Go Library: GoUtil.cpp Source File

00001 //----------------------------------------------------------------------------
00002 /** @file GoUtil.cpp
00003     See GoUtil.h
00004 */
00005 //----------------------------------------------------------------------------
00006 
00007 #include "SgSystem.h"
00008 #include "GoUtil.h"
00009 
00010 #include <cmath>
00011 #include <iomanip>
00012 #include <sstream>
00013 
00014 using namespace std;
00015 
00016 //----------------------------------------------------------------------------
00017 
00018 std::string GoUtil::ScoreToString(float score)
00019 {
00020     bool blackWin = (score > 0);
00021     score = fabs(score);
00022     const float epsilon = 0.01f;
00023     if (score < epsilon)
00024         return "0";
00025     ostringstream out;
00026     bool isFractional = (fabs(static_cast<int>(score) - score) > epsilon);
00027     int precision = (isFractional ? 1 : 0);
00028     out << (blackWin ? "B+" : "W+") << fixed << setprecision(precision)
00029         << score;
00030     return out.str();
00031 }
00032 
00033 //----------------------------------------------------------------------------