public void Remove(ValueTuple values)
{
var value = values.Value0;
var weight = values.Value1;
_sum -= value * weight;
_weightSum -= weight;
}
public void Add(ValueTuple values)
{
var value = values.Value0;
var weight = values.Value1;
_sum += value * weight;
_weightSum += weight;
}
public void Update(ValueTuple oldValues, PropertyMetadata property, decimal newValue)
{
Debug.Assert(property == _valueProperty || property == _weightProperty);
var oldValue = oldValues.Value0;
var oldWeight = oldValues.Value1;
if (property == _valueProperty) {
_sum += (newValue - oldValue) * oldWeight;
}
else {
_sum += oldValue * (newValue - oldWeight);
_weightSum += newValue - oldWeight;
}
}
public void Update(ValueTuple oldValues, PropertyMetadata property, decimal newValue)
{
Debug.Assert(_property == property);
Value = Value - oldValues.Value0 + newValue;
}
public void Remove(ValueTuple values)
{
Value -= values.Value0;
}
public void Add(ValueTuple values)
{
Value += values.Value0;
}
public void Remove(ValueTuple values)
{
_sum -= values.Value0;
_count--;
}
public void Add(ValueTuple values)
{
_sum += values.Value0;
_count++;
}
