fit::RootMinuitCommands< Function > Class Template Reference

#include <RootMinuitCommands.h>

Public Types
typedef RootMinuitCommand	command
typedef RootMinuit< Function >	minuit

Public Member Functions
void	add (RootMinuit< Function > &minuit, funct::Parameter &p) const
double	err (const std::string &name)
bool	fixed (const std::string &name)
void	init (const char *fileName)
double	max (const std::string &name)
double	min (const std::string &name)
double	par (const std::string &name)
	RootMinuitCommands (bool verbose=true)
	RootMinuitCommands (const char *fileName, bool verbose=true)
void	run (RootMinuit< Function > &minuit) const

Private Types
typedef boost::tokenizer < boost::char_separator< char > >	tokenizer

Private Member Functions
std::string	errorHeader () const
std::string	nextToken (typename tokenizer::iterator &i, const typename tokenizer::iterator &end) const
const parameter_t &	parameter (const std::string &name) const
double	string2double (const std::string &str) const

Private Attributes
std::vector< command >	commands_
unsigned int	lineNumber_
std::map< std::string, size_t >	parIndices_
parameterVector_t	pars_
bool	verbose_

Detailed Description

template<class Function>
class fit::RootMinuitCommands< Function >

Definition at line 48 of file RootMinuitCommands.h.

Member Typedef Documentation

template<class Function >

typedef RootMinuitCommand fit::RootMinuitCommands< Function >::command

Definition at line 51 of file RootMinuitCommands.h.

template<class Function >

typedef RootMinuit<Function> fit::RootMinuitCommands< Function >::minuit

Definition at line 50 of file RootMinuitCommands.h.

template<class Function >

typedef boost::tokenizer<boost::char_separator<char> > fit::RootMinuitCommands< Function >::tokenizer

private

Definition at line 84 of file RootMinuitCommands.h.

Constructor & Destructor Documentation

template<class Function >

fit::RootMinuitCommands< Function >::RootMinuitCommands ( bool  verbose = true )

inline

Definition at line 52 of file RootMinuitCommands.h.

                                            :
      verbose_(verbose) {
    }

template<class Function >

fit::RootMinuitCommands< Function >::RootMinuitCommands ( const char *  fileName, bool  verbose = true  )

inline

Definition at line 55 of file RootMinuitCommands.h.

References fit::RootMinuitCommands< Function >::init().

                                                                   :
      verbose_(verbose) {
      init(fileName);
    }

Member Function Documentation

template<class Function >

void fit::RootMinuitCommands< Function >::add ( RootMinuit< Function > &  minuit, funct::Parameter &  p  ) const

inline

Definition at line 75 of file RootMinuitCommands.h.

References fit::RootMinuit< Function >::addParameter(), fit::parameter_t::err, fit::parameter_t::fixed, fit::RootMinuit< Function >::fixParameter(), fit::parameter_t::max, fit::parameter_t::min, funct::Parameter::name(), mergeVDriftHistosByStation::name, fit::RootMinuitCommands< Function >::par(), and fit::RootMinuitCommands< Function >::parameter().

                                                                    {
      const std::string & name = p.name();
      const parameter_t & par = parameter(name);
      minuit.addParameter(p, par.err, par.min, par.max);
      if(par.fixed) minuit.fixParameter(name);
    }

template<class Function >

double fit::RootMinuitCommands< Function >::err ( const std::string &  name )

inline

Definition at line 63 of file RootMinuitCommands.h.

References fit::parameter_t::err, and fit::RootMinuitCommands< Function >::parameter().

                                      {
      return parameter(name).err;
    }  

template<class Function >

std::string fit::RootMinuitCommands< Function >::errorHeader ( ) const

inlineprivate

Definition at line 109 of file RootMinuitCommands.h.

References fit::RootMinuitCommands< Function >::lineNumber_, and dbtoconf::out.

Referenced by fit::RootMinuitCommands< Function >::nextToken().

                                  {
      std::ostringstream out;
      out << "RootMinuitCommands config. error, line " << lineNumber_<< ": ";
      return out.str();
    }

template<class Function >

bool fit::RootMinuitCommands< Function >::fixed ( const std::string &  name )

inline

Definition at line 72 of file RootMinuitCommands.h.

References fit::parameter_t::fixed, and fit::RootMinuitCommands< Function >::parameter().

                                      {
      return parameter(name).fixed;
    }   

template<typename Function >

void fit::RootMinuitCommands< Function >::init

(

const char *

fileName

)

Definition at line 125 of file RootMinuitCommands.h.

