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49 <div class="headertitle">
50 <h1>arm_lms_f32.c</h1> </div>
52 <div class="contents">
53 <a href="arm__lms__f32_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ---------------------------------------------------------------------- </span>
54 <a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
55 <a name="l00003"></a>00003 <span class="comment">* </span>
56 <a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
57 <a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
58 <a name="l00006"></a>00006 <span class="comment">* </span>
59 <a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
60 <a name="l00008"></a>00008 <span class="comment">* Title: arm_lms_f32.c </span>
61 <a name="l00009"></a>00009 <span class="comment">* </span>
62 <a name="l00010"></a>00010 <span class="comment">* Description: Processing function for the floating-point LMS filter. </span>
63 <a name="l00011"></a>00011 <span class="comment">* </span>
64 <a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
65 <a name="l00013"></a>00013 <span class="comment">* </span>
66 <a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
67 <a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
68 <a name="l00016"></a>00016 <span class="comment">* </span>
69 <a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
70 <a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
71 <a name="l00019"></a>00019 <span class="comment">* </span>
72 <a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
73 <a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
74 <a name="l00022"></a>00022 <span class="comment">* </span>
75 <a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
76 <a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
77 <a name="l00025"></a>00025 <span class="comment">* </span>
78 <a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
79 <a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated </span>
80 <a name="l00028"></a>00028 <span class="comment">* </span>
81 <a name="l00029"></a>00029 <span class="comment">* Version 0.0.7 2010/06/10 </span>
82 <a name="l00030"></a>00030 <span class="comment">* Misra-C changes done </span>
83 <a name="l00031"></a>00031 <span class="comment">* -------------------------------------------------------------------- */</span>
84 <a name="l00032"></a>00032
85 <a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="arm__math_8h.html">arm_math.h</a>"</span>
86 <a name="l00034"></a>00034
87 <a name="l00170"></a><a class="code" href="group___l_m_s.html#gae266d009e682180421601627c79a3843">00170</a> <span class="keywordtype">void</span> <a class="code" href="group___l_m_s.html#gae266d009e682180421601627c79a3843" title="Processing function for floating-point LMS filter.">arm_lms_f32</a>(
88 <a name="l00171"></a>00171 <span class="keyword">const</span> <a class="code" href="structarm__lms__instance__f32.html" title="Instance structure for the floating-point LMS filter.">arm_lms_instance_f32</a> * S,
89 <a name="l00172"></a>00172 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pSrc,
90 <a name="l00173"></a>00173 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pRef,
91 <a name="l00174"></a>00174 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pOut,
92 <a name="l00175"></a>00175 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> * pErr,
93 <a name="l00176"></a>00176 uint32_t <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)
94 <a name="l00177"></a>00177 {
95 <a name="l00178"></a>00178 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> *pState = S-><a class="code" href="structarm__lms__instance__f32.html#aaf94285be2f99b5b9af40bea8dcb14b9">pState</a>; <span class="comment">/* State pointer */</span>
96 <a name="l00179"></a>00179 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> *pCoeffs = S-><a class="code" href="structarm__lms__instance__f32.html#a4795c6f7d3f17cec15c2fd09f66edd1a">pCoeffs</a>; <span class="comment">/* Coefficient pointer */</span>
