Function cusparseSpMatGetSize 

pub unsafe extern "C" fn cusparseSpMatGetSize(
    spMatDescr: cusparseConstSpMatDescr_t,
    rows: *mut i64,
    cols: *mut i64,
    nnz: *mut i64,
) -> cusparseStatus_t

This function returns the sizes of the sparse matrix spMatDescr.

Parameters

• spMatDescr: Sparse matrix descriptor.
• rows: Number of rows of the sparse matrix.
• cols: Number of columns of the sparse matrix.
• nnz: Number of non-zero entries of the sparse matrix.