JMATH::JLog< JF1_t > Struct Template Reference

Logarithm of function. More...

#include <JMathlib.hh>

Inheritance diagram for JMATH::JLog< JF1_t >:

Public Member Functions
	JLog ()
	Default constructor.
	JLog (const JF1_t &f1)
	Constructor.
double	getValue (const double x) const
	Function value.
double	getDerivative (const double x) const
	Derivative value.
const JLog &	getGradient (const double x) const
	Get gradient.
double	operator() (const Args &...args) const
	Function value.

Detailed Description

template<class JF1_t>
struct JMATH::JLog< JF1_t >

Logarithm of function.

Definition at line 2555 of file JMathlib.hh.

Constructor & Destructor Documentation

JLog() [1/2]

template<class JF1_t >

JMATH::JLog< JF1_t >::JLog ( )

inline

Default constructor.

Definition at line 2565 of file JMathlib.hh.

           :
      JF1_t()
    {}

JLog() [2/2]

template<class JF1_t >

JMATH::JLog< JF1_t >::JLog ( const JF1_t & f1 )

inline

Constructor.

Parameters

f1

function

Definition at line 2575 of file JMathlib.hh.

                          :
      JF1_t(f1)
    {}

Member Function Documentation

getValue()

template<class JF1_t >

double JMATH::JLog< JF1_t >::getValue ( const double x ) const

inline

Function value.

Parameters

x	abscissa value

Returns

function value

Definition at line 2586 of file JMathlib.hh.

    {
      return log(static_cast<const JF1_t&>(*this).getValue(x));
    }

getDerivative()

template<class JF1_t >

double JMATH::JLog< JF1_t >::getDerivative ( const double x ) const

inline

Derivative value.

Parameters

x	abscissa value

Returns

derivative value

Definition at line 2598 of file JMathlib.hh.

    {
      return static_cast<const JF1_t&>(*this).getDerivative(x) / static_cast<const JF1_t&>(*this).getValue(x);
    }

getGradient()

template<class JF1_t >

const JLog & JMATH::JLog< JF1_t >::getGradient ( const double x ) const

inline

Get gradient.

Parameters

x	abscissa value

Returns

gradient

Definition at line 2610 of file JMathlib.hh.

    {
      static JLog gradient;
 
      gradient  =  static_cast<const JF1_t&>(*this).getGradient(x);
      gradient /= (static_cast<const JF1_t&>(*this).getValue(x));
 
      return gradient;
    }

operator()()

double JMATH::JMathlib< JF1_t >::operator() ( const Args &... args ) const

inlineinherited

Function value.

Parameters

args	abscissa value(s)

Returns

function value

Definition at line 362 of file JMathlib.hh.

    {
      return static_cast<const JF1_t&>(*this).getValue(args...);
    }

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

• JMathlib.hh