2014-02-10 09:10:30 +08:00
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/********************************************************************
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* *
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* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
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* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
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* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
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* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
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* *
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* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
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2021-11-19 21:08:06 +08:00
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* by the Xiph.Org Foundation https://xiph.org/ *
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2014-02-10 09:10:30 +08:00
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* *
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********************************************************************
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function: lookup data; generated by lookups.pl; edit there
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********************************************************************/
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#ifndef _V_LOOKUP_DATA_H_
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#ifdef FLOAT_LOOKUP
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#define COS_LOOKUP_SZ 128
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static const float COS_LOOKUP[COS_LOOKUP_SZ+1]={
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+1.0000000000000f,+0.9996988186962f,+0.9987954562052f,+0.9972904566787f,
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+0.9951847266722f,+0.9924795345987f,+0.9891765099648f,+0.9852776423889f,
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+0.9807852804032f,+0.9757021300385f,+0.9700312531945f,+0.9637760657954f,
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+0.9569403357322f,+0.9495281805930f,+0.9415440651830f,+0.9329927988347f,
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+0.9238795325113f,+0.9142097557035f,+0.9039892931234f,+0.8932243011955f,
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+0.8819212643484f,+0.8700869911087f,+0.8577286100003f,+0.8448535652497f,
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+0.8314696123025f,+0.8175848131516f,+0.8032075314806f,+0.7883464276266f,
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+0.7730104533627f,+0.7572088465065f,+0.7409511253550f,+0.7242470829515f,
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+0.7071067811865f,+0.6895405447371f,+0.6715589548470f,+0.6531728429538f,
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+0.6343932841636f,+0.6152315905806f,+0.5956993044924f,+0.5758081914178f,
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+0.5555702330196f,+0.5349976198871f,+0.5141027441932f,+0.4928981922298f,
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+0.4713967368260f,+0.4496113296546f,+0.4275550934303f,+0.4052413140050f,
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+0.3826834323651f,+0.3598950365350f,+0.3368898533922f,+0.3136817403989f,
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+0.2902846772545f,+0.2667127574749f,+0.2429801799033f,+0.2191012401569f,
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+0.1950903220161f,+0.1709618887603f,+0.1467304744554f,+0.1224106751992f,
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+0.0980171403296f,+0.0735645635997f,+0.0490676743274f,+0.0245412285229f,
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+0.0000000000000f,-0.0245412285229f,-0.0490676743274f,-0.0735645635997f,
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-0.0980171403296f,-0.1224106751992f,-0.1467304744554f,-0.1709618887603f,
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-0.1950903220161f,-0.2191012401569f,-0.2429801799033f,-0.2667127574749f,
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-0.2902846772545f,-0.3136817403989f,-0.3368898533922f,-0.3598950365350f,
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-0.3826834323651f,-0.4052413140050f,-0.4275550934303f,-0.4496113296546f,
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-0.4713967368260f,-0.4928981922298f,-0.5141027441932f,-0.5349976198871f,
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-0.5555702330196f,-0.5758081914178f,-0.5956993044924f,-0.6152315905806f,
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-0.6343932841636f,-0.6531728429538f,-0.6715589548470f,-0.6895405447371f,
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-0.7071067811865f,-0.7242470829515f,-0.7409511253550f,-0.7572088465065f,
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-0.7730104533627f,-0.7883464276266f,-0.8032075314806f,-0.8175848131516f,
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-0.8314696123025f,-0.8448535652497f,-0.8577286100003f,-0.8700869911087f,
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-0.8819212643484f,-0.8932243011955f,-0.9039892931234f,-0.9142097557035f,
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-0.9238795325113f,-0.9329927988347f,-0.9415440651830f,-0.9495281805930f,
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-0.9569403357322f,-0.9637760657954f,-0.9700312531945f,-0.9757021300385f,
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-0.9807852804032f,-0.9852776423889f,-0.9891765099648f,-0.9924795345987f,
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-0.9951847266722f,-0.9972904566787f,-0.9987954562052f,-0.9996988186962f,
