| Class and Description | 
|---|
| ColGroup Class that stores information about a column group within a compressed matrix block. | 
| ColGroup.CompressionType Public Group types supported
 
 Note For instance DDC is called DDC not DDC1, or DDC2 which is a specific subtype of the DDC. | 
| Class and Description | 
|---|
| ADictionary This dictionary class aims to encapsulate the storage and operations over unique floating point values of a column
 group. | 
| ColGroup Class that stores information about a column group within a compressed matrix block. | 
| ColGroup.CompressionType Public Group types supported
 
 Note For instance DDC is called DDC not DDC1, or DDC2 which is a specific subtype of the DDC. | 
| ColGroupDDC Class to encapsulate information about a column group that is encoded with dense dictionary encoding (DDC). | 
| ColGroupOffset Base class for column groups encoded with various types of bitmap encoding. | 
| ColGroupValue Base class for column groups encoded with value dictionary. | 
| Dictionary This dictionary class aims to encapsulate the storage and operations over unique floating point values of a column
 group. | 
| QDictionary This dictionary class aims to encapsulate the storage and operations over unique floating point values of a column
 group. | 
| Class and Description | 
|---|
| ColGroup.CompressionType Public Group types supported
 
 Note For instance DDC is called DDC not DDC1, or DDC2 which is a specific subtype of the DDC. | 
| Class and Description | 
|---|
| ColGroup Class that stores information about a column group within a compressed matrix block. | 
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