ROL
Public Member Functions | Private Attributes | List of all members
ROL::BallIndicatorObjective< Real > Class Template Reference

Provides the interface to evaluate the indicator function of norm constraints. More...

#include <ROL_BallIndicatorObjective.hpp>

+ Inheritance diagram for ROL::BallIndicatorObjective< Real >:

Public Member Functions

 BallIndicatorObjective (const Ptr< Vector< Real >> &x, Real rad)
 
Real value (const Vector< Real > &x, Real &tol)
 Compute value. More...
 
void prox (Vector< Real > &Pv, const Vector< Real > &v, Real t, Real &tol)
 
- Public Member Functions inherited from ROL::Objective< Real >
virtual ~Objective ()
 
 Objective ()
 
virtual void update (const Vector< Real > &x, UpdateType type, int iter=-1)
 Update objective function. More...
 
virtual void update (const Vector< Real > &x, bool flag=true, int iter=-1)
 Update objective function. More...
 
virtual void gradient (Vector< Real > &g, const Vector< Real > &x, Real &tol)
 Compute gradient. More...
 
virtual Real dirDeriv (const Vector< Real > &x, const Vector< Real > &d, Real &tol)
 Compute directional derivative. More...
 
virtual void hessVec (Vector< Real > &hv, const Vector< Real > &v, const Vector< Real > &x, Real &tol)
 Apply Hessian approximation to vector. More...
 
virtual void invHessVec (Vector< Real > &hv, const Vector< Real > &v, const Vector< Real > &x, Real &tol)
 Apply inverse Hessian approximation to vector. More...
 
virtual void precond (Vector< Real > &Pv, const Vector< Real > &v, const Vector< Real > &x, Real &tol)
 Apply preconditioner to vector. More...
 
virtual std::vector
< std::vector< Real > > 
checkGradient (const Vector< Real > &x, const Vector< Real > &d, const bool printToStream=true, std::ostream &outStream=std::cout, const int numSteps=ROL_NUM_CHECKDERIV_STEPS, const int order=1)
 Finite-difference gradient check. More...
 
virtual std::vector
< std::vector< Real > > 
checkGradient (const Vector< Real > &x, const Vector< Real > &g, const Vector< Real > &d, const bool printToStream=true, std::ostream &outStream=std::cout, const int numSteps=ROL_NUM_CHECKDERIV_STEPS, const int order=1)
 Finite-difference gradient check. More...
 
virtual std::vector
< std::vector< Real > > 
checkGradient (const Vector< Real > &x, const Vector< Real > &d, const std::vector< Real > &steps, const bool printToStream=true, std::ostream &outStream=std::cout, const int order=1)
 Finite-difference gradient check with specified step sizes. More...
 
virtual std::vector
< std::vector< Real > > 
checkGradient (const Vector< Real > &x, const Vector< Real > &g, const Vector< Real > &d, const std::vector< Real > &steps, const bool printToStream=true, std::ostream &outStream=std::cout, const int order=1)
 Finite-difference gradient check with specified step sizes. More...
 
virtual std::vector
< std::vector< Real > > 
checkHessVec (const Vector< Real > &x, const Vector< Real > &v, const bool printToStream=true, std::ostream &outStream=std::cout, const int numSteps=ROL_NUM_CHECKDERIV_STEPS, const int order=1)
 Finite-difference Hessian-applied-to-vector check. More...
 
virtual std::vector
< std::vector< Real > > 
checkHessVec (const Vector< Real > &x, const Vector< Real > &hv, const Vector< Real > &v, const bool printToStream=true, std::ostream &outStream=std::cout, const int numSteps=ROL_NUM_CHECKDERIV_STEPS, const int order=1)
 Finite-difference Hessian-applied-to-vector check. More...
 
virtual std::vector
< std::vector< Real > > 
checkHessVec (const Vector< Real > &x, const Vector< Real > &v, const std::vector< Real > &steps, const bool printToStream=true, std::ostream &outStream=std::cout, const int order=1)
 Finite-difference Hessian-applied-to-vector check with specified step sizes. More...
 
virtual std::vector
< std::vector< Real > > 
checkHessVec (const Vector< Real > &x, const Vector< Real > &hv, const Vector< Real > &v, const std::vector< Real > &steps, const bool printToStream=true, std::ostream &outStream=std::cout, const int order=1)
 Finite-difference Hessian-applied-to-vector check with specified step sizes. More...
 
virtual std::vector< Real > checkHessSym (const Vector< Real > &x, const Vector< Real > &v, const Vector< Real > &w, const bool printToStream=true, std::ostream &outStream=std::cout)
 Hessian symmetry check. More...
 
virtual std::vector< Real > checkHessSym (const Vector< Real > &x, const Vector< Real > &hv, const Vector< Real > &v, const Vector< Real > &w, const bool printToStream=true, std::ostream &outStream=std::cout)
 Hessian symmetry check. More...
 
virtual void setParameter (const std::vector< Real > &param)
 

Private Attributes

const Ptr< Vector< Real > > x_
 
const Ptr< Vector< Real > > pwa_
 
const Real rad_
 

Additional Inherited Members

- Protected Member Functions inherited from ROL::Objective< Real >
const std::vector< Real > getParameter (void) const
 

Detailed Description

template<typename Real>
class ROL::BallIndicatorObjective< Real >

Provides the interface to evaluate the indicator function of norm constraints.


Definition at line 26 of file ROL_BallIndicatorObjective.hpp.

Constructor & Destructor Documentation

template<typename Real >
ROL::BallIndicatorObjective< Real >::BallIndicatorObjective ( const Ptr< Vector< Real >> &  x,
Real  rad 
)
inline

Definition at line 33 of file ROL_BallIndicatorObjective.hpp.

Member Function Documentation

template<typename Real >
Real ROL::BallIndicatorObjective< Real >::value ( const Vector< Real > &  x,
Real &  tol 
)
inlinevirtual

Compute value.

This function returns the objective function value.

Parameters
[in]xis the current iterate.
[in]tolis a tolerance for inexact objective function computation.

Implements ROL::Objective< Real >.

Definition at line 36 of file ROL_BallIndicatorObjective.hpp.

References ROL::BallIndicatorObjective< Real >::pwa_, ROL::BallIndicatorObjective< Real >::rad_, ROL::BallIndicatorObjective< Real >::x_, and zero.

template<typename Real >
void ROL::BallIndicatorObjective< Real >::prox ( Vector< Real > &  Pv,
const Vector< Real > &  v,
Real  t,
Real &  tol 
)
inlinevirtual

Member Data Documentation

template<typename Real >
const Ptr<Vector<Real> > ROL::BallIndicatorObjective< Real >::x_
private
template<typename Real >
const Ptr<Vector<Real> > ROL::BallIndicatorObjective< Real >::pwa_
private
template<typename Real >
const Real ROL::BallIndicatorObjective< Real >::rad_
private

The documentation for this class was generated from the following file: