pmd-red/src/data/math.h

// gFastMod3Lookup

const u8 gFastMod3Lookup[0x100] = {
0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0
};

const u8 gFastDiv3Lookup[0x100] = {
    0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 21, 21, 21, 22, 22, 22, 23, 23, 23, 24, 24, 24, 25, 25, 25, 26, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29, 30, 30, 30, 31, 31, 31, 32, 32, 32, 33, 33, 33, 34, 34, 34, 35, 35, 35, 36, 36, 36, 37, 37, 37, 38, 38, 38, 39, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42, 42, 43, 43, 43, 44, 44, 44, 45, 45, 45, 46, 46, 46, 47, 47, 47, 48, 48, 48, 49, 49, 49, 50, 50, 50, 51, 51, 51, 52, 52, 52, 53, 53, 53, 54, 54, 54, 55, 55, 55, 56, 56, 56, 57, 57, 57, 58, 58, 58, 59, 59, 59, 60, 60, 60, 61, 61, 61, 62, 62, 62, 63, 63, 63, 64, 64, 64, 65, 65, 65, 66, 66, 66, 67, 67, 67, 68, 68, 68, 69, 69, 69, 70, 70, 70, 71, 71, 71, 72, 72, 72, 73, 73, 73, 74, 74, 74, 75, 75, 75, 76, 76, 76, 77, 77, 77, 78, 78, 78, 79, 79, 79, 80, 80, 80, 81, 81, 81, 82, 82, 82, 83, 83, 83, 84, 84, 84, 85
};


