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Unify MovePickerExt template parameters

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2011-05-28 12:57:36 +01:00
parent 013dc43d5d
commit 8f51f09de7
1 changed files with 15 additions and 11 deletions
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24
src/search.cpp
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@ -96,7 +96,7 @@ namespace {
// MovePickerExt template class extends MovePicker and allows to choose at compile // MovePickerExt template class extends MovePicker and allows to choose at compile
// time the proper moves source according to the type of node. In the default case // time the proper moves source according to the type of node. In the default case
// we simply create and use a standard MovePicker object. // we simply create and use a standard MovePicker object.
template<bool SpNode, bool Root> struct MovePickerExt : public MovePicker { template<NodeType> struct MovePickerExt : public MovePicker {
MovePickerExt(const Position& p, Move ttm, Depth d, const History& h, SearchStack* ss, Value b) MovePickerExt(const Position& p, Move ttm, Depth d, const History& h, SearchStack* ss, Value b)
: MovePicker(p, ttm, d, h, ss, b) {} : MovePicker(p, ttm, d, h, ss, b) {}
@ -105,19 +105,23 @@ namespace {
}; };
// In case of a SpNode we use split point's shared MovePicker object as moves source // In case of a SpNode we use split point's shared MovePicker object as moves source
template<> struct MovePickerExt<true, false> : public MovePicker { template<> struct MovePickerExt<SplitPointNonPV> : public MovePickerExt<NonPV> {
MovePickerExt(const Position& p, Move ttm, Depth d, const History& h, SearchStack* ss, Value b) MovePickerExt(const Position& p, Move ttm, Depth d, const History& h, SearchStack* ss, Value b)
: MovePicker(p, ttm, d, h, ss, b), mp(ss->sp->mp) {} : MovePickerExt<NonPV>(p, ttm, d, h, ss, b), mp(ss->sp->mp) {}
Move get_next_move() { return mp->get_next_move(); } Move get_next_move() { return mp->get_next_move(); }
RootMoveList::iterator rm; // Dummy, needed to compile
MovePicker* mp; MovePicker* mp;
}; };
template<> struct MovePickerExt<SplitPointPV> : public MovePickerExt<SplitPointNonPV> {
MovePickerExt(const Position& p, Move ttm, Depth d, const History& h, SearchStack* ss, Value b)
: MovePickerExt<SplitPointNonPV>(p, ttm, d, h, ss, b) {}
};
// In case of a Root node we use RootMoveList as moves source // In case of a Root node we use RootMoveList as moves source
template<> struct MovePickerExt<false, true> : public MovePicker { template<> struct MovePickerExt<Root> : public MovePicker {
MovePickerExt(const Position&, Move, Depth, const History&, SearchStack*, Value); MovePickerExt(const Position&, Move, Depth, const History&, SearchStack*, Value);
Move get_next_move(); Move get_next_move();
@ -876,7 +880,7 @@ namespace {
split_point_start: // At split points actual search starts from here split_point_start: // At split points actual search starts from here
// Initialize a MovePicker object for the current position // Initialize a MovePicker object for the current position
MovePickerExt<SpNode, RootNode> mp(pos, ttMove, depth, H, ss, (PvNode ? -VALUE_INFINITE : beta)); MovePickerExt<NT> mp(pos, ttMove, depth, H, ss, PvNode ? -VALUE_INFINITE : beta);
CheckInfo ci(pos); CheckInfo ci(pos);
Bitboard pinned = pos.pinned_pieces(pos.side_to_move()); Bitboard pinned = pos.pinned_pieces(pos.side_to_move());
ss->bestMove = MOVE_NONE; ss->bestMove = MOVE_NONE;
@ -895,7 +899,7 @@ split_point_start: // At split points actual search starts from here
} }
// Step 10. Loop through moves // Step 10. Loop through moves
// Loop through all legal moves until no moves remain or a beta cutoff occurs // Loop through all pseudo-legal moves until no moves remain or a beta cutoff occurs
while ( bestValue < beta while ( bestValue < beta
&& (move = mp.get_next_move()) != MOVE_NONE && (move = mp.get_next_move()) != MOVE_NONE
&& !Threads[threadID].cutoff_occurred()) && !Threads[threadID].cutoff_occurred())
@ -2077,7 +2081,7 @@ split_point_start: // At split points actual search starts from here
} }
// Specializations for MovePickerExt in case of Root node // Specializations for MovePickerExt in case of Root node
MovePickerExt<false, true>::MovePickerExt(const Position& p, Move ttm, Depth d, MovePickerExt<Root>::MovePickerExt(const Position& p, Move ttm, Depth d,
const History& h, SearchStack* ss, Value b) const History& h, SearchStack* ss, Value b)
: MovePicker(p, ttm, d, h, ss, b), firstCall(true) { : MovePicker(p, ttm, d, h, ss, b), firstCall(true) {
Move move; Move move;
@ -2099,7 +2103,7 @@ split_point_start: // At split points actual search starts from here
rm = Rml.begin(); rm = Rml.begin();
} }
Move MovePickerExt<false, true>::get_next_move() { Move MovePickerExt<Root>::get_next_move() {
if (!firstCall) if (!firstCall)
++rm; ++rm;