References launcher::cmssw_base, cmsBenchmark::cmssw_release_base, edm::errors::Configuration, gather_cfg::cout, fit::RootMinuitCommand::doubleArgs, alignCSCRings::e, fit::parameter_t::err, edm::hlt::Exception, mergeVDriftHistosByStation::file, fit::parameter_t::fixed, i, j, kFix, kMigrad, kMinimize, kParameter, kPrintAll, kRelease, kSet, prof2calltree::last, geometryCSVtoXML::line, fit::parameter_t::max, fit::parameter_t::min, fit::RootMinuitCommand::name, mergeVDriftHistosByStation::name, scaleCards::path, fit::RootMinuitCommand::print(), alignCSCRings::s, fit::RootMinuitCommand::stringArgs, and fit::parameter_t::val.

Referenced by fit::RootMinuitCommands< Function >::RootMinuitCommands().

                                                               {
    using namespace std;
    string cmssw_release_base = getenv("CMSSW_RELEASE_BASE");
    string cmssw_base = getenv("CMSSW_BASE");
    string path = "."; 
    if(!cmssw_release_base.empty()) {
      path += ':';
      path += (cmssw_release_base + "/src");
    }
    if(!cmssw_base.empty()) {
      path += ':';
      path += (cmssw_base + "/src");
    }
    FileInPath fileInPath(path, fileName);
    ifstream * file = fileInPath();
    if(file==0 || !file->is_open())
      throw edm::Exception(edm::errors::Configuration)
    << "RootMinuitCommands: can't open file: " << fileName 
    << " in path: " << path << "\n";
    if (verbose_) 
      cout << ">>> configuration file: " << fileName << endl;
    string line;
    lineNumber_ = 0;
    bool commands = false;
    while(getline(*file, line)) {
      ++lineNumber_;
      if(line.size()==0) continue;
      char last = *line.rbegin();
      if(!(last >= '0' && last <= 'z')) line.erase(line.end() - 1);
      boost::char_separator<char> sep(" ");
      tokenizer tokens(line, sep);
      tokenizer::iterator i = tokens.begin(), e = tokens.end();
      if(tokens.begin()==tokens.end()) continue;
      if(*(i->begin()) != '#') {
    if(*i == kParameter) {
      if(commands)
        throw edm::Exception(edm::errors::Configuration)
          << errorHeader() 
          << "please, declare all parameter before all other minuit commands.\n";
      string name = nextToken(i, e);
      parameter_t par;
      par.val = string2double(nextToken(i, e));
      par.err = string2double(nextToken(i, e));
      par.min = string2double(nextToken(i, e));
      par.max = string2double(nextToken(i, e));
      tokenizer::iterator j = i; ++j;
      if(j != e) {
        string fixed = nextToken(i, e);
        if(fixed == "fixed") 
          par.fixed = true;
        else if(fixed == "free")
          par.fixed = false;
        else
          throw edm::Exception(edm::errors::Configuration)
        << errorHeader()
        << "fix parameter option unknown: " << *i << "\n"
        << "valid options are: fixed, free.\n";
      } else {
        par.fixed = false;
      }
      pars_.push_back(std::make_pair(name, par));
      size_t s = parIndices_.size();
      parIndices_[name] = s;
      if(verbose_)
        cout << ">>> " << kParameter << " " << name 
         << " " << par.val 
         << " [" << par.min << ", " << par.max << "],"
         << " err: " << par.err
         << endl;
    } else if(*i == kFix || *i == kRelease) {
      commands = true;
      command com;
      com.name = *i;
      string arg = nextToken(i, e);
      com.stringArgs.push_back(arg);
      commands_.push_back(com);
      if(verbose_) {
        cout << ">>> "; com.print(cout); cout << endl;
      }
    } else if(*i == kSet) {
      commands = true;
      command com;
      com.name = *i;
      string arg = nextToken(i, e);
      com.stringArgs.push_back(arg);
      com.doubleArgs.push_back(string2double(nextToken(i, e)));
      commands_.push_back(com);
      if(verbose_) {
        cout << ">>> "; com.print(cout); cout << endl;
      }
    } else if(*i == kMinimize || *i == kMigrad || *i == kPrintAll) {
      commands = true;
      command com;
      com.name = *i;
      commands_.push_back(com);
      if(verbose_) {
        cout << ">>> "; com.print(cout); cout << endl;
      }
    } else {
      throw edm::Exception(edm::errors::Configuration)
        << errorHeader()
        << "unkonwn command:: " << *i << "\n";
      
    }
      }
    }
    if (verbose_) 
      cout << ">>> end configuration" << endl;
  }

template<class Function >

double fit::RootMinuitCommands< Function >::max ( const std::string &  name )

inline

Definition at line 69 of file RootMinuitCommands.h.

References fit::parameter_t::max, and fit::RootMinuitCommands< Function >::parameter().

                                      {
      return parameter(name).max;
    }  

template<class Function >

double fit::RootMinuitCommands< Function >::min ( const std::string &  name )

inline

Definition at line 66 of file RootMinuitCommands.h.

References fit::parameter_t::min, and fit::RootMinuitCommands< Function >::parameter().

