#include <HcalInterpolatedTableFunctor.h>

Inheritance diagram for HcalInterpolatedTableFunctor:

Public Member Functions
	HcalInterpolatedTableFunctor ()

	HcalInterpolatedTableFunctor (const std::vector< double > &values, double xmin, double xmax, bool leftExtrapolationLinear, bool rightExtrapolationLinear)

HcalPiecewiseLinearFunctor	inverse () const

bool	isStrictlyMonotonous () const

virtual double	operator() (double x) const override

virtual double	xmax () const override

virtual double	xmin () const override

virtual	~HcalInterpolatedTableFunctor ()

Public Member Functions inherited from AbsHcalFunctor
bool	operator!= (const AbsHcalFunctor &r) const

bool	operator== (const AbsHcalFunctor &r) const

virtual	~AbsHcalFunctor ()

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

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

Private Attributes
bool	leftExtrapolationLinear_

bool	rightExtrapolationLinear_

std::vector< double >	values_

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 10 of file HcalInterpolatedTableFunctor.h.

Constructor & Destructor Documentation

HcalInterpolatedTableFunctor::HcalInterpolatedTableFunctor ( )

Definition at line 14 of file HcalInterpolatedTableFunctor.cc.

     : xmin_(0.), xmax_(0.),
       leftExtrapolationLinear_(false), rightExtrapolationLinear_(false)
 {
 }

HcalInterpolatedTableFunctor::HcalInterpolatedTableFunctor	(	const std::vector< double > &	values,
		double	xmin,
		double	xmax,
		bool	leftExtrapolationLinear,
		bool	rightExtrapolationLinear
	)

Definition at line 20 of file HcalInterpolatedTableFunctor.cc.

References Exception, values_, xmax_, and xmin_.

     : values_(values),
       xmin_(ixmin),
       xmax_(ixmax),
       leftExtrapolationLinear_(leftExtrapolationLinear),
       rightExtrapolationLinear_(rightExtrapolationLinear)
 {
     if (values_.size() < 2)
         throw cms::Exception("In HcalInterpolatedTableFunctor constructor:"
                                     " insufficient number of points");
     if (xmin_ >= xmax_)
         throw cms::Exception("In HcalInterpolatedTableFunctor constructor:"
                                     " invalid min and/or max coordinates");
 }

virtual HcalInterpolatedTableFunctor::~HcalInterpolatedTableFunctor ( )

inlinevirtual

Definition at line 32 of file HcalInterpolatedTableFunctor.h.

References operator()(), and x.

32 {}

Member Function Documentation

HcalPiecewiseLinearFunctor HcalInterpolatedTableFunctor::inverse ( ) const

Definition at line 79 of file HcalInterpolatedTableFunctor.cc.

References Exception, mps_fire::i, isStrictlyMonotonous(), checklumidiff::l, leftExtrapolationLinear_, PixelPairStep_cff::points, alignCSCRings::r, rightExtrapolationLinear_, std::swap(), values_, x, xmax_, and xmin_.

Referenced by xmax().

 {
     if (!isStrictlyMonotonous())
         throw cms::Exception("In HcalInterpolatedTableFunctor::inverse:"
                                     " can't invert non-monotonous functor");
     const std::size_t sz = values_.size();
     const std::size_t szm1 = sz - 1;
     const double step = (xmax_ - xmin_)/szm1;
     std::vector<std::pair<double, double> > points;
     points.reserve(sz);
     for (std::size_t i=0; i<sz; ++i)
     {
         const double x = (i == szm1 ? xmax_ : xmin_ + step*i);
         points.push_back(std::make_pair(values_[i], x));
     }
     bool l = leftExtrapolationLinear_;
     bool r = rightExtrapolationLinear_;
     if (values_[0] > values_[sz - 1])
         std::swap(l, r);
     return HcalPiecewiseLinearFunctor(points, l, r);
 }

virtual bool HcalInterpolatedTableFunctor::isEqual ( const AbsHcalFunctor & other ) const

inlineoverrideprotectedvirtual

Implements AbsHcalFunctor.

Definition at line 46 of file HcalInterpolatedTableFunctor.h.

References leftExtrapolationLinear_, trackingPlots::other, alignCSCRings::r, rightExtrapolationLinear_, values_, xmax_, and xmin_.

     {
         const HcalInterpolatedTableFunctor& r =
             static_cast<const HcalInterpolatedTableFunctor&>(other);
         return values_ == r.values_ &&
                xmin_ == r.xmin_ && xmax_ == r.xmax_ &&
                leftExtrapolationLinear_ == r.leftExtrapolationLinear_ &&
                rightExtrapolationLinear_ == r.rightExtrapolationLinear_;
     }

bool HcalInterpolatedTableFunctor::isStrictlyMonotonous ( ) const

Definition at line 73 of file HcalInterpolatedTableFunctor.cc.

References AbsHcalFunctor::isStrictlyDecreasing(), AbsHcalFunctor::isStrictlyIncreasing(), and values_.

Referenced by inverse(), and xmax().

 {
     return isStrictlyIncreasing(values_.begin(), values_.end()) ||
            isStrictlyDecreasing(values_.begin(), values_.end());
 }

double HcalInterpolatedTableFunctor::operator() ( double x ) const

overridevirtual

Implements AbsHcalFunctor.

Definition at line 39 of file HcalInterpolatedTableFunctor.cc.

References interpolateStep(), leftExtrapolationLinear_, mps_fire::result, rightExtrapolationLinear_, values_, xmax_, and xmin_.

Referenced by ~HcalInterpolatedTableFunctor().

 {
     double result = 0.0;
     const std::size_t sz = values_.size();
     const std::size_t szm1 = sz - 1;
     const double step = (xmax_ - xmin_)/szm1;
 
     if (x >= xmax_)
     {
         if (rightExtrapolationLinear_)
             result = interpolateStep(xmax_ - step, step,
                                      values_[sz-2], values_[szm1], x);
         else
             result = values_[szm1];
     }
     else if (x <= xmin_)
     {
         if (leftExtrapolationLinear_)
             result = interpolateStep(xmin_, step, values_[0], values_[1], x);
         else
             result = values_[0];
     }
     else
     {
         const std::size_t ux = static_cast<std::size_t>((x - xmin_)/step);
         if (ux >= szm1)
             return values_[szm1];
         result = interpolateStep(ux*step + xmin_, step,
                                  values_[ux], values_[ux+1], x);
     }
 
     return result;
 }

template<class Archive >

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

inlineprivate

Definition at line 66 of file HcalInterpolatedTableFunctor.h.

References rightExtrapolationLinear_.

     {
         boost::serialization::base_object<AbsHcalFunctor>(*this);
         ar & values_ & xmin_ & xmax_
            & leftExtrapolationLinear_
            & rightExtrapolationLinear_;
     }