static public CompareZone Zone(Move moveOrNull)
{
if (moveOrNull == null)
{
return(CompareZone.Null);
}
CompareZone compareZone = (CompareZone)2 - Math.Sign(moveOrNull.LengthIncrease);
return(compareZone);
}
private void MakeCheck(Move bestMove)
{
//Debug.WriteLine(string.Format("\tVaccine\t{0}", VaccineAsString.String));
double rSelfScore = SelfScore();
double rRealScore = RealScore();
CompareZone zone = Move.Zone(bestMove);
Debug.Assert(rSelfScore <= rRealScore + 1e-10);
if (zone == CompareZone.LengthIncreases)
{
double rMissing = rRealScore - rSelfScore;
if (rMissing > 1e-10)
{
Debug.WriteLine(string.Format("It looks like {0} free points are being missed. It may not be a problem if false edge unification is the cause", rMissing));
}
}
double rTotalPoints = rSelfScore + UnusedScore();
Debug.Assert(double.IsNaN(PointsInPatchTable) || Math.Abs(rTotalPoints - PointsInPatchTable) < 1e-10);
}
public static Move MaxOrNull(Move moveOrNull, Move bestMoveOrNull)
{
CompareZone zone = Zone(moveOrNull);
CompareZone bestZone = Zone(bestMoveOrNull);
if (zone > bestZone)
{
return(moveOrNull);
}
if (bestZone > zone)
{
return(bestMoveOrNull);
}
Debug.Assert(bestZone == zone);
switch (zone)
{
case CompareZone.Null:
return(null);
case CompareZone.LengthIncreases:
{
double scorePerLength = moveOrNull.ScoreImprovement / (double)moveOrNull.LengthIncrease;
double scorePerLengthBest = bestMoveOrNull.ScoreImprovement / (double)bestMoveOrNull.LengthIncrease;
if (scorePerLength > scorePerLengthBest)
{
return(moveOrNull);
}
else
{
return(bestMoveOrNull);
}
}
case CompareZone.LengthUnchanged:
{
if (moveOrNull.ScoreImprovement > bestMoveOrNull.ScoreImprovement)
{
return(moveOrNull);
}
else
{
return(bestMoveOrNull);
}
}
case CompareZone.LengthDecreases:
{
Debug.Assert(moveOrNull.ScoreImprovement == 0 && bestMoveOrNull.ScoreImprovement == 0); // real assert
if (moveOrNull.LengthIncrease < bestMoveOrNull.LengthIncrease)
{
return(moveOrNull);
}
else
{
return(bestMoveOrNull);
}
}
default:
{
SpecialFunctions.CheckCondition(false, "Unknown zone (shouldn't get here");
return(null);
}
}
}
