olb::opti::projection::FoersterN< T, DESCRIPTOR > Struct Template Reference

FoersterProjection for arbitrary n. More...

#include <projection.h>

Inheritance diagram for olb::opti::projection::FoersterN< T, DESCRIPTOR >:

Collaboration diagram for olb::opti::projection::FoersterN< T, DESCRIPTOR >:

Public Member Functions
	FoersterN (const UnitConverter< T, DESCRIPTOR > &converter, unsigned n)
T	subprojection (T x) const override
T	derivSubprojection (T x) const override
T	inverseSubprojection (T x) const override
Public Member Functions inherited from olb::opti::projection::GiBase< T, DESCRIPTOR >
	GiBase (const UnitConverter< T, DESCRIPTOR > &converter)
T	project (T x) const override
T	derivative (T x) const override
T	inverse (T x) const override

Public Attributes
const unsigned	_n
Public Attributes inherited from olb::opti::projection::GiBase< T, DESCRIPTOR >
const T	_gridTerm

Detailed Description

template<typename T, typename DESCRIPTOR>
struct olb::opti::projection::FoersterN< T, DESCRIPTOR >

FoersterProjection for arbitrary n.

subproj(a) = util::exp(a^(2n)) - 1

Definition at line 276 of file projection.h.

Constructor & Destructor Documentation

FoersterN()

template<typename T , typename DESCRIPTOR >

olb::opti::projection::FoersterN< T, DESCRIPTOR >::FoersterN ( const UnitConverter< T, DESCRIPTOR > & converter, unsigned n )

inline

Definition at line 280 of file projection.h.

   : GiBase<T,DESCRIPTOR>(converter), _n(n)
  {
    OLB_PRECONDITION(_n >= 1);
  }

References olb::opti::projection::FoersterN< T, DESCRIPTOR >::_n, and OLB_PRECONDITION.

Member Function Documentation

derivSubprojection()

template<typename T , typename DESCRIPTOR >

T olb::opti::projection::FoersterN< T, DESCRIPTOR >::derivSubprojection ( T x ) const

inlineoverridevirtual

Implements olb::opti::projection::GiBase< T, DESCRIPTOR >.

Definition at line 287 of file projection.h.

                                           {
    return T(2*_n) * util::pow(x, 2*_n-1) * subprojection(x);
  }

References olb::opti::projection::FoersterN< T, DESCRIPTOR >::_n, olb::util::pow(), and olb::opti::projection::FoersterN< T, DESCRIPTOR >::subprojection().

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inverseSubprojection()

template<typename T , typename DESCRIPTOR >

T olb::opti::projection::FoersterN< T, DESCRIPTOR >::inverseSubprojection ( T x ) const

inlineoverridevirtual

Implements olb::opti::projection::GiBase< T, DESCRIPTOR >.

Definition at line 290 of file projection.h.

                                             {
    return util::pow(util::log(x+T(1)), T(1)/T(2*_n));
  }

References olb::opti::projection::FoersterN< T, DESCRIPTOR >::_n, olb::util::log(), and olb::util::pow().

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subprojection()

template<typename T , typename DESCRIPTOR >

T olb::opti::projection::FoersterN< T, DESCRIPTOR >::subprojection ( T x ) const

inlineoverridevirtual

Implements olb::opti::projection::GiBase< T, DESCRIPTOR >.

Definition at line 286 of file projection.h.

{ return util::exp(util::pow(x, 2*_n)) - T(1); }

References olb::opti::projection::FoersterN< T, DESCRIPTOR >::_n, olb::util::exp(), and olb::util::pow().

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Member Data Documentation

_n

template<typename T , typename DESCRIPTOR >

const unsigned olb::opti::projection::FoersterN< T, DESCRIPTOR >::_n

Definition at line 278 of file projection.h.

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

• src/optimization/projection.h