shithub: aacdec

ref: 82bc6ccd76179f01824177ed8b7ce5905ec929e2
dir: /libfaad/iq_table.h/

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/*
** FAAD - Freeware Advanced Audio Decoder
** Copyright (C) 2002 M. Bakker
**  
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
** 
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
** 
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software 
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** $Id: iq_table.h,v 1.1 2002/09/08 18:14:37 menno Exp $
**/

#ifndef IQ_TABLE_H__
#define IQ_TABLE_H__

#ifdef __cplusplus
extern "C" {
#endif

/* !!!DON'T CHANGE IQ_TABLE_SIZE!!! */
#define IQ_TABLE_SIZE  1026

#ifndef FIXED_POINT

#ifdef _MSC_VER
#pragma warning(disable:4305)
#pragma warning(disable:4244)
#endif

static real_t iq_table[] =
{
    0.0000000000,
    1.0000000000,
    2.5198420998,
    4.3267487109,
    6.3496042079,
    8.5498797334,
    10.9027235570,
    13.3905182794,
    16.0000000000,
    18.7207544075,
    21.5443469003,
    24.4637809963,
    27.4731418213,
    30.5673509404,
    33.7419916985,
    36.9931811150,
    40.3174735966,
    43.7117870412,
    47.1733450958,
    50.6996313257,
    54.2883523319,
    57.9374077040,
    61.6448652744,
    65.4089405366,
    69.2279793748,
    73.1004434553,
    77.0248977786,
    81.0000000000,
    85.0244912125,
    89.0971879449,
    93.2169751786,
    97.3828002241,
    101.5936673260,
    105.8486328899,
    110.1468012434,
    114.4873208566,
    118.8693809602,
    123.2922085109,
    127.7550654584,
    132.2572462776,
    136.7980757341,
    141.3769068557,
    145.9931190852,
    150.6461165966,
    155.3353267543,
    160.0601987021,
    164.8202020667,
    169.6148257665,
    174.4435769119,
    179.3059797911,
    184.2015749320,
    189.1299182326,
    194.0905801545,
    199.0831449737,
    204.1072100830,
    209.1623853419,
    214.2482924705,
    219.3645644828,
    224.5108451564,
    229.6867885365,
    234.8920584701,
    240.1263281692,
    245.3892798002,
    250.6806040975,
    256.0000000000,
    261.3471743083,
    266.7218413611,
    272.1237227299,
    277.5525469304,
    283.0080491495,
    288.4899709866,
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    321.9225924034,
    327.5827066139,
    333.2673771724,
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    6250.8695168361,
    6262.7279350432,
    6274.5919693627,
    6286.4616144826,
    6298.3368651034,
    6310.2177159382,
    6322.1041617124,
    6333.9961971640,
    6345.8938170431,
    6357.7970161124,
    6369.7057891466,
    6381.6201309327,
    6393.5400362700,
    6405.4654999698,
    6417.3965168555,
    6429.3330817625,
    6441.2751895383,
    6453.2228350423,
    6465.1760131457,
    6477.1347187317,
    6489.0989466952,
    6501.0686919430,
    6513.0439493936,
    6525.0247139769,
    6537.0109806350,
    6549.0027443210,
    6561.0000000000,
    6573.0027426484,
    6585.0109672541,
    6597.0246688165,
    6609.0438423464,
    6621.0684828657,
    6633.0985854079,
