Implementation
const List<int> twiddle = [
0x00008000,
0xff378001,
0xfe6e8002,
0xfda58006,
0xfcdc800a,
0xfc13800f,
0xfb4a8016,
0xfa81801e,
0xf9b88027,
0xf8ef8032,
0xf827803e,
0xf75e804b,
0xf6958059,
0xf5cd8068,
0xf5058079,
0xf43c808b,
0xf374809e,
0xf2ac80b2,
0xf1e480c8,
0xf11c80de,
0xf05580f6,
0xef8d8110,
0xeec6812a,
0xedff8146,
0xed388163,
0xec718181,
0xebab81a0,
0xeae481c1,
0xea1e81e2,
0xe9588205,
0xe892822a,
0xe7cd824f,
0xe7078276,
0xe642829d,
0xe57d82c6,
0xe4b982f1,
0xe3f4831c,
0xe3308349,
0xe26d8377,
0xe1a983a6,
0xe0e683d6,
0xe0238407,
0xdf61843a,
0xde9e846e,
0xdddc84a3,
0xdd1b84d9,
0xdc598511,
0xdb998549,
0xdad88583,
0xda1885be,
0xd95885fa,
0xd8988637,
0xd7d98676,
0xd71b86b6,
0xd65c86f6,
0xd59e8738,
0xd4e1877b,
0xd42487c0,
0xd3678805,
0xd2ab884c,
0xd1ef8894,
0xd13488dd,
0xd0798927,
0xcfbe8972,
0xcf0489be,
0xce4b8a0c,
0xcd928a5a,
0xccd98aaa,
0xcc218afb,
0xcb698b4d,
0xcab28ba0,
0xc9fc8bf5,
0xc9468c4a,
0xc8908ca1,
0xc7db8cf8,
0xc7278d51,
0xc6738dab,
0xc5c08e06,
0xc50d8e62,
0xc45b8ebf,
0xc3a98f1d,
0xc2f88f7d,
0xc2488fdd,
0xc198903e,
0xc0e990a1,
0xc03a9105,
0xbf8c9169,
0xbedf91cf,
0xbe329236,
0xbd86929e,
0xbcda9307,
0xbc2f9371,
0xbb8593dc,
0xbadc9448,
0xba3394b5,
0xb98b9523,
0xb8e39592,
0xb83c9603,
0xb7969674,
0xb6f196e6,
0xb64c9759,
0xb5a897ce,
0xb5059843,
0xb46298b9,
0xb3c09930,
0xb31f99a9,
0xb27f9a22,
0xb1df9a9c,
0xb1409b17,
0xb0a29b94,
0xb0059c11,
0xaf689c8f,
0xaecc9d0e,
0xae319d8e,
0xad979e0f,
0xacfd9e91,
0xac659f14,
0xabcd9f98,
0xab36a01c,
0xaaa0a0a2,
0xaa0aa129,
0xa976a1b0,
0xa8e2a238,
0xa84fa2c2,
0xa7bda34c,
0xa72ca3d7,
0xa69ca463,
0xa60ca4f0,
0xa57ea57e,
0xa4f0a60c,
0xa463a69c,
0xa3d7a72c,
0xa34ca7bd,
0xa2c2a84f,
0xa238a8e2,
0xa1b0a976,
0xa129aa0a,
0xa0a2aaa0,
0xa01cab36,
0x9f98abcd,
0x9f14ac65,
0x9e91acfd,
0x9e0fad97,
0x9d8eae31,
0x9d0eaecc,
0x9c8faf68,
0x9c11b005,
0x9b94b0a2,
0x9b17b140,
0x9a9cb1df,
0x9a22b27f,
0x99a9b31f,
0x9930b3c0,
0x98b9b462,
0x9843b505,
0x97ceb5a8,
0x9759b64c,
0x96e6b6f1,
0x9674b796,
0x9603b83c,
0x9592b8e3,
0x9523b98b,
0x94b5ba33,
0x9448badc,
0x93dcbb85,
0x9371bc2f,
0x9307bcda,
0x929ebd86,
0x9236be32,
0x91cfbedf,
0x9169bf8c,
0x9105c03a,
0x90a1c0e9,
0x903ec198,
0x8fddc248,
0x8f7dc2f8,
0x8f1dc3a9,
0x8ebfc45b,
0x8e62c50d,
0x8e06c5c0,
0x8dabc673,
0x8d51c727,
0x8cf8c7db,
0x8ca1c890,
0x8c4ac946,
0x8bf5c9fc,
0x8ba0cab2,
0x8b4dcb69,
0x8afbcc21,
0x8aaaccd9,
0x8a5acd92,
0x8a0cce4b,
0x89becf04,
0x8972cfbe,
0x8927d079,
0x88ddd134,
0x8894d1ef,
0x884cd2ab,
0x8805d367,
0x87c0d424,
0x877bd4e1,
0x8738d59e,
0x86f6d65c,
0x86b6d71b,
0x8676d7d9,
0x8637d898,
0x85fad958,
0x85beda18,
0x8583dad8,
0x8549db99,
0x8511dc59,
0x84d9dd1b,
0x84a3dddc,
0x846ede9e,
0x843adf61,
0x8407e023,
0x83d6e0e6,
0x83a6e1a9,
0x8377e26d,
0x8349e330,
0x831ce3f4,
0x82f1e4b9,
0x82c6e57d,
0x829de642,
0x8276e707,
0x824fe7cd,
0x822ae892,
0x8205e958,
0x81e2ea1e,
0x81c1eae4,
0x81a0ebab,
0x8181ec71,
0x8163ed38,
0x8146edff,
0x812aeec6,
0x8110ef8d,
0x80f6f055,
0x80def11c,
0x80c8f1e4,
0x80b2f2ac,
0x809ef374,
0x808bf43c,
0x8079f505,
0x8068f5cd,
0x8059f695,
0x804bf75e,
0x803ef827,
0x8032f8ef,
0x8027f9b8,
0x801efa81,
0x8016fb4a,
0x800ffc13,
0x800afcdc,
0x8006fda5,
0x8002fe6e,
0x8001ff37,
];
