3 Commits

Author SHA1 Message Date
Jiaming Yuan
c1786849e3
Use array interface for CSC matrix. (#8672)
* Use array interface for CSC matrix.

Use array interface for CSC matrix and align the interface with CSR and dense.

- Fix nthread issue in the R package DMatrix.
- Unify the behavior of handling `missing` with other inputs.
- Unify the behavior of handling `missing` around R, Python, Java, and Scala DMatrix.
- Expose `num_non_missing` to the JVM interface.
- Deprecate old CSR and CSC constructors.
2023-02-05 01:59:46 +08:00
Jiaming Yuan
97c3a80a34
Add C document to sphinx, fix arrow. (#8300)
- Group C API.
- Add C API sphinx doc.
- Consistent use of `OptionalArg` and the parameter name `config`.
- Remove call to deprecated functions in demo.
- Fix some formatting errors.
- Add links to c examples in the document (only visible with doxygen pages)
- Fix arrow.
2022-10-05 09:52:15 +08:00
Jiaming Yuan
e6088366df
Export Python Interface for external memory. (#7070)
* Add Python iterator interface.
* Add tests.
* Add demo.
* Add documents.
* Handle empty dataset.
2021-07-22 15:15:53 +08:00