## Uses of Class
org.apache.sysds.runtime.compress.bitmap.ABitmap

- Packages that use ABitmap
  Package | Description
  --- | ---
  org.apache.sysds.runtime.compress.bitmap |
  org.apache.sysds.runtime.compress.colgroup.dictionary |
  org.apache.sysds.runtime.compress.colgroup.mapping |

- - ### Uses of ABitmap in org.apache.sysds.runtime.compress.bitmap

    Subclasses of ABitmap in org.apache.sysds.runtime.compress.bitmap
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `Bitmap` | Uncompressed representation of one or more columns in bitmap format.
    `class` | `MultiColBitmap` | Uncompressed representation of one or more columns in bitmap format.

    Methods in org.apache.sysds.runtime.compress.bitmap that return ABitmap
    Modifier and Type | Method | Description
    --- | --- | ---
    `static ABitmap` | BitmapEncoder.`extractBitmap​(int[] colIndices, MatrixBlock rawBlock, boolean transposed, int estimatedNumberOfUniques, boolean sortedEntries)` | Generate uncompressed bitmaps for a set of columns in an uncompressed matrix block.

  - ### Uses of ABitmap in org.apache.sysds.runtime.compress.colgroup.dictionary

    Methods in org.apache.sysds.runtime.compress.colgroup.dictionary with parameters of type ABitmap
    Modifier and Type | Method | Description
    --- | --- | ---
    `static ADictionary` | DictionaryFactory.`create​(ABitmap ubm)` |
    `static ADictionary` | DictionaryFactory.`create​(ABitmap ubm, double sparsity)` |
    `static ADictionary` | DictionaryFactory.`create​(ABitmap ubm, double sparsity, boolean withZeroTuple)` |
    `static ADictionary` | DictionaryFactory.`create​(ABitmap ubm, int defaultIndex, double[] defaultTuple, double sparsity, boolean addZero)` |
    `static ADictionary` | DictionaryFactory.`createWithAppendedZeroTuple​(ABitmap ubm, double sparsity)` |

  - ### Uses of ABitmap in org.apache.sysds.runtime.compress.colgroup.mapping

    Methods in org.apache.sysds.runtime.compress.colgroup.mapping with parameters of type ABitmap
    Modifier and Type | Method | Description
    --- | --- | ---
    `static AMapToData` | MapToFactory.`create​(int size, ABitmap ubm)` |