97 <a name="l00180"></a>00180 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> *pStateCurnt; <span class="comment">/* Points to the current sample of the state */</span>
98 <a name="l00181"></a>00181 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> *px, *pb; <span class="comment">/* Temporary pointers for state and coefficient buffers */</span>
99 <a name="l00182"></a>00182 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> mu = S-><a class="code" href="structarm__lms__instance__f32.html#ae2af43d74c93dba16b876e10c97a5b99">mu</a>; <span class="comment">/* Adaptive factor */</span>
100 <a name="l00183"></a>00183 uint32_t numTaps = S-><a class="code" href="structarm__lms__instance__f32.html#af73880d9009982f5d14529869494ec3d">numTaps</a>; <span class="comment">/* Number of filter coefficients in the filter */</span>
101 <a name="l00184"></a>00184 uint32_t tapCnt, blkCnt; <span class="comment">/* Loop counters */</span>
102 <a name="l00185"></a>00185 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> sum, e, d; <span class="comment">/* accumulator, error, reference data sample */</span>
103 <a name="l00186"></a>00186 <a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a> w = 0.0f; <span class="comment">/* weight factor */</span>
104 <a name="l00187"></a>00187
105 <a name="l00188"></a>00188 e = 0.0f;
106 <a name="l00189"></a>00189 d = 0.0f;
107 <a name="l00190"></a>00190
108 <a name="l00191"></a>00191 <span class="comment">/* S->pState points to state array which contains previous frame (numTaps - 1) samples */</span>
109 <a name="l00192"></a>00192 <span class="comment">/* pStateCurnt points to the location where the new input data should be written */</span>
110 <a name="l00193"></a>00193 pStateCurnt = &(S-><a class="code" href="structarm__lms__instance__f32.html#aaf94285be2f99b5b9af40bea8dcb14b9">pState</a>[(numTaps - 1u)]);
111 <a name="l00194"></a>00194
112 <a name="l00195"></a>00195 blkCnt = <a class="code" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>;
113 <a name="l00196"></a>00196
114 <a name="l00197"></a>00197
115 <a name="l00198"></a>00198 <span class="preprocessor">#ifndef ARM_MATH_CM0</span>
116 <a name="l00199"></a>00199 <span class="preprocessor"></span>
117 <a name="l00200"></a>00200 <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
118 <a name="l00201"></a>00201
119 <a name="l00202"></a>00202 <span class="keywordflow">while</span>(blkCnt > 0u)
120 <a name="l00203"></a>00203 {
121 <a name="l00204"></a>00204 <span class="comment">/* Copy the new input sample into the state buffer */</span>
122 <a name="l00205"></a>00205 *pStateCurnt++ = *pSrc++;
123 <a name="l00206"></a>00206
124 <a name="l00207"></a>00207 <span class="comment">/* Initialize pState pointer */</span>
125 <a name="l00208"></a>00208 px = pState;
126 <a name="l00209"></a>00209
127 <a name="l00210"></a>00210 <span class="comment">/* Initialize coeff pointer */</span>
128 <a name="l00211"></a>00211 pb = (pCoeffs);
129 <a name="l00212"></a>00212
130 <a name="l00213"></a>00213 <span class="comment">/* Set the accumulator to zero */</span>
131 <a name="l00214"></a>00214 sum = 0.0f;
132 <a name="l00215"></a>00215
133 <a name="l00216"></a>00216 <span class="comment">/* Loop unrolling. Process 4 taps at a time. */</span>
134 <a name="l00217"></a>00217 tapCnt = numTaps >> 2;
135 <a name="l00218"></a>00218
136 <a name="l00219"></a>00219 <span class="keywordflow">while</span>(tapCnt > 0u)
137 <a name="l00220"></a>00220 {
138 <a name="l00221"></a>00221 <span class="comment">/* Perform the multiply-accumulate */</span>
139 <a name="l00222"></a>00222 sum += (*px++) * (*pb++);
140 <a name="l00223"></a>00223 sum += (*px++) * (*pb++);
141 <a name="l00224"></a>00224 sum += (*px++) * (*pb++);
142 <a name="l00225"></a>00225 sum += (*px++) * (*pb++);
143 <a name="l00226"></a>00226
144 <a name="l00227"></a>00227 <span class="comment">/* Decrement the loop counter */</span>
145 <a name="l00228"></a>00228 tapCnt--;
146 <a name="l00229"></a>00229 }
