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new pos/bb funcs, legal(), better castling gen, etc. [see commit details]

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- new sq_pinners
- new pseudo_is_legal() (unfinished)
- improve castling pseudo move gen

- more position and lower level bitboard helper funcs:
  - pos_{_occ,between_occ,between_count,pinners}
  - bb_{rank,file,rel_rank,_sq_aligned,_sq_between)
- rename some bitboard globals
- replace bb ranks/files enums with defines (issue with clang)
  -> Need to find a way to use enum safely
- tests:
  - add common-test.h
  - new attack-test.c
This commit is contained in:
Bruno Raoult
2024-03-07 10:50:19 +01:00
parent b351d198b8
commit 87e7695873
20 changed files with 913 additions and 373 deletions
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16
test/bitboard-test.c
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@@ -30,29 +30,29 @@ int main(int __unused ac, __unused char**av)
"sliding", "diagonal", "antidiagonal", "file", "rank", "knight",
"king"
);
bitboard_print_multi(str, 7,
bb_file[i] | bb_rank[i] |
bb_diag[i] | bb_anti[i],
bb_diag[i], bb_anti[i],
bb_file[i], bb_rank[i],
bb_print_multi(str, 7,
bb_sqfile[i] | bb_sqrank[i] |
bb_sqdiag[i] | bb_sqanti[i],
bb_sqdiag[i], bb_sqanti[i],
bb_sqfile[i], bb_sqrank[i],
bb_knight[i], bb_king[i]);
}
sprintf(str, "between: %-22s%-22s%-22s%-22s%-22s%-22s",
"a1-a8", "a1-h8", "a1-h1", "a2-a7", "a2-g7", "a2-g2");
bitboard_print_multi(str, 6,
bb_print_multi(str, 6,
bb_between[A1][A8], bb_between[A1][H8],
bb_between[A1][H1], bb_between[A2][A7],
bb_between[A2][G7], bb_between[A2][G2]);
sprintf(str, "between: %-22s%-22s%-22s%-22s%-22s%-22s%-22s%-22s",
"c3-c6", "c3-f6", "c3-f3", "c3-e1", "c3-c1", "c3-a1", "c3-a3", "c3-a5");
bitboard_print_multi(str, 8,
bb_print_multi(str, 8,
bb_between[C3][C6], bb_between[C3][F6],
bb_between[C3][F3], bb_between[C3][E1],
bb_between[C3][C1], bb_between[C3][A1],
bb_between[C3][A3], bb_between[C3][A5]);
sprintf(str, "between: %-22s%-22s%-22s%-22s%-22s%-22s%-22s%-22s",
"c4-c6", "c4-f6", "c4-f3", "c4-e1", "c4-c1", "c4-a1", "c4-a3", "c4-a5");
bitboard_print_multi(str, 8,
bb_print_multi(str, 8,
bb_between[C4][C6], bb_between[C4][F6],
bb_between[C4][F3], bb_between[C4][E1],
bb_between[C4][C1], bb_between[C4][A1],