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<h1>arm_sin_cos_q31.c</h1> </div>
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<a href="arm__sin__cos__q31_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>
<a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved. </span>
<a name="l00003"></a>00003 <span class="comment">* </span>
<a name="l00004"></a>00004 <span class="comment">* $Date: 15. July 2011 </span>
<a name="l00005"></a>00005 <span class="comment">* $Revision: V1.0.10 </span>
<a name="l00006"></a>00006 <span class="comment">* </span>
<a name="l00007"></a>00007 <span class="comment">* Project: CMSIS DSP Library </span>
<a name="l00008"></a>00008 <span class="comment">* Title: arm_sin_cos_q31.c </span>
<a name="l00009"></a>00009 <span class="comment">* </span>
<a name="l00010"></a>00010 <span class="comment">* Description: Cosine &amp; Sine calculation for Q31 values. </span>
<a name="l00011"></a>00011 <span class="comment">* </span>
<a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
<a name="l00013"></a>00013 <span class="comment">* </span>
<a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
<a name="l00015"></a>00015 <span class="comment">* Big Endian support added and Merged M0 and M3/M4 Source code. </span>
<a name="l00016"></a>00016 <span class="comment">* </span>
<a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29 </span>
<a name="l00018"></a>00018 <span class="comment">* Re-organized the CMSIS folders and updated documentation. </span>
<a name="l00019"></a>00019 <span class="comment">* </span>
<a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11 </span>
<a name="l00021"></a>00021 <span class="comment">* Documentation updated. </span>
<a name="l00022"></a>00022 <span class="comment">* </span>
<a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05 </span>
<a name="l00024"></a>00024 <span class="comment">* Production release and review comments incorporated. </span>
<a name="l00025"></a>00025 <span class="comment">* </span>
<a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20 </span>
<a name="l00027"></a>00027 <span class="comment">* Production release and review comments incorporated. </span>
<a name="l00028"></a>00028 <span class="comment">* -------------------------------------------------------------------- */</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#include &quot;<a class="code" href="arm__math_8h.html">arm_math.h</a>&quot;</span>
<a name="l00031"></a>00031
<a name="l00051"></a><a class="code" href="group___sin_cos.html#ga77c2ec4c8f210d254ef0fbeea0bdf067">00051</a> <span class="keyword">static</span> <span class="keyword">const</span> int32_t <a class="code" href="group___sin_cos.html#ga77c2ec4c8f210d254ef0fbeea0bdf067">sinTableQ31</a>[360] = {