147 <a name="l00230"></a>00230
148 <a name="l00231"></a>00231 <span class="comment">/* If the filter length is not a multiple of 4, compute the remaining filter taps */</span>
149 <a name="l00232"></a>00232 tapCnt = numTaps % 0x4u;
150 <a name="l00233"></a>00233
151 <a name="l00234"></a>00234 <span class="keywordflow">while</span>(tapCnt > 0u)
152 <a name="l00235"></a>00235 {
153 <a name="l00236"></a>00236 <span class="comment">/* Perform the multiply-accumulate */</span>
154 <a name="l00237"></a>00237 sum += (*px++) * (*pb++);
155 <a name="l00238"></a>00238
156 <a name="l00239"></a>00239 <span class="comment">/* Decrement the loop counter */</span>
157 <a name="l00240"></a>00240 tapCnt--;
158 <a name="l00241"></a>00241 }
159 <a name="l00242"></a>00242
160 <a name="l00243"></a>00243 <span class="comment">/* The result in the accumulator, store in the destination buffer. */</span>
161 <a name="l00244"></a>00244 *pOut++ = sum;
162 <a name="l00245"></a>00245
163 <a name="l00246"></a>00246 <span class="comment">/* Compute and store error */</span>
164 <a name="l00247"></a>00247 d = (<a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a>) (*pRef++);
165 <a name="l00248"></a>00248 e = d - sum;
166 <a name="l00249"></a>00249 *pErr++ = e;
167 <a name="l00250"></a>00250
168 <a name="l00251"></a>00251 <span class="comment">/* Calculation of Weighting factor for the updating filter coefficients */</span>
169 <a name="l00252"></a>00252 w = e * mu;
170 <a name="l00253"></a>00253
171 <a name="l00254"></a>00254 <span class="comment">/* Initialize pState pointer */</span>
172 <a name="l00255"></a>00255 px = pState;
173 <a name="l00256"></a>00256
174 <a name="l00257"></a>00257 <span class="comment">/* Initialize coeff pointer */</span>
175 <a name="l00258"></a>00258 pb = (pCoeffs);
176 <a name="l00259"></a>00259
177 <a name="l00260"></a>00260 <span class="comment">/* Loop unrolling. Process 4 taps at a time. */</span>
178 <a name="l00261"></a>00261 tapCnt = numTaps >> 2;
179 <a name="l00262"></a>00262
180 <a name="l00263"></a>00263 <span class="comment">/* Update filter coefficients */</span>
181 <a name="l00264"></a>00264 <span class="keywordflow">while</span>(tapCnt > 0u)
182 <a name="l00265"></a>00265 {
183 <a name="l00266"></a>00266 <span class="comment">/* Perform the multiply-accumulate */</span>
184 <a name="l00267"></a>00267 *pb = *pb + (w * (*px++));
185 <a name="l00268"></a>00268 pb++;
186 <a name="l00269"></a>00269
187 <a name="l00270"></a>00270 *pb = *pb + (w * (*px++));
188 <a name="l00271"></a>00271 pb++;
189 <a name="l00272"></a>00272
190 <a name="l00273"></a>00273 *pb = *pb + (w * (*px++));
191 <a name="l00274"></a>00274 pb++;
192 <a name="l00275"></a>00275
193 <a name="l00276"></a>00276 *pb = *pb + (w * (*px++));
194 <a name="l00277"></a>00277 pb++;
195 <a name="l00278"></a>00278
196 <a name="l00279"></a>00279 <span class="comment">/* Decrement the loop counter */</span>
197 <a name="l00280"></a>00280 tapCnt--;
198 <a name="l00281"></a>00281 }
199 <a name="l00282"></a>00282
200 <a name="l00283"></a>00283 <span class="comment">/* If the filter length is not a multiple of 4, compute the remaining filter taps */</span>
201 <a name="l00284"></a>00284 tapCnt = numTaps % 0x4u;
202 <a name="l00285"></a>00285
203 <a name="l00286"></a>00286 <span class="keywordflow">while</span>(tapCnt > 0u)
204 <a name="l00287"></a>00287 {
205 <a name="l00288"></a>00288 <span class="comment">/* Perform the multiply-accumulate */</span>
206 <a name="l00289"></a>00289 *pb = *pb + (w * (*px++));
207 <a name="l00290"></a>00290 pb++;
208 <a name="l00291"></a>00291
209 <a name="l00292"></a>00292 <span class="comment">/* Decrement the loop counter */</span>
210 <a name="l00293"></a>00293 tapCnt--;
211 <a name="l00294"></a>00294 }
212 <a name="l00295"></a>00295
213 <a name="l00296"></a>00296 <span class="comment">/* Advance state pointer by 1 for the next sample */</span>
214 <a name="l00297"></a>00297 pState = pState + 1;
215 <a name="l00298"></a>00298
