rvoip-codec-core 0.2.2

G.711 and optional G.729A/G.729AB audio codec implementation for RVOIP
Documentation
// Inlined ITU G.729 table constants.
// Source values originally extracted from TAB_LD8A.C.

/// Public constant `HAMWINDOW`.
pub const HAMWINDOW: [i16; 240] = [
    2621, 2623, 2629, 2638, 2651, 2668, 2689, 2713, 2741, 2772, 2808, 2847, 2890, 2936, 2986, 3040,
    3097, 3158, 3223, 3291, 3363, 3438, 3517, 3599, 3685, 3774, 3867, 3963, 4063, 4166, 4272, 4382,
    4495, 4611, 4731, 4853, 4979, 5108, 5240, 5376, 5514, 5655, 5800, 5947, 6097, 6250, 6406, 6565,
    6726, 6890, 7057, 7227, 7399, 7573, 7750, 7930, 8112, 8296, 8483, 8672, 8863, 9057, 9252, 9450,
    9650, 9852, 10055, 10261, 10468, 10677, 10888, 11101, 11315, 11531, 11748, 11967, 12187, 12409,
    12632, 12856, 13082, 13308, 13536, 13764, 13994, 14225, 14456, 14688, 14921, 15155, 15389,
    15624, 15859, 16095, 16331, 16568, 16805, 17042, 17279, 17516, 17754, 17991, 18228, 18465,
    18702, 18939, 19175, 19411, 19647, 19882, 20117, 20350, 20584, 20816, 21048, 21279, 21509,
    21738, 21967, 22194, 22420, 22644, 22868, 23090, 23311, 23531, 23749, 23965, 24181, 24394,
    24606, 24816, 25024, 25231, 25435, 25638, 25839, 26037, 26234, 26428, 26621, 26811, 26999,
    27184, 27368, 27548, 27727, 27903, 28076, 28247, 28415, 28581, 28743, 28903, 29061, 29215,
    29367, 29515, 29661, 29804, 29944, 30081, 30214, 30345, 30472, 30597, 30718, 30836, 30950,
    31062, 31170, 31274, 31376, 31474, 31568, 31659, 31747, 31831, 31911, 31988, 32062, 32132,
    32198, 32261, 32320, 32376, 32428, 32476, 32521, 32561, 32599, 32632, 32662, 32688, 32711,
    32729, 32744, 32755, 32763, 32767, 32767, 32741, 32665, 32537, 32359, 32129, 31850, 31521,
    31143, 30716, 30242, 29720, 29151, 28538, 27879, 27177, 26433, 25647, 24821, 23957, 23055,
    22117, 21145, 20139, 19102, 18036, 16941, 15820, 14674, 13505, 12315, 11106, 9879, 8637, 7381,
    6114, 4838, 3554, 2264, 971,
];

/// Public constant `LAG_H`.
pub const LAG_H: [i16; 12] = [
    32728, 32619, 32438, 32187, 31867, 31480, 31029, 30517, 29946, 29321, 28645, 27923,
];

/// Public constant `LAG_L`.
pub const LAG_L: [i16; 12] = [
    11904, 17280, 30720, 25856, 24192, 28992, 24384, 7360, 19520, 14784, 22092, 12924,
];

/// Public constant `TABLE2`.
pub const TABLE2: [i16; 64] = [
    32767, 32729, 32610, 32413, 32138, 31786, 31357, 30853, 30274, 29622, 28899, 28106, 27246,
    26320, 25330, 24279, 23170, 22006, 20788, 19520, 18205, 16846, 15447, 14010, 12540, 11039,
    9512, 7962, 6393, 4808, 3212, 1608, 0, -1608, -3212, -4808, -6393, -7962, -9512, -11039,
    -12540, -14010, -15447, -16846, -18205, -19520, -20788, -22006, -23170, -24279, -25330, -26320,
    -27246, -28106, -28899, -29622, -30274, -30853, -31357, -31786, -32138, -32413, -32610, -32729,
];

