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TFCS1DFunctionSpline Class Reference

#include <TFCS1DFunctionSpline.h>

Inheritance diagram for TFCS1DFunctionSpline:
Collaboration diagram for TFCS1DFunctionSpline:

Public Member Functions

 TFCS1DFunctionSpline (TH1 *hist=nullptr, double maxdevgoal=0.01, double maxeffsiggoal=3, int maxnp=20)
 
 ~TFCS1DFunctionSpline ()
 
double Initialize (TH1 *hist, double maxdevgoal=0.01, double maxeffsiggoal=3, int maxnp=20)
 
double InitializeFromSpline (TH1 *hist, const TSpline3 &sp, double maxdevgoal=0.01, double maxeffsiggoal=3)
 
double InitializeEqualDistance (TH1 *hist, double maxdevgoal=0.01, double maxeffsiggoal=3, int nsplinepoints=5)
 
double InitializeEqualProbability (TH1 *hist, double maxdevgoal=0.01, double maxeffsiggoal=3, int nsplinepoints=5)
 
virtual double rnd_to_fct (double rnd) const
 Function gets random number rnd in the range [0,1) as argument and returns function value according to a histogram distribution. More...
 
const TSpline3 & spline () const
 
TSpline3 & spline ()
 
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 double rnd_to_fct (double rnd) const=0
 Function gets random number rnd in the range [0,1) as argument and returns function value. More...
 
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 bool operator== (const TFCS1DFunction &ref) const
 The == operator compares the content of instances. 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 double get_maxdev (const TH1 *hist, const TSpline3 &sp, double &maxeffsig, double &p_maxdev, double &p_maxeffsig, int ntoy=10000)
 
static void unit_test ATLAS_NOT_THREAD_SAFE (TH1 *hist=nullptr)
 
static double get_maxdev (TH1 *, TH1 *)
 
static double CheckAndIntegrate1DHistogram (const TH1 *hist, std::vector< double > &integral_vec, int &first, int &last)
 
static TH1 *generate_histogram_random_slope ATLAS_NOT_THREAD_SAFE (int nbinsx=50, double xmin=0, double xmax=1, double zerothreshold=0.1)
 
static TH1 *generate_histogram_random_gauss ATLAS_NOT_THREAD_SAFE (int nbinsx=50, int ntoy=100000, double xmin=1, double xmax=5, double xpeak=1.5, double sigma=0.6)
 
static void unit_test ATLAS_NOT_THREAD_SAFE (TH1 *hist, TFCS1DFunction *rtof, int nrnd=1000000, TH1 *histfine=nullptr)
 
static std::string startMsg (MSG::Level lvl, const std::string &file, int line)
 Make a message to decorate the start of logging. More...
 

Static Protected Member Functions

static double optimize (TSpline3 &sp_best, std::vector< double > &nprop, const TH1 *hist, TFCS1DFunctionInt32Histogram &hist_fct, double maxdevgoal=0.01, double maxeffsiggoal=3)
 

Protected Attributes

TSpline3 m_spline
 

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 17 of file TFCS1DFunctionSpline.h.

Constructor & Destructor Documentation

◆ TFCS1DFunctionSpline()

TFCS1DFunctionSpline::TFCS1DFunctionSpline ( TH1 *  hist = nullptr,
double  maxdevgoal = 0.01,
double  maxeffsiggoal = 3,
int  maxnp = 20 
)
inline

Definition at line 21 of file TFCS1DFunctionSpline.h.

22  {
23  if (hist)
24  Initialize(hist, maxdevgoal, maxeffsiggoal, maxnp);
25  };

◆ ~TFCS1DFunctionSpline()

TFCS1DFunctionSpline::~TFCS1DFunctionSpline ( )
inline

Definition at line 26 of file TFCS1DFunctionSpline.h.

26 {};

Member Function Documentation

◆ ATLAS_NOT_THREAD_SAFE() [1/4]

static TH1* generate_histogram_random_slope TFCS1DFunction::ATLAS_NOT_THREAD_SAFE ( int  nbinsx = 50,
double  xmin = 0,
double  xmax = 1,
double  zerothreshold = 0.1 
)
staticinherited

◆ ATLAS_NOT_THREAD_SAFE() [2/4]

static TH1* generate_histogram_random_gauss TFCS1DFunction::ATLAS_NOT_THREAD_SAFE ( int  nbinsx = 50,
int  ntoy = 100000,
double  xmin = 1,
double  xmax = 5,
double  xpeak = 1.5,
double  sigma = 0.6 
)
staticinherited

