ROL
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Provides the interface to compute augmented Lagrangian steps. More...
#include <ROL_AugmentedLagrangianStep.hpp>
Public Member Functions | |
~AugmentedLagrangianStep () | |
AugmentedLagrangianStep (Teuchos::ParameterList &parlist) | |
void | initialize (Vector< Real > &x, const Vector< Real > &g, Vector< Real > &l, const Vector< Real > &c, Objective< Real > &obj, EqualityConstraint< Real > &con, BoundConstraint< Real > &bnd, AlgorithmState< Real > &algo_state) |
Initialize step with equality constraint. More... | |
void | compute (Vector< Real > &s, const Vector< Real > &x, const Vector< Real > &l, Objective< Real > &obj, EqualityConstraint< Real > &con, BoundConstraint< Real > &bnd, AlgorithmState< Real > &algo_state) |
Compute step (equality and bound constraints). More... | |
void | update (Vector< Real > &x, Vector< Real > &l, const Vector< Real > &s, Objective< Real > &obj, EqualityConstraint< Real > &con, BoundConstraint< Real > &bnd, AlgorithmState< Real > &algo_state) |
Update step, if successful (equality and bound constraints). More... | |
std::string | printHeader (void) const |
Print iterate header. More... | |
std::string | printName (void) const |
Print step name. More... | |
std::string | print (AlgorithmState< Real > &algo_state, bool pHeader=false) const |
Print iterate status. More... | |
void | compute (Vector< Real > &s, const Vector< Real > &x, Objective< Real > &obj, BoundConstraint< Real > &con, AlgorithmState< Real > &algo_state) |
Compute step for bound constraints; here only to satisfy the interface requirements, does nothing, needs refactoring. More... | |
void | update (Vector< Real > &x, const Vector< Real > &s, Objective< Real > &obj, BoundConstraint< Real > &con, AlgorithmState< Real > &algo_state) |
Update step, for bound constraints; here only to satisfy the interface requirements, does nothing, needs refactoring. More... | |
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virtual | ~Step () |
Step (void) | |
virtual void | initialize (Vector< Real > &x, const Vector< Real > &g, Objective< Real > &obj, BoundConstraint< Real > &con, AlgorithmState< Real > &algo_state) |
Initialize step with bound constraint. More... | |
virtual void | initialize (Vector< Real > &x, const Vector< Real > &s, const Vector< Real > &g, Objective< Real > &obj, BoundConstraint< Real > &con, AlgorithmState< Real > &algo_state) |
Initialize step with bound constraint. More... | |
virtual void | initialize (Vector< Real > &x, const Vector< Real > &g, Vector< Real > &l, const Vector< Real > &c, Objective< Real > &obj, EqualityConstraint< Real > &con, AlgorithmState< Real > &algo_state) |
Initialize step with equality constraint. More... | |
virtual void | compute (Vector< Real > &s, const Vector< Real > &x, const Vector< Real > &l, Objective< Real > &obj, EqualityConstraint< Real > &con, AlgorithmState< Real > &algo_state) |
Compute step (equality constraints). More... | |
virtual void | update (Vector< Real > &x, Vector< Real > &l, const Vector< Real > &s, Objective< Real > &obj, EqualityConstraint< Real > &con, AlgorithmState< Real > &algo_state) |
Update step, if successful (equality constraints). More... | |
virtual Teuchos::RCP< const StepState< Real > > | getStepState (void) const |
Get state for step object. More... | |
Private Member Functions | |
Real | computeGradient (Vector< Real > &g, const Vector< Real > &x, const Real mu, BoundConstraint< Real > &bnd) |
Private Attributes | |
Teuchos::RCP< AugmentedLagrangian< Real > > | augLag_ |
Teuchos::RCP< Algorithm< Real > > | algo_ |
Teuchos::RCP< Vector< Real > > | x_ |
Teuchos::ParameterList | parlist_ |
bool | scaleLagrangian_ |
Real | minPenaltyReciprocal_ |
Real | minPenaltyLowerBound_ |
Real | penaltyUpdate_ |
Real | maxPenaltyParam_ |
Real | optIncreaseExponent_ |
Real | optDecreaseExponent_ |
Real | optToleranceInitial_ |
Real | optTolerance_ |
Real | feasIncreaseExponent_ |
Real | feasDecreaseExponent_ |
Real | feasToleranceInitial_ |
Real | feasTolerance_ |
bool | print_ |
int | maxit_ |
int | subproblemIter_ |
std::string | subStep_ |
Real | outerOptTolerance_ |
Real | outerFeasTolerance_ |
Real | outerStepTolerance_ |
Additional Inherited Members | |
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Teuchos::RCP< StepState< Real > > | getState (void) |
Provides the interface to compute augmented Lagrangian steps.
Definition at line 69 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 123 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 125 of file ROL_AugmentedLagrangianStep.hpp.
References ROL::Step< Real >::getState().
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Definition at line 101 of file ROL_AugmentedLagrangianStep.hpp.