216 <a name="l00299"></a>00299 <span class="comment">/* Decrement the loop counter */</span>
217 <a name="l00300"></a>00300 blkCnt--;
218 <a name="l00301"></a>00301 }
219 <a name="l00302"></a>00302
220 <a name="l00303"></a>00303
221 <a name="l00304"></a>00304 <span class="comment">/* Processing is complete. Now copy the last numTaps - 1 samples to the </span>
222 <a name="l00305"></a>00305 <span class="comment"> satrt of the state buffer. This prepares the state buffer for the </span>
223 <a name="l00306"></a>00306 <span class="comment"> next function call. */</span>
224 <a name="l00307"></a>00307
225 <a name="l00308"></a>00308 <span class="comment">/* Points to the start of the pState buffer */</span>
226 <a name="l00309"></a>00309 pStateCurnt = S-><a class="code" href="structarm__lms__instance__f32.html#aaf94285be2f99b5b9af40bea8dcb14b9">pState</a>;
227 <a name="l00310"></a>00310
228 <a name="l00311"></a>00311 <span class="comment">/* Loop unrolling for (numTaps - 1u) samples copy */</span>
229 <a name="l00312"></a>00312 tapCnt = (numTaps - 1u) >> 2u;
230 <a name="l00313"></a>00313
231 <a name="l00314"></a>00314 <span class="comment">/* copy data */</span>
232 <a name="l00315"></a>00315 <span class="keywordflow">while</span>(tapCnt > 0u)
233 <a name="l00316"></a>00316 {
234 <a name="l00317"></a>00317 *pStateCurnt++ = *pState++;
235 <a name="l00318"></a>00318 *pStateCurnt++ = *pState++;
236 <a name="l00319"></a>00319 *pStateCurnt++ = *pState++;
237 <a name="l00320"></a>00320 *pStateCurnt++ = *pState++;
238 <a name="l00321"></a>00321
239 <a name="l00322"></a>00322 <span class="comment">/* Decrement the loop counter */</span>
240 <a name="l00323"></a>00323 tapCnt--;
241 <a name="l00324"></a>00324 }
242 <a name="l00325"></a>00325
243 <a name="l00326"></a>00326 <span class="comment">/* Calculate remaining number of copies */</span>
244 <a name="l00327"></a>00327 tapCnt = (numTaps - 1u) % 0x4u;
245 <a name="l00328"></a>00328
246 <a name="l00329"></a>00329 <span class="comment">/* Copy the remaining q31_t data */</span>
247 <a name="l00330"></a>00330 <span class="keywordflow">while</span>(tapCnt > 0u)
248 <a name="l00331"></a>00331 {
249 <a name="l00332"></a>00332 *pStateCurnt++ = *pState++;
250 <a name="l00333"></a>00333
251 <a name="l00334"></a>00334 <span class="comment">/* Decrement the loop counter */</span>
252 <a name="l00335"></a>00335 tapCnt--;
253 <a name="l00336"></a>00336 }
254 <a name="l00337"></a>00337
255 <a name="l00338"></a>00338 <span class="preprocessor">#else</span>
256 <a name="l00339"></a>00339 <span class="preprocessor"></span>
257 <a name="l00340"></a>00340 <span class="comment">/* Run the below code for Cortex-M0 */</span>
258 <a name="l00341"></a>00341
259 <a name="l00342"></a>00342 <span class="keywordflow">while</span>(blkCnt > 0u)
260 <a name="l00343"></a>00343 {
261 <a name="l00344"></a>00344 <span class="comment">/* Copy the new input sample into the state buffer */</span>
262 <a name="l00345"></a>00345 *pStateCurnt++ = *pSrc++;
263 <a name="l00346"></a>00346
264 <a name="l00347"></a>00347 <span class="comment">/* Initialize pState pointer */</span>
265 <a name="l00348"></a>00348 px = pState;
266 <a name="l00349"></a>00349
267 <a name="l00350"></a>00350 <span class="comment">/* Initialize pCoeffs pointer */</span>
268 <a name="l00351"></a>00351 pb = pCoeffs;
269 <a name="l00352"></a>00352
270 <a name="l00353"></a>00353 <span class="comment">/* Set the accumulator to zero */</span>
271 <a name="l00354"></a>00354 sum = 0.0f;
272 <a name="l00355"></a>00355
273 <a name="l00356"></a>00356 <span class="comment">/* Loop over numTaps number of values */</span>
274 <a name="l00357"></a>00357 tapCnt = numTaps;
275 <a name="l00358"></a>00358
276 <a name="l00359"></a>00359 <span class="keywordflow">while</span>(tapCnt > 0u)
277 <a name="l00360"></a>00360 {
278 <a name="l00361"></a>00361 <span class="comment">/* Perform the multiply-accumulate */</span>
279 <a name="l00362"></a>00362 sum += (*px++) * (*pb++);
280 <a name="l00363"></a>00363
