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using System;
namespace Analizator9000
{
/// <summary>
/// International Match Point scoring method
/// </summary>
class ImpScorer : BaseScorer
{
/// <summary>
/// Scoring method for IMPs
/// </summary>
/// <param name="score1">Score to calculate the outcome</param>
/// <param name="score2">Score to compare to</param>
/// <returns></returns>
protected override double getResultFromScores(long score1, long score2)
{
double result = 0.0;
long difference = Math.Abs(score1 - score2); // given the absolute difference between scores...
int[] thresholds = { 20, 50, 90, 130, 170, 220, 270, 320, 370, 430, 500, 600, 750, 900, 1100, 1300, 1500, 1750, 2000, 2250, 2500, 3000, 3500, 4000 };
foreach (int t in thresholds) // ... add 1 IMP for every threshold that the difference is over
{
if (difference >= t)
{
result++;
}
}
if (score1 < score2) // if the score is worse, reverse the score
{
result = -result;
}
return result;
}
/// <summary>
/// Averging method for IMPs
/// </summary>
/// <param name="scoreCount">Number of scores in the traveller</param>
/// <returns>Number of comparisons between scores for every score (n - 1)</returns>
protected override double getDivisorFromScoreCount(int scoreCount)
{
return scoreCount - 1;
}
}
}
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