Genfun::GaudiMathImplementation::SimpleFunction Class Reference

#include <GaudiMath/Adapters.h>

Inheritance diagram for Genfun::GaudiMathImplementation::SimpleFunction:

Collaboration diagram for Genfun::GaudiMathImplementation::SimpleFunction:

Public Types
typedef double(*	Function1) (const double)
typedef double(*	Function2) (const double *)
typedef double(*	Function3) (const std::vector< double > &)
typedef double(*	Function1) (const double)
typedef double(*	Function2) (const double *)
typedef double(*	Function3) (const std::vector< double > &)

Public Member Functions
	SimpleFunction (Function1 func)
	From CLHEP/GenericFunctions. More...
	SimpleFunction (Function2 func, const size_t dim)
	constructor from the simple function with array-like argument More...
	SimpleFunction (Function3 func, const size_t dim)
	constructor from the simple function with vector argument More...
	SimpleFunction (const SimpleFunction &)
	copy constructor More...
virtual	~SimpleFunction ()
	destructor More...
virtual unsigned int	dimensionality () const
	dimensionality of the problem More...
virtual bool	hasAnalyticDerivative () const
	Does this function have an analytic derivative? More...
virtual double	operator() (double) const
	Function value. More...
virtual double	operator() (const Argument &) const
	Function value. More...
virtual Genfun::Derivative	partial (unsigned int i) const
	Derivatives. More...
	SimpleFunction (Function1 func)
	From CLHEP/GenericFunctions. More...
	SimpleFunction (Function2 func, const size_t dim)
	constructor from the simple function with array-like argument More...
	SimpleFunction (Function3 func, const size_t dim)
	constructor from the simple function with vector argument More...
	SimpleFunction (const SimpleFunction &)
	copy constructor More...
virtual	~SimpleFunction ()
virtual unsigned int	dimensionality () const
	dimensionality of the problem More...
virtual bool	hasAnalyticDerivative () const
	Does this function have an analytic derivative? More...
virtual double	operator() (double) const
	Function value. More...
virtual double	operator() (const Argument &) const
	Function value. More...
virtual Genfun::Derivative	partial (unsigned int i) const
	Derivatives. More...

Protected Types
enum	Case {   TrivialArg, ArrayArg, VectorArg, TrivialArg,   ArrayArg, VectorArg }
enum	Case {   TrivialArg, ArrayArg, VectorArg, TrivialArg,   ArrayArg, VectorArg }

Private Member Functions
	SimpleFunction ()
SimpleFunction &	operator= (const SimpleFunction &)
	SimpleFunction ()
SimpleFunction &	operator= (const SimpleFunction &)

Private Attributes
Case	m_case
size_t	m_DIM
Function1	m_func1
Function2	m_func2
double *	m_arg2
Function3	m_func3
std::vector< double >	m_arg3

Detailed Description

Author

Ivan BELYAEV

Date

2003-08-31

Definition at line 202 of file FunAdapters.h.

Member Typedef Documentation

typedef double(* Genfun::GaudiMathImplementation::SimpleFunction::Function1) (const double)

Definition at line 205 of file FunAdapters.h.

typedef double(* Genfun::GaudiMathImplementation::SimpleFunction::Function1) (const double)

Definition at line 205 of file FunAdapters.h.

typedef double(* Genfun::GaudiMathImplementation::SimpleFunction::Function2) (const double *)

Definition at line 206 of file FunAdapters.h.

typedef double(* Genfun::GaudiMathImplementation::SimpleFunction::Function2) (const double *)

Definition at line 206 of file FunAdapters.h.

typedef double(* Genfun::GaudiMathImplementation::SimpleFunction::Function3) (const std::vector< double > &)

Definition at line 207 of file FunAdapters.h.

typedef double(* Genfun::GaudiMathImplementation::SimpleFunction::Function3) (const std::vector< double > &)

Definition at line 207 of file FunAdapters.h.

Member Enumeration Documentation

enum Genfun::GaudiMathImplementation::SimpleFunction::Case

protected

Enumerator
TrivialArg
ArrayArg
VectorArg
TrivialArg
ArrayArg
VectorArg

Definition at line 209 of file FunAdapters.h.

