public override void Update(object[] expressions, IErrorContext iErrorContext)
{
Global.Tracer.Assert(null != expressions);
Global.Tracer.Assert(1 == expressions.Length);
object obj = expressions[0];
DataTypeCode typeCode = DataAggregate.GetTypeCode(obj);
if (!DataAggregate.IsNull(typeCode))
{
if (!DataTypeUtility.IsNumeric(typeCode))
{
iErrorContext.Register(ProcessingErrorCode.rsAggregateOfNonNumericData, Severity.Warning);
throw new InvalidOperationException();
}
if (this.m_expressionType == DataTypeCode.Null)
{
this.m_expressionType = typeCode;
}
else if (typeCode != this.m_expressionType)
{
iErrorContext.Register(ProcessingErrorCode.rsAggregateOfMixedDataTypes, Severity.Warning);
throw new InvalidOperationException();
}
DataAggregate.ConvertToDoubleOrDecimal(typeCode, obj, out typeCode, out obj);
if (this.m_currentTotal == null)
{
this.m_currentTotalType = typeCode;
this.m_currentTotal = obj;
}
else
{
this.m_currentTotal = DataAggregate.Add(this.m_currentTotalType, this.m_currentTotal, typeCode, obj);
}
}
}
public static DataAggregate.DataTypeCode CommonNumericDenominator(DataAggregate.DataTypeCode x, DataAggregate.DataTypeCode y)
{
if (DataTypeUtility.IsNumeric(x) && DataTypeUtility.IsNumeric(y))
{
if (x == y)
{
return(x);
}
if (DataTypeUtility.IsSigned(x) && DataTypeUtility.IsSigned(y))
{
if (DataAggregate.DataTypeCode.Int64 != x && DataAggregate.DataTypeCode.Int64 != y)
{
return(DataAggregate.DataTypeCode.Int32);
}
return(DataAggregate.DataTypeCode.Int64);
}
if (DataTypeUtility.IsUnsigned(x) && DataTypeUtility.IsUnsigned(y))
{
if (DataAggregate.DataTypeCode.UInt64 != x && DataAggregate.DataTypeCode.UInt64 != y)
{
return(DataAggregate.DataTypeCode.UInt32);
}
return(DataAggregate.DataTypeCode.UInt64);
}
if (DataTypeUtility.IsFloat(x) && DataTypeUtility.IsFloat(y))
{
return(DataAggregate.DataTypeCode.Double);
}
if (DataTypeUtility.IsSigned(x) && DataTypeUtility.IsUnsigned(y))
{
return(DataTypeUtility.CommonDataTypeSignedUnsigned(x, y));
}
if (DataTypeUtility.IsUnsigned(x) && DataTypeUtility.IsSigned(y))
{
return(DataTypeUtility.CommonDataTypeSignedUnsigned(y, x));
}
if (DataTypeUtility.Is32BitOrLess(x) && DataTypeUtility.IsFloat(y))
{
goto IL_00b6;
}
if (DataTypeUtility.Is32BitOrLess(y) && DataTypeUtility.IsFloat(x))
{
goto IL_00b6;
}
if (DataTypeUtility.Is64BitOrLess(x) && DataAggregate.DataTypeCode.Decimal == y)
{
goto IL_00d3;
}
if (DataTypeUtility.Is64BitOrLess(y) && DataAggregate.DataTypeCode.Decimal == x)
{
goto IL_00d3;
}
return(DataAggregate.DataTypeCode.Null);
}
return(DataAggregate.DataTypeCode.Null);
IL_00b6:
return(DataAggregate.DataTypeCode.Double);
IL_00d3:
return(DataAggregate.DataTypeCode.Decimal);
}
