CLHEP 2.4.6.4
C++ Class Library for High Energy Physics
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Genfun::ATan Class Reference

#include <ATan.hh>

+ Inheritance diagram for Genfun::ATan:

Public Member Functions

 ATan ()
 
virtual ~ATan ()
 
 ATan (const ATan &right)
 
virtual double operator() (double argument) const override
 
virtual double operator() (const Argument &a) const override
 
Derivative partial (unsigned int) const override
 
virtual bool hasAnalyticDerivative () const override
 
- Public Member Functions inherited from Genfun::AbsFunction
 AbsFunction ()
 
 AbsFunction (const AbsFunction &right)
 
virtual ~AbsFunction ()
 
virtual unsigned int dimensionality () const
 
virtual double operator() (double argument) const =0
 
virtual double operator() (const Argument &argument) const =0
 
virtual AbsFunctionclone () const =0
 
virtual FunctionComposition operator() (const AbsFunction &f) const
 
virtual ParameterComposition operator() (const AbsParameter &p) const
 
Derivative derivative (const Variable &v) const
 
Derivative prime () const
 
virtual bool hasAnalyticDerivative () const
 
virtual Derivative partial (unsigned int) const
 

Detailed Description

Definition at line 13 of file ATan.hh.

Constructor & Destructor Documentation

◆ ATan() [1/2]

Genfun::ATan::ATan ( )

Definition at line 11 of file ATan.cc.

12{}

◆ ~ATan()

Genfun::ATan::~ATan ( )
virtual

Definition at line 14 of file ATan.cc.

14 {
15}

◆ ATan() [2/2]

Genfun::ATan::ATan ( const ATan right)

Definition at line 17 of file ATan.cc.

17 : AbsFunction(right)
18{ }

Member Function Documentation

◆ hasAnalyticDerivative()

virtual bool Genfun::ATan::hasAnalyticDerivative ( ) const
inlineoverridevirtual

Reimplemented from Genfun::AbsFunction.

Definition at line 36 of file ATan.hh.

36{return true;}

◆ operator()() [1/2]

virtual double Genfun::ATan::operator() ( const Argument a) const
inlineoverridevirtual

Implements Genfun::AbsFunction.

Definition at line 30 of file ATan.hh.

30{return operator() (a[0]);}
virtual double operator()(double argument) const override
Definition: ATan.cc:21

◆ operator()() [2/2]

double Genfun::ATan::operator() ( double  argument) const
overridevirtual

Implements Genfun::AbsFunction.

Definition at line 21 of file ATan.cc.

21 {
22 return atan(x);
23}

Referenced by operator()().

◆ partial()

Derivative Genfun::ATan::partial ( unsigned int  index) const
overridevirtual

Reimplemented from Genfun::AbsFunction.

Definition at line 36 of file ATan.cc.

36 {
37 assert(index==0);
38
39 Square square;
40
41 const AbsFunction & fPrime=1.0/(1.0+square);;
42 return Derivative(& fPrime);
43}
FunctionNoop Derivative
Definition: AbsFunction.hh:42

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