protected void AddInfinities(int missingInfinities, DoubleBuffer buffer)
{
RandomSamplingAssistant oldAssistant = this.samplingAssistant;
this.samplingAssistant = null; // switch off sampler
//double[] infinities = new double[missingInfinities];
Boolean even = true;
for (int i = 0; i < missingInfinities; i++)
{
if (even)
{
buffer.Values.Add(Double.MaxValue);
}
else
{
buffer.Values.Add(-Double.MaxValue);
}
//if (even) {infinities[i]=Double.MaxValue;}
//else {infinities[i]=-Double.MaxValue;}
//if (even) {this.Add(Double.MaxValue);}
//else {this.Add(-Double.MaxValue);}
even = !even;
}
//buffer.Values.addAllOfFromTo(new DoubleArrayList(infinities),0,missingInfinities-1);
//this.totalElementsFilled -= infinities;
this.samplingAssistant = oldAssistant; // switch on sampler again
}
public override void Clear()
{
base.Clear();
this.beta = 1.0;
this.weHadMoreThanOneEmptyBuffer = false;
//this.setSamplingRate(samplingRate,N);
RandomSamplingAssistant assist = this.samplingAssistant;
if (assist != null)
{
this.samplingAssistant = new RandomSamplingAssistant((long)System.Math.Floor(N / samplingRate), N, assist.RandomGenerator);
}
}
protected long N; // see method sampleNextElement()
#endregion
#region Property
#endregion
#region Constructor
/// <summary>
///
/// </summary>
/// <param name="b"></param>
/// <param name="k"></param>
/// <param name="N"></param>
/// <param name="samplingRate"></param>
/// <param name="generator"></param>
public KnownDoubleQuantileEstimator(int b, int k, long N, double samplingRate, RandomEngine generator)
{
this.samplingRate = samplingRate;
this.N = N;
if (this.samplingRate <= 1.0)
{
this.samplingAssistant = null;
}
else
{
this.samplingAssistant = new RandomSamplingAssistant((long)System.Math.Floor(N / samplingRate), N, generator);
}
SetUp(b, k);
this.Clear();
}