/// Public constant `SLOPE_COS`.
pub const SLOPE_COS: [i16; 64] = [
    -632, -1893, -3150, -4399, -5638, -6863, -8072, -9261, -10428, -11570, -12684, -13767, -14817,
    -15832, -16808, -17744, -18637, -19486, -20287, -21039, -21741, -22390, -22986, -23526, -24009,
    -24435, -24801, -25108, -25354, -25540, -25664, -25726, -25726, -25664, -25540, -25354, -25108,
    -24801, -24435, -24009, -23526, -22986, -22390, -21741, -21039, -20287, -19486, -18637, -17744,
    -16808, -15832, -14817, -13767, -12684, -11570, -10428, -9261, -8072, -6863, -5638, -4399,
    -3150, -1893, -632,
];

/// Public constant `SLOPE_ACOS`.
pub const SLOPE_ACOS: [i16; 64] = [
    -26887, -8812, -5323, -3813, -2979, -2444, -2081, -1811, -1608, -1450, -1322, -1219, -1132,
    -1059, -998, -946, -901, -861, -827, -797, -772, -750, -730, -713, -699, -687, -677, -668,
    -662, -657, -654, -652, -652, -654, -657, -662, -668, -677, -687, -699, -713, -730, -750, -772,
    -797, -827, -861, -901, -946, -998, -1059, -1132, -1219, -1322, -1450, -1608, -1811, -2081,
    -2444, -2979, -3813, -5323, -8812, -26887,
];