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-1.0000000000000f,
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};
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#define INVSQ_LOOKUP_SZ 32
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static const float INVSQ_LOOKUP[INVSQ_LOOKUP_SZ+1]={
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1.414213562373f,1.392621247646f,1.371988681140f,1.352246807566f,
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1.333333333333f,1.315191898443f,1.297771369046f,1.281025230441f,
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1.264911064067f,1.249390095109f,1.234426799697f,1.219988562661f,
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1.206045378311f,1.192569588000f,1.179535649239f,1.166919931983f,
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1.154700538379f,1.142857142857f,1.131370849898f,1.120224067222f,
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1.109400392450f,1.098884511590f,1.088662107904f,1.078719779941f,
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1.069044967650f,1.059625885652f,1.050451462878f,1.041511287847f,
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1.032795558989f,1.024295039463f,1.016001016002f,1.007905261358f,
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1.000000000000f,
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};
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#define INVSQ2EXP_LOOKUP_MIN (-32)
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#define INVSQ2EXP_LOOKUP_MAX 32
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static const float INVSQ2EXP_LOOKUP[INVSQ2EXP_LOOKUP_MAX-\
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INVSQ2EXP_LOOKUP_MIN+1]={
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65536.f, 46340.95001f, 32768.f, 23170.47501f,
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16384.f, 11585.2375f, 8192.f, 5792.618751f,
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4096.f, 2896.309376f, 2048.f, 1448.154688f,
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1024.f, 724.0773439f, 512.f, 362.038672f,
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256.f, 181.019336f, 128.f, 90.50966799f,
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64.f, 45.254834f, 32.f, 22.627417f,
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16.f, 11.3137085f, 8.f, 5.656854249f,
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4.f, 2.828427125f, 2.f, 1.414213562f,
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1.f, 0.7071067812f, 0.5f, 0.3535533906f,
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0.25f, 0.1767766953f, 0.125f, 0.08838834765f,
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0.0625f, 0.04419417382f, 0.03125f, 0.02209708691f,
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0.015625f, 0.01104854346f, 0.0078125f, 0.005524271728f,
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0.00390625f, 0.002762135864f, 0.001953125f, 0.001381067932f,
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0.0009765625f, 0.000690533966f, 0.00048828125f, 0.000345266983f,
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0.000244140625f,0.0001726334915f,0.0001220703125f,8.631674575e-05f,
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6.103515625e-05f,4.315837288e-05f,3.051757812e-05f,2.157918644e-05f,
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1.525878906e-05f,
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};
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#endif
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#define FROMdB_LOOKUP_SZ 35
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#define FROMdB2_LOOKUP_SZ 32
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#define FROMdB_SHIFT 5
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#define FROMdB2_SHIFT 3
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#define FROMdB2_MASK 31
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#ifdef FLOAT_LOOKUP
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static const float FROMdB_LOOKUP[FROMdB_LOOKUP_SZ]={
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1.f, 0.6309573445f, 0.3981071706f, 0.2511886432f,
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0.1584893192f, 0.1f, 0.06309573445f, 0.03981071706f,
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0.02511886432f, 0.01584893192f, 0.01f, 0.006309573445f,
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0.003981071706f, 0.002511886432f, 0.001584893192f, 0.001f,
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0.0006309573445f,0.0003981071706f,0.0002511886432f,0.0001584893192f,
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0.0001f,6.309573445e-05f,3.981071706e-05f,2.511886432e-05f,
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1.584893192e-05f, 1e-05f,6.309573445e-06f,3.981071706e-06f,
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2.511886432e-06f,1.584893192e-06f, 1e-06f,6.309573445e-07f,
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3.981071706e-07f,2.511886432e-07f,1.584893192e-07f,
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};
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static const float FROMdB2_LOOKUP[FROMdB2_LOOKUP_SZ]={
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0.9928302478f, 0.9786445908f, 0.9646616199f, 0.9508784391f,
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0.9372921937f, 0.92390007f, 0.9106992942f, 0.8976871324f,
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0.8848608897f, 0.8722179097f, 0.8597555737f, 0.8474713009f,
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0.835362547f, 0.8234268041f, 0.8116616003f, 0.8000644989f,