281 <a name="l00364"></a>00364 <span class="comment">/* Decrement the loop counter */</span>
282 <a name="l00365"></a>00365 tapCnt--;
283 <a name="l00366"></a>00366 }
284 <a name="l00367"></a>00367
285 <a name="l00368"></a>00368 <span class="comment">/* The result is stored in the destination buffer. */</span>
286 <a name="l00369"></a>00369 *pOut++ = sum;
287 <a name="l00370"></a>00370
288 <a name="l00371"></a>00371 <span class="comment">/* Compute and store error */</span>
289 <a name="l00372"></a>00372 d = (<a class="code" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715" title="32-bit floating-point type definition.">float32_t</a>) (*pRef++);
290 <a name="l00373"></a>00373 e = d - sum;
291 <a name="l00374"></a>00374 *pErr++ = e;
292 <a name="l00375"></a>00375
293 <a name="l00376"></a>00376 <span class="comment">/* Weighting factor for the LMS version */</span>
294 <a name="l00377"></a>00377 w = e * mu;
295 <a name="l00378"></a>00378
296 <a name="l00379"></a>00379 <span class="comment">/* Initialize pState pointer */</span>
297 <a name="l00380"></a>00380 px = pState;
298 <a name="l00381"></a>00381
299 <a name="l00382"></a>00382 <span class="comment">/* Initialize pCoeffs pointer */</span>
300 <a name="l00383"></a>00383 pb = pCoeffs;
301 <a name="l00384"></a>00384
302 <a name="l00385"></a>00385 <span class="comment">/* Loop over numTaps number of values */</span>
303 <a name="l00386"></a>00386 tapCnt = numTaps;
304 <a name="l00387"></a>00387
305 <a name="l00388"></a>00388 <span class="keywordflow">while</span>(tapCnt > 0u)
306 <a name="l00389"></a>00389 {
307 <a name="l00390"></a>00390 <span class="comment">/* Perform the multiply-accumulate */</span>
308 <a name="l00391"></a>00391 *pb = *pb + (w * (*px++));
309 <a name="l00392"></a>00392 pb++;
310 <a name="l00393"></a>00393
311 <a name="l00394"></a>00394 <span class="comment">/* Decrement the loop counter */</span>
312 <a name="l00395"></a>00395 tapCnt--;
313 <a name="l00396"></a>00396 }
314 <a name="l00397"></a>00397
315 <a name="l00398"></a>00398 <span class="comment">/* Advance state pointer by 1 for the next sample */</span>
316 <a name="l00399"></a>00399 pState = pState + 1;
317 <a name="l00400"></a>00400
318 <a name="l00401"></a>00401 <span class="comment">/* Decrement the loop counter */</span>
319 <a name="l00402"></a>00402 blkCnt--;
320 <a name="l00403"></a>00403 }
321 <a name="l00404"></a>00404
322 <a name="l00405"></a>00405
323 <a name="l00406"></a>00406 <span class="comment">/* Processing is complete. Now copy the last numTaps - 1 samples to the </span>
324 <a name="l00407"></a>00407 <span class="comment"> * start of the state buffer. This prepares the state buffer for the </span>
325 <a name="l00408"></a>00408 <span class="comment"> * next function call. */</span>
326 <a name="l00409"></a>00409
327 <a name="l00410"></a>00410 <span class="comment">/* Points to the start of the pState buffer */</span>
328 <a name="l00411"></a>00411 pStateCurnt = S-><a class="code" href="structarm__lms__instance__f32.html#aaf94285be2f99b5b9af40bea8dcb14b9">pState</a>;
329 <a name="l00412"></a>00412
330 <a name="l00413"></a>00413 <span class="comment">/* Copy (numTaps - 1u) samples */</span>
331 <a name="l00414"></a>00414 tapCnt = (numTaps - 1u);
332 <a name="l00415"></a>00415
333 <a name="l00416"></a>00416 <span class="comment">/* Copy the data */</span>
334 <a name="l00417"></a>00417 <span class="keywordflow">while</span>(tapCnt > 0u)
335 <a name="l00418"></a>00418 {
336 <a name="l00419"></a>00419 *pStateCurnt++ = *pState++;
337 <a name="l00420"></a>00420
338 <a name="l00421"></a>00421 <span class="comment">/* Decrement the loop counter */</span>
339 <a name="l00422"></a>00422 tapCnt--;
340 <a name="l00423"></a>00423 }
341 <a name="l00424"></a>00424
342 <a name="l00425"></a>00425 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
343 <a name="l00426"></a>00426
344 <a name="l00427"></a>00427 }
345 <a name="l00428"></a>00428
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