Custom probability density function of time-of-arrival. More...

#include <JHit.hh>

Inheritance diagram for JACOUSTICS::JPDFGauss:

Public Types
typedef double JGauss::*	parameter_type
	Type definition of fit parameter. More...

Public Member Functions
	JPDFGauss ()
	Default constructor. More...

	JPDFGauss (const double t1_s, const double sigma_s, const double background=0.0)
	Constructor. More...

double	getValue () const
	Get expectation value of time-of-arrival. More...

double	getWeight () const
	Get weight. More...

double	getValue (const double x) const
	Function value. More...

double	getDerivative (const double x) const
	Derivative value. More...

double	operator() (const double x) const
	Function value. More...

JGauss_t	getGradient (const double x) const
	Get gradient. More...

bool	equals (const JGauss_t &gauss, const double eps=std::numeric_limits< double >::min()) const
	Equality. More...

JGauss_t &	add (const JGauss_t &gauss)
	Add gauss. More...

JGauss_t &	sub (const JGauss_t &gauss)
	Subtract gauss. More...

JGauss_t &	mul (const double factor)
	Scale gauss. More...

JGauss_t &	mul (const JNullType &object)
	Multiply with object. More...

Public Attributes
double	mean

double	sigma

double	signal

double	background

Detailed Description

Custom probability density function of time-of-arrival.

Definition at line 35 of file JAcoustics/JHit.hh.

Member Typedef Documentation

typedef double JGauss::* JMATH::JGauss::parameter_type

inherited

Type definition of fit parameter.

Definition at line 180 of file JGauss.hh.

Constructor & Destructor Documentation

JACOUSTICS::JPDFGauss::JPDFGauss ( )

inline

Default constructor.

Definition at line 43 of file JAcoustics/JHit.hh.

                 :
       JGauss()
     {}

JACOUSTICS::JPDFGauss::JPDFGauss	(	const double	t1_s,
		const double	sigma_s,
		const double	background = `0.0`
	)

inline

Constructor.

Parameters

t1_s	time-of-arrival [s]
sigma_s	resolution [s]
background	background probability [0,1>

Definition at line 55 of file JAcoustics/JHit.hh.

                                              :
       JGauss(t1_s, sigma_s, 1.0 - background, background) 
     {}

Member Function Documentation

double JACOUSTICS::JPDFGauss::getValue ( ) const

inline

Get expectation value of time-of-arrival.

Returns: time-of-arrival [s]

Definition at line 67 of file JAcoustics/JHit.hh.

     {
       return mean;
     }

double JACOUSTICS::JPDFGauss::getWeight ( ) const

inline

Get weight.

Returns: weight

Definition at line 78 of file JAcoustics/JHit.hh.

     {
       return 1.0 / sigma;
     }

double JMATH::JGauss::getValue ( const double x ) const

inlineinherited

Function value.

Parameters

x	abscissa value

Returns: function value

Definition at line 223 of file JGauss.hh.

     {
       const double u  = (x - mean) / sigma;
 
       return get_signal(u) + background;
     }

double JMATH::JGauss::getDerivative ( const double x ) const

inlineinherited

Derivative value.

Parameters

x	abscissa value

Returns: derivative value

Definition at line 237 of file JGauss.hh.

     {
       const double u  = (x - mean) / sigma;
 
       return get_signal(u) * -u;
     }

double JMATH::JGauss::operator() ( const double x ) const

inlineinherited

Function value.

Parameters

x	abscissa value

Returns: function value

Definition at line 251 of file JGauss.hh.

     {
       return getValue(x);
     }

JGauss_t JMATH::JGauss::getGradient ( const double x ) const

inlineinherited

Get gradient.

Parameters

x	abscissa value

Returns: gradient

Definition at line 263 of file JGauss.hh.

     {
       JGauss_t gradient;
 
       const double u  = (x - mean) / sigma;
       const double fs =  get_signal(u);
 
       gradient.mean       =  fs * u   / sigma;                           // d(f)/d(mean)
       gradient.sigma      =  fs * u*u / sigma  -  fs / sigma;            // d(f)/d(sigma)
       gradient.signal     =  fs       / signal;                          // d(f)/d(signal)
       gradient.background =  1.0;                                        // d(f)/d(background)
 
       return gradient;
     }

bool JMATH::JGauss_t::equals	(	const JGauss_t &	gauss,
		const double	eps = `std::numeric_limits<double>::min()`
	)		const

inlineinherited

Equality.

Parameters

gauss	gauss
eps	numerical precision

Returns: true if gauss's identical; else false

Definition at line 71 of file JGauss.hh.

     {
       return (fabs(mean       - gauss.mean)       <=  eps  &&
               fabs(sigma      - gauss.sigma)      <=  eps  &&
               fabs(signal     - gauss.signal)     <=  eps  &&
               fabs(background - gauss.background) <=  eps);
     }

JGauss_t& JMATH::JGauss_t::add ( const JGauss_t & gauss )

inlineinherited

Add gauss.

Parameters

gauss gauss

Returns: this gauss

Definition at line 87 of file JGauss.hh.

     {
       mean       += gauss.mean;
       sigma      += gauss.sigma;
       signal     += gauss.signal;
       background += gauss.background;
 
       return *this;
     }

JGauss_t& JMATH::JGauss_t::sub ( const JGauss_t & gauss )

inlineinherited

Subtract gauss.

Parameters

gauss gauss

Returns: this gauss

Definition at line 104 of file JGauss.hh.

     {
       mean       -= gauss.mean;
       sigma      -= gauss.sigma;
       signal     -= gauss.signal;
       background -= gauss.background;
 
       return *this;
     }

JGauss_t& JMATH::JGauss_t::mul ( const double factor )

inlineinherited

Scale gauss.

Parameters

factor multiplication factor

Returns: this gauss

Definition at line 121 of file JGauss.hh.

     {
       mean       *= factor;
       sigma      *= factor;
       signal     *= factor;
       background *= factor;
 
       return *this;
     }

JGauss_t & JMATH::JMath< JGauss_t , JNullType >::mul ( const JNullType & object )

inlineinherited

Multiply with object.

Parameters

object object

Returns: result object

Definition at line 273 of file JMath.hh.

     {
       return static_cast<JFirst_t&>(*this) = JCalculator<JFirst_t>::calculator.mul(static_cast<const JFirst_t&>(*this), object);
     }

Member Data Documentation

double JMATH::JGauss_t::mean

inherited

Definition at line 162 of file JGauss.hh.

double JMATH::JGauss_t::sigma

inherited

Definition at line 163 of file JGauss.hh.

double JMATH::JGauss_t::signal

inherited

Definition at line 164 of file JGauss.hh.

double JMATH::JGauss_t::background

inherited

Definition at line 165 of file JGauss.hh.

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

JAcoustics/JHit.hh

Public Types

Public Member Functions

Public Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation