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  50 <h1>arm_mat_trans_q15.c</h1>  </div>
  51 </div>
  52 <div class="contents">
  53 <a href="arm__mat__trans__q15_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_mat_trans_q15.c   </span>
  61 <a name="l00009"></a>00009 <span class="comment">*   </span>
  62 <a name="l00010"></a>00010 <span class="comment">* Description:  Q15 matrix transpose.   </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 0.0.5  2010/04/26    </span>
  82 <a name="l00030"></a>00030 <span class="comment">*    incorporated review comments and updated with latest CMSIS layer   </span>
  83 <a name="l00031"></a>00031 <span class="comment">*   </span>
  84 <a name="l00032"></a>00032 <span class="comment">* Version 0.0.3  2010/03/10    </span>
  85 <a name="l00033"></a>00033 <span class="comment">*    Initial version   </span>
  86 <a name="l00034"></a>00034 <span class="comment">* -------------------------------------------------------------------- */</span>
  87 <a name="l00035"></a>00035
  88 <a name="l00036"></a>00036 <span class="preprocessor">#include &quot;<a class="code" href="arm__math_8h.html">arm_math.h</a>&quot;</span>
  89 <a name="l00037"></a>00037
  90 <a name="l00047"></a>00047 <span class="comment">/*   </span>
  91 <a name="l00048"></a>00048 <span class="comment"> * @brief Q15 matrix transpose.   </span>
  92 <a name="l00049"></a>00049 <span class="comment"> * @param[in]  *pSrc points to the input matrix   </span>
  93 <a name="l00050"></a>00050 <span class="comment"> * @param[out] *pDst points to the output matrix   </span>
  94 <a name="l00051"></a>00051 <span class="comment"> * @return  The function returns either  &lt;code&gt;ARM_MATH_SIZE_MISMATCH&lt;/code&gt;   </span>
  95 <a name="l00052"></a>00052 <span class="comment"> * or &lt;code&gt;ARM_MATH_SUCCESS&lt;/code&gt; based on the outcome of size checking.   </span>
  96 <a name="l00053"></a>00053 <span class="comment"> */</span>
  97 <a name="l00054"></a>00054
  98 <a name="l00055"></a><a class="code" href="group___matrix_trans.html#ga4f4f821cc695fd0ef9061d702e08050a">00055</a> <a class="code" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6" title="Error status returned by some functions in the library.">arm_status</a> <a class="code" href="group___matrix_trans.html#ga4f4f821cc695fd0ef9061d702e08050a" title="Q15 matrix transpose.">arm_mat_trans_q15</a>(
  99 <a name="l00056"></a>00056   <span class="keyword">const</span> <a class="code" href="structarm__matrix__instance__q15.html" title="Instance structure for the Q15 matrix structure.">arm_matrix_instance_q15</a> * pSrc,
 100 <a name="l00057"></a>00057   <a class="code" href="structarm__matrix__instance__q15.html" title="Instance structure for the Q15 matrix structure.">arm_matrix_instance_q15</a> * pDst)
 101 <a name="l00058"></a>00058 {
 102 <a name="l00059"></a>00059   <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *pSrcA = pSrc-&gt;<a class="code" href="structarm__matrix__instance__q15.html#a6da33a5553e634787d0f515cf8d724af">pData</a>;                    <span class="comment">/* input data matrix pointer */</span>
 103 <a name="l00060"></a>00060   <a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a> *pOut = pDst-&gt;<a class="code" href="structarm__matrix__instance__q15.html#a6da33a5553e634787d0f515cf8d724af">pData</a>;                     <span class="comment">/* output data matrix pointer */</span>
 104 <a name="l00061"></a>00061   uint16_t nRows = pSrc-&gt;<a class="code" href="structarm__matrix__instance__q15.html#a9bac6ed54be287c4d4f01a1a28be65f5">numRows</a>;                <span class="comment">/* number of nRows */</span>