{ TrivialArg , ArrayArg , VectorArg } ;

enum Genfun::GaudiMathImplementation::SimpleFunction::Case

protected

Enumerator
TrivialArg
ArrayArg
VectorArg
TrivialArg
ArrayArg
VectorArg

Definition at line 209 of file FunAdapters.h.

{ TrivialArg , ArrayArg , VectorArg } ;

Constructor & Destructor Documentation

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction

(

SimpleFunction::Function1

func

)

From CLHEP/GenericFunctions.

from CLHGEP/GenericFunctions

constructor from the trivial function

Parameters

func	pointer to trivial function

Definition at line 156 of file Adapter.cpp.

      : AbsFunction ()
      , m_case      ( SimpleFunction::TrivialArg )
      , m_DIM       ( 1    )
      , m_func1     ( func )
      , m_func2     ( 0    )
      , m_arg2      ( 0    )
      , m_func3     ( 0    )
      , m_arg3      (      )
    {}

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction	(	SimpleFunction::Function2	func,
		const size_t	dim
	)

constructor from the simple function with array-like argument

Parameters

func	pointer to trivial function
dim	dimension of the argument

Definition at line 175 of file Adapter.cpp.

      : AbsFunction ()
      , m_case      ( SimpleFunction::ArrayArg  )
      , m_DIM       ( dim  )
      , m_func1     ( 0    )
      , m_func2     ( func )
      , m_arg2      ( 0    )
      , m_func3     ( 0    )
      , m_arg3      (      )
    {
      m_arg2 = new double[dim];
    }

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction	(	SimpleFunction::Function3	func,
		const size_t	dim
	)

constructor from the simple function with vector argument

constructor from the simple function with array-like argument

Parameters

func	pointer to trivial function
dim	dimension of the argument

Definition at line 197 of file Adapter.cpp.

      : AbsFunction ()
      , m_case      ( SimpleFunction::VectorArg  )
      , m_DIM       ( dim  )
      , m_func1     ( 0    )
      , m_func2     ( 0    )
      , m_arg2      ( 0    )
      , m_func3     ( func )
      , m_arg3      ( dim  , 0 )
    {}

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction

(

const SimpleFunction &

right

)

copy constructor

Definition at line 214 of file Adapter.cpp.

      : AbsFunction ()
      , m_case      ( right.m_case  )
      , m_DIM       ( right.m_DIM   )
      , m_func1     ( right.m_func1 )
      , m_func2     ( right.m_func2 )
      , m_arg2      ( 0             )
      , m_func3     ( right.m_func3 )
      , m_arg3      ( right.m_arg3  )
    {
      if (  0 != right.m_arg2 )
      {
        std::memcpy(m_arg2, right.m_arg2, m_DIM);
      }
    }

Genfun::GaudiMathImplementation::SimpleFunction::~SimpleFunction ( )

virtual

destructor

Definition at line 234 of file Adapter.cpp.

    { if( 0 != m_arg2 ) { delete m_arg2 ; m_arg2 = 0 ;} }

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction ( )

private

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction

(

Function1

func

)

From CLHEP/GenericFunctions.

constructor from the trivial function

Parameters

func	pointer to trivial function

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction	(	Function2	func,
		const size_t	dim
	)

constructor from the simple function with array-like argument

Parameters

func	pointer to trivial function
dim	dimension of the argument

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction	(	Function3	func,
		const size_t	dim
	)

constructor from the simple function with vector argument

Parameters

func	pointer to trivial function
dim	dimension of the argument

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction

(

const SimpleFunction &

)

copy constructor

virtual Genfun::GaudiMathImplementation::SimpleFunction::~SimpleFunction ( )

virtual

Genfun::GaudiMathImplementation::SimpleFunction::SimpleFunction ( )

private

Member Function Documentation

virtual unsigned int Genfun::GaudiMathImplementation::SimpleFunction::dimensionality ( ) const

inlinevirtual

dimensionality of the problem

Definition at line 243 of file FunAdapters.h.

{ return m_DIM   ; }

virtual unsigned int Genfun::GaudiMathImplementation::SimpleFunction::dimensionality ( ) const

inlinevirtual

dimensionality of the problem

Definition at line 243 of file FunAdapters.h.

{ return m_DIM   ; }

virtual bool Genfun::GaudiMathImplementation::SimpleFunction::hasAnalyticDerivative ( ) const

inlinevirtual

Does this function have an analytic derivative?

