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00018 #ifndef _V_LOOKUP_DATA_H_
00019
00020 #ifdef FLOAT_LOOKUP
00021 #define COS_LOOKUP_SZ 128
00022 static float COS_LOOKUP[COS_LOOKUP_SZ+1]={
00023 +1.0000000000000f,+0.9996988186962f,+0.9987954562052f,+0.9972904566787f,
00024 +0.9951847266722f,+0.9924795345987f,+0.9891765099648f,+0.9852776423889f,
00025 +0.9807852804032f,+0.9757021300385f,+0.9700312531945f,+0.9637760657954f,
00026 +0.9569403357322f,+0.9495281805930f,+0.9415440651830f,+0.9329927988347f,
00027 +0.9238795325113f,+0.9142097557035f,+0.9039892931234f,+0.8932243011955f,
00028 +0.8819212643484f,+0.8700869911087f,+0.8577286100003f,+0.8448535652497f,
00029 +0.8314696123025f,+0.8175848131516f,+0.8032075314806f,+0.7883464276266f,
00030 +0.7730104533627f,+0.7572088465065f,+0.7409511253550f,+0.7242470829515f,
00031 +0.7071067811865f,+0.6895405447371f,+0.6715589548470f,+0.6531728429538f,
00032 +0.6343932841636f,+0.6152315905806f,+0.5956993044924f,+0.5758081914178f,
00033 +0.5555702330196f,+0.5349976198871f,+0.5141027441932f,+0.4928981922298f,
00034 +0.4713967368260f,+0.4496113296546f,+0.4275550934303f,+0.4052413140050f,
00035 +0.3826834323651f,+0.3598950365350f,+0.3368898533922f,+0.3136817403989f,
00036 +0.2902846772545f,+0.2667127574749f,+0.2429801799033f,+0.2191012401569f,
00037 +0.1950903220161f,+0.1709618887603f,+0.1467304744554f,+0.1224106751992f,
00038 +0.0980171403296f,+0.0735645635997f,+0.0490676743274f,+0.0245412285229f,
00039 +0.0000000000000f,-0.0245412285229f,-0.0490676743274f,-0.0735645635997f,
00040 -0.0980171403296f,-0.1224106751992f,-0.1467304744554f,-0.1709618887603f,
00041 -0.1950903220161f,-0.2191012401569f,-0.2429801799033f,-0.2667127574749f,
00042 -0.2902846772545f,-0.3136817403989f,-0.3368898533922f,-0.3598950365350f,
00043 -0.3826834323651f,-0.4052413140050f,-0.4275550934303f,-0.4496113296546f,
00044 -0.4713967368260f,-0.4928981922298f,-0.5141027441932f,-0.5349976198871f,
00045 -0.5555702330196f,-0.5758081914178f,-0.5956993044924f,-0.6152315905806f,
00046 -0.6343932841636f,-0.6531728429538f,-0.6715589548470f,-0.6895405447371f,
00047 -0.7071067811865f,-0.7242470829515f,-0.7409511253550f,-0.7572088465065f,
00048 -0.7730104533627f,-0.7883464276266f,-0.8032075314806f,-0.8175848131516f,
00049 -0.8314696123025f,-0.8448535652497f,-0.8577286100003f,-0.8700869911087f,
00050 -0.8819212643484f,-0.8932243011955f,-0.9039892931234f,-0.9142097557035f,
00051 -0.9238795325113f,-0.9329927988347f,-0.9415440651830f,-0.9495281805930f,
00052 -0.9569403357322f,-0.9637760657954f,-0.9700312531945f,-0.9757021300385f,
00053 -0.9807852804032f,-0.9852776423889f,-0.9891765099648f,-0.9924795345987f,
00054 -0.9951847266722f,-0.9972904566787f,-0.9987954562052f,-0.9996988186962f,
