#include <TFCS2DFunctionHistogram.h>

Inheritance diagram for TFCS2DFunctionHistogram:

Collaboration diagram for TFCS2DFunctionHistogram:

Public Member Functions
	TFCS2DFunctionHistogram (TH2 *hist=nullptr)

	~TFCS2DFunctionHistogram ()

void	Initialize (TH2 *hist)

virtual void	rnd_to_fct (float &valuex, float &valuey, float rnd0, float rnd1) const

const std::vector< float > &	get_HistoBordersx () const

std::vector< float > &	get_HistoBordersx ()

const std::vector< float > &	get_HistoBordersy () const

std::vector< float > &	get_HistoBordersy ()

const std::vector< float > &	get_HistoContents () const

std::vector< float > &	get_HistoContents ()

virtual void	rnd_to_fct (float &valuex, float &valuey, float rnd0, float rnd1) const=0

virtual void	rnd_to_fct (float value[], const float rnd[]) const

virtual int	ndim () const
	Return the number of dimensions for the function. More...

virtual void	rnd_to_fct (float value[], const float rnd[]) const
	Function gets array of random numbers rnd[] in the range [0,1) as arguments and returns function value in array value. More...

virtual std::size_t	MemorySize () const
	Gives the total memory size, including the size of additional memory allocated inside the class. More...

bool	msgLvl (const MSG::Level lvl) const
	Check whether the logging system is active at the provided verbosity level. More...

MsgStream &	msg () const
	Return a stream for sending messages directly (no decoration) More...

MsgStream &	msg (const MSG::Level lvl) const
	Return a decorated starting stream for sending messages. More...

MSG::Level	level () const
	Retrieve output level. More...

virtual void	setLevel (MSG::Level lvl)
	Update outputlevel. More...

Static Public Member Functions
static void unit_test	ATLAS_NOT_THREAD_SAFE (TH2 *hist=nullptr)

static double	CheckAndIntegrate2DHistogram (const TH2 *hist, std::vector< double > &integral_vec, int &first, int &last)

static void unit_test	ATLAS_NOT_THREAD_SAFE (TH2 hist=nullptr, TFCS2DFunction rtof=nullptr, const char *outfilename="TFCS2DFunction_unit_test.root", int nrnd=10000000)

static void unit_tests	ATLAS_NOT_THREAD_SAFE (TH2 hist=nullptr, const char outfilename="TFCS2DFunction_unit_test.root", int nrnd=10000000)

static std::string	startMsg (MSG::Level lvl, const std::string &file, int line)
	Make a message to decorate the start of logging. More...

Protected Attributes
std::vector< float >	m_HistoBorders

std::vector< float >	m_HistoBordersy

std::vector< float >	m_HistoContents

Private Attributes
std::string	m_nm
	Message source name. More...

Static Private Attributes
static boost::thread_specific_ptr< MsgStream > m_msg_tls	ATLAS_THREAD_SAFE
	Do not persistify! More...

Detailed Description

Definition at line 15 of file TFCS2DFunctionHistogram.h.

Constructor & Destructor Documentation

◆ TFCS2DFunctionHistogram()

TFCS2DFunctionHistogram::TFCS2DFunctionHistogram ( TH2 * hist = nullptr )

inline

Definition at line 17 of file TFCS2DFunctionHistogram.h.

                                                {
     if (hist)
       Initialize(hist);
   };

◆ ~TFCS2DFunctionHistogram()

TFCS2DFunctionHistogram::~TFCS2DFunctionHistogram ( )

inline

Definition at line 21 of file TFCS2DFunctionHistogram.h.

21 {};

Member Function Documentation

◆ ATLAS_NOT_THREAD_SAFE() [1/3]

static void unit_test TFCS2DFunctionHistogram::ATLAS_NOT_THREAD_SAFE ( TH2 * hist = nullptr )

static

◆ ATLAS_NOT_THREAD_SAFE() [2/3]

static void unit_tests TFCS2DFunction::ATLAS_NOT_THREAD_SAFE	(	TH2 *	hist = `nullptr`,
		const char *	outfilename = `"TFCS2DFunction_unit_test.root"`,
		int	nrnd = `10000000`
	)

staticinherited

◆ ATLAS_NOT_THREAD_SAFE() [3/3]

static void unit_test TFCS2DFunction::ATLAS_NOT_THREAD_SAFE	(	TH2 *	hist = `nullptr`,
		TFCS2DFunction *	rtof = `nullptr`,
		const char *	outfilename = `"TFCS2DFunction_unit_test.root"`,
		int	nrnd = `10000000`
	)

staticinherited

◆ CheckAndIntegrate2DHistogram()

double TFCS2DFunction::CheckAndIntegrate2DHistogram	(	const TH2 *	hist,
		std::vector< double > &	integral_vec,
		int &	first,
		int &	last
	)

staticinherited

Definition at line 26 of file TFCS2DFunction.cxx.

