objective.hpp File Reference

#include <cstddef>
#include <functional>
#include <memory>
#include <stdexcept>
#include <string>
#include <unordered_map>
#include <vector>
#include "pineforge/hpo/types.hpp"

Go to the source code of this file.

Classes
struct	pineforge::hpo::EvaluationPolicy
	Policies controlling exceptional arithmetic during metric-expression evaluation. More...
struct	pineforge::hpo::ExpressionEvaluation
	Non-throwing result envelope returned by MetricExpression::evaluate(). More...
class	pineforge::hpo::ExpressionError
	Parse error raised while compiling a metric expression. More...
class	pineforge::hpo::MetricExpression
	Parsed metric expression that is compiled once and evaluated repeatedly. More...
struct	pineforge::hpo::Constraint
	Named scalar feasibility constraint with an absolute non-negative tolerance. More...
struct	pineforge::hpo::ObjectiveResult
	Objective values, constraints, and diagnostics produced for one observation. More...

Namespaces
namespace	pineforge
namespace	pineforge::hpo

Typedefs
using	pineforge::hpo::MetricMap = std::unordered_map< std::string, double >
	Metric values keyed by canonical objective path.
template<typename Observation >
using	pineforge::hpo::ObjectiveFn = std::function< ObjectiveResult(const Observation &, const TrialContext &)>
	Type-erased custom objective accepting an observation and immutable trial context.

Enumerations
enum class	pineforge::hpo::DivisionByZeroPolicy { pineforge::hpo::Reject , pineforge::hpo::Ieee754 }
	Behavior when an objective expression divides by zero. More...
enum class	pineforge::hpo::NonFinitePolicy { pineforge::hpo::Reject , pineforge::hpo::Allow }
	Behavior when a metric or expression result is not finite. More...
enum class	pineforge::hpo::EvaluationError {   pineforge::hpo::None , pineforge::hpo::MissingMetric , pineforge::hpo::NonFiniteMetric , pineforge::hpo::DivisionByZero ,   pineforge::hpo::NonFiniteResult }
	Stable reason code for an invalid ExpressionEvaluation. More...
enum class	pineforge::hpo::ConstraintRelation { pineforge::hpo::LessEqual , pineforge::hpo::GreaterEqual , pineforge::hpo::Equal }
	Comparison relation applied by Constraint. More...