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<div class="title">arm_cfft_radix2_instance_f32 Struct Reference</div>  </div>
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<p>Instance structure for the floating-point CFFT/CIFFT function.  
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Data Fields</h2></td></tr>
<tr class="memitem:a2f915a1c29635c1623086aaaa726be8f"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__f32.html#a2f915a1c29635c1623086aaaa726be8f">fftLen</a></td></tr>
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<tr class="memitem:a8dbe98d2c924e35e0a3fed2fe948176f"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__f32.html#a8dbe98d2c924e35e0a3fed2fe948176f">ifftFlag</a></td></tr>
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<tr class="memitem:af713b4ac5256a19bc965c89fe3005fa3"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__f32.html#af713b4ac5256a19bc965c89fe3005fa3">bitReverseFlag</a></td></tr>
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<tr class="memitem:adb0c9d47dbfbd90a6f6ed0a05313a974"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__f32.html#adb0c9d47dbfbd90a6f6ed0a05313a974">pTwiddle</a></td></tr>
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<tr class="memitem:a92b8fa0a151cd800436094903a5ca0a4"><td class="memItemLeft" align="right" valign="top">uint16_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__f32.html#a92b8fa0a151cd800436094903a5ca0a4">pBitRevTable</a></td></tr>
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<tr class="memitem:a411f75b6ed01690293f4f5988030ea42"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__f32.html#a411f75b6ed01690293f4f5988030ea42">twidCoefModifier</a></td></tr>
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<tr class="memitem:ac1688dafa5177f6b1505abbfd0cf8b21"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__f32.html#ac1688dafa5177f6b1505abbfd0cf8b21">bitRevFactor</a></td></tr>
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<tr class="memitem:a1d3d289d47443e597d88a40effd14b8f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__f32.html#a1d3d289d47443e597d88a40effd14b8f">onebyfftLen</a></td></tr>
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<h2 class="groupheader">Field Documentation</h2>
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<p>flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. </p>

<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga9fadd650b802f612ae558ddaab789a6d">arm_cfft_radix2_f32()</a>, and <a class="el" href="group___complex_f_f_t.html#gac9565e6bc7229577ecf5e090313cafd7">arm_cfft_radix2_init_f32()</a>.</p>

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<p>bit reversal modifier that supports different size FFTs with the same bit reversal table. </p>

<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga9fadd650b802f612ae558ddaab789a6d">arm_cfft_radix2_f32()</a>, and <a class="el" href="group___complex_f_f_t.html#gac9565e6bc7229577ecf5e090313cafd7">arm_cfft_radix2_init_f32()</a>.</p>

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<p>length of the FFT. </p>

<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga9fadd650b802f612ae558ddaab789a6d">arm_cfft_radix2_f32()</a>, and <a class="el" href="group___complex_f_f_t.html#gac9565e6bc7229577ecf5e090313cafd7">arm_cfft_radix2_init_f32()</a>.</p>

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<p>flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. </p>

<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga9fadd650b802f612ae558ddaab789a6d">arm_cfft_radix2_f32()</a>, and <a class="el" href="group___complex_f_f_t.html#gac9565e6bc7229577ecf5e090313cafd7">arm_cfft_radix2_init_f32()</a>.</p>

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          <td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> arm_cfft_radix2_instance_f32::onebyfftLen</td>
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<p>value of 1/fftLen. </p>

<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga9fadd650b802f612ae558ddaab789a6d">arm_cfft_radix2_f32()</a>, and <a class="el" href="group___complex_f_f_t.html#gac9565e6bc7229577ecf5e090313cafd7">arm_cfft_radix2_init_f32()</a>.</p>

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<p>points to the bit reversal table. </p>

<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga9fadd650b802f612ae558ddaab789a6d">arm_cfft_radix2_f32()</a>, and <a class="el" href="group___complex_f_f_t.html#gac9565e6bc7229577ecf5e090313cafd7">arm_cfft_radix2_init_f32()</a>.</p>

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          <td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>* arm_cfft_radix2_instance_f32::pTwiddle</td>
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<p>points to the Twiddle factor table. </p>

<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga9fadd650b802f612ae558ddaab789a6d">arm_cfft_radix2_f32()</a>, and <a class="el" href="group___complex_f_f_t.html#gac9565e6bc7229577ecf5e090313cafd7">arm_cfft_radix2_init_f32()</a>.</p>

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<p>twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. </p>

<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga9fadd650b802f612ae558ddaab789a6d">arm_cfft_radix2_f32()</a>, and <a class="el" href="group___complex_f_f_t.html#gac9565e6bc7229577ecf5e090313cafd7">arm_cfft_radix2_init_f32()</a>.</p>

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