VariablePower Class Reference

#include <CachingVariable.h>

Inheritance diagram for VariablePower:

Public Member Functions
CachingVariable::evalType	eval (const edm::Event &iEvent) const
	VariablePower (CachingVariableFactoryArg arg)
	~VariablePower ()
Public Member Functions inherited from CachingVariable
void	addDescriptionLine (const std::string &s)
	CachingVariable (std::string m, std::string n, const edm::ParameterSet &iConfig)
bool	compute (const edm::Event &iEvent) const
const Description &	description () const
const std::string &	holderName () const
const std::string &	method () const
const std::string &	name () const
valueType	operator() (const edm::Event &iEvent) const
void	print () const
void	setHolder (std::string hn) const
virtual	~CachingVariable ()

Private Attributes
double	power_
std::string	var_

Additional Inherited Members
Public Types inherited from CachingVariable
typedef std::pair< bool, valueType >	evalType
typedef double	valueType
typedef std::map< std::string, const CachingVariable * >	vMap
Protected Member Functions inherited from CachingVariable
evalType &	baseEval (const edm::Event &iEvent) const
void	setCache (valueType &v) const
void	setNotCompute () const
Protected Attributes inherited from CachingVariable
evalType	cache_
edm::ParameterSet	conf_
Description	d_
std::string	holderName_
std::string	method_
std::string	name_

Detailed Description

Definition at line 482 of file CachingVariable.h.

Constructor & Destructor Documentation

VariablePower::VariablePower ( CachingVariableFactoryArg  arg )

inline

Definition at line 484 of file CachingVariable.h.

References CachingVariable::addDescriptionLine(), edm::ParameterSet::getParameter(), CachingVariable::CachingVariableFactoryArg::iConfig, CachingVariable::CachingVariableFactoryArg::m, CachingVariable::CachingVariableFactoryArg::n, power_, and var_.

                                               :
    CachingVariable("Power",arg.n,arg.iConfig){
    power_=arg.iConfig.getParameter<double>("power");
    var_=arg.iConfig.getParameter<std::string>("var");
    std::stringstream ss("Calculare X^Y, with X=");
    ss<<var_<<" and Y="<<power_;
    addDescriptionLine(ss.str());
    arg.m[arg.n]=this;
  }

VariablePower::~VariablePower ( )

inline

Definition at line 493 of file CachingVariable.h.

{}

Member Function Documentation

CachingVariable::evalType VariablePower::eval ( const edm::Event &  iEvent ) const

virtual

Reimplemented from CachingVariable.

Definition at line 26 of file CachingVariable.cc.

References CachingVariable::compute(), create_public_lumi_plots::exp, iEvent, create_public_lumi_plots::log, AlCaHLTBitMon_ParallelJobs::p, power_, v, and var_.

                                                                          {
  const CachingVariable * var=edm::Service<VariableHelperService>()->get().variable(var_);
  if (!var->compute(iEvent)) return std::make_pair(false,0);

  double v=(*var)(iEvent);
  double p=exp(power_*log(v));
  return std::make_pair(true,p);
}

Member Data Documentation

double VariablePower::power_

private

Definition at line 499 of file CachingVariable.h.

Referenced by eval(), and VariablePower().

std::string VariablePower::var_

private

Definition at line 500 of file CachingVariable.h.

Referenced by eval(), and VariablePower().