RsBundle  Diff

//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see  <http://www.gnu.org/licenses/>
//

//! The main bundle method solver.

use crate::{DVector, Real};
use crate::{Aggregatable, DVector, Real};
use crate::{Evaluation, FirstOrderProblem, HKWeighter, Update};

use crate::master::{BoxedMasterProblem, Error as MasterProblemError, MasterProblem, UnconstrainedMasterProblem};
use crate::master::{CplexMaster, MinimalMaster};

use log::{debug, info, warn};

                let (aggr_mins, aggr_primals): (Vec<_>, Vec<_>) =
                    aggr.into_iter().map(|m| (m.index, m.primal.unwrap())).unzip();
                let (aggr_min, aggr_coeffs) = self.master.aggregate(i, &aggr_mins).map_err(SolverError::Master)?;
                // append aggregated minorant
                self.minorants[i].push(MinorantInfo {
                    index: aggr_min,
                    multiplier: aggr_sum,
                    primal: Some(
                    primal: Some(Aggregatable::combine(aggr_coeffs.into_iter().zip(&aggr_primals))),
                        self.problem
                            .aggregate_primals(aggr_coeffs.into_iter().zip(aggr_primals.into_iter()).collect()),
                    ),
                });
            }
        }
        Ok(())
    }

    /// Perform a descent step.