    6645.1341450177,
    6657.1751567510,
    6669.2216156747,
    6681.2735168671,
    6693.3308554176,
    6705.3936264265,
    6717.4618250051,
    6729.5354462759,
    6741.6144853722,
    6753.6989374383,
    6765.7887976291,
    6777.8840611107,
    6789.9847230597,
    6802.0907786636,
    6814.2022231205,
    6826.3190516394,
    6838.4412594396,
    6850.5688417513,
    6862.7017938151,
    6874.8401108821,
    6886.9837882140,
    6899.1328210829,
    6911.2872047712,
    6923.4469345719,
    6935.6120057882,
    6947.7824137335,
    6959.9581537318,
    6972.1392211169,
    6984.3256112330,
    6996.5173194347,
    7008.7143410863,
    7020.9166715624,
    7033.1243062477,
    7045.3372405367,
    7057.5554698343,
    7069.7789895548,
    7082.0077951229,
    7094.2418819728,
    7106.4812455489,
    7118.7258813051,
    7130.9757847053,
    7143.2309512230,
    7155.4913763416,
    7167.7570555538,
    7180.0279843624,
    7192.3041582795,
    7204.5855728270,
    7216.8722235361,
    7229.1641059476,
    7241.4612156120,
    7253.7635480891,
    7266.0710989478,
    7278.3838637670,
    7290.7018381344,
    7303.0250176474,
    7315.3533979125,
    7327.6869745455,
    7340.0257431713,
    7352.3696994244,
    7364.7188389480,
    7377.0731573946,
    7389.4326504259,
    7401.7973137127,
    7414.1671429346,
    7426.5421337804,
    7438.9222819480,
    7451.3075831438,
    7463.6980330837,
    7476.0936274921,
    7488.4943621024,
    7500.9002326569,
    7513.3112349065,
    7525.7273646110,
    7538.1486175390,
    7550.5749894679,
    7563.0064761834,
    7575.4430734804,
    7587.8847771619,
    7600.3315830400,
    7612.7834869349,
    7625.2404846758,
    7637.7025721001,
    7650.1697450538,
    7662.6419993914,
    7675.1193309757,
    7687.6017356782,
    7700.0892093785,
    7712.5817479647,
    7725.0793473331,
    7737.5820033885,
    7750.0897120437,
    7762.6024692201,
    7775.1202708469,
    7787.6431128620,
    7800.1709912110,
    7812.7039018478,
    7825.2418407347,
    7837.7848038416,
    7850.3327871468,
    7862.8857866366,
    7875.4437983052,
    7888.0068181548,
    7900.5748421957,
    7913.1478664460,
    7925.7258869318,
    7938.3088996870,
    7950.8969007534,
    7963.4898861807,
    7976.0878520263,
    7988.6907943555,
    8001.2987092412,
    8013.9115927643,
    8026.5294410131,
    8039.1522500838,
    8051.7800160802,
    8064.4127351138,
    8077.0504033037,
    8089.6930167764,
    8102.3405716663,
    8114.9930641151,
    8127.6504902721,
    8140.3128462940,
    8152.9801283453,
    8165.6523325976,
    8178.3294552300,
    8191.0114924292,
    8203.6984403890,
    8216.3902953107,
    8229.0870534031,
    8241.7887108821,
    8254.4952639709,
    8267.2067089000,
    8279.9230419073,
    8292.6442592376,
    8305.3703571432,
    8318.1013318835,
    8330.8371797251,
    8343.5778969415,
    8356.3234798136,
    8369.0739246292,
    8381.8292276834,
    8394.5893852780,
    8407.3543937222,
    8420.1242493321,
    8432.8989484305,
    8445.6784873475,