<a name="l00052"></a>00052
<a name="l00053"></a>00053 0x0, 0xfdc41e9b, 0xfb8869ce, 0xf94d0e2e, 0xf7123849, 0xf4d814a4, 0xf29ecfb2,
<a name="l00054"></a>00054 0xf06695da,
<a name="l00055"></a>00055 0xee2f9369, 0xebf9f498, 0xe9c5e582, 0xe7939223, 0xe5632654, 0xe334cdc9,
<a name="l00056"></a>00056 0xe108b40d, 0xdedf047d,
<a name="l00057"></a>00057 0xdcb7ea46, 0xda939061, 0xd8722192, 0xd653c860, 0xd438af17, 0xd220ffc0,
<a name="l00058"></a>00058 0xd00ce422, 0xcdfc85bb,
<a name="l00059"></a>00059 0xcbf00dbe, 0xc9e7a512, 0xc7e3744b, 0xc5e3a3a9, 0xc3e85b18, 0xc1f1c224,
<a name="l00060"></a>00060 0xc0000000, 0xbe133b7c,
<a name="l00061"></a>00061 0xbc2b9b05, 0xba4944a2, 0xb86c5df0, 0xb6950c1e, 0xb4c373ee, 0xb2f7b9af,
<a name="l00062"></a>00062 0xb1320139, 0xaf726def,
<a name="l00063"></a>00063 0xadb922b7, 0xac0641fb, 0xaa59eda4, 0xa8b4471a, 0xa7156f3c, 0xa57d8666,
<a name="l00064"></a>00064 0xa3ecac65, 0xa263007d,
<a name="l00065"></a>00065 0xa0e0a15f, 0x9f65ad2d, 0x9df24175, 0x9c867b2c, 0x9b2276b0, 0x99c64fc5,
<a name="l00066"></a>00066 0x98722192, 0x9726069c,
<a name="l00067"></a>00067 0x95e218c9, 0x94a6715d, 0x937328f5, 0x92485786, 0x9126145f, 0x900c7621,
<a name="l00068"></a>00068 0x8efb92c2, 0x8df37f8b,
<a name="l00069"></a>00069 0x8cf45113, 0x8bfe1b3f, 0x8b10f144, 0x8a2ce59f, 0x89520a1a, 0x88806fc4,
<a name="l00070"></a>00070 0x87b826f7, 0x86f93f50,
<a name="l00071"></a>00071 0x8643c7b3, 0x8597ce46, 0x84f56073, 0x845c8ae3, 0x83cd5982, 0x8347d77b,
<a name="l00072"></a>00072 0x82cc0f36, 0x825a0a5b,
<a name="l00073"></a>00073 0x81f1d1ce, 0x81936daf, 0x813ee55b, 0x80f43f69, 0x80b381ac, 0x807cb130,
<a name="l00074"></a>00074 0x804fd23a, 0x802ce84c,
<a name="l00075"></a>00075 0x8013f61d, 0x8004fda0, 0x80000000, 0x8004fda0, 0x8013f61d, 0x802ce84c,
<a name="l00076"></a>00076 0x804fd23a, 0x807cb130,
<a name="l00077"></a>00077 0x80b381ac, 0x80f43f69, 0x813ee55b, 0x81936daf, 0x81f1d1ce, 0x825a0a5b,
<a name="l00078"></a>00078 0x82cc0f36, 0x8347d77b,
<a name="l00079"></a>00079 0x83cd5982, 0x845c8ae3, 0x84f56073, 0x8597ce46, 0x8643c7b3, 0x86f93f50,
<a name="l00080"></a>00080 0x87b826f7, 0x88806fc4,
<a name="l00081"></a>00081 0x89520a1a, 0x8a2ce59f, 0x8b10f144, 0x8bfe1b3f, 0x8cf45113, 0x8df37f8b,
<a name="l00082"></a>00082 0x8efb92c2, 0x900c7621,
<a name="l00083"></a>00083 0x9126145f, 0x92485786, 0x937328f5, 0x94a6715d, 0x95e218c9, 0x9726069c,
<a name="l00084"></a>00084 0x98722192, 0x99c64fc5,
<a name="l00085"></a>00085 0x9b2276b0, 0x9c867b2c, 0x9df24175, 0x9f65ad2d, 0xa0e0a15f, 0xa263007d,
<a name="l00086"></a>00086 0xa3ecac65, 0xa57d8666,