References ROL::Vector< Real >::dual(), ROL::BoundConstraint< Real >::isActivated(), ROL::Vector< Real >::norm(), ROL::BoundConstraint< Real >::project(), ROL::ROL_EPSILON, and ROL::Vector< Real >::scale().
Referenced by ROL::AugmentedLagrangianStep< Real >::initialize(), and ROL::AugmentedLagrangianStep< Real >::update().
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Initialize step with equality constraint.
Reimplemented from ROL::Step< Real >.
Definition at line 157 of file ROL_AugmentedLagrangianStep.hpp.
References ROL::Vector< Real >::clone(), ROL::AlgorithmState< Real >::cnorm, ROL::AugmentedLagrangianStep< Real >::computeGradient(), ROL::Step< Real >::getState(), ROL::AlgorithmState< Real >::gnorm, ROL::BoundConstraint< Real >::isActivated(), ROL::AlgorithmState< Real >::iter, ROL::AlgorithmState< Real >::ncval, ROL::AlgorithmState< Real >::nfval, ROL::AlgorithmState< Real >::ngrad, ROL::BoundConstraint< Real >::project(), ROL::BoundConstraint< Real >::update(), and ROL::AlgorithmState< Real >::value.
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Compute step (equality and bound constraints).
Reimplemented from ROL::Step< Real >.
Definition at line 199 of file ROL_AugmentedLagrangianStep.hpp.
References ROL::Vector< Real >::axpy(), ROL::BoundConstraint< Real >::isActivated(), and ROL::Vector< Real >::set().
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Update step, if successful (equality and bound constraints).
Reimplemented from ROL::Step< Real >.
Definition at line 218 of file ROL_AugmentedLagrangianStep.hpp.
References ROL::Vector< Real >::axpy(), ROL::AlgorithmState< Real >::cnorm, ROL::AugmentedLagrangianStep< Real >::computeGradient(), ROL::Step< Real >::getState(), ROL::AlgorithmState< Real >::gnorm, ROL::AlgorithmState< Real >::iter, ROL::AlgorithmState< Real >::iterateVec, ROL::AlgorithmState< Real >::lagmultVec, ROL::AlgorithmState< Real >::ncval, ROL::AlgorithmState< Real >::nfval, ROL::AlgorithmState< Real >::ngrad, ROL::Vector< Real >::norm(), ROL::Vector< Real >::plus(), ROL::AlgorithmState< Real >::snorm, ROL::BoundConstraint< Real >::update(), and ROL::AlgorithmState< Real >::value.
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Print iterate header.
Implements ROL::Step< Real >.
Definition at line 267 of file ROL_AugmentedLagrangianStep.hpp.
Referenced by ROL::AugmentedLagrangianStep< Real >::print().
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Print step name.
Implements ROL::Step< Real >.
Definition at line 288 of file ROL_AugmentedLagrangianStep.hpp.
Referenced by ROL::AugmentedLagrangianStep< Real >::print().
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Print iterate status.
Implements ROL::Step< Real >.
Definition at line 297 of file ROL_AugmentedLagrangianStep.hpp.
References ROL::AlgorithmState< Real >::cnorm, ROL::AugmentedLagrangianStep< Real >::feasTolerance_, ROL::AlgorithmState< Real >::gnorm, ROL::AlgorithmState< Real >::iter, ROL::AlgorithmState< Real >::ncval, ROL::AlgorithmState< Real >::nfval, ROL::AlgorithmState< Real >::ngrad, ROL::AugmentedLagrangianStep< Real >::optTolerance_, ROL::AugmentedLagrangianStep< Real >::printHeader(), ROL::AugmentedLagrangianStep< Real >::printName(), ROL::AlgorithmState< Real >::snorm, ROL::AugmentedLagrangianStep< Real >::subproblemIter_, and ROL::AlgorithmState< Real >::value.
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Compute step for bound constraints; here only to satisfy the interface requirements, does nothing, needs refactoring.
Implements ROL::Step< Real >.
Definition at line 343 of file ROL_AugmentedLagrangianStep.hpp.
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Update step, for bound constraints; here only to satisfy the interface requirements, does nothing, needs refactoring.
Implements ROL::Step< Real >.
Definition at line 350 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 71 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 72 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 73 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 75 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 77 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 78 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 79 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 80 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 81 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 83 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 84 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 85 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 86 of file ROL_AugmentedLagrangianStep.hpp.
Referenced by ROL::AugmentedLagrangianStep< Real >::print().
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Definition at line 88 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 89 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 90 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 91 of file ROL_AugmentedLagrangianStep.hpp.
Referenced by ROL::AugmentedLagrangianStep< Real >::print().
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Definition at line 93 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 94 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 95 of file ROL_AugmentedLagrangianStep.hpp.
Referenced by ROL::AugmentedLagrangianStep< Real >::print().
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Definition at line 96 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 97 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 98 of file ROL_AugmentedLagrangianStep.hpp.
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Definition at line 99 of file ROL_AugmentedLagrangianStep.hpp.