                                      {
      return parameter(name).min;
    }

template<class Function >

std::string fit::RootMinuitCommands< Function >::nextToken ( typename tokenizer::iterator &  i, const typename tokenizer::iterator &  end  ) const

inlineprivate

Definition at line 114 of file RootMinuitCommands.h.

References edm::errors::Configuration, fit::RootMinuitCommands< Function >::errorHeader(), edm::hlt::Exception, and i.

                                                            {
      ++i;
      if(i == end)
    throw edm::Exception(edm::errors::Configuration)
      << errorHeader() << "missing parameter\n";
      return *i;
    }

template<class Function >

double fit::RootMinuitCommands< Function >::par ( const std::string &  name )

inline

Definition at line 60 of file RootMinuitCommands.h.

References fit::RootMinuitCommands< Function >::parameter(), and fit::parameter_t::val.

Referenced by fit::RootMinuitCommands< Function >::add().

                                      {
      return parameter(name).val;
    }

template<class Function >

const parameter_t& fit::RootMinuitCommands< Function >::parameter ( const std::string &  name ) const

inlineprivate

Definition at line 102 of file RootMinuitCommands.h.

References edm::errors::Configuration, AlCaHLTBitMon_ParallelJobs::p, fit::RootMinuitCommands< Function >::parIndices_, and fit::RootMinuitCommands< Function >::pars_.

Referenced by fit::RootMinuitCommands< Function >::add(), fit::RootMinuitCommands< Function >::err(), fit::RootMinuitCommands< Function >::fixed(), fit::RootMinuitCommands< Function >::max(), fit::RootMinuitCommands< Function >::min(), and fit::RootMinuitCommands< Function >::par().

                                                               {
      typename std::map<std::string, size_t>::const_iterator p = parIndices_.find(name);
      if(p == parIndices_.end())
    throw edm::Exception(edm::errors::Configuration)
      << "RootMinuit: can't find parameter " << name << "\n";
      return pars_[p->second].second;
    }

template<typename Function >

void fit::RootMinuitCommands< Function >::run

(

RootMinuit< Function > &

minuit

)

const

Definition at line 236 of file RootMinuitCommands.h.

References trackerHits::c, gather_cfg::cout, end, fit::RootMinuit< Function >::fixParameter(), kFix, kMigrad, kMinimize, kPrintAll, kRelease, kSet, fit::RootMinuit< Function >::migrad(), fit::RootMinuit< Function >::minimize(), fit::RootMinuit< Function >::printFitResults(), fit::RootMinuit< Function >::releaseParameter(), and fit::RootMinuit< Function >::setParameter().

                                                                           {
    using namespace std;
    typename vector<command>::const_iterator c = commands_.begin(), end = commands_.end();
    for(; c != end; ++c) {
      if(verbose_) {
    cout << ">>> minuit command: ";
    c->print(cout);
    cout << endl;
      }
      if(c->name == kMinimize)
    minuit.minimize();
      else if(c->name == kMigrad)
    minuit.migrad();
      else if(c->name == kPrintAll)
    minuit.printFitResults();
      else if(c->name == kFix) 
    minuit.fixParameter(c->stringArgs[0]);
      else if(c->name == kRelease) 
    minuit.releaseParameter(c->stringArgs[0]);
      else if(c->name == kSet)
    minuit.setParameter(c->stringArgs[0], c->doubleArgs[0]);
    }
  }

template<class Function >

double fit::RootMinuitCommands< Function >::string2double ( const std::string &  str ) const

inlineprivate

Definition at line 90 of file RootMinuitCommands.h.

References begin, edm::errors::Configuration, end, edm::hlt::Exception, and alignCSCRings::s.

                                                      {
      const char * begin = str.c_str();
      char * end;
      double val = strtod(begin, &end);
      size_t s = end - begin;
      if(s < str.size()) {
    throw edm::Exception(edm::errors::Configuration)
      << "RootMinuitCommands: invalid double value: " 
      << str  << "\n";
      }
      return val;
    }

Member Data Documentation

template<class Function >

std::vector<command> fit::RootMinuitCommands< Function >::commands_

private

Definition at line 89 of file RootMinuitCommands.h.

template<class Function >

unsigned int fit::RootMinuitCommands< Function >::lineNumber_

private

Definition at line 86 of file RootMinuitCommands.h.

Referenced by fit::RootMinuitCommands< Function >::errorHeader().

template<class Function >

std::map<std::string, size_t> fit::RootMinuitCommands< Function >::parIndices_

private

Definition at line 88 of file RootMinuitCommands.h.

Referenced by fit::RootMinuitCommands< Function >::parameter().

template<class Function >

parameterVector_t fit::RootMinuitCommands< Function >::pars_

private

Definition at line 87 of file RootMinuitCommands.h.

Referenced by fit::RootMinuitCommands< Function >::parameter().

template<class Function >

bool fit::RootMinuitCommands< Function >::verbose_

private

Definition at line 85 of file RootMinuitCommands.h.