HcalChebyshevFunctor Class Reference

#include <HcalChebyshevFunctor.h>

Inheritance diagram for HcalChebyshevFunctor:

Public Member Functions
	HcalChebyshevFunctor ()
	HcalChebyshevFunctor (const std::vector< double > &coeffs, double xmin, double xmax, double outOfRangeValue=0.0)
double	operator() (double x) const override
double	xmax () const override
double	xmin () const override
	~HcalChebyshevFunctor () override
Public Member Functions inherited from AbsHcalFunctor
bool	operator!= (const AbsHcalFunctor &r) const
bool	operator== (const AbsHcalFunctor &r) const
virtual	~AbsHcalFunctor ()

Protected Member Functions
bool	isEqual (const AbsHcalFunctor &other) const override

Private Member Functions
template<class Archive >
void	serialize (Archive &ar, unsigned)

Private Attributes
std::vector< double >	coeffs_
double	outOfRangeValue_
double	xmax_
double	xmin_

Friends
class	boost::serialization::access

Additional Inherited Members
Static Protected Member Functions inherited from AbsHcalFunctor
template<class Iter >
static bool	isStrictlyDecreasing (Iter begin, Iter const end)
template<class Iter >
static bool	isStrictlyIncreasing (Iter begin, Iter const end)

Detailed Description

Definition at line 17 of file HcalChebyshevFunctor.h.

Constructor & Destructor Documentation

HcalChebyshevFunctor::HcalChebyshevFunctor

(

)

Definition at line 5 of file HcalChebyshevFunctor.cc.

    : xmin_(-1.0), xmax_(1.0), outOfRangeValue_(0.0)
{
}

HcalChebyshevFunctor::HcalChebyshevFunctor ( const std::vector< double > &  coeffs, double  xmin, double  xmax, double  outOfRangeValue = 0.0  )

explicit

Definition at line 10 of file HcalChebyshevFunctor.cc.

References Exception, xmax_, and xmin_.

    : coeffs_(coeffs),
      xmin_(xmin),
      xmax_(xmax),
      outOfRangeValue_(outOfRangeValue)
{
    if (xmin_ >= xmax_) throw cms::Exception(
        "In HcalChebyshevFunctor constructor: invalid interval specification");
}

HcalChebyshevFunctor::~HcalChebyshevFunctor ( )

inlineoverride

Definition at line 30 of file HcalChebyshevFunctor.h.

References operator()(), and x.

{}

Member Function Documentation

bool HcalChebyshevFunctor::isEqual ( const AbsHcalFunctor &  other ) const

inlineoverrideprotectedvirtual

Implements AbsHcalFunctor.

Definition at line 37 of file HcalChebyshevFunctor.h.

References coeffs_, trackingPlots::other, outOfRangeValue_, alignCSCRings::r, xmax_, and xmin_.

    {
        const HcalChebyshevFunctor& r =
            static_cast<const HcalChebyshevFunctor&>(other);
        return coeffs_ == r.coeffs_ &&
               xmin_ == r.xmin_ &&
               xmax_ == r.xmax_ &&
               outOfRangeValue_ == r.outOfRangeValue_;
    }

double HcalChebyshevFunctor::operator() ( double  x ) const

overridevirtual

Implements AbsHcalFunctor.

Definition at line 23 of file HcalChebyshevFunctor.cc.

References a, coeffs_, gen::k, outOfRangeValue_, alignCSCRings::r, mitigatedMETSequence_cff::U, x, xmax_, and xmin_.

Referenced by ~HcalChebyshevFunctor().

{
    if (!(y >= xmin_ && y <= xmax_))
        return outOfRangeValue_;

    if (coeffs_.empty())
        return 0.0;

    const double x = 2.0*(y - xmin_)/(xmax_ - xmin_) - 1.0;
    const double* a = &coeffs_[0];
    const double twox = 2.0*x;

    // Clenshaw recursion
    double rp2 = 0.0, rp1 = 0.0, r = 0.0;
    for (unsigned k = coeffs_.size()-1; k > 0U; --k)
    {
        r = twox*rp1 - rp2 + a[k];
        rp2 = rp1;
        rp1 = r;
    }
    return x*rp1 - rp2 + a[0];
}

template<class Archive >

void HcalChebyshevFunctor::serialize ( Archive &  ar, unsigned    )

inlineprivate

Definition at line 56 of file HcalChebyshevFunctor.h.

References outOfRangeValue_.

    {
        boost::serialization::base_object<AbsHcalFunctor>(*this);
        ar & coeffs_ & xmin_ & xmax_ & outOfRangeValue_;
    }

double HcalChebyshevFunctor::xmax ( ) const

inlineoverridevirtual

Reimplemented from AbsHcalFunctor.

Definition at line 34 of file HcalChebyshevFunctor.h.

References xmin_.

Referenced by svgfig.XAxis::__repr__().

{return xmin_;}

double HcalChebyshevFunctor::xmin ( ) const

inlineoverridevirtual

Reimplemented from AbsHcalFunctor.

Definition at line 33 of file HcalChebyshevFunctor.h.

References xmax_.

Referenced by svgfig.XAxis::__repr__(), svgfig.Axes::__repr__(), svgfig.HGrid::__repr__(), svgfig.Grid::__repr__(), and svgfig.Axes::SVG().

{return xmax_;};

Friends And Related Function Documentation

friend class boost::serialization::access

friend

Definition at line 53 of file HcalChebyshevFunctor.h.

Member Data Documentation

std::vector<double> HcalChebyshevFunctor::coeffs_

private

Definition at line 48 of file HcalChebyshevFunctor.h.

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

double HcalChebyshevFunctor::outOfRangeValue_

private

Definition at line 51 of file HcalChebyshevFunctor.h.

Referenced by isEqual(), operator()(), and serialize().

double HcalChebyshevFunctor::xmax_

private

Definition at line 50 of file HcalChebyshevFunctor.h.

Referenced by HcalChebyshevFunctor(), isEqual(), operator()(), and xmin().

double HcalChebyshevFunctor::xmin_

private

Definition at line 49 of file HcalChebyshevFunctor.h.

Referenced by HcalChebyshevFunctor(), isEqual(), operator()(), and xmax().