 105 <a name="l00062"></a>00062   uint16_t nColumns = pSrc-&gt;<a class="code" href="structarm__matrix__instance__q15.html#acbbce67ba058d8e1c867c71d57288c97">numCols</a>;             <span class="comment">/* number of nColumns */</span>
 106 <a name="l00063"></a>00063   uint16_t col, row = nRows, i = 0u;             <span class="comment">/* row and column loop counters */</span>
 107 <a name="l00064"></a>00064   <a class="code" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6" title="Error status returned by some functions in the library.">arm_status</a> <a class="code" href="arm__dotproduct__example__f32_8c.html#a88ccb294236ab22b00310c47164c53c3">status</a>;                             <span class="comment">/* status of matrix transpose */</span>
 108 <a name="l00065"></a>00065
 109 <a name="l00066"></a>00066 <span class="preprocessor">#ifndef ARM_MATH_CM0</span>
 110 <a name="l00067"></a>00067 <span class="preprocessor"></span>
 111 <a name="l00068"></a>00068   <span class="comment">/* Run the below code for Cortex-M4 and Cortex-M3 */</span>
 112 <a name="l00069"></a>00069
 113 <a name="l00070"></a>00070   <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> in;                                      <span class="comment">/* variable to hold temporary output  */</span>
 114 <a name="l00071"></a>00071
 115 <a name="l00072"></a>00072
 116 <a name="l00073"></a>00073 <span class="preprocessor">#ifdef ARM_MATH_MATRIX_CHECK</span>
 117 <a name="l00074"></a>00074 <span class="preprocessor"></span>
 118 <a name="l00075"></a>00075
 119 <a name="l00076"></a>00076   <span class="comment">/* Check for matrix mismatch condition */</span>
 120 <a name="l00077"></a>00077   <span class="keywordflow">if</span>((pSrc-&gt;<a class="code" href="structarm__matrix__instance__q15.html#a9bac6ed54be287c4d4f01a1a28be65f5">numRows</a> != pDst-&gt;<a class="code" href="structarm__matrix__instance__q15.html#acbbce67ba058d8e1c867c71d57288c97">numCols</a>) || (pSrc-&gt;<a class="code" href="structarm__matrix__instance__q15.html#acbbce67ba058d8e1c867c71d57288c97">numCols</a> != pDst-&gt;<a class="code" href="structarm__matrix__instance__q15.html#a9bac6ed54be287c4d4f01a1a28be65f5">numRows</a>))
 121 <a name="l00078"></a>00078   {
 122 <a name="l00079"></a>00079     <span class="comment">/* Set status as ARM_MATH_SIZE_MISMATCH */</span>
 123 <a name="l00080"></a>00080     status = <a class="code" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a7071b92f1f6bc3c5c312a237ea91105b">ARM_MATH_SIZE_MISMATCH</a>;
 124 <a name="l00081"></a>00081   }
 125 <a name="l00082"></a>00082   <span class="keywordflow">else</span>
 126 <a name="l00083"></a>00083 <span class="preprocessor">#endif </span><span class="comment">/*      #ifdef ARM_MATH_MATRIX_CHECK    */</span>
 127 <a name="l00084"></a>00084
 128 <a name="l00085"></a>00085   {
 129 <a name="l00086"></a>00086     <span class="comment">/* Matrix transpose by exchanging the rows with columns */</span>
 130 <a name="l00087"></a>00087     <span class="comment">/* row loop     */</span>
 131 <a name="l00088"></a>00088     <span class="keywordflow">do</span>
 132 <a name="l00089"></a>00089     {
 133 <a name="l00090"></a>00090       <span class="comment">/* Apply loop unrolling and exchange the columns with row elements */</span>
 134 <a name="l00091"></a>00091       col = nColumns &gt;&gt; 2u;
 135 <a name="l00092"></a>00092
 136 <a name="l00093"></a>00093       <span class="comment">/* The pointer pOut is set to starting address of the column being processed */</span>
 137 <a name="l00094"></a>00094       pOut = pDst-&gt;<a class="code" href="structarm__matrix__instance__q15.html#a6da33a5553e634787d0f515cf8d724af">pData</a> + i;
 138 <a name="l00095"></a>00095
 139 <a name="l00096"></a>00096       <span class="comment">/* First part of the processing with loop unrolling.  Compute 4 outputs at a time.   </span>
