Returns the number of rows of a matrix.


func sparse_get_matrix_number_of_rows(_ A: UnsafeMutableRawPointer!) -> sparse_dimension



The sparse matrix object.

Return Value

The number of rows of the matrix

See Also

General Sparse Matrix Management Operations

func sparse_commit(UnsafeMutableRawPointer!) -> sparse_status

Forces any values recently added to the matrix to be put into the internal sparse storage format.

func sparse_matrix_destroy(UnsafeMutableRawPointer!) -> sparse_status

Releases any memory associated with the matrix object.

func sparse_get_matrix_nonzero_count(UnsafeMutableRawPointer!) -> Int

Returns the number of nonzero values of a matrix.

func sparse_get_matrix_nonzero_count_for_row(UnsafeMutableRawPointer!, sparse_index) -> Int

Returns the number of nonzero values in a specified row of a matrix.

func sparse_get_matrix_nonzero_count_for_column(UnsafeMutableRawPointer!, sparse_index) -> Int

Returns the number of nonzero values in a specified column of a matrix.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software