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  53 <h1>arm_rfft_instance_f32 Struct Reference</h1>  </div>
  54 </div>
  55 <div class="contents">
  56 <!-- doxytag: class="arm_rfft_instance_f32" -->
  57 <p>Instance structure for the floating-point RFFT/RIFFT function.
  58 <a href="#_details">More...</a></p>
  59
  60 <p><code>#include &lt;<a class="el" href="arm__math_8h_source.html">arm_math.h</a>&gt;</code></p>
  61 <table class="memberdecls">
  62 <tr><td colspan="2"><h2><a name="pub-attribs"></a>
  63 Data Fields</h2></td></tr>
  64 <tr><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__rfft__instance__f32.html#a4219d4669699e4efdcb150ed7a0d9a57">fftLenReal</a></td></tr>
  65 <tr><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__rfft__instance__f32.html#a075076e07ebb8521d8e3b49a31db6c57">fftLenBy2</a></td></tr>
  66 <tr><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__rfft__instance__f32.html#a5ee6d10a934ab4b666e0bb286c3d633f">ifftFlagR</a></td></tr>
  67 <tr><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__rfft__instance__f32.html#ac342f3248157cbbd2f04a3c8ec9fc9eb">bitReverseFlagR</a></td></tr>
  68 <tr><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__rfft__instance__f32.html#aede85350fb5ae6baa1b3e8bfa15b18d6">twidCoefRModifier</a></td></tr>
  69 <tr><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__rfft__instance__f32.html#a534cc7e6e9b3e3dd022fad611c762142">pTwiddleAReal</a></td></tr>
  70 <tr><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__rfft__instance__f32.html#a23543ecfd027fea2477fe1eea23c3c4d">pTwiddleBReal</a></td></tr>
  71 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__rfft__instance__f32.html#a9f47ba9f50c81e4445ae3827b981bc05">pCfft</a></td></tr>
  72 </table>
  73 <hr/><a name="_details"></a><h2>Detailed Description</h2>
  74 <p>Instance structure for the floating-point RFFT/RIFFT function. </p>
  75
  76 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02188">2188</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
  77 <hr/><h2>Field Documentation</h2>
  78 <a class="anchor" id="a4219d4669699e4efdcb150ed7a0d9a57"></a><!-- doxytag: member="arm_rfft_instance_f32::fftLenReal" ref="a4219d4669699e4efdcb150ed7a0d9a57" args="" -->
  79 <div class="memitem">
  80 <div class="memproto">
  81       <table class="memname">
  82         <tr>
  83           <td class="memname">uint32_t <a class="el" href="structarm__rfft__instance__f32.html#a4219d4669699e4efdcb150ed7a0d9a57">arm_rfft_instance_f32::fftLenReal</a></td>
  84         </tr>
  85       </table>
  86 </div>
  87 <div class="memdoc">
  88 <p>length of the real FFT. </p>
  89
  90 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02190">2190</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
  91
  92 </div>
  93 </div>
  94 <a class="anchor" id="a075076e07ebb8521d8e3b49a31db6c57"></a><!-- doxytag: member="arm_rfft_instance_f32::fftLenBy2" ref="a075076e07ebb8521d8e3b49a31db6c57" args="" -->
  95 <div class="memitem">
  96 <div class="memproto">
  97       <table class="memname">
  98         <tr>
  99           <td class="memname">uint16_t <a class="el" href="structarm__rfft__instance__f32.html#a075076e07ebb8521d8e3b49a31db6c57">arm_rfft_instance_f32::fftLenBy2</a></td>
 100         </tr>
 101       </table>
 102 </div>
 103 <div class="memdoc">
 104 <p>length of the complex FFT. </p>
 105
 106 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02191">2191</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
 107
 108 </div>
 109 </div>
 110 <a class="anchor" id="a5ee6d10a934ab4b666e0bb286c3d633f"></a><!-- doxytag: member="arm_rfft_instance_f32::ifftFlagR" ref="a5ee6d10a934ab4b666e0bb286c3d633f" args="" -->
 111 <div class="memitem">
 112 <div class="memproto">
 113       <table class="memname">
 114         <tr>
 115           <td class="memname">uint8_t <a class="el" href="structarm__rfft__instance__f32.html#a5ee6d10a934ab4b666e0bb286c3d633f">arm_rfft_instance_f32::ifftFlagR</a></td>
 116         </tr>
 117       </table>
 118 </div>
 119 <div class="memdoc">
 120 <p>flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. </p>
 121
 122 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02192">2192</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
