public override void Update(object[] expressions, IErrorContext iErrorContext)
{
object obj = expressions[0];
AspNetCore.ReportingServices.ReportProcessing.DataAggregate.DataTypeCode typeCode = DataAggregate.GetTypeCode(obj);
if (!DataAggregate.IsNull(typeCode))
{
if (!DataTypeUtility.IsNumeric(typeCode))
{
iErrorContext.Register(ProcessingErrorCode.rsAggregateOfNonNumericData, Severity.Warning);
throw new ReportProcessingException(ErrorCode.rsInvalidOperation);
}
DataAggregate.ConvertToDoubleOrDecimal(typeCode, obj, out typeCode, out obj);
if (this.m_expressionType == AspNetCore.ReportingServices.ReportProcessing.DataAggregate.DataTypeCode.Null)
{
this.m_expressionType = typeCode;
}
else if (typeCode != this.m_expressionType)
{
iErrorContext.Register(ProcessingErrorCode.rsAggregateOfMixedDataTypes, Severity.Warning);
throw new ReportProcessingException(ErrorCode.rsInvalidOperation);
}
object obj2 = DataAggregate.Square(typeCode, obj);
if (this.m_sumOfX == null)
{
this.m_sumOfXType = typeCode;
this.m_sumOfX = obj;
this.m_sumOfXSquared = obj2;
}
else
{
this.m_sumOfX = DataAggregate.Add(this.m_sumOfXType, this.m_sumOfX, typeCode, obj);
this.m_sumOfXSquared = DataAggregate.Add(this.m_sumOfXType, this.m_sumOfXSquared, typeCode, obj2);
}
this.m_currentCount += 1u;
}
}
