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Update SEE to return a Value

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It seems more natural because the actual returned
value is from PieceValue[] array.

No functional change.
This commit is contained in:
Marco Costalba
2014-02-16 13:06:31 +01:00
parent 17ffc22279
commit 7b0a2f2a90
5 changed files with 17 additions and 15 deletions
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6
src/movepick.cpp
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@@ -193,12 +193,12 @@ void MovePicker::score<EVASIONS>() {
// is not under attack, ordered by history value, then bad-captures and quiet
// moves with a negative SEE. This last group is ordered by the SEE score.
Move m;
int seeScore;
Value seeScore;
for (ExtMove* it = moves; it != end; ++it)
{
m = it->move;
if ((seeScore = pos.see_sign(m)) < 0)
if ((seeScore = pos.see_sign(m)) < VALUE_ZERO)
it->score = seeScore - HistoryStats::Max; // At the bottom
else if (pos.capture(m))
@@ -317,7 +317,7 @@ Move MovePicker::next_move<false>() {
move = pick_best(cur++, end)->move;
if (move != ttMove)
{
if (pos.see_sign(move) >= 0)
if (pos.see_sign(move) >= VALUE_ZERO)
return move;
// Losing capture, move it to the tail of the array