 123
 124 </div>
 125 </div>
 126 <a class="anchor" id="ac342f3248157cbbd2f04a3c8ec9fc9eb"></a><!-- doxytag: member="arm_rfft_instance_f32::bitReverseFlagR" ref="ac342f3248157cbbd2f04a3c8ec9fc9eb" args="" -->
 127 <div class="memitem">
 128 <div class="memproto">
 129       <table class="memname">
 130         <tr>
 131           <td class="memname">uint8_t <a class="el" href="structarm__rfft__instance__f32.html#ac342f3248157cbbd2f04a3c8ec9fc9eb">arm_rfft_instance_f32::bitReverseFlagR</a></td>
 132         </tr>
 133       </table>
 134 </div>
 135 <div class="memdoc">
 136 <p>flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. </p>
 137
 138 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02193">2193</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
 139
 140 </div>
 141 </div>
 142 <a class="anchor" id="aede85350fb5ae6baa1b3e8bfa15b18d6"></a><!-- doxytag: member="arm_rfft_instance_f32::twidCoefRModifier" ref="aede85350fb5ae6baa1b3e8bfa15b18d6" args="" -->
 143 <div class="memitem">
 144 <div class="memproto">
 145       <table class="memname">
 146         <tr>
 147           <td class="memname">uint32_t <a class="el" href="structarm__rfft__instance__f32.html#aede85350fb5ae6baa1b3e8bfa15b18d6">arm_rfft_instance_f32::twidCoefRModifier</a></td>
 148         </tr>
 149       </table>
 150 </div>
 151 <div class="memdoc">
 152 <p>twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. </p>
 153
 154 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02194">2194</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
 155
 156 </div>
 157 </div>
 158 <a class="anchor" id="a534cc7e6e9b3e3dd022fad611c762142"></a><!-- doxytag: member="arm_rfft_instance_f32::pTwiddleAReal" ref="a534cc7e6e9b3e3dd022fad611c762142" args="" -->
 159 <div class="memitem">
 160 <div class="memproto">
 161       <table class="memname">
 162         <tr>
 163           <td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>* <a class="el" href="structarm__rfft__instance__f32.html#a534cc7e6e9b3e3dd022fad611c762142">arm_rfft_instance_f32::pTwiddleAReal</a></td>
 164         </tr>
 165       </table>
 166 </div>
 167 <div class="memdoc">
 168 <p>points to the real twiddle factor table. </p>
 169
 170 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02195">2195</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
 171
 172 </div>
 173 </div>
 174 <a class="anchor" id="a23543ecfd027fea2477fe1eea23c3c4d"></a><!-- doxytag: member="arm_rfft_instance_f32::pTwiddleBReal" ref="a23543ecfd027fea2477fe1eea23c3c4d" args="" -->
 175 <div class="memitem">
 176 <div class="memproto">
 177       <table class="memname">
 178         <tr>
 179           <td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>* <a class="el" href="structarm__rfft__instance__f32.html#a23543ecfd027fea2477fe1eea23c3c4d">arm_rfft_instance_f32::pTwiddleBReal</a></td>
 180         </tr>
 181       </table>
 182 </div>
 183 <div class="memdoc">
 184 <p>points to the imag twiddle factor table. </p>
 185
 186 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02196">2196</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
 187
 188 </div>
 189 </div>
 190 <a class="anchor" id="a9f47ba9f50c81e4445ae3827b981bc05"></a><!-- doxytag: member="arm_rfft_instance_f32::pCfft" ref="a9f47ba9f50c81e4445ae3827b981bc05" args="" -->
 191 <div class="memitem">
 192 <div class="memproto">
 193       <table class="memname">
 194         <tr>
 195           <td class="memname"><a class="el" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a>* <a class="el" href="structarm__rfft__instance__f32.html#a9f47ba9f50c81e4445ae3827b981bc05">arm_rfft_instance_f32::pCfft</a></td>
 196         </tr>
 197       </table>
 198 </div>
 199 <div class="memdoc">
 200 <p>points to the complex FFT instance. </p>
 201
 202 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l02197">2197</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
 203
 204 </div>
 205 </div>
 206 <hr/>The documentation for this struct was generated from the following file:<ul>
 207 <li><a class="el" href="arm__math_8h_source.html">arm_math.h</a></li>
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