public static TimeSeries createMovingAverage(TimeSeries source, string name, int periodCount, int skip)
{
if (source == null)
{
string str = "Null source.";
Throwable.__\u003CsuppressFillInStackTrace\u003E();
throw new IllegalArgumentException(str);
}
else if (periodCount < 1)
{
string str = "periodCount must be greater than or equal to 1.";
Throwable.__\u003CsuppressFillInStackTrace\u003E();
throw new IllegalArgumentException(str);
}
else
{
TimeSeries timeSeries = new TimeSeries((IComparable) name);
if (source.getItemCount() > 0)
{
long num1 = source.getDataItem(0).getPeriod().getSerialIndex() + (long) skip;
int index1 = source.getItemCount() - 1;
while (index1 >= 0)
{
RegularTimePeriod period1 = source.getDataItem(index1).getPeriod();
if (period1.getSerialIndex() >= num1)
{
int num2 = 0;
double num3 = 0.0;
long num4 = period1.getSerialIndex() - (long) periodCount;
int num5 = 0;
for (int index2 = 0; num5 < periodCount && index2 == 0; ++num5)
{
if (index1 - num5 >= 0)
{
TimeSeriesDataItem dataItem = source.getDataItem(index1 - num5);
RegularTimePeriod period2 = dataItem.getPeriod();
Number number = dataItem.getValue();
if (period2.getSerialIndex() > num4)
{
if (number != null)
{
num3 += number.doubleValue();
++num2;
}
}
else
index2 = 1;
}
}
if (num2 > 0)
timeSeries.add(period1, num3 / (double) num2);
else
timeSeries.add(period1, (Number) null);
}
index1 += -1;
}
}
return timeSeries;
}
}
public static TimeSeries createPointMovingAverage(TimeSeries source, string name, int pointCount)
{
if (source == null)
{
string str = "Null 'source'.";
Throwable.__\u003CsuppressFillInStackTrace\u003E();
throw new IllegalArgumentException(str);
}
else if (pointCount < 2)
{
string str = "periodCount must be greater than or equal to 2.";
Throwable.__\u003CsuppressFillInStackTrace\u003E();
throw new IllegalArgumentException(str);
}
else
{
TimeSeries timeSeries = new TimeSeries((IComparable) name);
double num = 0.0;
for (int index = 0; index < source.getItemCount(); ++index)
{
TimeSeriesDataItem dataItem1 = source.getDataItem(index);
RegularTimePeriod period = dataItem1.getPeriod();
num += dataItem1.getValue().doubleValue();
if (index > pointCount - 1)
{
TimeSeriesDataItem dataItem2 = source.getDataItem(index - pointCount);
num -= dataItem2.getValue().doubleValue();
timeSeries.add(period, num / (double) pointCount);
}
else if (index == pointCount - 1)
timeSeries.add(period, num / (double) pointCount);
}
return timeSeries;
}
}
