[−][src]Struct argmin::core::IterState
Maintains the state from iteration to iteration of a solver
Fields
param: O::Param
Current parameter vector
prev_param: O::Param
Previous parameter vector
best_param: O::Param
Current best parameter vector
prev_best_param: O::Param
Previous best parameter vector
cost: O::Float
Current cost function value
prev_cost: O::Float
Previous cost function value
best_cost: O::Float
Current best cost function value
prev_best_cost: O::Float
Previous best cost function value
target_cost: O::Float
Target cost function value
grad: Option<O::Param>
Current gradient
prev_grad: Option<O::Param>
Previous gradient
hessian: Option<O::Hessian>
Current Hessian
prev_hessian: Option<O::Hessian>
Previous Hessian
jacobian: Option<O::Jacobian>
Current Jacobian
prev_jacobian: Option<O::Jacobian>
Previous Jacobian
population: Option<Vec<(O::Param, O::Float)>>
All members for population-based algorithms as (param, cost) tuples
iter: u64
Current iteration
last_best_iter: u64
Iteration number of last best cost
max_iters: u64
Maximum number of iterations
cost_func_count: u64
Number of cost function evaluations so far
grad_func_count: u64
Number of gradient evaluations so far
hessian_func_count: u64
Number of Hessian evaluations so far
jacobian_func_count: u64
Number of Jacobian evaluations so far
modify_func_count: u64
Number of modify evaluations so far
time: Duration
Time required so far
termination_reason: TerminationReason
Reason of termination
Methods
impl<O: ArgminOp> IterState<O>
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pub fn new(param: O::Param) -> Self
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Create new IterState from param
pub fn param(&mut self, param: O::Param) -> &mut Self
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Set parameter vector. This shifts the stored parameter vector to the previous parameter vector.
pub fn best_param(&mut self, param: O::Param) -> &mut Self
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Set best paramater vector. This shifts the stored best parameter vector to the previous best parameter vector.
pub fn cost(&mut self, cost: O::Float) -> &mut Self
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Set the current cost function value. This shifts the stored cost function value to the previous cost function value.
pub fn best_cost(&mut self, cost: O::Float) -> &mut Self
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Set the current best cost function value. This shifts the stored best cost function value to the previous cost function value.
pub fn grad(&mut self, grad: O::Param) -> &mut Self
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Set gradient. This shifts the stored gradient to the previous gradient.
pub fn hessian(&mut self, hessian: O::Hessian) -> &mut Self
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Set Hessian. This shifts the stored Hessian to the previous Hessian.
pub fn jacobian(&mut self, jacobian: O::Jacobian) -> &mut Self
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Set Jacobian. This shifts the stored Jacobian to the previous Jacobian.
pub fn population(&mut self, population: Vec<(O::Param, O::Float)>) -> &mut Self
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Set population
pub fn target_cost(&mut self, target_cost: O::Float) -> &mut Self
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Set target cost value
pub fn max_iters(&mut self, max_iters: u64) -> &mut Self
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Set maximum number of iterations
pub fn last_best_iter(&mut self, last_best_iter: u64) -> &mut Self
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Set iteration number where the previous best parameter vector was found
pub fn termination_reason(
&mut self,
termination_reason: TerminationReason
) -> &mut Self
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&mut self,
termination_reason: TerminationReason
) -> &mut Self
Set termination_reason
pub fn time(&mut self, time: Duration) -> &mut Self
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Set time required so far
pub fn get_param(&self) -> O::Param
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Returns current parameter vector
pub fn get_prev_param(&self) -> O::Param
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Returns previous parameter vector
pub fn get_best_param(&self) -> O::Param
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Returns best parameter vector
pub fn get_prev_best_param(&self) -> O::Param
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Returns previous best parameter vector
pub fn get_cost(&self) -> O::Float
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Returns current cost function value
pub fn get_prev_cost(&self) -> O::Float
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Returns previous cost function value
