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Update some comments (#973)

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Use somewhat more precise comments in a couple of places.

No functional change.
This commit is contained in:
Stéphane Nicolet
2017-01-17 14:50:03 +01:00
committed by Marco Costalba
parent de02768af7
commit 9f8f093fd6
3 changed files with 9 additions and 7 deletions
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4
src/bitboard.h
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@@ -164,7 +164,7 @@ inline Bitboard in_front_bb(Color c, Rank r) {
/// forward_bb() returns a bitboard representing all the squares along the line
/// in front of the given one, from the point of view of the given color:
/// ForwardBB[c][s] = in_front_bb(c, s) & file_bb(s)
/// ForwardBB[c][s] = in_front_bb(c, rank_of(s)) & file_bb(s)
inline Bitboard forward_bb(Color c, Square s) {
return ForwardBB[c][s];
@@ -174,7 +174,7 @@ inline Bitboard forward_bb(Color c, Square s) {
/// pawn_attack_span() returns a bitboard representing all the squares that can be
/// attacked by a pawn of the given color when it moves along its file, starting
/// from the given square:
/// PawnAttackSpan[c][s] = in_front_bb(c, s) & adjacent_files_bb(s);
/// PawnAttackSpan[c][s] = in_front_bb(c, rank_of(s)) & adjacent_files_bb(s);
inline Bitboard pawn_attack_span(Color c, Square s) {
return PawnAttackSpan[c][s];