/// Public constant `LSPCB1`.
pub const LSPCB1: [i16; 1280] = [
    1486, 2168, 3751, 9074, 12134, 13944, 17983, 19173, 21190, 21820, 1730, 2640, 3450, 4870, 6126,
    7876, 15644, 17817, 20294, 21902, 1568, 2256, 3088, 4874, 11063, 13393, 18307, 19293, 21109,
    21741, 1733, 2512, 3357, 4708, 6977, 10296, 17024, 17956, 19145, 20350, 1744, 2436, 3308, 8731,
    10432, 12007, 15614, 16639, 21359, 21913, 1786, 2369, 3372, 4521, 6795, 12963, 17674, 18988,
    20855, 21640, 1631, 2433, 3361, 6328, 10709, 12013, 13277, 13904, 19441, 21088, 1489, 2364,
    3291, 6250, 9227, 10403, 13843, 15278, 17721, 21451, 1869, 2533, 3475, 4365, 9152, 14513,
    15908, 17022, 20611, 21411, 2070, 3025, 4333, 5854, 7805, 9231, 10597, 16047, 20109, 21834,
    1910, 2673, 3419, 4261, 11168, 15111, 16577, 17591, 19310, 20265, 1141, 1815, 2624, 4623, 6495,
    9588, 13968, 16428, 19351, 21286, 2192, 3171, 4707, 5808, 10904, 12500, 14162, 15664, 21124,
    21789, 1286, 1907, 2548, 3453, 9574, 11964, 15978, 17344, 19691, 22495, 1921, 2720, 4604, 6684,
    11503, 12992, 14350, 15262, 16997, 20791, 2052, 2759, 3897, 5246, 6638, 10267, 15834, 16814,
    18149, 21675, 1798, 2497, 5617, 11449, 13189, 14711, 17050, 18195, 20307, 21182, 1009, 1647,
    2889, 5709, 9541, 12354, 15231, 18494, 20966, 22033, 3016, 3794, 5406, 7469, 12488, 13984,
    15328, 16334, 19952, 20791, 2203, 3040, 3796, 5442, 11987, 13512, 14931, 16370, 17856, 18803,
    2912, 4292, 7988, 9572, 11562, 13244, 14556, 16529, 20004, 21073, 2861, 3607, 5923, 7034, 9234,
    12054, 13729, 18056, 20262, 20974, 3069, 4311, 5967, 7367, 11482, 12699, 14309, 16233, 18333,
    19172, 2434, 3661, 4866, 5798, 10383, 11722, 13049, 15668, 18862, 19831, 2020, 2605, 3860,
    9241, 13275, 14644, 16010, 17099, 19268, 20251, 1877, 2809, 3590, 4707, 11056, 12441, 15622,
    17168, 18761, 19907, 2107, 2873, 3673, 5799, 13579, 14687, 15938, 17077, 18890, 19831, 1612,
    2284, 2944, 3572, 8219, 13959, 15924, 17239, 18592, 20117, 2420, 3156, 6542, 10215, 12061,
    13534, 15305, 16452, 18717, 19880, 1667, 2612, 3534, 5237, 10513, 11696, 12940, 16798, 18058,
    19378, 2388, 3017, 4839, 9333, 11413, 12730, 15024, 16248, 17449, 18677, 1875, 2786, 4231,
    6320, 8694, 10149, 11785, 17013, 18608, 19960, 679, 1411, 4654, 8006, 11446, 13249, 15763,
    18127, 20361, 21567, 1838, 2596, 3578, 4608, 5650, 11274, 14355, 15886, 20579, 21754, 1303,
    1955, 2395, 3322, 12023, 13764, 15883, 18077, 20180, 21232, 1438, 2102, 2663, 3462, 8328,
    10362, 13763, 17248, 19732, 22344, 860, 1904, 6098, 7775, 9815, 12007, 14821, 16709, 19787,
    21132, 1673, 2723, 3704, 6125, 7668, 9447, 13683, 14443, 20538, 21731, 1246, 1849, 2902, 4508,
    7221, 12710, 14835, 16314, 19335, 22720, 1525, 2260, 3862, 5659, 7342, 11748, 13370, 14442,
    18044, 21334, 1196, 1846, 3104, 7063, 10972, 12905, 14814, 17037, 19922, 22636, 2147, 3106,
    4475, 6511, 8227, 9765, 10984, 12161, 18971, 21300, 1585, 2405, 2994, 4036, 11481, 13177,
    14519, 15431, 19967, 21275, 1778, 2688, 3614, 4680, 9465, 11064, 12473, 16320, 19742, 20800,
    1862, 2586, 3492, 6719, 11708, 13012, 14364, 16128, 19610, 20425, 1395, 2156, 2669, 3386,
    10607, 12125, 13614, 16705, 18976, 21367, 1444, 2117, 3286, 6233, 9423, 12981, 14998, 15853,
    17188, 21857, 2004, 2895, 3783, 4897, 6168, 7297, 12609, 16445, 19297, 21465, 1495, 2863, 6360,
    8100, 11399, 14271, 15902, 17711, 20479, 22061, 2484, 3114, 5718, 7097, 8400, 12616, 14073,
    14847, 20535, 21396, 2424, 3277, 5296, 6284, 11290, 12903, 16022, 17508, 19333, 20283, 2565,
    3778, 5360, 6989, 8782, 10428, 14390, 15742, 17770, 21734, 2727, 3384, 6613, 9254, 10542,
    12236, 14651, 15687, 20074, 21102, 1916, 2953, 6274, 8088, 9710, 10925, 12392, 16434, 20010,
    21183, 3384, 4366, 5349, 7667, 11180, 12605, 13921, 15324, 19901, 20754, 3075, 4283, 5951,
    7619, 9604, 11010, 12384, 14006, 20658, 21497, 1751, 2455, 5147, 9966, 11621, 13176, 14739,
    16470, 20788, 21756, 1442, 2188, 3330, 6813, 8929, 12135, 14476, 15306, 19635, 20544, 2294,
    2895, 4070, 8035, 12233, 13416, 14762, 17367, 18952, 19688, 1937, 2659, 4602, 6697, 9071,
    12863, 14197, 15230, 16047, 18877, 2071, 2663, 4216, 9445, 10887, 12292, 13949, 14909, 19236,
    20341, 1740, 2491, 3488, 8138, 9656, 11153, 13206, 14688, 20896, 21907, 2199, 2881, 4675, 8527,
    10051, 11408, 14435, 15463, 17190, 20597, 1943, 2988, 4177, 6039, 7478, 8536, 14181, 15551,
