| Package | Description | 
|---|---|
| org.apache.sysds.runtime.compress.colgroup | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DictionaryThis dictionary class aims to encapsulate the storage and operations over unique floating point values of a column
 group. | 
| class  | QDictionaryThis dictionary class aims to encapsulate the storage and operations over unique floating point values of a column
 group. | 
| Modifier and Type | Method and Description | 
|---|---|
| abstract ADictionary | ADictionary. apply(ScalarOperator op)Applies the scalar operation on the dictionary. | 
| abstract ADictionary | ADictionary. applyScalarOp(ScalarOperator op,
             double newVal,
             int numCols)Applies the scalar operation on the dictionary. | 
| abstract ADictionary | ADictionary. clone()Returns a deep clone of the dictionary. | 
| static ADictionary | ADictionary. read(DataInput in,
    boolean lossy)The read function to instantiate the dictionary. | 
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