// gFastSinLookup[i] = floor(256 * sin(iπ / 2048))
static const s16 gFastSinLookup[] = {
    0, 0, 0, 1, 1, 1, 2, 2,
    3, 3, 3, 4, 4, 5, 5, 5,
    6, 6, 7, 7, 7, 8, 8, 9,
    9, 9, 10, 10, 10, 11, 11, 12,
    12, 12, 13, 13, 14, 14, 14, 15,
    15, 16, 16, 16, 17, 17, 18, 18,
    18, 19, 19, 20, 20, 20, 21, 21,
    21, 22, 22, 23, 23, 23, 24, 24,
    25, 25, 25, 26, 26, 27, 27, 27,
    28, 28, 28, 29, 29, 30, 30, 30,
    31, 31, 32, 32, 32, 33, 33, 34,
    34, 34, 35, 35, 36, 36, 36, 37,
    37, 37, 38, 38, 39, 39, 39, 40,
    40, 41, 41, 41, 42, 42, 42, 43,
    43, 44, 44, 44, 45, 45, 46, 46,
    46, 47, 47, 48, 48, 48, 49, 49,
    49, 50, 50, 51, 51, 51, 52, 52,
    53, 53, 53, 54, 54, 54, 55, 55,
    56, 56, 56, 57, 57, 58, 58, 58,
    59, 59, 59, 60, 60, 61, 61, 61,
    62, 62, 62, 63, 63, 64, 64, 64,
    65, 65, 66, 66, 66, 67, 67, 67,
    68, 68, 69, 69, 69, 70, 70, 70,
    71, 71, 72, 72, 72, 73, 73, 73,
    74, 74, 75, 75, 75, 76, 76, 76,
    77, 77, 78, 78, 78, 79, 79, 79,
    80, 80, 81, 81, 81, 82, 82, 82,
    83, 83, 84, 84, 84, 85, 85, 85,
    86, 86, 86, 87, 87, 88, 88, 88,
    89, 89, 89, 90, 90, 91, 91, 91,
    92, 92, 92, 93, 93, 93, 94, 94,
    95, 95, 95, 96, 96, 96, 97, 97,
    97, 98, 98, 99, 99, 99, 100, 100,
    100, 101, 101, 101, 102, 102, 103, 103,
    103, 104, 104, 104, 105, 105, 105, 106,
    106, 106, 107, 107, 108, 108, 108, 109,
    109, 109, 110, 110, 110, 111, 111, 111,
    112, 112, 112, 113, 113, 114, 114, 114,
    115, 115, 115, 116, 116, 116, 117, 117,
    117, 118, 118, 118, 119, 119, 119, 120,
    120, 121, 121, 121, 122, 122, 122, 123,
    123, 123, 124, 124, 124, 125, 125, 125,
    126, 126, 126, 127, 127, 127, 128, 128,
    128, 129, 129, 129, 130, 130, 130, 131,
    131, 131, 132, 132, 132, 133, 133, 133,
    134, 134, 134, 135, 135, 135, 136, 136,
    136, 137, 137, 137, 138, 138, 138, 139,
    139, 139, 140, 140, 140, 141, 141, 141,
    142, 142, 142, 143, 143, 143, 144, 144,
    144, 145, 145, 145, 146, 146, 146, 147,
    147, 147, 148, 148, 148, 149, 149, 149,
    149, 150, 150, 150, 151, 151, 151, 152,
    152, 152, 153, 153, 153, 154, 154, 154,
    155, 155, 155, 155, 156, 156, 156, 157,
    157, 157, 158, 158, 158, 159, 159, 159,
    159, 160, 160, 160, 161, 161, 161, 162,
    162, 162, 163, 163, 163, 163, 164, 164,
    164, 165, 165, 165, 166, 166, 166, 166,
    167, 167, 167, 168, 168, 168, 168, 169,
    169, 169, 170, 170, 170, 171, 171, 171,
    171, 172, 172, 172, 173, 173, 173, 173,
    174, 174, 174, 175, 175, 175, 175, 176,
    176, 176, 177, 177, 177, 177, 178, 178,
    178, 179, 179, 179, 179, 180, 180, 180,
    181, 181, 181, 181, 182, 182, 182, 182,
    183, 183, 183, 184, 184, 184, 184, 185,
    185, 185, 185, 186, 186, 186, 187, 187,
    187, 187, 188, 188, 188, 188, 189, 189,
    189, 189, 190, 190, 190, 190, 191, 191,
    191, 192, 192, 192, 192, 193, 193, 193,
    193, 194, 194, 194, 194, 195, 195, 195,
    195, 196, 196, 196, 196, 197, 197, 197,
    197, 198, 198, 198, 198, 199, 199, 199,
    199, 200, 200, 200, 200, 201, 201, 201,
    201, 202, 202, 202, 202, 203, 203, 203,
    203, 203, 204, 204, 204, 204, 205, 205,
    205, 205, 206, 206, 206, 206, 207, 207,
    207, 207, 207, 208, 208, 208, 208, 209,
    209, 209, 209, 209, 210, 210, 210, 210,
    211, 211, 211, 211, 211, 212, 212, 212,
    212, 213, 213, 213, 213, 213, 214, 214,
    214, 214, 215, 215, 215, 215, 215, 216,
    216, 216, 216, 216, 217, 217, 217, 217,
    217, 218, 218, 218, 218, 218, 219, 219,
    219, 219, 219, 220, 220, 220, 220, 220,
    221, 221, 221, 221, 221, 222, 222, 222,
    222, 222, 223, 223, 223, 223, 223, 224,
    224, 224, 224, 224, 225, 225, 225, 225,
    225, 225, 226, 226, 226, 226, 226, 227,
    227, 227, 227, 227, 227, 228, 228, 228,
    228, 228, 229, 229, 229, 229, 229, 229,
    230, 230, 230, 230, 230, 230, 231, 231,
    231, 231, 231, 231, 232, 232, 232, 232,
    232, 232, 233, 233, 233, 233, 233, 233,
    234, 234, 234, 234, 234, 234, 234, 235,
    235, 235, 235, 235, 235, 236, 236, 236,
    236, 236, 236, 236, 237, 237, 237, 237,
    237, 237, 237, 238, 238, 238, 238, 238,
    238, 238, 239, 239, 239, 239, 239, 239,
    239, 240, 240, 240, 240, 240, 240, 240,
    241, 241, 241, 241, 241, 241, 241, 241,
    242, 242, 242, 242, 242, 242, 242, 242,
    243, 243, 243, 243, 243, 243, 243, 243,
    244, 244, 244, 244, 244, 244, 244, 244,
    244, 245, 245, 245, 245, 245, 245, 245,
    245, 245, 246, 246, 246, 246, 246, 246,
    246, 246, 246, 247, 247, 247, 247, 247,
    247, 247, 247, 247, 247, 248, 248, 248,
    248, 248, 248, 248, 248, 248, 248, 248,
    249, 249, 249, 249, 249, 249, 249, 249,
    249, 249, 249, 250, 250, 250, 250, 250,
    250, 250, 250, 250, 250, 250, 250, 251,
    251, 251, 251, 251, 251, 251, 251, 251,
    251, 251, 251, 251, 251, 252, 252, 252,
    252, 252, 252, 252, 252, 252, 252, 252,
    252, 252, 252, 252, 252, 253, 253, 253,
    253, 253, 253, 253, 253, 253, 253, 253,
    253, 253, 253, 253, 253, 253, 253, 254,
    254, 254, 254, 254, 254, 254, 254, 254,
    254, 254, 254, 254, 254, 254, 254, 254,
    254, 254, 254, 254, 254, 254, 254, 255,
    255, 255, 255, 255, 255, 255, 255, 255,
    255, 255, 255, 255, 255, 255, 255, 255,
    255, 255, 255, 255, 255, 255, 255, 255,
    255, 255, 255, 255, 255, 255, 255, 255,
    255, 255, 255, 255, 255, 255, 255, 255,
    255, 255, 255, 255, 255, 255, 255, 255,
    255, 255, 255, 255, 255, 255, 255, 255,
};


