public virtual double Remove(K1 o1, K2 o2)
{
ClassicCounter <K2> c = GetCounter(o1);
double oldCount = GetCount(o1, o2);
total -= oldCount;
c.Remove(o2);
if (c.Size() == 0)
{
Sharpen.Collections.Remove(map, o1);
}
return(oldCount);
}
public virtual void Clean()
{
foreach (K1 key1 in Generics.NewHashSet(map.Keys))
{
ClassicCounter <K2> c = map[key1];
foreach (K2 key2 in Generics.NewHashSet(c.KeySet()))
{
if (SloppyMath.IsCloseTo(0.0, c.GetCount(key2)))
{
c.Remove(key2);
}
}
if (c.KeySet().IsEmpty())
{
Sharpen.Collections.Remove(map, key1);
}
}
}