<a name="l00087"></a>00087 0xa7156f3c, 0xa8b4471a, 0xaa59eda4, 0xac0641fb, 0xadb922b7, 0xaf726def,
<a name="l00088"></a>00088 0xb1320139, 0xb2f7b9af,
<a name="l00089"></a>00089 0xb4c373ee, 0xb6950c1e, 0xb86c5df0, 0xba4944a2, 0xbc2b9b05, 0xbe133b7c,
<a name="l00090"></a>00090 0xc0000000, 0xc1f1c224,
<a name="l00091"></a>00091 0xc3e85b18, 0xc5e3a3a9, 0xc7e3744b, 0xc9e7a512, 0xcbf00dbe, 0xcdfc85bb,
<a name="l00092"></a>00092 0xd00ce422, 0xd220ffc0,
<a name="l00093"></a>00093 0xd438af17, 0xd653c860, 0xd8722192, 0xda939061, 0xdcb7ea46, 0xdedf047d,
<a name="l00094"></a>00094 0xe108b40d, 0xe334cdc9,
<a name="l00095"></a>00095 0xe5632654, 0xe7939223, 0xe9c5e582, 0xebf9f498, 0xee2f9369, 0xf06695da,
<a name="l00096"></a>00096 0xf29ecfb2, 0xf4d814a4,
<a name="l00097"></a>00097 0xf7123849, 0xf94d0e2e, 0xfb8869ce, 0xfdc41e9b, 0x0, 0x23be165, 0x4779632,
<a name="l00098"></a>00098 0x6b2f1d2,
<a name="l00099"></a>00099 0x8edc7b7, 0xb27eb5c, 0xd61304e, 0xf996a26, 0x11d06c97, 0x14060b68,
<a name="l00100"></a>00100 0x163a1a7e, 0x186c6ddd,
<a name="l00101"></a>00101 0x1a9cd9ac, 0x1ccb3237, 0x1ef74bf3, 0x2120fb83, 0x234815ba, 0x256c6f9f,
<a name="l00102"></a>00102 0x278dde6e, 0x29ac37a0,
<a name="l00103"></a>00103 0x2bc750e9, 0x2ddf0040, 0x2ff31bde, 0x32037a45, 0x340ff242, 0x36185aee,
<a name="l00104"></a>00104 0x381c8bb5, 0x3a1c5c57,
<a name="l00105"></a>00105 0x3c17a4e8, 0x3e0e3ddc, 0x40000000, 0x41ecc484, 0x43d464fb, 0x45b6bb5e,
<a name="l00106"></a>00106 0x4793a210, 0x496af3e2,
<a name="l00107"></a>00107 0x4b3c8c12, 0x4d084651, 0x4ecdfec7, 0x508d9211, 0x5246dd49, 0x53f9be05,
<a name="l00108"></a>00108 0x55a6125c, 0x574bb8e6,
<a name="l00109"></a>00109 0x58ea90c4, 0x5a82799a, 0x5c13539b, 0x5d9cff83, 0x5f1f5ea1, 0x609a52d3,
<a name="l00110"></a>00110 0x620dbe8b, 0x637984d4,
<a name="l00111"></a>00111 0x64dd8950, 0x6639b03b, 0x678dde6e, 0x68d9f964, 0x6a1de737, 0x6b598ea3,
<a name="l00112"></a>00112 0x6c8cd70b, 0x6db7a87a,
<a name="l00113"></a>00113 0x6ed9eba1, 0x6ff389df, 0x71046d3e, 0x720c8075, 0x730baeed, 0x7401e4c1,
<a name="l00114"></a>00114 0x74ef0ebc, 0x75d31a61,
<a name="l00115"></a>00115 0x76adf5e6, 0x777f903c, 0x7847d909, 0x7906c0b0, 0x79bc384d, 0x7a6831ba,
<a name="l00116"></a>00116 0x7b0a9f8d, 0x7ba3751d,
<a name="l00117"></a>00117 0x7c32a67e, 0x7cb82885, 0x7d33f0ca, 0x7da5f5a5, 0x7e0e2e32, 0x7e6c9251,
<a name="l00118"></a>00118 0x7ec11aa5, 0x7f0bc097,
<a name="l00119"></a>00119 0x7f4c7e54, 0x7f834ed0, 0x7fb02dc6, 0x7fd317b4, 0x7fec09e3, 0x7ffb0260,
<a name="l00120"></a>00120 0x7fffffff, 0x7ffb0260,
<a name="l00121"></a>00121 0x7fec09e3, 0x7fd317b4, 0x7fb02dc6, 0x7f834ed0, 0x7f4c7e54, 0x7f0bc097,