pub fn get_best_cost(&self) -> O::Float
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Returns current best cost function value
pub fn get_prev_best_cost(&self) -> O::Float
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Returns previous best cost function value
pub fn get_target_cost(&self) -> O::Float
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Returns target cost
pub fn get_cost_func_count(&self) -> u64
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Returns current cost function evaluation count
pub fn get_grad_func_count(&self) -> u64
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Returns current gradient function evaluation count
pub fn get_hessian_func_count(&self) -> u64
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Returns current Hessian function evaluation count
pub fn get_jacobian_func_count(&self) -> u64
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Returns current Jacobian function evaluation count
pub fn get_modify_func_count(&self) -> u64
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Returns current Modify function evaluation count
pub fn get_last_best_iter(&self) -> u64
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Returns iteration number where the last best parameter vector was found
pub fn get_termination_reason(&self) -> TerminationReason
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Get termination_reason
pub fn get_time(&self) -> Duration
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Get time required so far
pub fn get_grad(&self) -> Option<O::Param>
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Returns gradient
pub fn get_prev_grad(&self) -> Option<O::Param>
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Returns previous gradient
pub fn get_hessian(&self) -> Option<O::Hessian>
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Returns current Hessian
pub fn get_prev_hessian(&self) -> Option<O::Hessian>
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Returns previous Hessian
pub fn get_jacobian(&self) -> Option<O::Jacobian>
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Returns current Jacobian
pub fn get_prev_jacobian(&self) -> Option<O::Jacobian>
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Returns previous Jacobian
pub fn get_iter(&self) -> u64
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Returns current number of iterations
pub fn get_max_iters(&self) -> u64
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Returns maximum number of iterations
pub fn get_population(&self) -> Option<&Vec<(O::Param, O::Float)>>
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Returns population
pub fn increment_iter(&mut self)
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Increment the number of iterations by one
pub fn increment_func_counts(&mut self, op: &OpWrapper<O>)
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Increment all function evaluation counts by the evaluation counts of another operator
wrapped in OpWrapper
.
pub fn set_func_counts(&mut self, op: &OpWrapper<O>)
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Set all function evaluation counts to the evaluation counts of another operator
wrapped in OpWrapper
.
pub fn increment_cost_func_count(&mut self, num: u64)
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Increment cost function evaluation count by num
pub fn increment_grad_func_count(&mut self, num: u64)
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Increment gradient function evaluation count by num
pub fn increment_hessian_func_count(&mut self, num: u64)
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Increment Hessian function evaluation count by num
pub fn increment_jacobian_func_count(&mut self, num: u64)
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Increment Jacobian function evaluation count by num
pub fn increment_modify_func_count(&mut self, num: u64)
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Increment modify function evaluation count by num
pub fn new_best(&mut self)
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Indicate that a new best parameter vector was found
pub fn is_best(&self) -> bool
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Returns whether the current parameter vector is also the best parameter vector found so far.
pub fn terminated(&self) -> bool
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Return whether the algorithm has terminated or not
Trait Implementations
impl<O: Clone + ArgminOp> Clone for IterState<O> where
O::Param: Clone,
O::Param: Clone,
O::Param: Clone,
O::Param: Clone,
O::Float: Clone,
O::Float: Clone,
O::Float: Clone,
O::Float: Clone,
O::Float: Clone,
O::Param: Clone,
O::Param: Clone,
O::Hessian: Clone,
O::Hessian: Clone,
O::Jacobian: Clone,
O::Jacobian: Clone,
O::Param: Clone,
O::Float: Clone,
