Skip to content

Commit

Permalink
Move uci_pv under UCI namespace
Browse files Browse the repository at this point in the history
That's the correct place.

No functional change.
  • Loading branch information
mcostalba committed Jan 31, 2015
1 parent 1b947aa commit bfd0f95
Show file tree
Hide file tree
Showing 2 changed files with 41 additions and 41 deletions.
81 changes: 40 additions & 41 deletions src/search.cpp
Expand Up @@ -109,7 +109,6 @@ namespace {
Value value_from_tt(Value v, int ply);
void update_pv(Move* pv, Move move, Move* childPv);
void update_stats(const Position& pos, Stack* ss, Move move, Depth depth, Move* quiets, int quietsCnt);
string uci_pv(const Position& pos, Depth depth, Value alpha, Value beta);

} // namespace

Expand Down Expand Up @@ -357,7 +356,7 @@ namespace {
if ( multiPV == 1
&& (bestValue <= alpha || bestValue >= beta)
&& Time::now() - SearchTime > 3000)
sync_cout << uci_pv(pos, depth, alpha, beta) << sync_endl;
sync_cout << UCI::pv(pos, depth, alpha, beta) << sync_endl;

// In case of failing low/high increase aspiration window and
// re-search, otherwise exit the loop.
Expand Down Expand Up @@ -390,7 +389,7 @@ namespace {
<< " time " << Time::now() - SearchTime << sync_endl;

else if (PVIdx + 1 == multiPV || Time::now() - SearchTime > 3000)
sync_cout << uci_pv(pos, depth, alpha, beta) << sync_endl;
sync_cout << UCI::pv(pos, depth, alpha, beta) << sync_endl;
}

// If skill level is enabled and time is up, pick a sub-optimal best move
Expand Down Expand Up @@ -1399,60 +1398,60 @@ namespace {
return best;
}

} // namespace

// uci_pv() formats PV information according to the UCI protocol. UCI
// requires that all (if any) unsearched PV lines are sent using a previous
// search score.

string uci_pv(const Position& pos, Depth depth, Value alpha, Value beta) {
/// UCI::pv() formats PV information according to the UCI protocol. UCI requires
/// that all (if any) unsearched PV lines are sent using a previous search score.

std::stringstream ss;
Time::point elapsed = Time::now() - SearchTime + 1;
size_t uciPVSize = std::min((size_t)Options["MultiPV"], RootMoves.size());
int selDepth = 0;
string UCI::pv(const Position& pos, Depth depth, Value alpha, Value beta) {

for (Thread* th : Threads)
if (th->maxPly > selDepth)
selDepth = th->maxPly;
std::stringstream ss;
Time::point elapsed = Time::now() - SearchTime + 1;
size_t multiPV = std::min((size_t)Options["MultiPV"], RootMoves.size());
int selDepth = 0;

for (size_t i = 0; i < uciPVSize; ++i)
{
bool updated = (i <= PVIdx);
for (Thread* th : Threads)
if (th->maxPly > selDepth)
selDepth = th->maxPly;

if (depth == ONE_PLY && !updated)
continue;
for (size_t i = 0; i < multiPV; ++i)
{
bool updated = (i <= PVIdx);

Depth d = updated ? depth : depth - ONE_PLY;
Value v = updated ? RootMoves[i].score : RootMoves[i].previousScore;
if (depth == ONE_PLY && !updated)
continue;

bool tb = TB::RootInTB && abs(v) < VALUE_MATE - MAX_PLY;
v = tb ? TB::Score : v;
Depth d = updated ? depth : depth - ONE_PLY;
Value v = updated ? RootMoves[i].score : RootMoves[i].previousScore;

if (ss.rdbuf()->in_avail()) // Not at first line
ss << "\n";
bool tb = TB::RootInTB && abs(v) < VALUE_MATE - MAX_PLY;
v = tb ? TB::Score : v;

ss << "info depth " << d / ONE_PLY
<< " seldepth " << selDepth
<< " multipv " << i + 1
<< " score " << UCI::value(v);
if (ss.rdbuf()->in_avail()) // Not at first line
ss << "\n";

if (!tb && i == PVIdx)
ss << (v >= beta ? " lowerbound" : v <= alpha ? " upperbound" : "");
ss << "info"
<< " depth " << d / ONE_PLY
<< " seldepth " << selDepth
<< " multipv " << i + 1
<< " score " << UCI::value(v);

ss << " nodes " << pos.nodes_searched()
<< " nps " << pos.nodes_searched() * 1000 / elapsed
<< " tbhits " << TB::Hits
<< " time " << elapsed
<< " pv";
if (!tb && i == PVIdx)
ss << (v >= beta ? " lowerbound" : v <= alpha ? " upperbound" : "");

for (size_t j = 0; j < RootMoves[i].pv.size(); ++j)
ss << " " << UCI::move(RootMoves[i].pv[j], pos.is_chess960());
}
ss << " nodes " << pos.nodes_searched()
<< " nps " << pos.nodes_searched() * 1000 / elapsed
<< " tbhits " << TB::Hits
<< " time " << elapsed
<< " pv";

return ss.str();
for (Move m : RootMoves[i].pv)
ss << " " << UCI::move(m, pos.is_chess960());
}

} // namespace
return ss.str();
}


/// RootMove::insert_pv_in_tt() is called at the end of a search iteration, and
Expand Down
1 change: 1 addition & 0 deletions src/uci.h
Expand Up @@ -69,6 +69,7 @@ void loop(int argc, char* argv[]);
std::string value(Value v);
std::string square(Square s);
std::string move(Move m, bool chess960);
std::string pv(const Position& pos, Depth depth, Value alpha, Value beta);
Move to_move(const Position& pos, std::string& str);

} // namespace UCI
Expand Down

0 comments on commit bfd0f95

Please sign in to comment.