/usr/include/osl/game_playing/searchPlayer.tcc is in libosl-dev 0.8.0-1.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | /* searchPlayer.tcc
*/
#ifndef GAMEPLAYING_SEARCHPLAYER_TCC
#define GAMEPLAYING_SEARCHPLAYER_TCC
#include "osl/game_playing/searchPlayer.h"
#include "osl/game_playing/gameState.h"
#include "osl/game_playing/pvHistory.h"
#include "osl/search/searchState2.h"
#include "osl/eval/evalTraits.h"
#include "osl/container/moveStack.h"
#ifdef USE_NTESUKI
# include "osl/ntesuki/ntesukiSearcher.h"
# include "osl/ntesuki/ntesukiMoveGenerator.h"
#endif
#include <boost/scoped_ptr.hpp>
#include <boost/foreach.hpp>
#ifdef USE_NTESUKI
struct
osl::game_playing::SearchPlayer::NtesukiThread
{
explicit NtesukiThread(Move& next_move,
volatile bool *thread_finished,
volatile bool *stop_flag,
NumEffectState state);
void operator()();
Move& next_move;
volatile bool *thread_finished;
volatile bool *stop_flag;
NumEffectState state;
};
#endif
template <class Searcher>
osl::game_playing::ComputerPlayer* osl::game_playing::
SearchPlayer::cloneIt(const Searcher& copy) const
{
return new Searcher(copy);
}
template <class Searcher>
int osl::game_playing::
SearchPlayer::pawnValue()
{
typedef typename Searcher::eval_t eval_t;
return abs(eval_t::captureValue(newPtypeO(BLACK,PAWN)))/2;
}
template <class Searcher>
int osl::game_playing::
SearchPlayer::pawnValueOfTurn(Player turn)
{
return pawnValue<Searcher>() * eval::delta(turn);
}
template <class Searcher>
const osl::search::MoveWithComment osl::game_playing::
SearchPlayer::search(const GameState& state, const search::TimeAssigned& msec)
{
Searcher& searcher = dynamic_cast<Searcher&>(*this->searcher);
searcher.setRootIgnoreMoves(root_ignore_moves, prediction_for_speculative_search);
typedef typename Searcher::eval_t eval_t;
if (! eval_t::initialized())
throw std::runtime_error("evaluation function not initialized");
const MoveStack& history = state.moveHistory();
#ifdef USE_NTESUKI
volatile bool ntesuki_thread_finished;
volatile bool stop_ntesuki;
Move ntesuki_next_move = Move::INVALID();
NtesukiThread thread(ntesuki_next_move, &ntesuki_thread_finished,
&stop_ntesuki, state.state());
boost::thread ntesuki_thread(thread);
#endif
searcher.setHistory(history);
searcher.enableMultiPV(config.multi_pv_width);
for (const std::shared_ptr<search::SearchMonitor>& m: config.monitors)
searcher.addMonitor(m);
int deepening_step_for_this_move = config.deepening_step;
if (msec.standard < milliseconds::max())
{
if (toSeconds(msec.standard) < 10.0)
deepening_step_for_this_move = std::min(100, config.deepening_step);
}
searcher.setNextIterationCoefficient(config.next_iteration_coefficient);
searcher.setNodeCountHardLimit(config.node_count_hard_limit);
MoveWithComment best_move;
best_move.root = HashKey(state.state());
if (plan_stop)
return best_move;
searching = true;
best_move.move
= searcher.computeBestMoveIteratively(config.limit,
deepening_step_for_this_move,
config.initial_limit,
config.node_limit,
msec,
&best_move);
searching = false;
#ifdef USE_NTESUKI
if (ntesuki_thread_finished)
{
if (ntesuki_next_move.isNormal())
{
return ntesuki_next_move;
}
else
{
//ntesuki_finished
}
}
else
{
//force_finish
stop_ntesuki = true;
ntesuki_thread.join();
}
#endif
saveSearchResult(state, best_move);
static const int resign_value = OslConfig::resignThreshold();
if (! state.state().inCheck() && best_move.move.isNormal()
&& best_move.value*sign(state.state().turn()) < -resign_value)
{
++almost_resign_count;
if (almost_resign_count >= 3)
best_move.move = Move();
}
else
{
almost_resign_count = 0;
}
return best_move;
}
template <class Searcher>
bool osl::game_playing::
SearchPlayer::isReasonableMoveBySearch(Searcher& searcher, Move move, int pawn_sacrifice)
{
return searcher.isReasonableMove(move, pawn_sacrifice);
}
#endif /* GAMEPLAYING_SEARCHPLAYER_TCC */
// ;;; Local Variables:
// ;;; mode:c++
// ;;; c-basic-offset:2
// ;;; End:
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