MadgraphPar Class Reference

#include <GeneratorInput.h>

Public Member Functions
void	extractRunParam (string line)
double	getParam (const string &paramIn)
int	getParamAsInt (const string &paramIn)
bool	haveParam (const string &paramIn)
	MadgraphPar (Pythia8::Info *infoPtrIn=NULL)
bool	parse (const string paramStr)
void	printParams ()

Private Member Functions
void	warnParamOverwrite (const string &paramIn, double val)

Static Private Member Functions
static string	trim (string s)

Private Attributes
Pythia8::Info *	infoPtr
map< string, double >	params

Static Private Attributes
static const double	ZEROTHRESHOLD = 1e-10

Detailed Description

Definition at line 157 of file GeneratorInput.h.

Constructor & Destructor Documentation

MadgraphPar::MadgraphPar ( Pythia8::Info *  infoPtrIn = NULL )

inline

Definition at line 162 of file GeneratorInput.h.

: infoPtr(infoPtrIn) {}

Member Function Documentation

void MadgraphPar::extractRunParam

(

string

line

)

Definition at line 959 of file GeneratorInput.cc.

References customizeTrackingMonitorSeedNumber::idx, params, python.rootplot.root2matplotlib::replace(), trim(), and warnParamOverwrite().

Referenced by parse().

                                             {

  // Extract information to the right of the final '!' character
  size_t idz = line.find("#");
  if ( !(idz == string::npos) ) return;
  size_t idx = line.find("=");
  size_t idy = line.find("!");
  if (idy == string::npos) idy = line.size();
  if (idx == string::npos) return;
  string paramName = trim( line.substr( idx + 1, idy - idx - 1) );
  string paramVal  = trim( line.substr( 0, idx) );
  replace( paramVal.begin(), paramVal.end(), 'd', 'e');

  // Simple tokeniser
  istringstream iss(paramVal);
  double val;
  if (paramName.find(",") != string::npos) {
    string        paramNameNow;
    istringstream issName( paramName);
    while ( getline(issName, paramNameNow, ',') ) {
      iss >> val;
      warnParamOverwrite( paramNameNow, val);
      params[paramNameNow] = val;
    }

  // Default case: assume integer and double on the left
  } else {
    iss >> val;
    warnParamOverwrite( paramName, val);
    params[paramName] = val;
  }
}

double MadgraphPar::getParam ( const string &  paramIn )

inline

Definition at line 176 of file GeneratorInput.h.

References haveParam(), and params.

Referenced by JetMatchingMadgraph::initAfterBeams(), and warnParamOverwrite().

                                         {
    return (haveParam(paramIn)) ? params[paramIn] : 0.; }

int MadgraphPar::getParamAsInt ( const string &  paramIn )

inline

Definition at line 178 of file GeneratorInput.h.

References haveParam(), and params.

Referenced by JetMatchingMadgraph::initAfterBeams().

                                              {
    return (haveParam(paramIn)) ? int(params[paramIn]) : 0.; }

bool MadgraphPar::haveParam ( const string &  paramIn )

inline

Definition at line 171 of file GeneratorInput.h.

References params.

Referenced by getParam(), getParamAsInt(), JetMatchingMadgraph::initAfterBeams(), and warnParamOverwrite().

                                        {
    return (params.find(paramIn) == params.end()) ? false : true; }

bool MadgraphPar::parse

(

const string

paramStr

)

Definition at line 945 of file GeneratorInput.cc.

References extractRunParam(), and geometryCSVtoXML::line.

Referenced by JetMatchingMadgraph::initAfterBeams().

                                             {

  // Loop over incoming lines
  stringstream paramStream(paramStr);
  string line;
  while ( getline(paramStream, line) ) extractRunParam(line);
  return true;
  
}

void MadgraphPar::printParams

(

)

Definition at line 996 of file GeneratorInput.cc.

References gather_cfg::cout, and params.

Referenced by JetMatchingMadgraph::initAfterBeams().

                              {

  // Loop over all stored parameters and print
  cout << endl
       << " *--------  Madgraph parameters  --------*" << endl;
  for (map<string,double>::iterator it = params.begin();
       it != params.end(); ++it)
    cout << " |  " << left << setw(15) << it->first
         << "  |  " << right << setw(15) << it->second
         << "  |" << endl;
  cout << " *---------------------------------------*" << endl;
}

string MadgraphPar::trim ( string  s )

staticprivate

Definition at line 1027 of file GeneratorInput.cc.

References i, and alignCSCRings::s.

Referenced by extractRunParam().

                                 {

  // Remove whitespace in incoming string
  size_t i;
  if ( (i = s.find_last_not_of(" \t\r\n")) != string::npos)
    s = s.substr(0, i + 1);
  if ( (i = s.find_first_not_of(" \t\r\n")) != string::npos)
    s = s.substr(i);
  return s;
}

void MadgraphPar::warnParamOverwrite ( const string &  paramIn, double  val  )

private

Definition at line 1013 of file GeneratorInput.cc.

References funct::abs(), getParam(), haveParam(), infoPtr, and ZEROTHRESHOLD.

Referenced by extractRunParam().

                                                                      {

  // Check if present and if new value is different
  if (haveParam(paramIn) &&
      abs(getParam(paramIn) - val) > ZEROTHRESHOLD) {
    if (infoPtr) infoPtr->errorMsg("Warning in LHAupAlpgen::"
        "warnParamOverwrite: overwriting existing parameter", paramIn);
  }
}

Member Data Documentation

Pythia8::Info* MadgraphPar::infoPtr

private

Definition at line 196 of file GeneratorInput.h.

Referenced by warnParamOverwrite().

map<string,double> MadgraphPar::params

private

Definition at line 193 of file GeneratorInput.h.

Referenced by extractRunParam(), getParam(), getParamAsInt(), haveParam(), and printParams().

const double MadgraphPar::ZEROTHRESHOLD = 1e-10

staticprivate

Definition at line 199 of file GeneratorInput.h.

Referenced by warnParamOverwrite().