                                                                              {
   ISF_FCS::MLogging logger;
   Int_t nbinsx = hist->GetNbinsX();
   Int_t nbinsy = hist->GetNbinsY();
   Int_t nbins = nbinsx * nbinsy;
  
   float integral = 0.0;
   float hint = hist->Integral();
   integral_vec.resize(nbins);
  
   for (int ix = 1; ix <= nbinsx; ix++) {
     for (int iy = 1; iy <= nbinsy; iy++) {
       int globalbin = (ix - 1) * nbinsy + iy - 1;
       float binval = hist->GetBinContent(ix, iy);
       if (binval < 0) {
         // Can't work if a bin is negative, forcing bins to 0 in this case
         double fraction = binval / hint;
         if (TMath::Abs(fraction) > 1e-5) {
           ATH_MSG_NOCLASS(logger,
                           "Warning: bin content is negative in histogram "
                               << hist->GetName() << " : " << hist->GetTitle()
                               << " binval=" << binval << " " << fraction * 100
                               << "% of integral=" << hist->Integral()
                               << ". Forcing bin to 0.");
         }
         binval = 0;
       }
       integral += binval;
       integral_vec[globalbin] = integral;
     }
   }
  
   for (first = 0; first < nbins; first++)
     if (integral_vec[first] != 0)
       break;
   for (last = nbins - 1; last > 0; last--)
     if (integral_vec[last] != integral)
       break;
   last++;
  
   if (integral <= 0) {
     ATH_MSG_NOCLASS(logger, "Error: histogram "
                                 << hist->GetName() << " : " << hist->GetTitle()
                                 << " integral=" << integral << " is <=0");
   }
  
   return integral;
 }

◆ get_HistoBordersx() [1/2]

std::vector<float>& TFCS2DFunctionHistogram::get_HistoBordersx ( )

inline

Definition at line 32 of file TFCS2DFunctionHistogram.h.

32 { return m_HistoBorders; };

◆ get_HistoBordersx() [2/2]

const std::vector<float>& TFCS2DFunctionHistogram::get_HistoBordersx ( ) const

inline

Definition at line 29 of file TFCS2DFunctionHistogram.h.

                                                     {
     return m_HistoBorders;
   };

◆ get_HistoBordersy() [1/2]

std::vector<float>& TFCS2DFunctionHistogram::get_HistoBordersy ( )

inline

Definition at line 36 of file TFCS2DFunctionHistogram.h.

36 { return m_HistoBordersy; };

◆ get_HistoBordersy() [2/2]

const std::vector<float>& TFCS2DFunctionHistogram::get_HistoBordersy ( ) const

inline

Definition at line 33 of file TFCS2DFunctionHistogram.h.

                                                     {
     return m_HistoBordersy;
   };

◆ get_HistoContents() [1/2]

std::vector<float>& TFCS2DFunctionHistogram::get_HistoContents ( )

inline

Definition at line 40 of file TFCS2DFunctionHistogram.h.

40 { return m_HistoContents; };

◆ get_HistoContents() [2/2]

const std::vector<float>& TFCS2DFunctionHistogram::get_HistoContents ( ) const

inline

Definition at line 37 of file TFCS2DFunctionHistogram.h.

                                                     {
     return m_HistoContents;
   };

◆ Initialize()

void TFCS2DFunctionHistogram::Initialize ( TH2 * hist )

Definition at line 18 of file TFCS2DFunctionHistogram.cxx.

                                                   {
   Int_t nbinsx = hist->GetNbinsX();
   Int_t nbinsy = hist->GetNbinsY();
   Int_t nbins = nbinsx * nbinsy;
  
   float integral = 0;
   m_HistoBorders.resize(nbinsx + 1);
   m_HistoBordersy.resize(nbinsy + 1);
   m_HistoContents.resize(nbins);
   int ibin = 0;
   for (int iy = 1; iy <= nbinsy; iy++) {
     for (int ix = 1; ix <= nbinsx; ix++) {
       float binval = hist->GetBinContent(ix, iy);
       if (binval < 0) {
         // Can't work if a bin is negative, forcing bins to 0 in this case
         double fraction = binval / hist->Integral();
         if (TMath::Abs(fraction) > 1e-5) {
           ATH_MSG_WARNING("bin content is negative in histogram "
                           << hist->GetName() << " : " << hist->GetTitle()
                           << " binval=" << binval << " " << fraction * 100
                           << "% of integral=" << hist->Integral()
                           << ". Forcing bin to 0.");
         }
         binval = 0;
       }
       integral += binval;
       m_HistoContents[ibin] = integral;
       ++ibin;
     }
   }
   if (integral <= 0) {
     ATH_MSG_ERROR("histogram " << hist->GetName() << " : " << hist->GetTitle()
                                << " integral=" << integral << " is <=0");
     m_HistoBorders.resize(0);
     m_HistoBordersy.resize(0);
     m_HistoContents.resize(0);
     return;
   }
  