◆ ATLAS_NOT_THREAD_SAFE() [3/4]

static void unit_test TFCS1DFunction::ATLAS_NOT_THREAD_SAFE ( TH1 *  hist,
TFCS1DFunction *  rtof,
int  nrnd = 1000000,
TH1 *  histfine = nullptr 
)
staticinherited

◆ ATLAS_NOT_THREAD_SAFE() [4/4]

static void unit_test TFCS1DFunctionSpline::ATLAS_NOT_THREAD_SAFE ( TH1 *  hist = nullptr)
static

◆ CheckAndIntegrate1DHistogram()

double TFCS1DFunction::CheckAndIntegrate1DHistogram ( const TH1 *  hist,
std::vector< double > &  integral_vec,
int &  first,
int &  last 
)
staticinherited

Definition at line 52 of file TFCS1DFunction.cxx.

53  {
54  ISF_FCS::MLogging logger;
55  Int_t nbins = hist->GetNbinsX();
56 
57  float integral = 0;
58  integral_vec.resize(nbins);
59  for (int ix = 1; ix <= nbins; ix++) {
60  float binval = hist->GetBinContent(ix);
61  if (binval < 0) {
62  // Can't work if a bin is negative, forcing bins to 0 in this case
63  double fraction = binval / hist->Integral();
64  if (TMath::Abs(fraction) > 1e-5) {
65  ATH_MSG_NOCLASS(logger, "Warning: bin content is negative in histogram "
66  << hist->GetName() << " : "
67  << hist->GetTitle() << " binval=" << binval
68  << " " << fraction * 100
69  << "% of integral=" << hist->Integral()
70  << ". Forcing bin to 0.");
71  }
72  binval = 0;
73  }
74  integral += binval;
75  integral_vec[ix - 1] = integral;
76  }
77 
78  for (first = 0; first < nbins; first++)
79  if (integral_vec[first] != 0)
80  break;
81  for (last = nbins - 1; last > 0; last--)
82  if (integral_vec[last] != integral)
83  break;
84  last++;
85 
86  if (integral <= 0) {
87  ATH_MSG_NOCLASS(logger, "Error: histogram "
88  << hist->GetName() << " : " << hist->GetTitle()
89  << " integral=" << integral << " is <=0");
90  }
91  return integral;
92 }

◆ get_maxdev() [1/2]

double TFCS1DFunctionSpline::get_maxdev ( const TH1 *  hist,
const TSpline3 &  sp,
double &  maxeffsig,
double &  p_maxdev,
double &  p_maxeffsig,
int  ntoy = 10000 
)
static

Definition at line 320 of file TFCS1DFunctionSpline.cxx.

322  {
323  double maxdev = 0;
324  maxeffsig = 0;
325 
326  TH1 *hist_clone = (TH1 *)hist->Clone("hist_clone");
327  hist_clone->SetDirectory(nullptr);
328  hist_clone->Reset();
329  double interr = 0;
330  double integral = hist->IntegralAndError(1, hist->GetNbinsX(), interr);
331  double effN = integral / interr;
332  effN *= effN;
333  // ATH_MSG_INFO("integral="<<integral<<" +- "<<interr<<"
334  // relerr="<<interr/integral); ATH_MSG_INFO("effN="<<effN<<" +-
335  // "<<TMath::Sqrt(effN)<<" relerr="<<1/TMath::Sqrt(effN));
336  double toyweight = 1.0 / ntoy;
337  for (int itoy = 0; itoy < ntoy; ++itoy) {
338  double prop = itoy * toyweight;
339  hist_clone->Fill(sp.Eval(prop), toyweight);
340  }
341 
342  double int1 = 0;
343  double int2 = 0;
344  for (int i = 0; i <= hist->GetNbinsX() + 1; i++) {
345  int1 += hist->GetBinContent(i) / integral;
346  int2 += hist_clone->GetBinContent(i);
347  double val = TMath::Abs(int1 - int2);
348  if (val > maxdev) {
349  maxdev = val;
350  p_maxdev = int1;
351  }
352 
353  // now view the normalized integral as selection efficiency from a total
354  // sample of sizze effN
355  double int1err = TMath::Sqrt(int1 * (1 - int1) / effN);
356  double valsig = 0;
357  if (int1err > 0)
358  valsig = val / int1err;
359  if (valsig > maxeffsig) {
360  maxeffsig = valsig;
361  p_maxeffsig = int1;
362  }
363 
364  // ATH_MSG_INFO(i<<": diff="<<int1-int2<<" sig(diff)="<<valsig<<"
365  // int1="<<int1<<" +- "<<int1err<<" int2="<<int2<<" maxdev="<<maxdev<<"
366  // maxeffsig="<<maxeffsig);
367  }
368 
369  delete hist_clone;
370 
371  return maxdev;
372 }

◆ get_maxdev() [2/2]

double TFCS1DFunction::get_maxdev ( TH1 *  h_input1,
TH1 *  h_approx1 
)
staticinherited

Definition at line 21 of file TFCS1DFunction.cxx.