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O::Param: Clone,
O::Param: Clone,
O::Param: Clone,
O::Param: Clone,
O::Float: Clone,
O::Float: Clone,
O::Float: Clone,
O::Float: Clone,
O::Float: Clone,
O::Param: Clone,
O::Param: Clone,
O::Hessian: Clone,
O::Hessian: Clone,
O::Jacobian: Clone,
O::Jacobian: Clone,
O::Param: Clone,
O::Float: Clone,
impl<O: Debug + ArgminOp> Debug for IterState<O> where
O::Param: Debug,
O::Param: Debug,
O::Param: Debug,
O::Param: Debug,
O::Float: Debug,
O::Float: Debug,
O::Float: Debug,
O::Float: Debug,
O::Float: Debug,
O::Param: Debug,
O::Param: Debug,
O::Hessian: Debug,
O::Hessian: Debug,
O::Jacobian: Debug,
O::Jacobian: Debug,
O::Param: Debug,
O::Float: Debug,
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O::Param: Debug,
O::Param: Debug,
O::Param: Debug,
O::Param: Debug,
O::Float: Debug,
O::Float: Debug,
O::Float: Debug,
O::Float: Debug,
O::Float: Debug,
O::Param: Debug,
O::Param: Debug,
O::Hessian: Debug,
O::Hessian: Debug,
O::Jacobian: Debug,
O::Jacobian: Debug,
O::Param: Debug,
O::Float: Debug,
impl<O: ArgminOp> Default for IterState<O> where
O::Param: Default,
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O::Param: Default,
impl<'de, O: ArgminOp> Deserialize<'de> for IterState<O> where
O::Param: Deserialize<'de>,
O::Param: Deserialize<'de>,
O::Param: Deserialize<'de>,
O::Param: Deserialize<'de>,
O::Float: Deserialize<'de>,
O::Float: Deserialize<'de>,
O::Float: Deserialize<'de>,
O::Float: Deserialize<'de>,
O::Float: Deserialize<'de>,
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O::Param: Deserialize<'de>,
O::Param: Deserialize<'de>,
O::Param: Deserialize<'de>,
O::Param: Deserialize<'de>,
O::Float: Deserialize<'de>,
O::Float: Deserialize<'de>,
O::Float: Deserialize<'de>,
O::Float: Deserialize<'de>,
O::Float: Deserialize<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
__D: Deserializer<'de>,
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__D: Deserializer<'de>,
impl<O: ArgminOp> KV for IterState<O>
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fn serialize(&self, _record: &Record, serializer: &mut dyn Serializer) -> Result
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impl<O: ArgminOp> Serialize for IterState<O> where
O::Param: Serialize,
O::Param: Serialize,
O::Param: Serialize,
O::Param: Serialize,
O::Float: Serialize,
O::Float: Serialize,
O::Float: Serialize,
O::Float: Serialize,
O::Float: Serialize,
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O::Param: Serialize,
O::Param: Serialize,
O::Param: Serialize,
O::Param: Serialize,
O::Float: Serialize,
O::Float: Serialize,
O::Float: Serialize,
O::Float: Serialize,
O::Float: Serialize,
Auto Trait Implementations
impl<O> RefUnwindSafe for IterState<O> where
<O as ArgminOp>::Float: RefUnwindSafe,
<O as ArgminOp>::Hessian: RefUnwindSafe,
<O as ArgminOp>::Jacobian: RefUnwindSafe,
<O as ArgminOp>::Param: RefUnwindSafe,
<O as ArgminOp>::Float: RefUnwindSafe,
<O as ArgminOp>::Hessian: RefUnwindSafe,
<O as ArgminOp>::Jacobian: RefUnwindSafe,
<O as ArgminOp>::Param: RefUnwindSafe,
impl<O> Send for IterState<O> where
<O as ArgminOp>::Float: Send,
<O as ArgminOp>::Hessian: Send,
<O as ArgminOp>::Jacobian: Send,
<O as ArgminOp>::Param: Send,
<O as ArgminOp>::Float: Send,
<O as ArgminOp>::Hessian: Send,
<O as ArgminOp>::Jacobian: Send,
<O as ArgminOp>::Param: Send,
impl<O> Sync for IterState<O> where
<O as ArgminOp>::Float: Sync,
<O as ArgminOp>::Hessian: Sync,
<O as ArgminOp>::Jacobian: Sync,
<O as ArgminOp>::Param: Sync,
<O as ArgminOp>::Float: Sync,
<O as ArgminOp>::Hessian: Sync,
<O as ArgminOp>::Jacobian: Sync,
<O as ArgminOp>::Param: Sync,
impl<O> Unpin for IterState<O> where
<O as ArgminOp>::Float: Unpin,
<O as ArgminOp>::Hessian: Unpin,
<O as ArgminOp>::Jacobian: Unpin,
<O as ArgminOp>::Param: Unpin,
<O as ArgminOp>::Float: Unpin,
<O as ArgminOp>::Hessian: Unpin,
<O as ArgminOp>::Jacobian: Unpin,
<O as ArgminOp>::Param: Unpin,
impl<O> UnwindSafe for IterState<O> where
<O as ArgminOp>::Float: UnwindSafe,
<O as ArgminOp>::Hessian: UnwindSafe,
<O as ArgminOp>::Jacobian: UnwindSafe,
<O as ArgminOp>::Param: UnwindSafe,
<O as ArgminOp>::Float: UnwindSafe,
<O as ArgminOp>::Hessian: UnwindSafe,
<O as ArgminOp>::Jacobian: UnwindSafe,
<O as ArgminOp>::Param: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,
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T: for<'de> Deserialize<'de>,
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> SendSyncRefUnwindSafeKV for T where
T: KV + Send + Sync + RefUnwindSafe + ?Sized,
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T: KV + Send + Sync + RefUnwindSafe + ?Sized,
impl<T> SendSyncUnwindSafe for T where
T: Send + Sync + UnwindSafe + ?Sized,
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T: Send + Sync + UnwindSafe + ?Sized,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,