#include <cassert>
#include <cstring>
-#include <iomanip>
#include <string>
-#include <sstream>
#include "move.h"
#include "movegen.h"
using std::string;
-namespace {
- const string time_string(int milliseconds);
- const string score_string(Value v);
-}
-
-
/// move_to_uci() converts a move to a string in coordinate notation
/// (g1f3, a7a8q, etc.). The only special case is castling moves, where we
/// print in the e1g1 notation in normal chess mode, and in e1h1 notation in
return san;
}
-
-
-/// pretty_pv() creates a human-readable string from a position and a PV.
-/// It is used to write search information to the log file (which is created
-/// when the UCI parameter "Use Search Log" is "true").
-
-const string pretty_pv(Position& pos, int depth, Value score, int time, Move pv[]) {
-
- const int64_t K = 1000;
- const int64_t M = 1000000;
- const int startColumn = 28;
- const size_t maxLength = 80 - startColumn;
- const string lf = string("\n") + string(startColumn, ' ');
-
- StateInfo state[PLY_MAX_PLUS_2], *st = state;
- Move* m = pv;
- string san;
- std::stringstream s;
- size_t length = 0;
-
- // First print depth, score, time and searched nodes...
- s << std::setw(2) << depth
- << std::setw(8) << score_string(score)
- << std::setw(8) << time_string(time);
-
- if (pos.nodes_searched() < M)
- s << std::setw(8) << pos.nodes_searched() / 1 << " ";
- else if (pos.nodes_searched() < K * M)
- s << std::setw(7) << pos.nodes_searched() / K << "K ";
- else
- s << std::setw(7) << pos.nodes_searched() / M << "M ";
-
- // ...then print the full PV line in short algebraic notation
- while (*m != MOVE_NONE)
- {
- san = move_to_san(pos, *m);
- length += san.length() + 1;
-
- if (length > maxLength)
- {
- length = san.length() + 1;
- s << lf;
- }
- s << san << ' ';
-
- pos.do_move(*m++, *st++);
- }
-
- // Restore original position before to leave
- while (m != pv) pos.undo_move(*--m);
-
- return s.str();
-}
-
-
-namespace {
-
- const string time_string(int millisecs) {
-
- const int MSecMinute = 1000 * 60;
- const int MSecHour = 1000 * 60 * 60;
-
- int hours = millisecs / MSecHour;
- int minutes = (millisecs % MSecHour) / MSecMinute;
- int seconds = ((millisecs % MSecHour) % MSecMinute) / 1000;
-
- std::stringstream s;
-
- if (hours)
- s << hours << ':';
-
- s << std::setfill('0') << std::setw(2) << minutes << ':' << std::setw(2) << seconds;
- return s.str();
- }
-
-
- const string score_string(Value v) {
-
- std::stringstream s;
-
- if (v >= VALUE_MATE - 200)
- s << "#" << (VALUE_MATE - v + 1) / 2;
- else if (v <= -VALUE_MATE + 200)
- s << "-#" << (VALUE_MATE + v) / 2;
- else
- s << std::setprecision(2) << std::fixed << std::showpos << float(v) / PawnValueMidgame;
-
- return s.str();
- }
-}
#include <cmath>
#include <cstring>
#include <fstream>
+#include <iomanip>
#include <iostream>
#include <sstream>
#include <vector>
using std::cout;
using std::endl;
+using std::string;
namespace {
void do_skill_level(Move* best, Move* ponder);
int current_search_time(int set = 0);
- std::string score_to_uci(Value v, Value alpha, Value beta);
- std::string speed_to_uci(int64_t nodes);
- std::string pv_to_uci(Move pv[], int pvNum, bool chess960);
- std::string depth_to_uci(Depth depth);
+ string score_to_uci(Value v, Value alpha, Value beta);
+ string speed_to_uci(int64_t nodes);
+ string pv_to_uci(Move pv[], int pvNum, bool chess960);
+ string pretty_pv(Position& pos, int depth, Value score, int time, Move pv[]);
+ string depth_to_uci(Depth depth);
void poll(const Position& pos);
void wait_for_stop_or_ponderhit();
// Look for a book move
if (Options["OwnBook"].value<bool>())
{
- if (Options["Book File"].value<std::string>() != book.name())
- book.open(Options["Book File"].value<std::string>());
+ if (Options["Book File"].value<string>() != book.name())
+ book.open(Options["Book File"].value<string>());
Move bookMove = book.get_move(pos, Options["Best Book Move"].value<bool>());
if (bookMove != MOVE_NONE)
// Write to log file and keep it open to be accessed during the search
if (Options["Use Search Log"].value<bool>())
{
- std::string name = Options["Search Log Filename"].value<std::string>();
+ string name = Options["Search Log Filename"].value<string>();
LogFile.open(name.c_str(), std::ios::out | std::ios::app);
if (LogFile.is_open())
// mate <y> Mate in y moves, not plies. If the engine is getting mated
// use negative values for y.