 140 <a name="l00097"></a>00097 <span class="comment">       ** a second loop below computes the remaining 1 to 3 samples. */</span>
 141 <a name="l00098"></a>00098       <span class="keywordflow">while</span>(col &gt; 0u)
 142 <a name="l00099"></a>00099       {
 143 <a name="l00100"></a>00100         <span class="comment">/* Read two elements from the row */</span>
 144 <a name="l00101"></a>00101         in = *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pSrcA)++;
 145 <a name="l00102"></a>00102
 146 <a name="l00103"></a>00103         <span class="comment">/* Unpack and store one element in the destination */</span>
 147 <a name="l00104"></a>00104 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
 148 <a name="l00105"></a>00105 <span class="preprocessor"></span>
 149 <a name="l00106"></a>00106         *pOut = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) in;
 150 <a name="l00107"></a>00107
 151 <a name="l00108"></a>00108 <span class="preprocessor">#else</span>
 152 <a name="l00109"></a>00109 <span class="preprocessor"></span>
 153 <a name="l00110"></a>00110         *pOut = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) ((in &amp; (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) 0xffff0000) &gt;&gt; 16);
 154 <a name="l00111"></a>00111
 155 <a name="l00112"></a>00112 <span class="preprocessor">#endif </span><span class="comment">/*    #ifndef ARM_MATH_BIG_ENDIAN    */</span>
 156 <a name="l00113"></a>00113
 157 <a name="l00114"></a>00114         <span class="comment">/* Update the pointer pOut to point to the next row of the transposed matrix */</span>
 158 <a name="l00115"></a>00115         pOut += nRows;
 159 <a name="l00116"></a>00116
 160 <a name="l00117"></a>00117         <span class="comment">/* Unpack and store the second element in the destination */</span>
 161 <a name="l00118"></a>00118
 162 <a name="l00119"></a>00119 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
 163 <a name="l00120"></a>00120 <span class="preprocessor"></span>
 164 <a name="l00121"></a>00121         *pOut = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) ((in &amp; (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) 0xffff0000) &gt;&gt; 16);
 165 <a name="l00122"></a>00122
 166 <a name="l00123"></a>00123 <span class="preprocessor">#else</span>
 167 <a name="l00124"></a>00124 <span class="preprocessor"></span>
 168 <a name="l00125"></a>00125         *pOut = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) in;
 169 <a name="l00126"></a>00126
 170 <a name="l00127"></a>00127 <span class="preprocessor">#endif </span><span class="comment">/*    #ifndef ARM_MATH_BIG_ENDIAN    */</span>
 171 <a name="l00128"></a>00128
 172 <a name="l00129"></a>00129         <span class="comment">/* Update the pointer pOut to point to the next row of the transposed matrix */</span>
 173 <a name="l00130"></a>00130         pOut += nRows;
 174 <a name="l00131"></a>00131
 175 <a name="l00132"></a>00132         <span class="comment">/* Read two elements from the row */</span>
 176 <a name="l00133"></a>00133 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
 177 <a name="l00134"></a>00134 <span class="preprocessor"></span>
 178 <a name="l00135"></a>00135         in = *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pSrcA)++;
 179 <a name="l00136"></a>00136
 180 <a name="l00137"></a>00137 <span class="preprocessor">#else</span>
 181 <a name="l00138"></a>00138 <span class="preprocessor"></span>
 182 <a name="l00139"></a>00139         in = *<a class="code" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248" title="definition to read/write two 16 bit values.">__SIMD32</a>(pSrcA)++;
 183 <a name="l00140"></a>00140
 184 <a name="l00141"></a>00141 <span class="preprocessor">#endif </span><span class="comment">/*    #ifndef ARM_MATH_BIG_ENDIAN    */</span>
