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class="memitem:ab413d2a5d3f45fa187d93813bf3bf81b"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix4__instance__q31.html#ab413d2a5d3f45fa187d93813bf3bf81b">fftLen</a></td></tr> <tr class="separator:ab413d2a5d3f45fa187d93813bf3bf81b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:adc0a62ba669ad2282ecbe43d5d96abab"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix4__instance__q31.html#adc0a62ba669ad2282ecbe43d5d96abab">ifftFlag</a></td></tr> <tr class="separator:adc0a62ba669ad2282ecbe43d5d96abab"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a5a7c4f4c7b3fb655cbb2bc11ef160a2a"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix4__instance__q31.html#a5a7c4f4c7b3fb655cbb2bc11ef160a2a">bitReverseFlag</a></td></tr> <tr class="separator:a5a7c4f4c7b3fb655cbb2bc11ef160a2a"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a561c22dee4cbdcfa0fd5f15106ecc306"><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__cfft__radix4__instance__q31.html#a561c22dee4cbdcfa0fd5f15106ecc306">pTwiddle</a></td></tr> <tr class="separator:a561c22dee4cbdcfa0fd5f15106ecc306"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a33a3bc774c97373261699463c05dfe54"><td class="memItemLeft" align="right" valign="top">uint16_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix4__instance__q31.html#a33a3bc774c97373261699463c05dfe54">pBitRevTable</a></td></tr> <tr class="separator:a33a3bc774c97373261699463c05dfe54"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a8cf8187b8232815cf17ee82bf572ecf9"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix4__instance__q31.html#a8cf8187b8232815cf17ee82bf572ecf9">twidCoefModifier</a></td></tr> <tr class="separator:a8cf8187b8232815cf17ee82bf572ecf9"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a94d2fead4efa4d5eaae142bbe30b0e15"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix4__instance__q31.html#a94d2fead4efa4d5eaae142bbe30b0e15">bitRevFactor</a></td></tr> <tr class="separator:a94d2fead4efa4d5eaae142bbe30b0e15"><td class="memSeparator" colspan="2"> </td></tr> </table> <h2 class="groupheader">Field Documentation</h2> <a class="anchor" id="a5a7c4f4c7b3fb655cbb2bc11ef160a2a"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">uint8_t arm_cfft_radix4_instance_q31::bitReverseFlag</td> </tr> </table> </div><div class="memdoc"> <p>flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. </p> <p>Referenced by <a class="el" href="group__ComplexFFT.html#gad5caaafeec900c8ff72321c01bbd462c">arm_cfft_radix4_init_q31()</a>, and <a class="el" href="group__ComplexFFT.html#gafde3ee1f58cf393b45a9073174fff548">arm_cfft_radix4_q31()</a>.</p> </div> </div> <a class="anchor" id="a94d2fead4efa4d5eaae142bbe30b0e15"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">uint16_t arm_cfft_radix4_instance_q31::bitRevFactor</td> </tr> </table> </div><div class="memdoc"> <p>bit reversal modifier that supports different size FFTs with the same bit reversal table. </p> <p>Referenced by <a class="el" href="group__ComplexFFT.html#gad5caaafeec900c8ff72321c01bbd462c">arm_cfft_radix4_init_q31()</a>, and <a class="el" href="group__ComplexFFT.html#gafde3ee1f58cf393b45a9073174fff548">arm_cfft_radix4_q31()</a>.</p> </div> </div> <a class="anchor" id="ab413d2a5d3f45fa187d93813bf3bf81b"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">uint16_t arm_cfft_radix4_instance_q31::fftLen</td> </tr> </table> </div><div class="memdoc"> <p>length of the FFT. </p> <p>Referenced by <a class="el" href="group__ComplexFFT.html#gad5caaafeec900c8ff72321c01bbd462c">arm_cfft_radix4_init_q31()</a>, and <a class="el" href="group__ComplexFFT.html#gafde3ee1f58cf393b45a9073174fff548">arm_cfft_radix4_q31()</a>.</p> </div> </div> <a class="anchor" id="adc0a62ba669ad2282ecbe43d5d96abab"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">uint8_t arm_cfft_radix4_instance_q31::ifftFlag</td> </tr> </table> </div><div class="memdoc"> <p>flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. </p> <p>Referenced by <a class="el" href="group__ComplexFFT.html#gad5caaafeec900c8ff72321c01bbd462c">arm_cfft_radix4_init_q31()</a>, and <a class="el" href="group__ComplexFFT.html#gafde3ee1f58cf393b45a9073174fff548">arm_cfft_radix4_q31()</a>.</p> </div> </div> <a class="anchor" id="a33a3bc774c97373261699463c05dfe54"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">uint16_t* arm_cfft_radix4_instance_q31::pBitRevTable</td> </tr> </table> </div><div class="memdoc"> <p>points to the bit reversal table. </p> <p>Referenced by <a class="el" href="group__ComplexFFT.html#gad5caaafeec900c8ff72321c01bbd462c">arm_cfft_radix4_init_q31()</a>, and <a class="el" href="group__ComplexFFT.html#gafde3ee1f58cf393b45a9073174fff548">arm_cfft_radix4_q31()</a>.</p> </div> </div> <a class="anchor" id="a561c22dee4cbdcfa0fd5f15106ecc306"></a> <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>* arm_cfft_radix4_instance_q31::pTwiddle</td> </tr> </table> </div><div class="memdoc"> <p>points to the twiddle factor table. </p> <p>Referenced by <a class="el" href="group__ComplexFFT.html#gad5caaafeec900c8ff72321c01bbd462c">arm_cfft_radix4_init_q31()</a>, and <a class="el" href="group__ComplexFFT.html#gafde3ee1f58cf393b45a9073174fff548">arm_cfft_radix4_q31()</a>.</p> </div> </div> <a class="anchor" id="a8cf8187b8232815cf17ee82bf572ecf9"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">uint16_t arm_cfft_radix4_instance_q31::twidCoefModifier</td> </tr> </table> </div><div class="memdoc"> <p>twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. </p> <p>Referenced by <a class="el" href="group__ComplexFFT.html#gad5caaafeec900c8ff72321c01bbd462c">arm_cfft_radix4_init_q31()</a>, and <a class="el" href="group__ComplexFFT.html#gafde3ee1f58cf393b45a9073174fff548">arm_cfft_radix4_q31()</a>.</p> </div> </div> </div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="structarm__cfft__radix4__instance__q31.html">arm_cfft_radix4_instance_q31</a></li> <li class="footer">Generated on Wed Feb 8 2017 10:20:52 for CMSIS-DSP by ARM Ltd. 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