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annotate libs/vorbis/lookup_data.h @ 2:334d17aed7de

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author John Tsiombikas <nuclear@member.fsf.org>
date Sun, 02 Feb 2014 18:36:38 +0200
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nuclear@0 1 /********************************************************************
nuclear@0 2 * *
nuclear@0 3 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
nuclear@0 4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
nuclear@0 5 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
nuclear@0 6 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
nuclear@0 7 * *
nuclear@0 8 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
nuclear@0 9 * by the Xiph.Org Foundation http://www.xiph.org/ *
nuclear@0 10 * *
nuclear@0 11 ********************************************************************
nuclear@0 12
nuclear@0 13 function: lookup data; generated by lookups.pl; edit there
nuclear@0 14 last mod: $Id: lookup_data.h 16037 2009-05-26 21:10:58Z xiphmont $
nuclear@0 15
nuclear@0 16 ********************************************************************/
nuclear@0 17
nuclear@0 18 #ifndef _V_LOOKUP_DATA_H_
nuclear@0 19
nuclear@0 20 #ifdef FLOAT_LOOKUP
nuclear@0 21 #define COS_LOOKUP_SZ 128
nuclear@0 22 static const float COS_LOOKUP[COS_LOOKUP_SZ+1]={
nuclear@0 23 +1.0000000000000f,+0.9996988186962f,+0.9987954562052f,+0.9972904566787f,
nuclear@0 24 +0.9951847266722f,+0.9924795345987f,+0.9891765099648f,+0.9852776423889f,
nuclear@0 25 +0.9807852804032f,+0.9757021300385f,+0.9700312531945f,+0.9637760657954f,
nuclear@0 26 +0.9569403357322f,+0.9495281805930f,+0.9415440651830f,+0.9329927988347f,
nuclear@0 27 +0.9238795325113f,+0.9142097557035f,+0.9039892931234f,+0.8932243011955f,
nuclear@0 28 +0.8819212643484f,+0.8700869911087f,+0.8577286100003f,+0.8448535652497f,
nuclear@0 29 +0.8314696123025f,+0.8175848131516f,+0.8032075314806f,+0.7883464276266f,
nuclear@0 30 +0.7730104533627f,+0.7572088465065f,+0.7409511253550f,+0.7242470829515f,
nuclear@0 31 +0.7071067811865f,+0.6895405447371f,+0.6715589548470f,+0.6531728429538f,
nuclear@0 32 +0.6343932841636f,+0.6152315905806f,+0.5956993044924f,+0.5758081914178f,
nuclear@0 33 +0.5555702330196f,+0.5349976198871f,+0.5141027441932f,+0.4928981922298f,
nuclear@0 34 +0.4713967368260f,+0.4496113296546f,+0.4275550934303f,+0.4052413140050f,
nuclear@0 35 +0.3826834323651f,+0.3598950365350f,+0.3368898533922f,+0.3136817403989f,
nuclear@0 36 +0.2902846772545f,+0.2667127574749f,+0.2429801799033f,+0.2191012401569f,
nuclear@0 37 +0.1950903220161f,+0.1709618887603f,+0.1467304744554f,+0.1224106751992f,