 185 <a name="l00142"></a>00142
 186 <a name="l00143"></a>00143         <span class="comment">/* Unpack and store one element in the destination */</span>
 187 <a name="l00144"></a>00144 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
 188 <a name="l00145"></a>00145 <span class="preprocessor"></span>
 189 <a name="l00146"></a>00146         *pOut = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) in;
 190 <a name="l00147"></a>00147
 191 <a name="l00148"></a>00148 <span class="preprocessor">#else</span>
 192 <a name="l00149"></a>00149 <span class="preprocessor"></span>
 193 <a name="l00150"></a>00150         *pOut = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) ((in &amp; (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) 0xffff0000) &gt;&gt; 16);
 194 <a name="l00151"></a>00151
 195 <a name="l00152"></a>00152 <span class="preprocessor">#endif </span><span class="comment">/*    #ifndef ARM_MATH_BIG_ENDIAN    */</span>
 196 <a name="l00153"></a>00153
 197 <a name="l00154"></a>00154         <span class="comment">/* Update the pointer pOut to point to the next row of the transposed matrix */</span>
 198 <a name="l00155"></a>00155         pOut += nRows;
 199 <a name="l00156"></a>00156
 200 <a name="l00157"></a>00157         <span class="comment">/* Unpack and store the second element in the destination */</span>
 201 <a name="l00158"></a>00158 <span class="preprocessor">#ifndef ARM_MATH_BIG_ENDIAN</span>
 202 <a name="l00159"></a>00159 <span class="preprocessor"></span>
 203 <a name="l00160"></a>00160         *pOut = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) ((in &amp; (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) 0xffff0000) &gt;&gt; 16);
 204 <a name="l00161"></a>00161
 205 <a name="l00162"></a>00162 <span class="preprocessor">#else</span>
 206 <a name="l00163"></a>00163 <span class="preprocessor"></span>
 207 <a name="l00164"></a>00164         *pOut = (<a class="code" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea" title="16-bit fractional data type in 1.15 format.">q15_t</a>) in;
 208 <a name="l00165"></a>00165
 209 <a name="l00166"></a>00166 <span class="preprocessor">#endif </span><span class="comment">/*    #ifndef ARM_MATH_BIG_ENDIAN    */</span>
 210 <a name="l00167"></a>00167
 211 <a name="l00168"></a>00168         <span class="comment">/* Update the pointer pOut to point to the next row of the transposed matrix */</span>
 212 <a name="l00169"></a>00169         pOut += nRows;
 213 <a name="l00170"></a>00170
 214 <a name="l00171"></a>00171         <span class="comment">/* Decrement the column loop counter */</span>
 215 <a name="l00172"></a>00172         col--;
 216 <a name="l00173"></a>00173       }
 217 <a name="l00174"></a>00174
 218 <a name="l00175"></a>00175       <span class="comment">/* Perform matrix transpose for last 3 samples here. */</span>
 219 <a name="l00176"></a>00176       col = nColumns % 0x4u;
 220 <a name="l00177"></a>00177
 221 <a name="l00178"></a>00178 <span class="preprocessor">#else</span>
 222 <a name="l00179"></a>00179 <span class="preprocessor"></span>
 223 <a name="l00180"></a>00180   <span class="comment">/* Run the below code for Cortex-M0 */</span>
 224 <a name="l00181"></a>00181
 225 <a name="l00182"></a>00182 <span class="preprocessor">#ifdef ARM_MATH_MATRIX_CHECK</span>
 226 <a name="l00183"></a>00183 <span class="preprocessor"></span>
 227 <a name="l00184"></a>00184   <span class="comment">/* Check for matrix mismatch condition */</span>