    17622, 21579, 1825, 3175, 7062, 9818, 12824, 15450, 18330, 19856, 21830, 22412, 2464, 3046,
    4822, 5977, 7696, 15398, 16730, 17646, 20588, 21320, 2550, 3393, 5305, 6920, 10235, 14083,
    18143, 19195, 20681, 21336, 3003, 3799, 5321, 6437, 7919, 11643, 15810, 16846, 18119, 18980,
    3455, 4157, 6838, 8199, 9877, 12314, 15905, 16826, 19949, 20892, 3052, 3769, 4891, 5810, 6977,
    10126, 14788, 15990, 19773, 20904, 3671, 4356, 5827, 6997, 8460, 12084, 14154, 14939, 19247,
    20423, 2716, 3684, 5246, 6686, 8463, 10001, 12394, 14131, 16150, 19776, 1945, 2638, 4130, 7995,
    14338, 15576, 17057, 18206, 20225, 20997, 2304, 2928, 4122, 4824, 5640, 13139, 15825, 16938,
    20108, 21054, 1800, 2516, 3350, 5219, 13406, 15948, 17618, 18540, 20531, 21252, 1436, 2224,
    2753, 4546, 9657, 11245, 15177, 16317, 17489, 19135, 2319, 2899, 4980, 6936, 8404, 13489,
    15554, 16281, 20270, 20911, 2187, 2919, 4610, 5875, 7390, 12556, 14033, 16794, 20998, 21769,
    2235, 2923, 5121, 6259, 8099, 13589, 15340, 16340, 17927, 20159, 1765, 2638, 3751, 5730, 7883,
    10108, 13633, 15419, 16808, 18574, 3460, 5741, 9596, 11742, 14413, 16080, 18173, 19090, 20845,
    21601, 3735, 4426, 6199, 7363, 9250, 14489, 16035, 17026, 19873, 20876, 3521, 4778, 6887, 8680,
    12717, 14322, 15950, 18050, 20166, 21145, 2141, 2968, 6865, 8051, 10010, 13159, 14813, 15861,
    17528, 18655, 4148, 6128, 9028, 10871, 12686, 14005, 15976, 17208, 19587, 20595, 4403, 5367,
    6634, 8371, 10163, 11599, 14963, 16331, 17982, 18768, 4091, 5386, 6852, 8770, 11563, 13290,
    15728, 16930, 19056, 20102, 2746, 3625, 5299, 7504, 10262, 11432, 13172, 15490, 16875, 17514,
    2248, 3556, 8539, 10590, 12665, 14696, 16515, 17824, 20268, 21247, 1279, 1960, 3920, 7793,
    10153, 14753, 16646, 18139, 20679, 21466, 2440, 3475, 6737, 8654, 12190, 14588, 17119, 17925,
    19110, 19979, 1879, 2514, 4497, 7572, 10017, 14948, 16141, 16897, 18397, 19376, 2804, 3688,
    7490, 10086, 11218, 12711, 16307, 17470, 20077, 21126, 2023, 2682, 3873, 8268, 10255, 11645,
    15187, 17102, 18965, 19788, 2823, 3605, 5815, 8595, 10085, 11469, 16568, 17462, 18754, 19876,
    2851, 3681, 5280, 7648, 9173, 10338, 14961, 16148, 17559, 18474, 1348, 2645, 5826, 8785, 10620,
    12831, 16255, 18319, 21133, 22586, 2141, 3036, 4293, 6082, 7593, 10629, 17158, 18033, 21466,
    22084, 1608, 2375, 3384, 6878, 9970, 11227, 16928, 17650, 20185, 21120, 2774, 3616, 5014, 6557,
    7788, 8959, 17068, 18302, 19537, 20542, 1934, 4813, 6204, 7212, 8979, 11665, 15989, 17811,
    20426, 21703, 2288, 3507, 5037, 6841, 8278, 9638, 15066, 16481, 21653, 22214, 2951, 3771, 4878,
    7578, 9016, 10298, 14490, 15242, 20223, 20990, 3256, 4791, 6601, 7521, 8644, 9707, 13398,
    16078, 19102, 20249, 1827, 2614, 3486, 6039, 12149, 13823, 16191, 17282, 21423, 22041, 1000,
    1704, 3002, 6335, 8471, 10500, 14878, 16979, 20026, 22427, 1646, 2286, 3109, 7245, 11493,
    12791, 16824, 17667, 18981, 20222, 1708, 2501, 3315, 6737, 8729, 9924, 16089, 17097, 18374,
    19917, 2623, 3510, 4478, 5645, 9862, 11115, 15219, 18067, 19583, 20382, 2518, 3434, 4728, 6388,
    8082, 9285, 13162, 18383, 19819, 20552, 1726, 2383, 4090, 6303, 7805, 12845, 14612, 17608,
    19269, 20181, 2860, 3735, 4838, 6044, 7254, 8402, 14031, 16381, 18037, 19410, 4247, 5993, 7952,
    9792, 12342, 14653, 17527, 18774, 20831, 21699, 3502, 4051, 5680, 6805, 8146, 11945, 16649,
    17444, 20390, 21564, 3151, 4893, 5899, 7198, 11418, 13073, 15124, 17673, 20520, 21861, 3960,
    4848, 5926, 7259, 8811, 10529, 15661, 16560, 18196, 20183, 4499, 6604, 8036, 9251, 10804,
    12627, 15880, 17512, 20020, 21046, 4251, 5541, 6654, 8318, 9900, 11686, 15100, 17093, 20572,
    21687, 3769, 5327, 7865, 9360, 10684, 11818, 13660, 15366, 18733, 19882, 3083, 3969, 6248,
    8121, 9798, 10994, 12393, 13686, 17888, 19105, 2731, 4670, 7063, 9201, 11346, 13735, 16875,
    18797, 20787, 22360, 1187, 2227, 4737, 7214, 9622, 12633, 15404, 17968, 20262, 23533, 1911,
    2477, 3915, 10098, 11616, 12955, 16223, 17138, 19270, 20729, 1764, 2519, 3887, 6944, 9150,
    12590, 16258, 16984, 17924, 18435, 1400, 3674, 7131, 8718, 10688, 12508, 15708, 17711, 19720,
    21068, 2322, 3073, 4287, 8108, 9407, 10628, 15862, 16693, 19714, 21474, 2630, 3339, 4758, 8360,
    10274, 11333, 12880, 17374, 19221, 19936, 1721, 2577, 5553, 7195, 8651, 10686, 15069, 16953,
    18703, 19929,
];