nuclear@0 38 +0.0980171403296f,+0.0735645635997f,+0.0490676743274f,+0.0245412285229f,
nuclear@0 39 +0.0000000000000f,-0.0245412285229f,-0.0490676743274f,-0.0735645635997f,
nuclear@0 40 -0.0980171403296f,-0.1224106751992f,-0.1467304744554f,-0.1709618887603f,
nuclear@0 41 -0.1950903220161f,-0.2191012401569f,-0.2429801799033f,-0.2667127574749f,
nuclear@0 42 -0.2902846772545f,-0.3136817403989f,-0.3368898533922f,-0.3598950365350f,
nuclear@0 43 -0.3826834323651f,-0.4052413140050f,-0.4275550934303f,-0.4496113296546f,
nuclear@0 44 -0.4713967368260f,-0.4928981922298f,-0.5141027441932f,-0.5349976198871f,
nuclear@0 45 -0.5555702330196f,-0.5758081914178f,-0.5956993044924f,-0.6152315905806f,
nuclear@0 46 -0.6343932841636f,-0.6531728429538f,-0.6715589548470f,-0.6895405447371f,
nuclear@0 47 -0.7071067811865f,-0.7242470829515f,-0.7409511253550f,-0.7572088465065f,
nuclear@0 48 -0.7730104533627f,-0.7883464276266f,-0.8032075314806f,-0.8175848131516f,
nuclear@0 49 -0.8314696123025f,-0.8448535652497f,-0.8577286100003f,-0.8700869911087f,
nuclear@0 50 -0.8819212643484f,-0.8932243011955f,-0.9039892931234f,-0.9142097557035f,
nuclear@0 51 -0.9238795325113f,-0.9329927988347f,-0.9415440651830f,-0.9495281805930f,
nuclear@0 52 -0.9569403357322f,-0.9637760657954f,-0.9700312531945f,-0.9757021300385f,
nuclear@0 53 -0.9807852804032f,-0.9852776423889f,-0.9891765099648f,-0.9924795345987f,
nuclear@0 54 -0.9951847266722f,-0.9972904566787f,-0.9987954562052f,-0.9996988186962f,
nuclear@0 55 -1.0000000000000f,
nuclear@0 56 };
nuclear@0 57
nuclear@0 58 #define INVSQ_LOOKUP_SZ 32
nuclear@0 59 static const float INVSQ_LOOKUP[INVSQ_LOOKUP_SZ+1]={
nuclear@0 60 1.414213562373f,1.392621247646f,1.371988681140f,1.352246807566f,
nuclear@0 61 1.333333333333f,1.315191898443f,1.297771369046f,1.281025230441f,
nuclear@0 62 1.264911064067f,1.249390095109f,1.234426799697f,1.219988562661f,
nuclear@0 63 1.206045378311f,1.192569588000f,1.179535649239f,1.166919931983f,
nuclear@0 64 1.154700538379f,1.142857142857f,1.131370849898f,1.120224067222f,
nuclear@0 65 1.109400392450f,1.098884511590f,1.088662107904f,1.078719779941f,
nuclear@0 66 1.069044967650f,1.059625885652f,1.050451462878f,1.041511287847f,
nuclear@0 67 1.032795558989f,1.024295039463f,1.016001016002f,1.007905261358f,
nuclear@0 68 1.000000000000f,
nuclear@0 69 };
nuclear@0 70
nuclear@0 71 #define INVSQ2EXP_LOOKUP_MIN (-32)
nuclear@0 72 #define INVSQ2EXP_LOOKUP_MAX 32
nuclear@0 73 static const float INVSQ2EXP_LOOKUP[INVSQ2EXP_LOOKUP_MAX-\
nuclear@0 74 INVSQ2EXP_LOOKUP_MIN+1]={
nuclear@0 75 65536.f, 46340.95001f, 32768.f, 23170.47501f,
nuclear@0 76 16384.f, 11585.2375f, 8192.f, 5792.618751f,
nuclear@0 77 4096.f, 2896.309376f, 2048.f, 1448.154688f,