<a name="l00122"></a>00122 0x7ec11aa5, 0x7e6c9251,
<a name="l00123"></a>00123 0x7e0e2e32, 0x7da5f5a5, 0x7d33f0ca, 0x7cb82885, 0x7c32a67e, 0x7ba3751d,
<a name="l00124"></a>00124 0x7b0a9f8d, 0x7a6831ba,
<a name="l00125"></a>00125 0x79bc384d, 0x7906c0b0, 0x7847d909, 0x777f903c, 0x76adf5e6, 0x75d31a61,
<a name="l00126"></a>00126 0x74ef0ebc, 0x7401e4c1,
<a name="l00127"></a>00127 0x730baeed, 0x720c8075, 0x71046d3e, 0x6ff389df, 0x6ed9eba1, 0x6db7a87a,
<a name="l00128"></a>00128 0x6c8cd70b, 0x6b598ea3,
<a name="l00129"></a>00129 0x6a1de737, 0x68d9f964, 0x678dde6e, 0x6639b03b, 0x64dd8950, 0x637984d4,
<a name="l00130"></a>00130 0x620dbe8b, 0x609a52d3,
<a name="l00131"></a>00131 0x5f1f5ea1, 0x5d9cff83, 0x5c13539b, 0x5a82799a, 0x58ea90c4, 0x574bb8e6,
<a name="l00132"></a>00132 0x55a6125c, 0x53f9be05,
<a name="l00133"></a>00133 0x5246dd49, 0x508d9211, 0x4ecdfec7, 0x4d084651, 0x4b3c8c12, 0x496af3e2,
<a name="l00134"></a>00134 0x4793a210, 0x45b6bb5e,
<a name="l00135"></a>00135 0x43d464fb, 0x41ecc484, 0x40000000, 0x3e0e3ddc, 0x3c17a4e8, 0x3a1c5c57,
<a name="l00136"></a>00136 0x381c8bb5, 0x36185aee,
<a name="l00137"></a>00137 0x340ff242, 0x32037a45, 0x2ff31bde, 0x2ddf0040, 0x2bc750e9, 0x29ac37a0,
<a name="l00138"></a>00138 0x278dde6e, 0x256c6f9f,
<a name="l00139"></a>00139 0x234815ba, 0x2120fb83, 0x1ef74bf3, 0x1ccb3237, 0x1a9cd9ac, 0x186c6ddd,
<a name="l00140"></a>00140 0x163a1a7e, 0x14060b68,
<a name="l00141"></a>00141 0x11d06c97, 0xf996a26, 0xd61304e, 0xb27eb5c, 0x8edc7b7, 0x6b2f1d2,
<a name="l00142"></a>00142 0x4779632, 0x23be165,
<a name="l00143"></a>00143
<a name="l00144"></a>00144
<a name="l00145"></a>00145 };
<a name="l00146"></a>00146
<a name="l00157"></a><a class="code" href="group___sin_cos.html#gab3ca1fd1431d146c6bde7d39dd7e903d">00157</a> <span class="keyword">static</span> <span class="keyword">const</span> int32_t <a class="code" href="group___sin_cos.html#gab3ca1fd1431d146c6bde7d39dd7e903d">cosTableQ31</a>[360] = {
<a name="l00158"></a>00158 0x80000000, 0x8004fda0, 0x8013f61d, 0x802ce84c, 0x804fd23a, 0x807cb130,
<a name="l00159"></a>00159 0x80b381ac, 0x80f43f69,
<a name="l00160"></a>00160 0x813ee55b, 0x81936daf, 0x81f1d1ce, 0x825a0a5b, 0x82cc0f36, 0x8347d77b,
<a name="l00161"></a>00161 0x83cd5982, 0x845c8ae3,
<a name="l00162"></a>00162 0x84f56073, 0x8597ce46, 0x8643c7b3, 0x86f93f50, 0x87b826f7, 0x88806fc4,
<a name="l00163"></a>00163 0x89520a1a, 0x8a2ce59f,
<a name="l00164"></a>00164 0x8b10f144, 0x8bfe1b3f, 0x8cf45113, 0x8df37f8b, 0x8efb92c2, 0x900c7621,
<a name="l00165"></a>00165 0x9126145f, 0x92485786,
<a name="l00166"></a>00166 0x937328f5, 0x94a6715d, 0x95e218c9, 0x9726069c, 0x98722192, 0x99c64fc5,
