| class  | And |  | 
| class  | BitwAnd |  | 
| class  | BitwOr |  | 
| class  | BitwShiftL |  | 
| class  | BitwShiftR |  | 
| class  | BitwXor |  | 
| class  | Builtin | Class with pre-defined set of objects. | 
| class  | CM | GENERAL NOTE:
 * 05/28/2014: We decided to do handle weights consistently to SPSS in an operation-specific manner, 
   i.e., we (1) round instead of casting where required (e.g. | 
| class  | COV | GENERAL NOTE:
 * 05/28/2014: We decided to do handle weights consistently to SPSS in an operation-specific manner, 
   i.e., we (1) round instead of casting where required (e.g. | 
| class  | CTable |  | 
| class  | DiagIndex |  | 
| class  | Divide |  | 
| class  | Equals |  | 
| class  | GreaterThan |  | 
| class  | GreaterThanEquals |  | 
| class  | IfElse |  | 
| class  | IndexFunction |  | 
| class  | IntegerDivide |  | 
| class  | KahanFunction | Runtime function type to perform the summation of values using
 the Kahan summation algorithm. | 
| class  | KahanPlus |  | 
| class  | KahanPlusSq | Runtime function to perform the summation of squared values using
 the Kahan summation algorithm. | 
| class  | LessThan |  | 
| class  | LessThanEquals |  | 
| class  | Mean |  | 
| class  | Minus |  | 
| class  | Minus1Multiply |  | 
| class  | MinusMultiply |  | 
| class  | MinusNz |  | 
| class  | Modulus | Integer modulus, where we adhere to the defined R semantics:
 
 ("%% indicates x mod y and %/% indicates integer division. | 
| class  | Multiply |  | 
| class  | Multiply2 |  | 
| class  | Not |  | 
| class  | NotEquals |  | 
| class  | OffsetColumnIndex |  | 
| class  | Or |  | 
| class  | ParameterizedBuiltin | Function object for builtin function that takes a list of name=value parameters. | 
| class  | Plus |  | 
| class  | PlusMultiply |  | 
| class  | Power |  | 
| class  | Power2 |  | 
| class  | ReduceAll |  | 
| class  | ReduceCol |  | 
| class  | ReduceDiag |  | 
| class  | ReduceRow |  | 
| class  | RevIndex |  | 
| class  | SortIndex | This index function is NOT used for actual sorting but just as a reference
 in ReorgOperator in order to identify sort operations. | 
| class  | SwapIndex |  | 
| class  | TernaryValueFunction |  | 
| class  | ValueComparisonFunction | Abstraction for comparison (relational) operators in order to 
 force a proper implementation by all relevant subclasses. | 
| class  | ValueFunction |  | 
| class  | Xor |  |