00055 -1.0000000000000f,
00056 };
00057
00058 #define INVSQ_LOOKUP_SZ 32
00059 static float INVSQ_LOOKUP[INVSQ_LOOKUP_SZ+1]={
00060 1.414213562373f,1.392621247646f,1.371988681140f,1.352246807566f,
00061 1.333333333333f,1.315191898443f,1.297771369046f,1.281025230441f,
00062 1.264911064067f,1.249390095109f,1.234426799697f,1.219988562661f,
00063 1.206045378311f,1.192569588000f,1.179535649239f,1.166919931983f,
00064 1.154700538379f,1.142857142857f,1.131370849898f,1.120224067222f,
00065 1.109400392450f,1.098884511590f,1.088662107904f,1.078719779941f,
00066 1.069044967650f,1.059625885652f,1.050451462878f,1.041511287847f,
00067 1.032795558989f,1.024295039463f,1.016001016002f,1.007905261358f,
00068 1.000000000000f,
00069 };
00070
00071 #define INVSQ2EXP_LOOKUP_MIN (-32)
00072 #define INVSQ2EXP_LOOKUP_MAX 32
00073 static float INVSQ2EXP_LOOKUP[INVSQ2EXP_LOOKUP_MAX-\
00074 INVSQ2EXP_LOOKUP_MIN+1]={
00075 65536.f, 46340.95001f, 32768.f, 23170.47501f,
00076 16384.f, 11585.2375f, 8192.f, 5792.618751f,
00077 4096.f, 2896.309376f, 2048.f, 1448.154688f,
00078 1024.f, 724.0773439f, 512.f, 362.038672f,
00079 256.f, 181.019336f, 128.f, 90.50966799f,
00080 64.f, 45.254834f, 32.f, 22.627417f,
00081 16.f, 11.3137085f, 8.f, 5.656854249f,
00082 4.f, 2.828427125f, 2.f, 1.414213562f,
00083 1.f, 0.7071067812f, 0.5f, 0.3535533906f,
00084 0.25f, 0.1767766953f, 0.125f, 0.08838834765f,
00085 0.0625f, 0.04419417382f, 0.03125f, 0.02209708691f,
00086 0.015625f, 0.01104854346f, 0.0078125f, 0.005524271728f,
00087 0.00390625f, 0.002762135864f, 0.001953125f, 0.001381067932f,
00088 0.0009765625f, 0.000690533966f, 0.00048828125f, 0.000345266983f,
00089 0.000244140625f,0.0001726334915f,0.0001220703125f,8.631674575e-05f,
00090 6.103515625e-05f,4.315837288e-05f,3.051757812e-05f,2.157918644e-05f,
00091 1.525878906e-05f,
00092 };
00093
00094 #endif
00095
00096 #define FROMdB_LOOKUP_SZ 35
00097 #define FROMdB2_LOOKUP_SZ 32
00098 #define FROMdB_SHIFT 5
00099 #define FROMdB2_SHIFT 3
00100 #define FROMdB2_MASK 31
00101 static float FROMdB_LOOKUP[FROMdB_LOOKUP_SZ]={
00102 1.f, 0.6309573445f, 0.3981071706f, 0.2511886432f,
00103 0.1584893192f, 0.1f, 0.06309573445f, 0.03981071706f,
00104 0.02511886432f, 0.01584893192f, 0.01f, 0.006309573445f,
00105 0.003981071706f, 0.002511886432f, 0.001584893192f, 0.001f,
00106 0.0006309573445f,0.0003981071706f,0.0002511886432f,0.0001584893192f,
00107 0.0001f,6.309573445e-05f,3.981071706e-05f,2.511886432e-05f,
00108 1.584893192e-05f, 1e-05f,6.309573445e-06f,3.981071706e-06f,
00109 2.511886432e-06f,1.584893192e-06f, 1e-06f,6.309573445e-07f,
00110 3.981071706e-07f,2.511886432e-07f,1.584893192e-07f,
00111 };
00112
00113 static float FROMdB2_LOOKUP[FROMdB2_LOOKUP_SZ]={
00114 0.9928302478f, 0.9786445908f, 0.9646616199f, 0.9508784391f,
