141 lines
5.5 KiB
Rust
141 lines
5.5 KiB
Rust
use crate::board::Square;
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pub(crate) const BISHOP_SHR: u8 = 55;
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pub(crate) const fn bishop_factor(square: Square) -> u64 {
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match square {
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Square::A1 => 0x0000404040404040,
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Square::B1 => 0x0040C100081000E8,
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Square::C1 => 0x0000401020200000,
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Square::D1 => 0x0040802004000000,
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Square::E1 => 0x10403C0180000000,
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Square::F1 => 0x0040210100800000,
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Square::G1 => 0x0068104002008000,
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Square::H1 => 0x0048082080040080,
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Square::A2 => 0x0000004040404040,
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Square::B2 => 0x0000002020202020,
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Square::C2 => 0x00040080184001E4,
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Square::D2 => 0x0040008020040000,
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Square::E2 => 0x1040003C01800000,
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Square::F2 => 0x0078002001008000,
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Square::G2 => 0x0068001040020080,
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Square::H2 => 0x0068000820010040,
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Square::A3 => 0x0000400080808080,
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Square::B3 => 0x0000200040404040,
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Square::C3 => 0x0000400080808080,
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Square::D3 => 0x0000200200801000,
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Square::E3 => 0x0060200100080000,
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Square::F3 => 0x0000100021C60021,
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Square::G3 => 0x0000040010410040,
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Square::H3 => 0x0000020008208020,
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Square::A4 => 0x0000804000810100,
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Square::B4 => 0x0000402000408080,
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Square::C4 => 0x0000040800802080,
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Square::D4 => 0x000020100C010020,
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Square::E4 => 0x0000840000802000,
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Square::F4 => 0x0001801800240010,
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Square::G4 => 0x0000080800104100,
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Square::H4 => 0x0000040400082080,
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Square::A5 => 0x0000010278010040,
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Square::B5 => 0x000000813C004040,
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Square::C5 => 0x000001027A010040,
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Square::D5 => 0x0000018180280200,
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Square::E5 => 0x0000204018003080,
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Square::F5 => 0x0000202040008040,
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Square::G5 => 0x0000101010002080,
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Square::H5 => 0x0000080808001040,
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Square::A6 => 0x0000004100F90080,
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Square::B6 => 0x0000002080BC0040,
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Square::C6 => 0x0000004103440080,
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Square::D6 => 0x0000000080FD0080,
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Square::E6 => 0x0000020040100100,
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Square::F6 => 0x0000404040400080,
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Square::G6 => 0x000000206027D010,
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Square::H6 => 0x00000008400DE806,
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Square::A7 => 0x0000002101007200,
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Square::B7 => 0x0000001041003900,
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Square::C7 => 0x080000000F8080A0,
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Square::D7 => 0x0000000008003FC0,
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Square::E7 => 0x0000000100202000,
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Square::F7 => 0x0000004040802000,
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Square::G7 => 0x00000060401043D0,
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Square::H7 => 0x00000020200413F0,
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Square::A8 => 0x1400000F00410088,
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Square::B8 => 0x0000000010410039,
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Square::C8 => 0x000080000800807E,
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Square::D8 => 0x000C69003008003F,
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Square::E8 => 0x0000000001002020,
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Square::F8 => 0x0000000040408020,
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Square::G8 => 0x001980004010801F,
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Square::H8 => 0x0000404040404040,
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}
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}
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pub(crate) const ROOK_SHR: u8 = 52;
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pub(crate) const fn rook_factor(square: Square) -> u64 {
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match square {
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Square::A1 => 0x002000A28110000C,
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Square::B1 => 0x0018000C01060001,
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Square::C1 => 0x0040080010004004,
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Square::D1 => 0x0028004084200028,
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Square::E1 => 0x0030018000900300,
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Square::F1 => 0x0020008020010202,
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Square::G1 => 0x001800410080001F,
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Square::H1 => 0x0068006801040004,
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Square::A2 => 0x000028010114000A,
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Square::B2 => 0x00000C0083000600,
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Square::C2 => 0x0000080401020008,
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Square::D2 => 0x0000200200040020,
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Square::E2 => 0x0000200100020020,
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Square::F2 => 0x00001800C0006018,
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Square::G2 => 0x0000180070400018,
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Square::H2 => 0x0000180030640018,
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Square::A3 => 0x00300018010C0004,
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Square::B3 => 0x0004001000080010,
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Square::C3 => 0x0001000804020008,
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Square::D3 => 0x0002002004002002,
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Square::E3 => 0x0001002002002001,
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Square::F3 => 0x0001001000801040,
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Square::G3 => 0x0000004040008001,
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Square::H3 => 0x0000802000200040,
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Square::A4 => 0x0040200010080008,
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Square::B4 => 0x0000080010040010,
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Square::C4 => 0x0001020008040008,
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Square::D4 => 0x0000020020040020,
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Square::E4 => 0x0000010020020020,
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Square::F4 => 0x0000008020010020,
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Square::G4 => 0x0000008020200040,
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Square::H4 => 0x0000200020004081,
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Square::A5 => 0x0000081C00380020,
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Square::B5 => 0x0000080400100010,
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Square::C5 => 0x0000400880410010,
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Square::D5 => 0x0000200200200400,
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Square::E5 => 0x0000200100200200,
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Square::F5 => 0x0000200080200100,
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Square::G5 => 0x0000008000404001,
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Square::H5 => 0x0000802000200040,
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Square::A6 => 0x0000010B14002800,
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Square::B6 => 0x0000030086000C00,
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Square::C6 => 0x0000084040804200,
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Square::D6 => 0x0000020004002020,
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Square::E6 => 0x0000009001803003,
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Square::F6 => 0x0000004001004002,
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Square::G6 => 0x000000100800A804,
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Square::H6 => 0x000000082800D002,
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Square::A7 => 0x00000109040200A8,
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Square::B7 => 0x000000808A050014,
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Square::C7 => 0x0000004048038018,
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Square::D7 => 0x0000020020040020,
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Square::E7 => 0x0000002030018030,
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Square::F7 => 0x0000001800E08018,
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Square::G7 => 0x0000000810580050,
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Square::H7 => 0x0000000C04600050,
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Square::A8 => 0x0000001020891046,
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Square::B8 => 0x00000080090015C1,
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Square::C8 => 0x0000004005489101,
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Square::D8 => 0x0000040810204002,
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Square::E8 => 0x000C040810002022,
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Square::F8 => 0x0008000404883002,
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Square::G8 => 0x0008000400548802,
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Square::H8 => 0x0000000224104486,
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}
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}
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