   for (int ix = 1; ix <= nbinsx; ix++)
     m_HistoBorders[ix - 1] = hist->GetXaxis()->GetBinLowEdge(ix);
   m_HistoBorders[nbinsx] = hist->GetXaxis()->GetXmax();
  
   for (int iy = 1; iy <= nbinsy; iy++)
     m_HistoBordersy[iy - 1] = hist->GetYaxis()->GetBinLowEdge(iy);
   m_HistoBordersy[nbinsy] = hist->GetYaxis()->GetXmax();
  
   for (ibin = 0; ibin < nbins; ++ibin)
     m_HistoContents[ibin] /= integral;
 }

◆ level()

MSG::Level ISF_FCS::MLogging::level ( ) const

inlineinherited

Retrieve output level.

Definition at line 201 of file MLogging.h.

201 { return msg().level(); }

◆ MemorySize()

virtual std::size_t TFCSFunction::MemorySize ( ) const

inlinevirtualinherited

Gives the total memory size, including the size of additional memory allocated inside the class.

Reimplemented in TFCS2DFunctionTemplateHistogram< Txvec, Tyvec, Tz, Trandom >, and TFCS1DFunctionTemplateHistogram< Txvec, Ty, Trandom >.

Definition at line 19 of file TFCSFunction.h.

19 { return sizeof(*this); };

◆ msg() [1/2]

MsgStream & ISF_FCS::MLogging::msg ( ) const

inlineinherited

Return a stream for sending messages directly (no decoration)

Definition at line 231 of file MLogging.h.

                                       {
   MsgStream *ms = m_msg_tls.get();
   if (!ms) {
     ms = new MsgStream(Athena::getMessageSvc(), m_nm);
     m_msg_tls.reset(ms);
   }
   return *ms;
 }

◆ msg() [2/2]

MsgStream & ISF_FCS::MLogging::msg ( const MSG::Level lvl ) const

inlineinherited

Return a decorated starting stream for sending messages.

Definition at line 240 of file MLogging.h.

                                                         {
   return msg() << lvl;
 }

◆ msgLvl()

bool ISF_FCS::MLogging::msgLvl ( const MSG::Level lvl ) const

inlineinherited

Check whether the logging system is active at the provided verbosity level.

Definition at line 222 of file MLogging.h.

                                                      {
   if (msg().level() <= lvl) {
     msg() << lvl;
     return true;
   } else {
     return false;
   }
 }

◆ ndim()

virtual int TFCS2DFunction::ndim ( ) const

inlinevirtualinherited

Return the number of dimensions for the function.

Reimplemented from TFCSFunction.

Definition at line 20 of file TFCS2DFunction.h.

20 { return 2; };

◆ rnd_to_fct() [1/4]

void TFCS2DFunctionHistogram::rnd_to_fct	(	float &	valuex,
		float &	valuey,
		float	rnd0,
		float	rnd1
	)		const

virtual

Implements TFCS2DFunction.

Definition at line 69 of file TFCS2DFunctionHistogram.cxx.

                                                                        {
   if (m_HistoContents.empty()) {
     valuex = 0;
     valuey = 0;
     return;
   }
   auto it =
       std::upper_bound(m_HistoContents.begin(), m_HistoContents.end(), rnd0);
   int ibin = std::distance(m_HistoContents.begin(), it);
   if (ibin >= (int)m_HistoContents.size())
     ibin = m_HistoContents.size() - 1;
   Int_t nbinsx = m_HistoBorders.size() - 1;
   Int_t biny = ibin / nbinsx;
   Int_t binx = ibin - nbinsx * biny;
  
   float basecont = 0;
   if (ibin > 0)
     basecont = m_HistoContents[ibin - 1];
  
   float dcont = m_HistoContents[ibin] - basecont;
   if (dcont > 0) {
     valuex = m_HistoBorders[binx] +
              (m_HistoBorders[binx + 1] - m_HistoBorders[binx]) *
                  (rnd0 - basecont) / dcont;
   } else {
     valuex = m_HistoBorders[binx] +
              (m_HistoBorders[binx + 1] - m_HistoBorders[binx]) / 2;
   }
   valuey = m_HistoBordersy[biny] +
            (m_HistoBordersy[biny + 1] - m_HistoBordersy[biny]) * rnd1;
 }

◆ rnd_to_fct() [2/4]

virtual void TFCS2DFunction::rnd_to_fct

◆ rnd_to_fct() [3/4]

void TFCS2DFunction::rnd_to_fct	(	float	value[],
		const float	rnd[]
	)		const

virtualinherited

Function gets array of random numbers rnd[] in the range [0,1) as arguments and returns function value in array value.