    8458.4628624202,
    8471.2520699922,
    8484.0461064144,
    8496.8449680444,
    8509.6486512468,
    8522.4571523928,
    8535.2704678607,
    8548.0885940353,
    8560.9115273086,
    8573.7392640788,
    8586.5718007514,
    8599.4091337382,
    8612.2512594579,
    8625.0981743359,
    8637.9498748040,
    8650.8063573010,
    8663.6676182722,
    8676.5336541692,
    8689.4044614507,
    8702.2800365815,
    8715.1603760331,
    8728.0454762838,
    8740.9353338178,
    8753.8299451264,
    8766.7293067070,
    8779.6334150636,
    8792.5422667064,
    8805.4558581523,
    8818.3741859245,
    8831.2972465524,
    8844.2250365719,
    8857.1575525253,
    8870.0947909611,
    8883.0367484340,
    8895.9834215053,
    8908.9348067421,
    8921.8909007182,
    8934.8517000133,
    8947.8172012135,
    8960.7874009109,
    8973.7622957040,
    8986.7418821972,
    8999.7261570012,
    9012.7151167328,
    9025.7087580148,
    9038.7070774762,
    9051.7100717521,
    9064.7177374833,
    9077.7300713171,
    9090.7470699065,
    9103.7687299106,
    9116.7950479945,
    9129.8260208291,
    9142.8616450914,
    9155.9019174644,
    9168.9468346367,
    9181.9963933031,
    9195.0505901642,
    9208.1094219263,
    9221.1728853017,
    9234.2409770084,
    9247.3136937704,
    9260.3910323173,
    9273.4729893846,
    9286.5595617135,
    9299.6507460510,
    9312.7465391496,
    9325.8469377679,
    9338.9519386698,
    9352.0615386252,
    9365.1757344094,
    9378.2945228036,
    9391.4179005944,
    9404.5458645741,
    9417.6784115407,
    9430.8155382977,
    9443.9572416540,
    9457.1035184244,
    9470.2543654290,
    9483.4097794934,
    9496.5697574489,
    9509.7342961321,
    9522.9033923851,
    9536.0770430556,
    9549.2552449966,
    9562.4379950666,
    9575.6252901295,
    9588.8171270546,
    9602.0135027165,
    9615.2144139955,
    9628.4198577767,
    9641.6298309511,
    9654.8443304146,
    9668.0633530688,
    9681.2868958202,
    9694.5149555808,
    9707.7475292679,
    9720.9846138040,
    9734.2262061168,
    9747.4723031393,
    9760.7229018097,
    9773.9779990712,
    9787.2375918726,
    9800.5016771674,
    9813.7702519147,
    9827.0433130783,
    9840.3208576275,
    9853.6028825365,
    9866.8893847847,
    9880.1803613565,
    9893.4758092415,
    9906.7757254342,
    9920.0801069342,
    9933.3889507462,
    9946.7022538799,
    9960.0200133500,
    9973.3422261761,
    9986.6688893829,
    10000.0000000000,
    10013.3355550619,
    10026.6755516082,
    10040.0199866833,
    10053.3688573365,
    10066.7221606221,
    10080.0798935991,
    10093.4420533317,
    10106.8086368886,
    10120.1796413436,
    10133.5550637751,
    10146.9349012666,
    10160.3191509062,
    10173.7078097869,
    10187.1008750065,
    10200.4983436674,
    10213.9002128770,
    10227.3064797472,
    10240.7171413949,
    10254.1321949415,
    10267.5516375131,
    10280.9754662408,
    10294.4036782600,
    10307.8362707111,
    10321.2732407388,
    10334.7145854928
};