/// Public constant `LSPCB2`.
pub const LSPCB2: [i16; 320] = [
    -435, -815, -742, 1033, -518, 582, -1201, 829, 86, 385, -833, -891, 463, -8, -1251, 1450, 72,
    -231, 864, 661, -1021, 231, -306, 321, -220, -163, -526, -754, -1633, 267, 57, -198, -339, -33,
    -1468, 573, 796, -169, -631, 816, 171, -350, 294, 1660, 453, 519, 291, 159, -640, -1296, -701,
    -842, -58, 950, 892, 1549, 715, 527, -714, -193, 584, 31, -289, 356, -333, -457, 612, -283,
    -1381, -741, -109, -808, 231, 77, -87, -344, 1341, 1087, -654, -569, -859, 1236, 550, 854, 714,
    -543, -1752, -195, -98, -276, -877, -954, -1248, -299, 212, -235, -728, 949, 1517, 895, -77,
    344, -620, 763, 413, 502, -362, -960, -483, 1386, -314, -307, -256, -1260, -429, 450, -466,
    -108, 1010, 2223, 711, 693, 521, 650, 1305, -28, -378, 744, -1005, 240, -112, -271, -500, 946,
    1733, 271, -15, 909, -259, 1688, 575, -10, -468, -199, 1101, -1011, 581, -53, -747, 878, 145,
    -285, -1280, -398, 36, -498, -1377, 18, -444, 1483, -1133, -835, 1350, 1284, -95, 1015, -222,
    443, 372, -354, -1459, -1237, 416, -213, 466, 669, 659, 1640, 932, 534, -15, 66, 468, 1019,
    -748, 1385, -182, -907, -721, -262, -338, 148, 1445, 75, -760, 569, 1247, 337, 416, -121, 389,
    239, 1568, 981, 113, 369, -1003, -507, -587, -904, -312, -98, 949, 31, 1104, 72, -141, 1465,
    63, -785, 1127, 584, 835, 277, -1159, 208, 301, -882, 117, -404, 539, -114, 856, -493, 223,
    -912, 623, -76, 276, -440, 2197, 2337, 1268, 670, 304, -267, -525, 140, 882, -139, -1596, 550,
    801, -456, -56, -697, 865, 1060, 413, 446, 1154, 593, -77, 1237, -31, 581, -1037, -895, 669,
    297, 397, 558, 203, -797, -919, 3, 692, -292, 1050, 782, 334, 1475, 632, -80, 48, -1061, -484,
    362, -597, -852, -545, -330, -429, -680, 1133, -1182, -744, 1340, 262, 63, 1320, 827, -398,
    -576, 341, -774, -483, -1247, -70, 98, -163, 674, -11, -886, 531, -1125, -265, -242, 724, 934,
];

