Function xgboost_sys::XGDMatrixCreateFromCSC

pub unsafe extern "C" fn XGDMatrixCreateFromCSC(
    col_ptr: *const bst_ulong,
    indices: *const c_uint,
    data: *const f32,
    nindptr: bst_ulong,
    nelem: bst_ulong,
    out: *mut DMatrixHandle
) -> c_int

\deprecated \brief create a matrix content from CSC format \param col_ptr pointer to col headers \param indices findex \param data fvalue \param nindptr number of rows in the matrix + 1 \param nelem number of nonzero elements in the matrix \param out created dmatrix \return 0 when success, -1 when failure happens