<a name="l00167"></a>00167 0x9b2276b0, 0x9c867b2c,
<a name="l00168"></a>00168 0x9df24175, 0x9f65ad2d, 0xa0e0a15f, 0xa263007d, 0xa3ecac65, 0xa57d8666,
<a name="l00169"></a>00169 0xa7156f3c, 0xa8b4471a,
<a name="l00170"></a>00170 0xaa59eda4, 0xac0641fb, 0xadb922b7, 0xaf726def, 0xb1320139, 0xb2f7b9af,
<a name="l00171"></a>00171 0xb4c373ee, 0xb6950c1e,
<a name="l00172"></a>00172 0xb86c5df0, 0xba4944a2, 0xbc2b9b05, 0xbe133b7c, 0xc0000000, 0xc1f1c224,
<a name="l00173"></a>00173 0xc3e85b18, 0xc5e3a3a9,
<a name="l00174"></a>00174 0xc7e3744b, 0xc9e7a512, 0xcbf00dbe, 0xcdfc85bb, 0xd00ce422, 0xd220ffc0,
<a name="l00175"></a>00175 0xd438af17, 0xd653c860,
<a name="l00176"></a>00176 0xd8722192, 0xda939061, 0xdcb7ea46, 0xdedf047d, 0xe108b40d, 0xe334cdc9,
<a name="l00177"></a>00177 0xe5632654, 0xe7939223,
<a name="l00178"></a>00178 0xe9c5e582, 0xebf9f498, 0xee2f9369, 0xf06695da, 0xf29ecfb2, 0xf4d814a4,
<a name="l00179"></a>00179 0xf7123849, 0xf94d0e2e,
<a name="l00180"></a>00180 0xfb8869ce, 0xfdc41e9b, 0x0, 0x23be165, 0x4779632, 0x6b2f1d2, 0x8edc7b7,
<a name="l00181"></a>00181 0xb27eb5c,
<a name="l00182"></a>00182 0xd61304e, 0xf996a26, 0x11d06c97, 0x14060b68, 0x163a1a7e, 0x186c6ddd,
<a name="l00183"></a>00183 0x1a9cd9ac, 0x1ccb3237,
<a name="l00184"></a>00184 0x1ef74bf3, 0x2120fb83, 0x234815ba, 0x256c6f9f, 0x278dde6e, 0x29ac37a0,
<a name="l00185"></a>00185 0x2bc750e9, 0x2ddf0040,
<a name="l00186"></a>00186 0x2ff31bde, 0x32037a45, 0x340ff242, 0x36185aee, 0x381c8bb5, 0x3a1c5c57,
<a name="l00187"></a>00187 0x3c17a4e8, 0x3e0e3ddc,
<a name="l00188"></a>00188 0x40000000, 0x41ecc484, 0x43d464fb, 0x45b6bb5e, 0x4793a210, 0x496af3e2,
<a name="l00189"></a>00189 0x4b3c8c12, 0x4d084651,
<a name="l00190"></a>00190 0x4ecdfec7, 0x508d9211, 0x5246dd49, 0x53f9be05, 0x55a6125c, 0x574bb8e6,
<a name="l00191"></a>00191 0x58ea90c4, 0x5a82799a,
<a name="l00192"></a>00192 0x5c13539b, 0x5d9cff83, 0x5f1f5ea1, 0x609a52d3, 0x620dbe8b, 0x637984d4,
<a name="l00193"></a>00193 0x64dd8950, 0x6639b03b,
<a name="l00194"></a>00194 0x678dde6e, 0x68d9f964, 0x6a1de737, 0x6b598ea3, 0x6c8cd70b, 0x6db7a87a,
<a name="l00195"></a>00195 0x6ed9eba1, 0x6ff389df,
<a name="l00196"></a>00196 0x71046d3e, 0x720c8075, 0x730baeed, 0x7401e4c1, 0x74ef0ebc, 0x75d31a61,
<a name="l00197"></a>00197 0x76adf5e6, 0x777f903c,
<a name="l00198"></a>00198 0x7847d909, 0x7906c0b0, 0x79bc384d, 0x7a6831ba, 0x7b0a9f8d, 0x7ba3751d,
<a name="l00199"></a>00199 0x7c32a67e, 0x7cb82885,
<a name="l00200"></a>00200 0x7d33f0ca, 0x7da5f5a5, 0x7e0e2e32, 0x7e6c9251, 0x7ec11aa5, 0x7f0bc097,
<a name="l00201"></a>00201 0x7f4c7e54, 0x7f834ed0,
<a name="l00202"></a>00202 0x7fb02dc6, 0x7fd317b4, 0x7fec09e3, 0x7ffb0260, 0x7fffffff, 0x7ffb0260,