/// Public constant `FG`.
pub const FG: [i16; 80] = [
    8421, 9109, 9175, 8965, 9034, 9057, 8765, 8775, 9106, 8673, 7018, 7189, 7638, 7307, 7444, 7379,
    7038, 6956, 6930, 6868, 5472, 4990, 5134, 5177, 5246, 5141, 5206, 5095, 4830, 5147, 4056, 3031,
    2614, 3024, 2916, 2713, 3309, 3237, 2857, 3473, 7733, 7880, 8188, 8175, 8247, 8490, 8637, 8601,
    8359, 7569, 4210, 3031, 2552, 3473, 3876, 3853, 4184, 4154, 3909, 3968, 3214, 1930, 1313, 2143,
    2493, 2385, 2755, 2706, 2542, 2919, 3024, 1592, 940, 1631, 1723, 1579, 2034, 2084, 1913, 2601,
];

/// Public constant `FG_SUM`.
pub const FG_SUM: [i16; 20] = [
    7798, 8447, 8205, 8293, 8126, 8477, 8447, 8703, 9043, 8604, 14585, 18333, 19772, 17344, 16426,
    16459, 15155, 15220, 16043, 15708,
];

/// Public constant `FG_SUM_INV`.
pub const FG_SUM_INV: [i16; 20] = [
    17210, 15888, 16357, 16183, 16516, 15833, 15888, 15421, 14840, 15597, 9202, 7320, 6788, 7738,
    8170, 8154, 8856, 8818, 8366, 8544,
];

/// Public constant `GRID`.
pub const GRID: [i16; 51] = [
    32760, 32703, 32509, 32187, 31738, 31164, 30466, 29649, 28714, 27666, 26509, 25248, 23886,
    22431, 20887, 19260, 17557, 15786, 13951, 12062, 10125, 8149, 6140, 4106, 2057, 0, -2057,
    -4106, -6140, -8149, -10125, -12062, -13951, -15786, -17557, -19260, -20887, -22431, -23886,
    -25248, -26509, -27666, -28714, -29649, -30466, -31164, -31738, -32187, -32509, -32703, -32760,
];

/// Public constant `FREQ_PREV_RESET`.
pub const FREQ_PREV_RESET: [i16; 10] = [
    2339, 4679, 7018, 9358, 11698, 14037, 16377, 18717, 21056, 23396,
];

/// Public constant `INTER_3L`.
pub const INTER_3L: [i16; 31] = [
    29443, 25207, 14701, 3143, -4402, -5850, -2783, 1211, 3130, 2259, 0, -1652, -1666, -464, 756,
    1099, 550, -245, -634, -451, 0, 308, 296, 78, -120, -165, -79, 34, 91, 70, 0,
];