Definition at line 245 of file FunAdapters.h.

{ return true    ; }

virtual bool Genfun::GaudiMathImplementation::SimpleFunction::hasAnalyticDerivative ( ) const

inlinevirtual

Does this function have an analytic derivative?

Definition at line 245 of file FunAdapters.h.

{ return true    ; }

virtual double Genfun::GaudiMathImplementation::SimpleFunction::operator() ( double  ) const

virtual

Function value.

double Genfun::GaudiMathImplementation::SimpleFunction::operator() ( double  value ) const

virtual

Function value.

Definition at line 255 of file Adapter.cpp.

    {
      double result = 0 ;
      switch ( m_case )
      {
      case TrivialArg  :
        result = (*m_func1) ( value  ) ; break ;
      case ArrayArg    :
        std::fill ( m_arg2 , m_arg2 + m_DIM , 0.0 );
        m_arg2[0] = value  ;
        result = (*m_func2) ( m_arg2 ) ; break ;
      case VectorArg   :
        std::fill ( m_arg3.begin () , m_arg3.end () , 0.0 );
        m_arg3[0] = value  ;
        result = (*m_func3) ( m_arg3 ) ; break ;
      default:
        break ;
      };
      return result ;
    }

double Genfun::GaudiMathImplementation::SimpleFunction::operator() ( const Argument &  argument ) const

virtual

Function value.

Definition at line 280 of file Adapter.cpp.

    {
      double result = 0 ;
      switch ( m_case )
      {
      case TrivialArg  :
        result = (*m_func1) ( argument[0]  ) ; break ;
      case ArrayArg    :
        for( size_t i = 0 ; i < m_DIM ; ++i ) { m_arg2[i] = argument[i] ; }
        return (*m_func2)( m_arg2 ) ;        ; break ;
      case VectorArg   :
        for( size_t i = 0 ; i < m_DIM ; ++i ) { m_arg3[i] = argument[i] ; }
        result = (*m_func3) ( m_arg3 ) ; break ;
      default:
        break ;
      }
      return result ;
    }

virtual double Genfun::GaudiMathImplementation::SimpleFunction::operator() ( const Argument &  ) const

virtual

Function value.

SimpleFunction& Genfun::GaudiMathImplementation::SimpleFunction::operator= ( const SimpleFunction &  )

private

SimpleFunction& Genfun::GaudiMathImplementation::SimpleFunction::operator= ( const SimpleFunction &  )

private

virtual Genfun::Derivative Genfun::GaudiMathImplementation::SimpleFunction::partial ( unsigned int  i ) const

virtual

Derivatives.

Genfun::Derivative Genfun::GaudiMathImplementation::SimpleFunction::partial ( unsigned int  i ) const

virtual

Derivatives.

Definition at line 241 of file Adapter.cpp.

    {
      if ( i >= m_DIM )
      {
        const AbsFunction& aux = GaudiMath::Constant( 0 , m_DIM ) ;
        return Genfun::FunctionNoop( &aux ) ;
      }
      const  AbsFunction& aux = GaudiMath::Derivative( *this , i ) ;
      return Genfun::FunctionNoop( &aux );
    }

Member Data Documentation

double * Genfun::GaudiMathImplementation::SimpleFunction::m_arg2

private

Definition at line 268 of file FunAdapters.h.

std::vector< double > Genfun::GaudiMathImplementation::SimpleFunction::m_arg3

mutableprivate

Definition at line 271 of file FunAdapters.h.

Case Genfun::GaudiMathImplementation::SimpleFunction::m_case

private

Definition at line 262 of file FunAdapters.h.

size_t Genfun::GaudiMathImplementation::SimpleFunction::m_DIM

private

Definition at line 263 of file FunAdapters.h.

Function1 Genfun::GaudiMathImplementation::SimpleFunction::m_func1

private

Definition at line 265 of file FunAdapters.h.

Function2 Genfun::GaudiMathImplementation::SimpleFunction::m_func2

private

Definition at line 267 of file FunAdapters.h.

Function3 Genfun::GaudiMathImplementation::SimpleFunction::m_func3

private

Definition at line 270 of file FunAdapters.h.

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

• InstallArea/x86_64-slc6-gcc48-opt/include/GaudiMath/FunAdapters.h
• GaudiGSL/src/Lib/Adapter.cpp