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Bitbase index() from ADD to OR.

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No functional change.

Resolves #132
This commit is contained in:
mstembera 2014-11-26 07:56:48 +08:00 • committed by Gary Linscott
parent 2c52147dbf
commit fe07ae4cb4
1 changed files with 1 additions and 1 deletions
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src/bitbase.cpp
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@ -41,7 +41,7 @@ namespace {
// bit 13-14: white pawn file (from FILE_A to FILE_D) // bit 13-14: white pawn file (from FILE_A to FILE_D)
// bit 15-17: white pawn RANK_7 - rank (from RANK_7 - RANK_7 to RANK_7 - RANK_2) // bit 15-17: white pawn RANK_7 - rank (from RANK_7 - RANK_7 to RANK_7 - RANK_2)
unsigned index(Color us, Square bksq, Square wksq, Square psq) { unsigned index(Color us, Square bksq, Square wksq, Square psq) {
return wksq + (bksq << 6) + (us << 12) + (file_of(psq) << 13) + ((RANK_7 - rank_of(psq)) << 15); return wksq | (bksq << 6) | (us << 12) | (file_of(psq) << 13) | ((RANK_7 - rank_of(psq)) << 15);
} }
enum Result { enum Result {