Function xgboost_sys::XGDMatrixCreateFromMat_omp

pub unsafe extern "C" fn XGDMatrixCreateFromMat_omp(
    data: *const f32,
    nrow: bst_ulong,
    ncol: bst_ulong,
    missing: f32,
    out: *mut DMatrixHandle,
    nthread: c_int
) -> c_int

\brief create matrix content from dense matrix \param data pointer to the data space \param nrow number of rows \param ncol number columns \param missing which value to represent missing value \param out created dmatrix \param nthread number of threads (up to maximum cores available, if <=0 use all cores) \return 0 when success, -1 when failure happens