00115 0.9372921937f, 0.92390007f, 0.9106992942f, 0.8976871324f,
00116 0.8848608897f, 0.8722179097f, 0.8597555737f, 0.8474713009f,
00117 0.835362547f, 0.8234268041f, 0.8116616003f, 0.8000644989f,
00118 0.7886330981f, 0.7773650302f, 0.7662579617f, 0.755309592f,
00119 0.7445176537f, 0.7338799116f, 0.7233941627f, 0.7130582353f,
00120 0.7028699885f, 0.6928273125f, 0.6829281272f, 0.6731703824f,
00121 0.6635520573f, 0.6540711597f, 0.6447257262f, 0.6355138211f,
00122 };
00123
00124 #ifdef INT_LOOKUP
00125
00126 #define INVSQ_LOOKUP_I_SHIFT 10
00127 #define INVSQ_LOOKUP_I_MASK 1023
00128 static long INVSQ_LOOKUP_I[64+1]={
00129 92682l, 91966l, 91267l, 90583l,
00130 89915l, 89261l, 88621l, 87995l,
00131 87381l, 86781l, 86192l, 85616l,
00132 85051l, 84497l, 83953l, 83420l,
00133 82897l, 82384l, 81880l, 81385l,
00134 80899l, 80422l, 79953l, 79492l,
00135 79039l, 78594l, 78156l, 77726l,
00136 77302l, 76885l, 76475l, 76072l,
00137 75674l, 75283l, 74898l, 74519l,
00138 74146l, 73778l, 73415l, 73058l,
00139 72706l, 72359l, 72016l, 71679l,
00140 71347l, 71019l, 70695l, 70376l,
00141 70061l, 69750l, 69444l, 69141l,
00142 68842l, 68548l, 68256l, 67969l,
00143 67685l, 67405l, 67128l, 66855l,
00144 66585l, 66318l, 66054l, 65794l,
00145 65536l,
00146 };
00147
00148 #define COS_LOOKUP_I_SHIFT 9
00149 #define COS_LOOKUP_I_MASK 511
00150 #define COS_LOOKUP_I_SZ 128
00151 static long COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={
00152 16384l, 16379l, 16364l, 16340l,
00153 16305l, 16261l, 16207l, 16143l,
00154 16069l, 15986l, 15893l, 15791l,
00155 15679l, 15557l, 15426l, 15286l,
00156 15137l, 14978l, 14811l, 14635l,
00157 14449l, 14256l, 14053l, 13842l,
00158 13623l, 13395l, 13160l, 12916l,
00159 12665l, 12406l, 12140l, 11866l,
00160 11585l, 11297l, 11003l, 10702l,
00161 10394l, 10080l, 9760l, 9434l,
00162 9102l, 8765l, 8423l, 8076l,
00163 7723l, 7366l, 7005l, 6639l,
00164 6270l, 5897l, 5520l, 5139l,
00165 4756l, 4370l, 3981l, 3590l,
00166 3196l, 2801l, 2404l, 2006l,
00167 1606l, 1205l, 804l, 402l,
00168 0l, -401l, -803l, -1204l,
00169 -1605l, -2005l, -2403l, -2800l,
00170 -3195l, -3589l, -3980l, -4369l,
00171 -4755l, -5138l, -5519l, -5896l,
00172 -6269l, -6638l, -7004l, -7365l,
00173 -7722l, -8075l, -8422l, -8764l,
00174 -9101l, -9433l, -9759l, -10079l,
00175 -10393l, -10701l, -11002l, -11296l,
00176 -11584l, -11865l, -12139l, -12405l,
00177 -12664l, -12915l, -13159l, -13394l,
00178 -13622l, -13841l, -14052l, -14255l,
00179 -14448l, -14634l, -14810l, -14977l,
00180 -15136l, -15285l, -15425l, -15556l,
00181 -15678l, -15790l, -15892l, -15985l,
00182 -16068l, -16142l, -16206l, -16260l,
00183 -16304l, -16339l, -16363l, -16378l,
00184 -16383l,
00185 };
00186
00187 #endif
00188
00189 #endif