#else

static real_t iq_table[] =
{
    0x0,
    0x80,
    0x142,
    0x229,
    0x32C,
    0x446,
    0x573,
    0x6B1,
    0x7FF,
    0x95C,
    0xAC5,
    0xC3B,
    0xDBC,
    0xF48,
    0x10DE,
    0x127F,
    0x1428,
    0x15DB,
    0x1796,
    0x1959,
    0x1B24,
    0x1CF7,
    0x1ED2,
    0x20B4,
    0x229D,
    0x248C,
    0x2683,
    0x287F,
    0x2A83,
    0x2C8C,
    0x2E9B,
    0x30B0,
    0x32CB,
    0x34EC,
    0x3712,
    0x393E,
    0x3B6F,
    0x3DA5,
    0x3FE0,
    0x4220,
    0x4466,
    0x46B0,
    0x48FF,
    0x4B52,
    0x4DAA,
    0x5007,
    0x5268,
    0x54CE,
    0x5738,
    0x59A7,
    0x5C19,
    0x5E90,
    0x610B,
    0x638A,
    0x660D,
    0x6894,
    0x6B1F,
    0x6DAE,
    0x7041,
    0x72D7,
    0x7572,
    0x7810,
    0x7AB1,
    0x7D57,
    0x7FFF,
    0x82AC,
    0x855C,
    0x880F,
    0x8AC6,
    0x8D81,
    0x903E,
    0x92FF,
    0x95C4,
    0x988B,
    0x9B56,
    0x9E24,
    0xA0F6,
    0xA3CA,
    0xA6A2,
    0xA97C,
    0xAC5A,
    0xAF3B,
    0xB21F,
    0xB506,
    0xB7F0,
    0xBADD,
    0xBDCD,
    0xC0C0,
    0xC3B5,
    0xC6AE,
    0xC9A9,
    0xCCA8,
    0xCFA9,
    0xD2AC,
    0xD5B3,
    0xD8BC,
    0xDBC8,
    0xDED7,
    0xE1E9,
    0xE4FD,
    0xE814,
    0xEB2D,
    0xEE49,
    0xF168,
    0xF489,
    0xF7AD,
    0xFAD4,
    0xFDFD,
    0x10128,
    0x10456,
    0x10787,
    0x10ABA,
    0x10DEF,
    0x11127,
    0x11461,
    0x1179E,
    0x11ADD,
    0x11E1F,
    0x12163,
    0x124A9,
    0x127F2,
    0x12B3D,
    0x12E8A,
    0x131D9,
    0x1352B,
    0x1387F,
    0x13BD6,
    0x13F2F,
    0x1428A,
    0x145E7,
    0x14946,
    0x14CA8,
    0x1500C,
    0x15372,
    0x156DA,
    0x15A45,
    0x15DB1,
    0x16120,
    0x16491,
    0x16804,
    0x16B79,
    0x16EF0,
    0x1726A,
    0x175E5,
    0x17963,
    0x17CE2,
    0x18064,
    0x183E7,
    0x1876D,
    0x18AF5,
    0x18E7F,
    0x1920B,
    0x19598,
    0x19928,
    0x19CBA,
    0x1A04E,
    0x1A3E3,
    0x1A77B,
    0x1AB15,
    0x1AEB0,
    0x1B24E,
    0x1B5EE,
    0x1B98F,
    0x1BD32,
    0x1C0D7,
    0x1C47F,
    0x1C828,
    0x1CBD3,
    0x1CF7F,
    0x1D32E,
    0x1D6DE,
    0x1DA91,
    0x1DE45,
    0x1E1FB,
    0x1E5B3,
    0x1E96D,
    0x1ED28,
    0x1F0E6,
    0x1F4A5,
    0x1F866,
    0x1FC28,
    0x1FFED,
    0x203B3,
    0x2077B,
    0x20B45,
    0x20F11,
    0x212DE,
    0x216AD,
    0x21A7E,
    0x21E50,
    0x22225,
    0x225FB,
    0x229D2,
    0x22DAC,
    0x23187,
    0x23564,
    0x23942,
    0x23D23,
    0x24104,
    0x244E8,
    0x248CD,
    0x24CB4,
    0x2509D,
    0x25487,
    0x25873,
    0x25C60,
    0x2604F,
    0x26440,
    0x26832,
    0x26C26,
    0x2701C,
    0x27413,
    0x2780C,
    0x27C07,
    0x28003,
    0x28400,
    0x287FF,
    0x28C00,
    0x29003,
    0x29407,
    0x2980C,
    0x29C13,
    0x2A01C,
    0x2A426,
    0x2A832,
    0x2AC3F,
    0x2B04E,
    0x2B45E,
    0x2B870,
    0x2BC83,
    0x2C098,
    0x2C4AF,
    0x2C8C7,
    0x2CCE0,
    0x2D0FB,
    0x2D517,
    0x2D935,
    0x2DD55,
    0x2E176,
    0x2E598,
    0x2E9BC,
    0x2EDE1,
    0x2F208,
    0x2F630,
    0x2FA5A,
    0x2FE85,
    0x302B2,
    0x306E0,
    0x30B0F,
    0x30F40,
    0x31373,
    0x317A7,
    0x31BDC,
    0x32013,
    0x3244B,
    0x32884,
    0x32CBF,
    0x330FC,
    0x33539,