For a n-dimensional function, value and rnd should both have n elements.

Implements TFCSFunction.

Definition at line 20 of file TFCS2DFunction.cxx.

                                                                       {
   rnd_to_fct(value[0], value[1], rnd[0], rnd[1]);
 }

◆ rnd_to_fct() [4/4]

void TFCS2DFunction::rnd_to_fct

Definition at line 24 of file TFCS2DFunction.cxx.

                                                                       {
   rnd_to_fct(value[0], value[1], rnd[0], rnd[1]);
 }

◆ setLevel()

void ISF_FCS::MLogging::setLevel ( MSG::Level lvl )

virtualinherited

Update outputlevel.

Definition at line 105 of file MLogging.cxx.

                                     {
   lvl = (lvl >= MSG::NUM_LEVELS) ? MSG::ALWAYS
         : (lvl < MSG::NIL)       ? MSG::NIL
                                  : lvl;
   msg().setLevel(lvl);
 }

◆ startMsg()

std::string ISF_FCS::MLogging::startMsg	(	MSG::Level	lvl,
		const std::string &	file,
		int	line
	)

staticinherited

Make a message to decorate the start of logging.

Print a message for the start of logging.

Definition at line 116 of file MLogging.cxx.

                                                                           {
   int col1_len = 20;
   int col2_len = 5;
   int col3_len = 10;
   auto last_slash = file.find_last_of('/');
   int path_len = last_slash == std::string::npos ? 0 : last_slash;
   int trim_point = path_len;
   int total_len = file.length();
   if (total_len - path_len > col1_len)
     trim_point = total_len - col1_len;
   std::string trimmed_name = file.substr(trim_point);
   const char *LevelNames[MSG::NUM_LEVELS] = {
       "NIL", "VERBOSE", "DEBUG", "INFO", "WARNING", "ERROR", "FATAL", "ALWAYS"};
   std::string level = LevelNames[lvl];
   std::string level_string = std::string("(") + level + ") ";
   std::stringstream output;
   output << std::setw(col1_len) << std::right << trimmed_name << ":"
          << std::setw(col2_len) << std::left << line << std::setw(col3_len)
          << std::right << level_string;
   return output.str();
 }

Member Data Documentation

◆ ATLAS_THREAD_SAFE

boost::thread_specific_ptr<MsgStream> m_msg_tls ISF_FCS::MLogging::ATLAS_THREAD_SAFE

inlinestaticprivateinherited

Do not persistify!

MsgStream instance (a std::cout like with print-out levels)

Definition at line 215 of file MLogging.h.

◆ m_HistoBorders

std::vector<float> TFCS2DFunctionHistogram::m_HistoBorders

protected

Definition at line 45 of file TFCS2DFunctionHistogram.h.

◆ m_HistoBordersy

std::vector<float> TFCS2DFunctionHistogram::m_HistoBordersy

protected

Definition at line 46 of file TFCS2DFunctionHistogram.h.

◆ m_HistoContents

std::vector<float> TFCS2DFunctionHistogram::m_HistoContents

protected

Definition at line 47 of file TFCS2DFunctionHistogram.h.

◆ m_nm

std::string ISF_FCS::MLogging::m_nm

privateinherited

Message source name.

Definition at line 211 of file MLogging.h.

The documentation for this class was generated from the following files:

Public Member Functions

Static Public Member Functions

Protected Attributes

Private Attributes

Static Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ TFCS2DFunctionHistogram()

◆ ~TFCS2DFunctionHistogram()

Member Function Documentation

◆ ATLAS_NOT_THREAD_SAFE() [1/3]

◆ ATLAS_NOT_THREAD_SAFE() [2/3]

◆ ATLAS_NOT_THREAD_SAFE() [3/3]

◆ CheckAndIntegrate2DHistogram()

◆ get_HistoBordersx() [1/2]

◆ get_HistoBordersx() [2/2]

◆ get_HistoBordersy() [1/2]

◆ get_HistoBordersy() [2/2]

◆ get_HistoContents() [1/2]

◆ get_HistoContents() [2/2]

◆ Initialize()

◆ level()

◆ MemorySize()

◆ msg() [1/2]

◆ msg() [2/2]

◆ msgLvl()

◆ ndim()

◆ rnd_to_fct() [1/4]

◆ rnd_to_fct() [2/4]

◆ rnd_to_fct() [3/4]

◆ rnd_to_fct() [4/4]

◆ setLevel()

◆ startMsg()

Member Data Documentation

◆ ATLAS_THREAD_SAFE

◆ m_HistoBorders

◆ m_HistoBordersy

◆ m_HistoContents

◆ m_nm