function::SmoothStepFunction Struct Reference

#include <SmoothStepFunction.h>

List of all members.

Public Member Functions
double	operator() (double x) const
	SmoothStepFunction (boost::shared_ptr< double > t)
	SmoothStepFunction (double t)
	SmoothStepFunction (const Parameter &t)
Public Attributes
boost::shared_ptr< double >	trend
Static Public Attributes
static const unsigned int	arguments = 1

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Detailed Description

Definition at line 9 of file SmoothStepFunction.h.

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Constructor & Destructor Documentation

function::SmoothStepFunction::SmoothStepFunction

(

const Parameter &

t

)

[inline]

Definition at line 11 of file SmoothStepFunction.h.

References trend.

                                            : 
      trend(t.ptr()) { }

function::SmoothStepFunction::SmoothStepFunction

(

boost::shared_ptr< double >

t

)

[inline]

Definition at line 13 of file SmoothStepFunction.h.

References trend.

                                                 : 
      trend(t) { }

function::SmoothStepFunction::SmoothStepFunction

(

double

t

)

[inline]

Definition at line 15 of file SmoothStepFunction.h.

References trend.

                                : 
      trend(new double(t)){}

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Member Function Documentation

double function::SmoothStepFunction::operator()

(

double

x

)

const [inline]

Definition at line 17 of file SmoothStepFunction.h.

References funct::exp(), trend, and z.

                                      {
      double z = (x - 40)*(*trend);
      if(fabs(z)<0) return 0;
      return 2/(1+exp(-z)) -1;
    }

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Member Data Documentation

const unsigned int function::SmoothStepFunction::arguments = 1 [static]

Definition at line 10 of file SmoothStepFunction.h.

boost::shared_ptr<double> function::SmoothStepFunction::trend

Definition at line 22 of file SmoothStepFunction.h.

Referenced by operator()(), and SmoothStepFunction().