utilLib.h File Reference

#include <sys/stat.h>
#include <iostream>
#include <sstream>
#include <iomanip>
#include <string>
#include <cctype>
#include <algorithm>
#include "TFile.h"
#include "TTree.h"
#include "RooFit.h"
#include "RooWorkspace.h"
#include <boost/filesystem.hpp>

Go to the source code of this file.

Classes
struct	great_second< T1, T2 >
struct	less_second< T1, T2 >

Functions
void	CheckOutputDir (const std::string &oDir)
void	CheckZombie (const TFile &name)
void	CheckZombieObjectInTFile (const TFile &file, const std::string &name)
bool	file_exists (const std::string &name)
bool	findStrings (const std::string &input, const std::string &needful)
template<typename T >
T *	GetFromTFile (TFile &file, const std::string &obj_name)
template<typename T >
T *	GetFromTFile (const std::string &file_name, const std::string &obj_name)
RooWorkspace *	GetRooWorkspace (const std::string &path_to_file, const std::string &workspace_name="workspace")
int	returnMassPoint (const std::string &name)
template<typename T >
std::string	to_string_with_precision (const T a_value, const int n=6)

Function Documentation

void CheckOutputDir

(

const std::string &

oDir

)

Referenced by to_string_with_precision().

void CheckZombie

(

const TFile &

name

)

Referenced by GetFromTFile(), and to_string_with_precision().

void CheckZombieObjectInTFile	(	const TFile &	file,
		const std::string &	name
	)

Referenced by to_string_with_precision().

bool file_exists ( const std::string &  name )

inline

Definition at line 63 of file utilLib.h.

Referenced by to_string_with_precision().

                                             {
    struct stat buffer;
    return (stat (name.c_str(), &buffer) == 0);
}

bool findStrings	(	const std::string &	input,
		const std::string &	needful
	)

Referenced by to_string_with_precision().

template<typename T >

T* GetFromTFile	(	TFile &	file,
		const std::string &	obj_name
	)

Definition at line 69 of file utilLib.h.

References T.

                                                                             {
    auto *obj = static_cast<T*>(file.Get(obj_name.c_str()));
    if(!obj) throw std::invalid_argument("Invalid TObject name: " + obj_name);
    return obj;
}

template<typename T >

T* GetFromTFile	(	const std::string &	file_name,
		const std::string &	obj_name
	)

Definition at line 74 of file utilLib.h.

References CheckZombie(), and f.

                                                                                            {
    TFile f(file_name.c_str(),"READ");
    CheckZombie(f);
    auto *obj =  GetFromTFile<T>(f,obj_name);
    return obj;
}

RooWorkspace* GetRooWorkspace	(	const std::string &	path_to_file,
		const std::string &	workspace_name = "workspace"
	)

Referenced by to_string_with_precision().

int returnMassPoint

(

const std::string &

name

)

Definition at line 129 of file mHatGenFilter.cc.

References DEFINE_FWK_MODULE().

Referenced by mHatGenFilter::filter(), and to_string_with_precision().

                                                      {
    int Mpoint = 0;

    std::string MassPos = "_M-";
    auto p1 = inputFilelist_.find(MassPos) + 3;
    if(p1 == std::string::npos) {
        std::cerr<<"FileNames were cahnged!!!!"<<std::endl;
        exit(1);
    }
    auto p2 = inputFilelist_.find("_",p1);
    std::string MpointString = inputFilelist_.substr(p1,size_t(p2-p1));
    Mpoint = std::stoi(MpointString);
    return Mpoint;
}

template<typename T >

std::string to_string_with_precision	(	const T	a_value,
		const int	n = 6
	)

Definition at line 40 of file utilLib.h.

References CheckOutputDir(), CheckZombie(), CheckZombieObjectInTFile(), file_exists(), findStrings(), GetRooWorkspace(), ConfFile_cfg::input, nano_94X_2017_rereco31Mar18-v1::name, and returnMassPoint().

{
    std::ostringstream out;
    out << std::setprecision(n) << a_value;
    return out.str();
}