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Don't set Search::RootColor in Eval::trace

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Search::RootColor is a global parameter set
before to start a search, it is not something
trace() should change.

This patch allows to add trace() calls, for
debugging, inside search itself without altering
the bench, and also ensures that the values
returned by trace() and evaluate() are fully
equivalent.

No functional change.
This commit is contained in:
Marco Costalba 2013-08-11 07:02:50 +02:00
parent 94a3608ab9
commit 15616ad199
2 changed files with 5 additions and 3 deletions
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2
src/evaluate.cpp
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@ -1140,8 +1140,6 @@ Value do_evaluate(const Position& pos, Value& margin) {
std::string Tracing::do_trace(const Position& pos) {
Search::RootColor = pos.side_to_move();
stream.str("");
stream << std::showpoint << std::showpos << std::fixed << std::setprecision(2);
std::memset(scores, 0, 2 * (TOTAL + 1) * sizeof(Score));

6
src/uci.cpp
View file

@ -103,6 +103,11 @@ void UCI::loop(const string& args) {
<< "\n" << Options
<< "\nuciok" << sync_endl;
else if (token == "eval")
{
Search::RootColor = pos.side_to_move(); // Ensure it is set
sync_cout << Eval::trace(pos) << sync_endl;
}
else if (token == "ucinewgame") TT.clear();
else if (token == "go") go(pos, is);
else if (token == "position") position(pos, is);
@ -111,7 +116,6 @@ void UCI::loop(const string& args) {
else if (token == "bench") benchmark(pos, is);
else if (token == "d") sync_cout << pos.pretty() << sync_endl;
else if (token == "isready") sync_cout << "readyok" << sync_endl;
else if (token == "eval") sync_cout << Eval::trace(pos) << sync_endl;
else
sync_cout << "Unknown command: " << cmd << sync_endl;