<a name="l00203"></a>00203 0x7fec09e3, 0x7fd317b4,
<a name="l00204"></a>00204 0x7fb02dc6, 0x7f834ed0, 0x7f4c7e54, 0x7f0bc097, 0x7ec11aa5, 0x7e6c9251,
<a name="l00205"></a>00205 0x7e0e2e32, 0x7da5f5a5,
<a name="l00206"></a>00206 0x7d33f0ca, 0x7cb82885, 0x7c32a67e, 0x7ba3751d, 0x7b0a9f8d, 0x7a6831ba,
<a name="l00207"></a>00207 0x79bc384d, 0x7906c0b0,
<a name="l00208"></a>00208 0x7847d909, 0x777f903c, 0x76adf5e6, 0x75d31a61, 0x74ef0ebc, 0x7401e4c1,
<a name="l00209"></a>00209 0x730baeed, 0x720c8075,
<a name="l00210"></a>00210 0x71046d3e, 0x6ff389df, 0x6ed9eba1, 0x6db7a87a, 0x6c8cd70b, 0x6b598ea3,
<a name="l00211"></a>00211 0x6a1de737, 0x68d9f964,
<a name="l00212"></a>00212 0x678dde6e, 0x6639b03b, 0x64dd8950, 0x637984d4, 0x620dbe8b, 0x609a52d3,
<a name="l00213"></a>00213 0x5f1f5ea1, 0x5d9cff83,
<a name="l00214"></a>00214 0x5c13539b, 0x5a82799a, 0x58ea90c4, 0x574bb8e6, 0x55a6125c, 0x53f9be05,
<a name="l00215"></a>00215 0x5246dd49, 0x508d9211,
<a name="l00216"></a>00216 0x4ecdfec7, 0x4d084651, 0x4b3c8c12, 0x496af3e2, 0x4793a210, 0x45b6bb5e,
<a name="l00217"></a>00217 0x43d464fb, 0x41ecc484,
<a name="l00218"></a>00218 0x40000000, 0x3e0e3ddc, 0x3c17a4e8, 0x3a1c5c57, 0x381c8bb5, 0x36185aee,
<a name="l00219"></a>00219 0x340ff242, 0x32037a45,
<a name="l00220"></a>00220 0x2ff31bde, 0x2ddf0040, 0x2bc750e9, 0x29ac37a0, 0x278dde6e, 0x256c6f9f,
<a name="l00221"></a>00221 0x234815ba, 0x2120fb83,
<a name="l00222"></a>00222 0x1ef74bf3, 0x1ccb3237, 0x1a9cd9ac, 0x186c6ddd, 0x163a1a7e, 0x14060b68,
<a name="l00223"></a>00223 0x11d06c97, 0xf996a26,
<a name="l00224"></a>00224 0xd61304e, 0xb27eb5c, 0x8edc7b7, 0x6b2f1d2, 0x4779632, 0x23be165, 0x0,
<a name="l00225"></a>00225 0xfdc41e9b,
<a name="l00226"></a>00226 0xfb8869ce, 0xf94d0e2e, 0xf7123849, 0xf4d814a4, 0xf29ecfb2, 0xf06695da,
<a name="l00227"></a>00227 0xee2f9369, 0xebf9f498,
<a name="l00228"></a>00228 0xe9c5e582, 0xe7939223, 0xe5632654, 0xe334cdc9, 0xe108b40d, 0xdedf047d,
<a name="l00229"></a>00229 0xdcb7ea46, 0xda939061,
<a name="l00230"></a>00230 0xd8722192, 0xd653c860, 0xd438af17, 0xd220ffc0, 0xd00ce422, 0xcdfc85bb,
<a name="l00231"></a>00231 0xcbf00dbe, 0xc9e7a512,
<a name="l00232"></a>00232 0xc7e3744b, 0xc5e3a3a9, 0xc3e85b18, 0xc1f1c224, 0xc0000000, 0xbe133b7c,
<a name="l00233"></a>00233 0xbc2b9b05, 0xba4944a2,
<a name="l00234"></a>00234 0xb86c5df0, 0xb6950c1e, 0xb4c373ee, 0xb2f7b9af, 0xb1320139, 0xaf726def,
<a name="l00235"></a>00235 0xadb922b7, 0xac0641fb,
<a name="l00236"></a>00236 0xaa59eda4, 0xa8b4471a, 0xa7156f3c, 0xa57d8666, 0xa3ecac65, 0xa263007d,
<a name="l00237"></a>00237 0xa0e0a15f, 0x9f65ad2d,
<a name="l00238"></a>00238 0x9df24175, 0x9c867b2c, 0x9b2276b0, 0x99c64fc5, 0x98722192, 0x9726069c,
