public WSum(int period)
{
lastBar = -1;
bars = 0;
sum = 0;
value = new double[this.period = Math.Max(period, 1)];
set = set_startup;
}
public WSum(int period)
{
lastBar = -1;
bars = 0;
sum = 0;
value = new double[this.period = Math.Max(period, 1)];
set = set_startup;
}
private double set_startup(double curVal, int barNum)
{
if ( barNum == lastBar )
sum -= value[barNum % period] * bars;
else {
lastBar = barNum;
if ( ++bars == period )
set = set_running;
}
return sum += (value[barNum % period] = curVal) * bars;
}
private double set_startup(double curVal, int barNum)
{
if (barNum == lastBar)
{
sum -= value[barNum % period] * bars;
}
else
{
lastBar = barNum;
if (++bars == period)
{
set = set_running;
}
}
return(sum += (value[barNum % period] = curVal) * bars);
}
