/// <summary>
/// Add all samples stored in another QuantileEstimator, compacting them as necessary.
/// </summary>
/// <param name="that"></param>
public void Add(QuantileEstimator that)
{
if (that == this)
{
throw new ArgumentException("Argument is the same object as this", nameof(that));
}
// Add the samples stored in all buffers, in increasing height.
int height = that.lowestBufferHeight;
for (int bufferIndex = that.lowestBufferIndex; ; height++)
{
double[] buffer = that.buffers[bufferIndex];
int count = that.countInBuffer[bufferIndex];
for (int i = 0; i < count; i++)
{
AddAtHeight(buffer[i], height);
}
bufferIndex = (bufferIndex + 1) % that.buffers.Length;
if (bufferIndex == that.lowestBufferIndex)
{
break;
}
}
Add(that.nextSample, that.reservoirCount);
}
/// <summary>
/// Returns true if that contains the same information as this.
/// </summary>
/// <param name="that"></param>
/// <returns></returns>
public bool ValueEquals(QuantileEstimator that)
{
return((this.MaximumError == that.MaximumError) &&
Util.JaggedValueEquals(this.buffers, that.buffers) &&
Util.ValueEquals(this.countInBuffer, that.countInBuffer) &&
(this.lowestBufferIndex == that.lowestBufferIndex) &&
(this.lowestBufferHeight == that.lowestBufferHeight) &&
(this.nextSample == that.nextSample) &&
(this.reservoirCount == that.reservoirCount));
}