const u32 gFastUnknownFn1Lookup[] = {
    0, 0, 0, 0, 0, 0, 0, 1,
    1, 1, 1, 1, 1, 2, 2, 2,
    2, 2, 2, 3, 3, 3, 3, 3,
    3, 3, 4, 4, 4, 4, 4, 4,
    5, 5, 5, 5, 5, 5, 6, 6,
    6, 6, 6, 6, 6, 7, 7, 7,
    7, 7, 7, 8, 8, 8, 8, 8,
    8, 8, 9, 9, 9, 9, 9, 9,
    9, 10, 10, 10, 10, 10, 10, 11,
    11, 11, 11, 11, 11, 11, 12, 12,
    12, 12, 12, 12, 12, 13, 13, 13,
    13, 13, 13, 13, 14, 14, 14, 14,
    14, 14, 14, 15, 15, 15, 15, 15,
    15, 15, 15, 16, 16, 16, 16, 16,
    16, 16, 17, 17, 17, 17, 17, 17,
    17, 17, 18, 18, 18, 18, 18, 18,
    18, 19, 19, 19, 19, 19, 19, 19,
    19, 20, 20, 20, 20, 20, 20, 20,
    20, 20, 21, 21, 21, 21, 21, 21,
    21, 21, 22, 22, 22, 22, 22, 22,
    22, 22, 22, 23, 23, 23, 23, 23,
    23, 23, 23, 23, 24, 24, 24, 24,
    24, 24, 24, 24, 24, 25, 25, 25,
    25, 25, 25, 25, 25, 25, 26, 26,
    26, 26, 26, 26, 26, 26, 26, 26,
    27, 27, 27, 27, 27, 27, 27, 27,
    27, 27, 27, 28, 28, 28, 28, 28,
    28, 28, 28, 28, 28, 29, 29, 29,
    29, 29, 29, 29, 29, 29, 29, 29,
    29, 30, 30, 30, 30, 30, 30, 30,
    30, 30, 30, 30, 31, 31, 31, 31,
    31, 31, 31, 31, 31, 31, 31, 31,
};