm_dct4_f32()</a>, and <a class="el" href="group__DCT4__IDCT4.html#gab094ad3bc6fa1b84e8b12a24e1850a06">arm_dct4_init_f32()</a>.</p>
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<td class="memname"><a class="el" href="structarm__rfft__instance__f32.html">arm_rfft_instance_f32</a>* arm_dct4_instance_f32::pRfft</td>
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<p>points to the real FFT instance. </p>
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<p>Referenced by <a class="el" href="group__DCT4__IDCT4.html#gab094ad3bc6fa1b84e8b12a24e1850a06">arm_dct4_init_f32()</a>.</p>
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<td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>* arm_dct4_instance_f32::pTwiddle</td>
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<p>points to the twiddle factor table. </p>
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<p>Referenced by <a class="el" href="group__DCT4__IDCT4.html#gafd538d68886848bc090ec2b0d364cc81">arm_dct4_f32()</a>, and <a class="el" href="group__DCT4__IDCT4.html#gab094ad3bc6fa1b84e8b12a24e1850a06">arm_dct4_init_f32()</a>.</p>
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