/// <summary>
/// Adds all symbols and their frequencies of the given histogram to this histogram.
/// </summary>
/// <param name="histogram"> A symbol histogram. </param>
public void Add(HistogramSymbol histogram)
{
for (int i = 0; i < histogram.Count; i++)
{
Symbol symbol = histogram[i];
Add(symbol, histogram.HistoValue(i));
}
}