    0x33979,
    0x33DB9,
    0x341FB,
    0x3463F,
    0x34A83,
    0x34ECA,
    0x35311,
    0x3575A,
    0x35BA4,
    0x35FF0,
    0x3643D,
    0x3688B,
    0x36CDB,
    0x3712C,
    0x3757F,
    0x379D2,
    0x37E28,
    0x3827E,
    0x386D6,
    0x38B2F,
    0x38F8A,
    0x393E6,
    0x39843,
    0x39CA1,
    0x3A101,
    0x3A562,
    0x3A9C5,
    0x3AE28,
    0x3B28E,
    0x3B6F4,
    0x3BB5C,
    0x3BFC5,
    0x3C42F,
    0x3C89B,
    0x3CD08,
    0x3D176,
    0x3D5E5,
    0x3DA56,
    0x3DEC8,
    0x3E33B,
    0x3E7B0,
    0x3EC26,
    0x3F09D,
    0x3F515,
    0x3F98F,
    0x3FE0A,
    0x40286,
    0x40703,
    0x40B82,
    0x41002,
    0x41483,
    0x41906,
    0x41D89,
    0x4220E,
    0x42694,
    0x42B1C,
    0x42FA4,
    0x4342E,
    0x438B9,
    0x43D46,
    0x441D3,
    0x44662,
    0x44AF2,
    0x44F83,
    0x45415,
    0x458A9,
    0x45D3E,
    0x461D4,
    0x4666B,
    0x46B03,
    0x46F9D,
    0x47438,
    0x478D4,
    0x47D71,
    0x4820F,
    0x486AF,
    0x48B50,
    0x48FF1,
    0x49494,
    0x49939,
    0x49DDE,
    0x4A285,
    0x4A72C,
    0x4ABD5,
    0x4B07F,
    0x4B52B,
    0x4B9D7,
    0x4BE85,
    0x4C333,
    0x4C7E3,
    0x4CC94,
    0x4D146,
    0x4D5FA,
    0x4DAAE,
    0x4DF64,
    0x4E41B,
    0x4E8D2,
    0x4ED8B,
    0x4F246,
    0x4F701,
    0x4FBBD,
    0x5007B,
    0x50539,
    0x509F9,
    0x50EBA,
    0x5137C,
    0x5183F,
    0x51D03,
    0x521C9,
    0x5268F,
    0x52B57,
    0x53020,
    0x534E9,
    0x539B4,
    0x53E80,
    0x5434D,
    0x5481B,
    0x54CEB,
    0x551BB,
    0x5568C,
    0x55B5F,
    0x56033,
    0x56507,
    0x569DD,
    0x56EB4,
    0x5738C,
    0x57865,
    0x57D3F,
    0x5821A,
    0x586F6,
    0x58BD4,
    0x590B2,
    0x59592,
    0x59A72,
    0x59F54,
    0x5A436,
    0x5A91A,
    0x5ADFF,
    0x5B2E5,
    0x5B7CB,
    0x5BCB3,
    0x5C19C,
    0x5C686,
    0x5CB71,
    0x5D05D,
    0x5D54B,
    0x5DA39,
    0x5DF28,
    0x5E418,
    0x5E90A,
    0x5EDFC,
    0x5F2EF,
    0x5F7E4,
    0x5FCD9,
    0x601D0,
    0x606C7,
    0x60BBF,
    0x610B9,
    0x615B4,
    0x61AAF,
    0x61FAC,
    0x624A9,
    0x629A8,
    0x62EA8,
    0x633A8,
    0x638AA,
    0x63DAC,
    0x642B0,
    0x647B5,
    0x64CBA,
    0x651C1,
    0x656C9,
    0x65BD1,
    0x660DB,
    0x665E6,
    0x66AF1,
    0x66FFE,
    0x6750C,
    0x67A1A,
    0x67F2A,
    0x6843A,
    0x6894C,
    0x68E5F,
    0x69372,
    0x69887,
    0x69D9C,
    0x6A2B3,
    0x6A7CA,
    0x6ACE3,
    0x6B1FC,
    0x6B716,
    0x6BC32,
    0x6C14E,
    0x6C66B,
    0x6CB8A,
    0x6D0A9,
    0x6D5C9,
    0x6DAEA,
    0x6E00C,
    0x6E52F,
    0x6EA53,
    0x6EF78,
    0x6F49E,
    0x6F9C5,
    0x6FEED,
    0x70416,
    0x7093F,
    0x70E6A,
    0x71396,
    0x718C2,
    0x71DF0,
    0x7231E,
    0x7284E,
    0x72D7E,
    0x732AF,
    0x737E2,
    0x73D15,
    0x74249,
    0x7477E,
    0x74CB4,
    0x751EB,
    0x75722,
    0x75C5B,
    0x76195,
    0x766CF,
    0x76C0B,
    0x77147,
    0x77685,
    0x77BC3,
    0x78102,
    0x78642,
    0x78B83,
    0x790C5,
    0x79608,
    0x79B4C,
    0x7A091,
    0x7A5D6,
    0x7AB1D,
    0x7B064,
    0x7B5AC,
    0x7BAF6,
    0x7C040,
    0x7C58B,
    0x7CAD7,
    0x7D024,
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};

#endif

#ifdef __cplusplus
}
#endif
#endif