<a name="l00239"></a>00239 0x95e218c9, 0x94a6715d,
<a name="l00240"></a>00240 0x937328f5, 0x92485786, 0x9126145f, 0x900c7621, 0x8efb92c2, 0x8df37f8b,
<a name="l00241"></a>00241 0x8cf45113, 0x8bfe1b3f,
<a name="l00242"></a>00242 0x8b10f144, 0x8a2ce59f, 0x89520a1a, 0x88806fc4, 0x87b826f7, 0x86f93f50,
<a name="l00243"></a>00243 0x8643c7b3, 0x8597ce46,
<a name="l00244"></a>00244 0x84f56073, 0x845c8ae3, 0x83cd5982, 0x8347d77b, 0x82cc0f36, 0x825a0a5b,
<a name="l00245"></a>00245 0x81f1d1ce, 0x81936daf,
<a name="l00246"></a>00246 0x813ee55b, 0x80f43f69, 0x80b381ac, 0x807cb130, 0x804fd23a, 0x802ce84c,
<a name="l00247"></a>00247 0x8013f61d, 0x8004fda0,
<a name="l00248"></a>00248
<a name="l00249"></a>00249 };
<a name="l00250"></a>00250
<a name="l00251"></a>00251
<a name="l00264"></a><a class="code" href="group___sin_cos.html#gae9e4ddebff9d4eb5d0a093e28e0bc504">00264</a> <span class="keywordtype">void</span> <a class="code" href="group___sin_cos.html#gae9e4ddebff9d4eb5d0a093e28e0bc504" title="Q31 sin_cos function.">arm_sin_cos_q31</a>(
<a name="l00265"></a>00265 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> theta,
<a name="l00266"></a>00266 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pSinVal,
<a name="l00267"></a>00267 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> * pCosVal)
<a name="l00268"></a>00268 {
<a name="l00269"></a>00269 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> x0; <span class="comment">/* Nearest input value */</span>
<a name="l00270"></a>00270 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> y0, y1; <span class="comment">/* Nearest output values */</span>
<a name="l00271"></a>00271 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> xSpacing = <a class="code" href="arm__math_8h.html#a1339e9abc11a3870e0c04f822a62166a" title="Macros required for SINE and COSINE Controller functions.">INPUT_SPACING</a>; <span class="comment">/* Spaing between inputs */</span>
<a name="l00272"></a>00272 uint32_t i; <span class="comment">/* Index */</span>
<a name="l00273"></a>00273 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> oneByXSpacing; <span class="comment">/* 1/ xSpacing value */</span>
<a name="l00274"></a>00274 <a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a> out; <span class="comment">/* temporary variable */</span>
<a name="l00275"></a>00275 uint32_t sign_bits; <span class="comment">/* No.of sign bits */</span>
<a name="l00276"></a>00276 uint32_t firstX = 0x80000000; <span class="comment">/* First X value */</span>
<a name="l00277"></a>00277
<a name="l00278"></a>00278 <span class="comment">/* Calculation of index */</span>
