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/// The minimal bundle solver.
pub type NoBundleSolver<P> = Solver<P, StandardTerminator, HKWeighter, crate::master::MinimalMasterBuilder>;
/// Error raised by the parallel bundle [`Solver`].
#[derive(Debug, Error)]
#[non_exhaustive]
pub enum Error<PErr, MErr>
where
PErr: 'static,
MErr: 'static,
{
#[error("master problem creation failed")]
BuildMaster(#[source] MErr),
#[error("error solving the master problem")]
Master(#[source] MasterError<PErr, MErr>),
#[error("iteration limit ({limit}) has been reached")]
IterationLimit { limit: usize },
#[error("problem evaluation failed")]
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/// The minimal bundle solver.
pub type NoBundleSolver<P> = Solver<P, StandardTerminator, HKWeighter, crate::master::MinimalMasterBuilder>;
/// Error raised by the parallel bundle [`Solver`].
#[derive(Debug, Error)]
#[non_exhaustive]
pub enum Error<PErr, MErr> {
#[error("master problem creation failed")]
BuildMaster(#[source] MErr),
#[error("error solving the master problem")]
Master(#[source] MasterError<PErr, MErr>),
#[error("iteration limit ({limit}) has been reached")]
IterationLimit { limit: usize },
#[error("problem evaluation failed")]
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<P as FirstOrderProblem>::Err,
<<M as MasterBuilder<<P as FirstOrderProblem>::Minorant>>::MasterProblem as MasterProblem<
<P as FirstOrderProblem>::Minorant,
>>::Err,
>,
>;
impl<PErr, MErr> From<MasterError<PErr, MErr>> for Error<PErr, MErr>
where
PErr: 'static,
MErr: 'static,
{
fn from(err: MasterError<PErr, MErr>) -> Error<PErr, MErr> {
Error::Master(err)
}
}
impl<PErr, MErr> From<RecvError> for Error<PErr, MErr>
where
PErr: 'static,
MErr: 'static,
{
fn from(err: RecvError) -> Error<PErr, MErr> {
Error::DisconnectedReceiver(err)
}
}
#[derive(Debug, Clone)]
pub struct Parameters {
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<P as FirstOrderProblem>::Err,
<<M as MasterBuilder<<P as FirstOrderProblem>::Minorant>>::MasterProblem as MasterProblem<
<P as FirstOrderProblem>::Minorant,
>>::Err,
>,
>;
impl<PErr, MErr> From<MasterError<PErr, MErr>> for Error<PErr, MErr> {
fn from(err: MasterError<PErr, MErr>) -> Error<PErr, MErr> {
Error::Master(err)
}
}
impl<PErr, MErr> From<RecvError> for Error<PErr, MErr> {
fn from(err: RecvError) -> Error<PErr, MErr> {
Error::DisconnectedReceiver(err)
}
}
#[derive(Debug, Clone)]
pub struct Parameters {
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}
/// Implementation of a parallel bundle method.
pub struct Solver<P, T = StandardTerminator, W = HKWeighter, M = crate::master::FullMasterBuilder>
where
P: FirstOrderProblem,
M: MasterBuilder<P::Minorant>,
P::Err: 'static,
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}
/// Implementation of a parallel bundle method.
pub struct Solver<P, T = StandardTerminator, W = HKWeighter, M = crate::master::FullMasterBuilder>
where
P: FirstOrderProblem,
M: MasterBuilder<P::Minorant>,
{
/// Parameters for the solver.
pub params: Parameters,
/// Termination predicate.
pub terminator: T,
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/// This is actually the time of the last call to `Solver::init`.
start_time: Instant,
}
impl<P, T, W, M> Solver<P, T, W, M>
where
P: FirstOrderProblem,
P::Err: Send + 'static,
T: Terminator<SolverData> + Default,
W: Weighter<SolverData> + Default,
M: MasterBuilder<P::Minorant>,
{
/// Create a new parallel bundle solver.
pub fn new(problem: P) -> Self
where
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/// This is actually the time of the last call to `Solver::init`.
start_time: Instant,
}
impl<P, T, W, M> Solver<P, T, W, M>
where
P: FirstOrderProblem,
P::Err: Send,
T: Terminator<SolverData> + Default,
W: Weighter<SolverData> + Default,
M: MasterBuilder<P::Minorant>,
{
/// Create a new parallel bundle solver.
pub fn new(problem: P) -> Self
where
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