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Use a more standard perft UCI interface

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Call directly 'perft 6' to search up to depth 6*OnePly
instead of the old 'perft depth 6'.

It is more in line to what other engines do. Also a bit
of cleanup while there.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2009-11-13 10:27:14 +01:00
parent 7d0e0ff95e
commit a530fc2b60
2 changed files with 16 additions and 17 deletions
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12
src/search.cpp
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@@ -333,14 +333,14 @@ namespace {
int perft(Position& pos, Depth depth)
{
Move move;
MovePicker mp = MovePicker(pos, MOVE_NONE, depth, H);
int sum = 0;
MovePicker mp = MovePicker(pos, MOVE_NONE, depth, H);
// If we are at the last ply we don't need to do and undo
// the moves, just to count them.
if (depth <= OnePly) // Replace with '<' to test also qsearch
{
while ((move = mp.get_next_move()) != MOVE_NONE) sum++;
while (mp.get_next_move()) sum++;
return sum;
}
@@ -348,10 +348,10 @@ int perft(Position& pos, Depth depth)
CheckInfo ci(pos);
while ((move = mp.get_next_move()) != MOVE_NONE)
{
StateInfo st;
pos.do_move(move, st, ci, pos.move_is_check(move, ci));
sum += perft(pos, depth - OnePly);
pos.undo_move(move);
StateInfo st;
pos.do_move(move, st, ci, pos.move_is_check(move, ci));
sum += perft(pos, depth - OnePly);
pos.undo_move(move);
}
return sum;
}