 228 <a name="l00185"></a>00185   <span class="keywordflow">if</span>((pSrc-&gt;<a class="code" href="structarm__matrix__instance__q15.html#a9bac6ed54be287c4d4f01a1a28be65f5">numRows</a> != pDst-&gt;<a class="code" href="structarm__matrix__instance__q15.html#acbbce67ba058d8e1c867c71d57288c97">numCols</a>) || (pSrc-&gt;<a class="code" href="structarm__matrix__instance__q15.html#acbbce67ba058d8e1c867c71d57288c97">numCols</a> != pDst-&gt;<a class="code" href="structarm__matrix__instance__q15.html#a9bac6ed54be287c4d4f01a1a28be65f5">numRows</a>))
 229 <a name="l00186"></a>00186   {
 230 <a name="l00187"></a>00187     <span class="comment">/* Set status as ARM_MATH_SIZE_MISMATCH */</span>
 231 <a name="l00188"></a>00188     status = <a class="code" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a7071b92f1f6bc3c5c312a237ea91105b">ARM_MATH_SIZE_MISMATCH</a>;
 232 <a name="l00189"></a>00189   }
 233 <a name="l00190"></a>00190   <span class="keywordflow">else</span>
 234 <a name="l00191"></a>00191 <span class="preprocessor">#endif </span><span class="comment">/*    #ifdef ARM_MATH_MATRIX_CHECK    */</span>
 235 <a name="l00192"></a>00192
 236 <a name="l00193"></a>00193   {
 237 <a name="l00194"></a>00194     <span class="comment">/* Matrix transpose by exchanging the rows with columns */</span>
 238 <a name="l00195"></a>00195     <span class="comment">/* row loop     */</span>
 239 <a name="l00196"></a>00196     <span class="keywordflow">do</span>
 240 <a name="l00197"></a>00197     {
 241 <a name="l00198"></a>00198       <span class="comment">/* The pointer pOut is set to starting address of the column being processed */</span>
 242 <a name="l00199"></a>00199       pOut = pDst-&gt;<a class="code" href="structarm__matrix__instance__q15.html#a6da33a5553e634787d0f515cf8d724af">pData</a> + i;
 243 <a name="l00200"></a>00200
 244 <a name="l00201"></a>00201       <span class="comment">/* Initialize column loop counter */</span>
 245 <a name="l00202"></a>00202       col = nColumns;
 246 <a name="l00203"></a>00203
 247 <a name="l00204"></a>00204 <span class="preprocessor">#endif </span><span class="comment">/* #ifndef ARM_MATH_CM0 */</span>
 248 <a name="l00205"></a>00205
 249 <a name="l00206"></a>00206       <span class="keywordflow">while</span>(col &gt; 0u)
 250 <a name="l00207"></a>00207       {
 251 <a name="l00208"></a>00208         <span class="comment">/* Read and store the input element in the destination */</span>
 252 <a name="l00209"></a>00209         *pOut = *pSrcA++;
 253 <a name="l00210"></a>00210
 254 <a name="l00211"></a>00211         <span class="comment">/* Update the pointer pOut to point to the next row of the transposed matrix */</span>
 255 <a name="l00212"></a>00212         pOut += nRows;
 256 <a name="l00213"></a>00213
 257 <a name="l00214"></a>00214         <span class="comment">/* Decrement the column loop counter */</span>
 258 <a name="l00215"></a>00215         col--;
 259 <a name="l00216"></a>00216       }
 260 <a name="l00217"></a>00217
 261 <a name="l00218"></a>00218       i++;
 262 <a name="l00219"></a>00219
 263 <a name="l00220"></a>00220       <span class="comment">/* Decrement the row loop counter */</span>
 264 <a name="l00221"></a>00221       row--;
 265 <a name="l00222"></a>00222
 266 <a name="l00223"></a>00223     } <span class="keywordflow">while</span>(row &gt; 0u);
 267 <a name="l00224"></a>00224
 268 <a name="l00225"></a>00225     <span class="comment">/* set status as ARM_MATH_SUCCESS */</span>
 269 <a name="l00226"></a>00226     status = <a class="code" href="arm__math_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6a9f8b2a10bd827fb4600e77d455902eb0">ARM_MATH_SUCCESS</a>;
 270 <a name="l00227"></a>00227   }
 271 <a name="l00228"></a>00228   <span class="comment">/* Return to application */</span>
 272 <a name="l00229"></a>00229   <span class="keywordflow">return</span> (status);
 273 <a name="l00230"></a>00230 }
 274 <a name="l00231"></a>00231
 275 </pre></div></div>
 276 </div>
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