#include <FormulaEvaluator.h>

Public Member Functions
template<typename V , typename P >
double	evaluate (V const &iVariables, P const &iParameters) const

	FormulaEvaluator (std::string const &iFormula)

Private Member Functions
double	evaluate (double const iVariables, double const iParameters) const

void	throwWrongNumberOfParameters (size_t) const

void	throwWrongNumberOfVariables (size_t) const

Private Attributes
std::shared_ptr < formula::EvaluatorBase const >	m_evaluator

unsigned int	m_nParameters = 0

unsigned int	m_nVariables = 0

Detailed Description

Definition at line 49 of file FormulaEvaluator.h.

Constructor & Destructor Documentation

FormulaEvaluator::FormulaEvaluator ( std::string const & iFormula )

explicit

Definition at line 562 of file FormulaEvaluator.cc.

References Exception, m_evaluator, m_nParameters, m_nVariables, eostools::move(), or, and AlCaHLTBitMon_QueryRunRegistry::string.

 {
   auto info  = s_expressionFinder.createEvaluator(iFormula.begin(), iFormula.end());
 
   if(info.nextParseIndex != static_cast<int>(iFormula.size()) or info.evaluator.get() == nullptr) {
     throw cms::Exception("FormulaEvaluatorParseError")<<"While parsing '"<<iFormula<<"' could not parse beyond '"<<std::string(iFormula.begin(),iFormula.begin()+info.nextParseIndex) <<"'";
   }
   m_evaluator = std::move(info.evaluator);
   m_nVariables = info.maxNumVariables;
   m_nParameters = info.maxNumParameters;
 }

Member Function Documentation

template<typename V , typename P >

double reco::FormulaEvaluator::evaluate	(	V const &	iVariables,
		P const &	iParameters
	)		const

inline

Definition at line 56 of file FormulaEvaluator.h.

References m_nParameters, m_nVariables, reco::formula::startingAddress(), throwWrongNumberOfParameters(), and throwWrongNumberOfVariables().

                                                                         {
       if (m_nVariables > iVariables.size()) {
         throwWrongNumberOfVariables(iVariables.size());
       }
       if (m_nParameters > iParameters.size()) {
         throwWrongNumberOfParameters(iParameters.size());
       }
       return evaluate( formula::startingAddress(iVariables),
                        formula::startingAddress(iParameters));
     }

double FormulaEvaluator::evaluate	(	double const *	iVariables,
		double const *	iParameters
	)		const

private

Definition at line 578 of file FormulaEvaluator.cc.

References m_evaluator.

 {
   return m_evaluator->evaluate(iVariables, iParameters);
 }

void FormulaEvaluator::throwWrongNumberOfParameters ( size_t iSize ) const

private

Definition at line 588 of file FormulaEvaluator.cc.

References Exception, and m_nParameters.

Referenced by evaluate().

                                                                  {
   throw cms::Exception("WrongNumParameters")<<"FormulaEvaluator expected at least "<<m_nParameters<<" but was passed only "<<iSize;
 }

void FormulaEvaluator::throwWrongNumberOfVariables ( size_t iSize ) const

private

Definition at line 584 of file FormulaEvaluator.cc.

References Exception, and m_nVariables.

Referenced by evaluate().

                                                                 {
   throw cms::Exception("WrongNumVariables")<<"FormulaEvaluator expected at least "<<m_nVariables<<" but was passed only "<<iSize;
 }