nuclear@0 78 1024.f, 724.0773439f, 512.f, 362.038672f,
nuclear@0 79 256.f, 181.019336f, 128.f, 90.50966799f,
nuclear@0 80 64.f, 45.254834f, 32.f, 22.627417f,
nuclear@0 81 16.f, 11.3137085f, 8.f, 5.656854249f,
nuclear@0 82 4.f, 2.828427125f, 2.f, 1.414213562f,
nuclear@0 83 1.f, 0.7071067812f, 0.5f, 0.3535533906f,
nuclear@0 84 0.25f, 0.1767766953f, 0.125f, 0.08838834765f,
nuclear@0 85 0.0625f, 0.04419417382f, 0.03125f, 0.02209708691f,
nuclear@0 86 0.015625f, 0.01104854346f, 0.0078125f, 0.005524271728f,
nuclear@0 87 0.00390625f, 0.002762135864f, 0.001953125f, 0.001381067932f,
nuclear@0 88 0.0009765625f, 0.000690533966f, 0.00048828125f, 0.000345266983f,
nuclear@0 89 0.000244140625f,0.0001726334915f,0.0001220703125f,8.631674575e-05f,
nuclear@0 90 6.103515625e-05f,4.315837288e-05f,3.051757812e-05f,2.157918644e-05f,
nuclear@0 91 1.525878906e-05f,
nuclear@0 92 };
nuclear@0 93
nuclear@0 94 #endif
nuclear@0 95
nuclear@0 96 #define FROMdB_LOOKUP_SZ 35
nuclear@0 97 #define FROMdB2_LOOKUP_SZ 32
nuclear@0 98 #define FROMdB_SHIFT 5
nuclear@0 99 #define FROMdB2_SHIFT 3
nuclear@0 100 #define FROMdB2_MASK 31
nuclear@0 101
nuclear@0 102 #ifdef FLOAT_LOOKUP
nuclear@0 103 static const float FROMdB_LOOKUP[FROMdB_LOOKUP_SZ]={
nuclear@0 104 1.f, 0.6309573445f, 0.3981071706f, 0.2511886432f,
nuclear@0 105 0.1584893192f, 0.1f, 0.06309573445f, 0.03981071706f,
nuclear@0 106 0.02511886432f, 0.01584893192f, 0.01f, 0.006309573445f,
nuclear@0 107 0.003981071706f, 0.002511886432f, 0.001584893192f, 0.001f,
nuclear@0 108 0.0006309573445f,0.0003981071706f,0.0002511886432f,0.0001584893192f,
nuclear@0 109 0.0001f,6.309573445e-05f,3.981071706e-05f,2.511886432e-05f,
nuclear@0 110 1.584893192e-05f, 1e-05f,6.309573445e-06f,3.981071706e-06f,
nuclear@0 111 2.511886432e-06f,1.584893192e-06f, 1e-06f,6.309573445e-07f,
nuclear@0 112 3.981071706e-07f,2.511886432e-07f,1.584893192e-07f,
nuclear@0 113 };
nuclear@0 114
nuclear@0 115 static const float FROMdB2_LOOKUP[FROMdB2_LOOKUP_SZ]={
nuclear@0 116 0.9928302478f, 0.9786445908f, 0.9646616199f, 0.9508784391f,
nuclear@0 117 0.9372921937f, 0.92390007f, 0.9106992942f, 0.8976871324f,
nuclear@0 118 0.8848608897f, 0.8722179097f, 0.8597555737f, 0.8474713009f,
nuclear@0 119 0.835362547f, 0.8234268041f, 0.8116616003f, 0.8000644989f,
nuclear@0 120 0.7886330981f, 0.7773650302f, 0.7662579617f, 0.755309592f,
nuclear@0 121 0.7445176537f, 0.7338799116f, 0.7233941627f, 0.7130582353f,
nuclear@0 122 0.7028699885f, 0.6928273125f, 0.6829281272f, 0.6731703824f,
nuclear@0 123 0.6635520573f, 0.6540711597f, 0.6447257262f, 0.6355138211f,
nuclear@0 124 };
nuclear@0 125 #endif
nuclear@0 126
nuclear@0 127 #ifdef INT_LOOKUP
nuclear@0 128
nuclear@0 129 #define INVSQ_LOOKUP_I_SHIFT 10