/// Public constant `PRED`.
pub const PRED: [i16; 4] = [5571, 4751, 2785, 1556];

/// Public constant `GBK1`.
pub const GBK1: [i16; 16] = [
    1, 1516, 1551, 2425, 1831, 5022, 57, 5404, 1921, 9291, 3242, 9949, 356, 14756, 2678, 27162,
];

/// Public constant `GBK2`.
pub const GBK2: [i16; 32] = [
    826, 2005, 1994, 0, 5142, 592, 6160, 2395, 8091, 4861, 9120, 525, 10573, 2966, 11569, 1196,
    13260, 3256, 14194, 1630, 15132, 4914, 15161, 14276, 15434, 237, 16112, 3392, 17299, 1861,
    18973, 5935,
];

/// Public constant `MAP1`.
pub const MAP1: [i16; 8] = [5, 1, 4, 7, 3, 0, 6, 2];

/// Public constant `MAP2`.
pub const MAP2: [i16; 16] = [4, 6, 0, 2, 12, 14, 8, 10, 15, 11, 9, 13, 7, 3, 1, 5];

/// Public constant `COEF`.
pub const COEF: [i16; 4] = [31881, 26416, 31548, 27816];

/// Public constant `L_COEF`.
pub const L_COEF: [i32; 4] = [2089405952, 1731217536, 2067549984, 1822990272];

/// Public constant `THR1`.
pub const THR1: [i16; 4] = [10808, 12374, 19778, 32567];

/// Public constant `THR2`.
pub const THR2: [i16; 8] = [14087, 16188, 20274, 21321, 23525, 25232, 27873, 30542];

/// Public constant `IMAP1`.
pub const IMAP1: [i16; 8] = [5, 1, 7, 4, 2, 0, 6, 3];

/// Public constant `IMAP2`.
pub const IMAP2: [i16; 16] = [2, 14, 3, 13, 0, 15, 1, 12, 6, 10, 7, 9, 4, 11, 5, 8];

/// Public constant `B100`.
pub const B100: [i16; 3] = [7699, -15398, 7699];

/// Public constant `A100`.
pub const A100: [i16; 3] = [8192, 15836, -7667];

/// Public constant `B140`.
pub const B140: [i16; 3] = [1899, -3798, 1899];

/// Public constant `A140`.
pub const A140: [i16; 3] = [4096, 7807, -3733];

/// Public constant `TABPOW`.
pub const TABPOW: [i16; 33] = [
    16384, 16743, 17109, 17484, 17867, 18258, 18658, 19066, 19484, 19911, 20347, 20792, 21247,
    21713, 22188, 22674, 23170, 23678, 24196, 24726, 25268, 25821, 26386, 26964, 27554, 28158,
    28774, 29405, 30048, 30706, 31379, 32066, 32767,
];

/// Public constant `TABLOG`.
pub const TABLOG: [i16; 33] = [
    0, 1455, 2866, 4236, 5568, 6863, 8124, 9352, 10549, 11716, 12855, 13967, 15054, 16117, 17156,
    18172, 19167, 20142, 21097, 22033, 22951, 23852, 24735, 25603, 26455, 27291, 28113, 28922,
    29716, 30497, 31266, 32023, 32767,
];

/// Public constant `TABSQR`.
pub const TABSQR: [i16; 49] = [
    32767, 31790, 30894, 30070, 29309, 28602, 27945, 27330, 26755, 26214, 25705, 25225, 24770,
    24339, 23930, 23541, 23170, 22817, 22479, 22155, 21845, 21548, 21263, 20988, 20724, 20470,
    20225, 19988, 19760, 19539, 19326, 19119, 18919, 18725, 18536, 18354, 18176, 18004, 17837,
    17674, 17515, 17361, 17211, 17064, 16921, 16782, 16646, 16514, 16384,
];

/// Public constant `TAB_ZONE`.
pub const TAB_ZONE: [i16; 153] = [
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,
    3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
];