- std::string score_to_uci(Value v, Value alpha, Value beta) {
+ string score_to_uci(Value v, Value alpha, Value beta) {
std::stringstream s;
// speed_to_uci() returns a string with time stats of current search suitable
// to be sent to UCI gui.
- std::string speed_to_uci(int64_t nodes) {
+ string speed_to_uci(int64_t nodes) {
std::stringstream s;
int t = current_search_time();
// pv_to_uci() returns a string with information on the current PV line
// formatted according to UCI specification.
- std::string pv_to_uci(Move pv[], int pvNum, bool chess960) {
+ string pv_to_uci(Move pv[], int pvNum, bool chess960) {
std::stringstream s;
// depth_to_uci() returns a string with information on the current depth and
// seldepth formatted according to UCI specification.
- std::string depth_to_uci(Depth depth) {
+ string depth_to_uci(Depth depth) {
std::stringstream s;
return s.str();
}
+ string time_to_string(int millisecs) {
+
+ const int MSecMinute = 1000 * 60;
+ const int MSecHour = 1000 * 60 * 60;
+
+ int hours = millisecs / MSecHour;
+ int minutes = (millisecs % MSecHour) / MSecMinute;
+ int seconds = ((millisecs % MSecHour) % MSecMinute) / 1000;
+
+ std::stringstream s;
+
+ if (hours)
+ s << hours << ':';
+
+ s << std::setfill('0') << std::setw(2) << minutes << ':' << std::setw(2) << seconds;
+ return s.str();
+ }
+
+ string score_to_string(Value v) {
+
+ std::stringstream s;
+
+ if (v >= VALUE_MATE_IN_PLY_MAX)
+ s << "#" << (VALUE_MATE - v + 1) / 2;
+ else if (v <= VALUE_MATED_IN_PLY_MAX)
+ s << "-#" << (VALUE_MATE + v) / 2;
+ else
+ s << std::setprecision(2) << std::fixed << std::showpos << float(v) / PawnValueMidgame;
+
+ return s.str();
+ }
+
+ // pretty_pv() creates a human-readable string from a position and a PV.
+ // It is used to write search information to the log file (which is created
+ // when the UCI parameter "Use Search Log" is "true").
+
+ string pretty_pv(Position& pos, int depth, Value value, int time, Move pv[]) {
+
+ const int64_t K = 1000;
+ const int64_t M = 1000000;
+ const int startColumn = 28;
+ const size_t maxLength = 80 - startColumn;
+
+ StateInfo state[PLY_MAX_PLUS_2], *st = state;
+ Move* m = pv;
+ string san;
+ std::stringstream s;
+ size_t length = 0;
+
+ // First print depth, score, time and searched nodes...
+ s << set960(pos.is_chess960())
+ << std::setw(2) << depth
+ << std::setw(8) << score_to_string(value)
+ << std::setw(8) << time_to_string(time);
+
+ if (pos.nodes_searched() < M)
+ s << std::setw(8) << pos.nodes_searched() / 1 << " ";
+ else if (pos.nodes_searched() < K * M)
+ s << std::setw(7) << pos.nodes_searched() / K << "K ";
+ else
+ s << std::setw(7) << pos.nodes_searched() / M << "M ";
+
+ // ...then print the full PV line in short algebraic notation
+ while (*m != MOVE_NONE)
+ {
+ san = move_to_san(pos, *m);
+ length += san.length() + 1;
+
+ if (length > maxLength)
+ {
+ length = san.length() + 1;
+ s << "\n" + string(startColumn, ' ');
+ }
+ s << san << ' ';
+
+ pos.do_move(*m++, *st++);
+ }
+
+ // Restore original position before to leave
+ while (m != pv) pos.undo_move(*--m);
+
+ return s.str();
+ }
// poll() performs two different functions: It polls for user input, and it
// looks at the time consumed so far and decides if it's time to abort the
if (input_available())
{
// We are line oriented, don't read single chars
- std::string command;
+ string command;
if (!std::getline(std::cin, command) || command == "quit")
{
void wait_for_stop_or_ponderhit() {
- std::string command;
+ string command;
// Wait for a command from stdin
while ( std::getline(std::cin, command)
projects / stockfish / commitdiff