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Retire Position::in_check()

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It is redundant with Position::checkers()

No functional change.
This commit is contained in:
Marco Costalba
2012-12-25 17:59:35 +01:00
parent 3b49aeb4f2
commit e82382703c
7 changed files with 17 additions and 22 deletions
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6
src/position.cpp
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@@ -617,7 +617,7 @@ bool Position::is_pseudo_legal(const Move m) const {
// Evasions generator already takes care to avoid some kind of illegal moves
// and pl_move_is_legal() relies on this. So we have to take care that the
// same kind of moves are filtered out here.
if (in_check())
if (checkers())
{
if (type_of(pc) != KING)
{
@@ -1144,7 +1144,7 @@ void Position::do_castle_move(Move m) {
template<bool Do>
void Position::do_null_move(StateInfo& backupSt) {
assert(!in_check());
assert(!checkers());
// Back up the information necessary to undo the null move to the supplied
// StateInfo object. Note that differently from normal case here backupSt
@@ -1428,7 +1428,7 @@ bool Position::is_draw() const {
&& (non_pawn_material(WHITE) + non_pawn_material(BLACK) <= BishopValueMg))
return true;
if (st->rule50 > 99 && (!in_check() || MoveList<LEGAL>(*this).size()))
if (st->rule50 > 99 && (!checkers() || MoveList<LEGAL>(*this).size()))
return true;
if (CheckRepetition)