nuclear@0 130 #define INVSQ_LOOKUP_I_MASK 1023
nuclear@0 131 static const long INVSQ_LOOKUP_I[64+1]={
nuclear@0 132 92682l, 91966l, 91267l, 90583l,
nuclear@0 133 89915l, 89261l, 88621l, 87995l,
nuclear@0 134 87381l, 86781l, 86192l, 85616l,
nuclear@0 135 85051l, 84497l, 83953l, 83420l,
nuclear@0 136 82897l, 82384l, 81880l, 81385l,
nuclear@0 137 80899l, 80422l, 79953l, 79492l,
nuclear@0 138 79039l, 78594l, 78156l, 77726l,
nuclear@0 139 77302l, 76885l, 76475l, 76072l,
nuclear@0 140 75674l, 75283l, 74898l, 74519l,
nuclear@0 141 74146l, 73778l, 73415l, 73058l,
nuclear@0 142 72706l, 72359l, 72016l, 71679l,
nuclear@0 143 71347l, 71019l, 70695l, 70376l,
nuclear@0 144 70061l, 69750l, 69444l, 69141l,
nuclear@0 145 68842l, 68548l, 68256l, 67969l,
nuclear@0 146 67685l, 67405l, 67128l, 66855l,
nuclear@0 147 66585l, 66318l, 66054l, 65794l,
nuclear@0 148 65536l,
nuclear@0 149 };
nuclear@0 150
nuclear@0 151 #define COS_LOOKUP_I_SHIFT 9
nuclear@0 152 #define COS_LOOKUP_I_MASK 511
nuclear@0 153 #define COS_LOOKUP_I_SZ 128
nuclear@0 154 static const long COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={
nuclear@0 155 16384l, 16379l, 16364l, 16340l,
nuclear@0 156 16305l, 16261l, 16207l, 16143l,
nuclear@0 157 16069l, 15986l, 15893l, 15791l,
nuclear@0 158 15679l, 15557l, 15426l, 15286l,
nuclear@0 159 15137l, 14978l, 14811l, 14635l,
nuclear@0 160 14449l, 14256l, 14053l, 13842l,
nuclear@0 161 13623l, 13395l, 13160l, 12916l,
nuclear@0 162 12665l, 12406l, 12140l, 11866l,
nuclear@0 163 11585l, 11297l, 11003l, 10702l,
nuclear@0 164 10394l, 10080l, 9760l, 9434l,
nuclear@0 165 9102l, 8765l, 8423l, 8076l,
nuclear@0 166 7723l, 7366l, 7005l, 6639l,
nuclear@0 167 6270l, 5897l, 5520l, 5139l,
nuclear@0 168 4756l, 4370l, 3981l, 3590l,
nuclear@0 169 3196l, 2801l, 2404l, 2006l,
nuclear@0 170 1606l, 1205l, 804l, 402l,
nuclear@0 171 0l, -401l, -803l, -1204l,
nuclear@0 172 -1605l, -2005l, -2403l, -2800l,
nuclear@0 173 -3195l, -3589l, -3980l, -4369l,
nuclear@0 174 -4755l, -5138l, -5519l, -5896l,
nuclear@0 175 -6269l, -6638l, -7004l, -7365l,
nuclear@0 176 -7722l, -8075l, -8422l, -8764l,
nuclear@0 177 -9101l, -9433l, -9759l, -10079l,
nuclear@0 178 -10393l, -10701l, -11002l, -11296l,
nuclear@0 179 -11584l, -11865l, -12139l, -12405l,
nuclear@0 180 -12664l, -12915l, -13159l, -13394l,
nuclear@0 181 -13622l, -13841l, -14052l, -14255l,
nuclear@0 182 -14448l, -14634l, -14810l, -14977l,
nuclear@0 183 -15136l, -15285l, -15425l, -15556l,
nuclear@0 184 -15678l, -15790l, -15892l, -15985l,
nuclear@0 185 -16068l, -16142l, -16206l, -16260l,
nuclear@0 186 -16304l, -16339l, -16363l, -16378l,
nuclear@0 187 -16383l,
nuclear@0 188 };
nuclear@0 189
nuclear@0 190 #endif
nuclear@0 191
nuclear@0 192 #endif