<a name="l00279"></a>00279 i = ((uint32_t) theta - firstX) / (uint32_t) xSpacing;
<a name="l00280"></a>00280
<a name="l00281"></a>00281 <span class="comment">/* Calculation of first nearest input value */</span>
<a name="l00282"></a>00282 x0 = (<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) firstX + ((<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) i * xSpacing);
<a name="l00283"></a>00283
<a name="l00284"></a>00284 <span class="comment">/* Reading nearest sine output values from table */</span>
<a name="l00285"></a>00285 y0 = <a class="code" href="group___sin_cos.html#ga77c2ec4c8f210d254ef0fbeea0bdf067">sinTableQ31</a>[i];
<a name="l00286"></a>00286 y1 = <a class="code" href="group___sin_cos.html#ga77c2ec4c8f210d254ef0fbeea0bdf067">sinTableQ31</a>[i + 1u];
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <span class="comment">/* Calculation of 1/(x1-x0) */</span>
<a name="l00289"></a>00289 <span class="comment">/* (x1-x0) is xSpacing which is fixed value */</span>
<a name="l00290"></a>00290 sign_bits = 8u;
<a name="l00291"></a>00291 oneByXSpacing = 0x5A000000;
<a name="l00292"></a>00292
<a name="l00293"></a>00293 <span class="comment">/* Calculation of (theta - x0)/(x1-x0) */</span>
<a name="l00294"></a>00294 out =
<a name="l00295"></a>00295 (((<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) (theta - x0) * oneByXSpacing) &gt;&gt; 32)) &lt;&lt; sign_bits);
<a name="l00296"></a>00296
<a name="l00297"></a>00297 <span class="comment">/* Calculation of y0 + (y1 - y0) * ((theta - x0)/(x1-x0)) */</span>
<a name="l00298"></a>00298 *pSinVal = y0 + ((<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) (y1 - y0) * out) &gt;&gt; 30));
<a name="l00299"></a>00299
<a name="l00300"></a>00300 <span class="comment">/* Reading nearest cosine output values from table */</span>
<a name="l00301"></a>00301 y0 = <a class="code" href="group___sin_cos.html#gab3ca1fd1431d146c6bde7d39dd7e903d">cosTableQ31</a>[i];
<a name="l00302"></a>00302 y1 = <a class="code" href="group___sin_cos.html#gab3ca1fd1431d146c6bde7d39dd7e903d">cosTableQ31</a>[i + 1u];
<a name="l00303"></a>00303
<a name="l00304"></a>00304 <span class="comment">/* Calculation of y0 + (y1 - y0) * ((theta - x0)/(x1-x0)) */</span>
<a name="l00305"></a>00305 *pCosVal = y0 + ((<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>) (((<a class="code" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6" title="64-bit fractional data type in 1.63 format.">q63_t</a>) (y1 - y0) * out) &gt;&gt; 30));
<a name="l00306"></a>00306
<a name="l00307"></a>00307 }
<a name="l00308"></a>00308
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