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0.7886330981f, 0.7773650302f, 0.7662579617f, 0.755309592f,
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0.7445176537f, 0.7338799116f, 0.7233941627f, 0.7130582353f,
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0.7028699885f, 0.6928273125f, 0.6829281272f, 0.6731703824f,
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0.6635520573f, 0.6540711597f, 0.6447257262f, 0.6355138211f,
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};
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#endif
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#ifdef INT_LOOKUP
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#define INVSQ_LOOKUP_I_SHIFT 10
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#define INVSQ_LOOKUP_I_MASK 1023
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static const long INVSQ_LOOKUP_I[64+1]={
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92682l, 91966l, 91267l, 90583l,
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89915l, 89261l, 88621l, 87995l,
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87381l, 86781l, 86192l, 85616l,
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85051l, 84497l, 83953l, 83420l,
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82897l, 82384l, 81880l, 81385l,
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80899l, 80422l, 79953l, 79492l,
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79039l, 78594l, 78156l, 77726l,
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77302l, 76885l, 76475l, 76072l,
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75674l, 75283l, 74898l, 74519l,
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74146l, 73778l, 73415l, 73058l,
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72706l, 72359l, 72016l, 71679l,
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71347l, 71019l, 70695l, 70376l,
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70061l, 69750l, 69444l, 69141l,
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68842l, 68548l, 68256l, 67969l,
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67685l, 67405l, 67128l, 66855l,
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66585l, 66318l, 66054l, 65794l,
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65536l,
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};
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#define COS_LOOKUP_I_SHIFT 9
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#define COS_LOOKUP_I_MASK 511
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#define COS_LOOKUP_I_SZ 128
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static const long COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={
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16384l, 16379l, 16364l, 16340l,
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16305l, 16261l, 16207l, 16143l,
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16069l, 15986l, 15893l, 15791l,
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15679l, 15557l, 15426l, 15286l,
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15137l, 14978l, 14811l, 14635l,
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14449l, 14256l, 14053l, 13842l,
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13623l, 13395l, 13160l, 12916l,
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12665l, 12406l, 12140l, 11866l,
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11585l, 11297l, 11003l, 10702l,
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10394l, 10080l, 9760l, 9434l,
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9102l, 8765l, 8423l, 8076l,
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7723l, 7366l, 7005l, 6639l,
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6270l, 5897l, 5520l, 5139l,
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4756l, 4370l, 3981l, 3590l,
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3196l, 2801l, 2404l, 2006l,
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1606l, 1205l, 804l, 402l,
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0l, -401l, -803l, -1204l,
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-1605l, -2005l, -2403l, -2800l,
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-3195l, -3589l, -3980l, -4369l,
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-4755l, -5138l, -5519l, -5896l,
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-6269l, -6638l, -7004l, -7365l,
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-7722l, -8075l, -8422l, -8764l,
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-9101l, -9433l, -9759l, -10079l,
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-10393l, -10701l, -11002l, -11296l,
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-11584l, -11865l, -12139l, -12405l,
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-12664l, -12915l, -13159l, -13394l,
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-13622l, -13841l, -14052l, -14255l,
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-14448l, -14634l, -14810l, -14977l,
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-15136l, -15285l, -15425l, -15556l,
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-15678l, -15790l, -15892l, -15985l,
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-16068l, -16142l, -16206l, -16260l,
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-16304l, -16339l, -16363l, -16378l,
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-16383l,
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};
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#endif
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#endif
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