olb::opti::projection::Baron< T > Struct Template Reference

#include <projection.h>

Inheritance diagram for olb::opti::projection::Baron< T >:

Collaboration diagram for olb::opti::projection::Baron< T >:

Public Member Functions
T	project (T x) const override
T	derivative (T x) const override
T	inverse (T x) const override

Public Attributes
const T	pi {T(4) * util::atan(T(1))}

Detailed Description

template<typename T>
struct olb::opti::projection::Baron< T >

Definition at line 104 of file projection.h.

Member Function Documentation

derivative()

template<typename T >

T olb::opti::projection::Baron< T >::derivative ( T x ) const

inlineoverridevirtual

Implements olb::opti::projection::Base< T >.

Definition at line 112 of file projection.h.

                                   {
    return (T(1) + util::sin((x-T(0.5))*pi))
                     * util::cos((x-T(0.5))*pi)
                     * pi * T(0.5);
  }

References olb::util::cos(), olb::opti::projection::Baron< T >::pi, and olb::util::sin().

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inverse()

template<typename T >

T olb::opti::projection::Baron< T >::inverse ( T x ) const

inlineoverridevirtual

Implements olb::opti::projection::Base< T >.

Definition at line 117 of file projection.h.

                                {
    return T(0.5) + util::asin(T(2)*x-T(1)) / pi;
  }

References olb::util::asin(), and olb::opti::projection::Baron< T >::pi.

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project()

template<typename T >

T olb::opti::projection::Baron< T >::project ( T x ) const

inlineoverridevirtual

Implements olb::opti::projection::Base< T >.

Definition at line 108 of file projection.h.

                                {
    const T y = T(0.5) + T(0.5) * util::sin((x-T(0.5))*pi);
    return y*y;
  }

References olb::opti::projection::Baron< T >::pi, and olb::util::sin().

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Member Data Documentation

pi

template<typename T >

const T olb::opti::projection::Baron< T >::pi {T(4) * util::atan(T(1))}

Definition at line 106 of file projection.h.

{T(4) * util::atan(T(1))};

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

• src/optimization/projection.h