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Some minor cleanup stuff

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I came across while browsing the code.

No functional change.
This commit is contained in:
mstembera 2014-03-02 23:07:57 -08:00 • committed by Marco Costalba
parent bbd69c0260
commit 553ead429d
3 changed files with 11 additions and 19 deletions
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16
src/evaluate.cpp
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@ -494,16 +494,16 @@ Value do_evaluate(const Position& pos) {
if (ei.attackedBy[Them][PAWN] & s)
score -= ThreatenedByPawn[Pt];
// Penalty for bishop with same coloured pawns
if (Pt == BISHOP)
score -= BishopPawns * ei.pi->pawns_on_same_color_squares(Us, s);
// Penalty for knight when there are few enemy pawns
if (Pt == KNIGHT)
score -= KnightPawns * std::max(5 - pos.count<PAWN>(Them), 0);
if (Pt == BISHOP || Pt == KNIGHT)
{
// Penalty for bishop with same colored pawns
if (Pt == BISHOP)
score -= BishopPawns * ei.pi->pawns_on_same_color_squares(Us, s);
// Penalty for knight when there are few enemy pawns
if (Pt == KNIGHT)
score -= KnightPawns * std::max(5 - pos.count<PAWN>(Them), 0);
// Bishop and knight outposts squares
if (!(pos.pieces(Them, PAWN) & pawn_attack_span(Us, s)))
score += evaluate_outposts<Pt, Us>(pos, ei, s);

13
src/search.cpp
View file

@ -391,8 +391,6 @@ namespace {
sync_cout << uci_pv(pos, depth, alpha, beta) << sync_endl;
}
Time::point iterationTime = Time::now() - SearchTime;
// If skill levels are enabled and time is up, pick a sub-optimal best move
if (skill.enabled() && skill.time_to_pick(depth))
skill.pick_move();
@ -417,8 +415,6 @@ namespace {
// Do we have time for the next iteration? Can we stop searching now?
if (Limits.use_time_management() && !Signals.stop && !Signals.stopOnPonderhit)
{
bool stop = false; // Local variable, not the volatile Signals.stop
// Take some extra time if the best move has changed
if (depth > 4 && depth < 50 && MultiPV == 1)
TimeMgr.pv_instability(BestMoveChanges);
@ -426,10 +422,7 @@ namespace {
// Stop the search if only one legal move is available or all
// of the available time has been used.
if ( RootMoves.size() == 1
|| iterationTime > TimeMgr.available_time() )
stop = true;
if (stop)
|| Time::now() - SearchTime > TimeMgr.available_time())
{
// If we are allowed to ponder do not stop the search now but
// keep pondering until the GUI sends "ponderhit" or "stop".
@ -663,7 +656,7 @@ namespace {
&& abs(beta) < VALUE_MATE_IN_MAX_PLY)
{
Value rbeta = std::min(beta + 200, VALUE_INFINITE);
Depth rdepth = depth - ONE_PLY - 3 * ONE_PLY;
Depth rdepth = depth - 4 * ONE_PLY;
assert(rdepth >= ONE_PLY);
assert((ss-1)->currentMove != MOVE_NONE);
@ -1016,7 +1009,7 @@ moves_loop: // When in check and at SpNode search starts from here
// case of Signals.stop or thread.cutoff_occurred() are set, but this is
// harmless because return value is discarded anyhow in the parent nodes.
// If we are in a singular extension search then return a fail low score.
// A split node has at least one move - the one tried before to be splitted.
// A split node has at least one move - the one tried before to be split.
if (!moveCount)
return excludedMove ? alpha
: inCheck ? mated_in(ss->ply) : DrawValue[pos.side_to_move()];

1
src/tt.h
View file

@ -32,7 +32,6 @@
/// value: 16 bit
/// depth: 16 bit
/// static value: 16 bit
/// static margin: 16 bit
struct TTEntry {