21  {
22  TH1D *h_input = (TH1D *)h_input1->Clone("h_input");
23  TH1D *h_approx = (TH1D *)h_approx1->Clone("h_approx");
24 
25  double maxdev = 0.0;
26 
27  // normalize the histos to the same area:
28  double integral_input = h_input->Integral();
29  double integral_approx = 0.0;
30  for (int b = 1; b <= h_input->GetNbinsX(); b++)
31  integral_approx +=
32  h_approx->GetBinContent(h_approx->FindBin(h_input->GetBinCenter(b)));
33  h_approx->Scale(integral_input / integral_approx);
34 
35  double ymax = h_approx->GetBinContent(h_approx->GetNbinsX()) -
36  h_approx->GetBinContent(h_approx->GetMinimumBin());
37  for (int i = 1; i <= h_input->GetNbinsX(); i++) {
38  double val = fabs(h_approx->GetBinContent(
39  h_approx->FindBin(h_input->GetBinCenter(i))) -
40  h_input->GetBinContent(i)) /
41  ymax;
42  if (val > maxdev)
43  maxdev = val;
44  }
45 
46  delete h_input;
47  delete h_approx;
48 
49  return maxdev * 100.0;
50 }

◆ Initialize()

double TFCS1DFunctionSpline::Initialize ( TH1 *  hist,
double  maxdevgoal = 0.01,
double  maxeffsiggoal = 3,
int  maxnp = 20 
)

Definition at line 19 of file TFCS1DFunctionSpline.cxx.

20  {
21  double max_penalty_best = -1;
22  TSpline3 sp_best;
23  for (int np = 3; np <= maxnp; ++np) {
24  ATH_MSG_INFO("========== Spline #=" << np << " ==============");
25  double max_penalty;
26  if (max_penalty_best > 0) {
27  max_penalty =
28  InitializeFromSpline(hist, sp_best, maxdevgoal, maxeffsiggoal);
29  if (max_penalty_best < 0 || max_penalty < max_penalty_best) {
30  max_penalty_best = max_penalty;
31  sp_best = m_spline;
32  }
33  }
34 
35  max_penalty = InitializeEqualDistance(hist, maxdevgoal, maxeffsiggoal, np);
36  if (max_penalty_best < 0 || max_penalty < max_penalty_best) {
37  max_penalty_best = max_penalty;
38  sp_best = m_spline;
39  }
40 
41  max_penalty =
42  InitializeEqualProbability(hist, maxdevgoal, maxeffsiggoal, np);
43  if (max_penalty_best < 0 || max_penalty < max_penalty_best) {
44  max_penalty_best = max_penalty;
45  sp_best = m_spline;
46  }
47 
48  ATH_MSG_INFO("========== Spline #=" << np << " max_penalty_best="
49  << max_penalty_best
50  << " ==============");
51  ATH_MSG(INFO) << "==== Best spline init | ";
52  for (int i = 0; i < sp_best.GetNp(); ++i) {
53  double p, x;
54  sp_best.GetKnot(i, p, x);
55  ATH_MSG(INFO) << i << " : p=" << p << " x=" << x << " ; ";
56  }
57  ATH_MSG(INFO) << " =====" << END_MSG(INFO);
58 
59  if (max_penalty_best < 2)
60  break;
61  }
62  m_spline = sp_best;
63 
64  return max_penalty_best;
65 }

◆ InitializeEqualDistance()

double TFCS1DFunctionSpline::InitializeEqualDistance ( TH1 *  hist,
double  maxdevgoal = 0.01,
double  maxeffsiggoal = 3,
int  nsplinepoints = 5 
)

Definition at line 136 of file TFCS1DFunctionSpline.cxx.

139  {
140  TFCS1DFunctionInt32Histogram hist_fct(hist);
141 
142  double xmin = 0;
143  double xmax = 0;
144  for (int i = 1; i <= hist->GetNbinsX(); i++) {
145  xmin = hist->GetXaxis()->GetBinLowEdge(i);
146  if (hist->GetBinContent(i) > 0)
147  break;
148  }
149  for (int i = hist->GetNbinsX(); i >= 1; i--) {
150  xmax = hist->GetXaxis()->GetBinUpEdge(i);
151  if (hist->GetBinContent(i) > 0)
152  break;
153  }
154  // ATH_MSG_INFO("xmin="<<xmin<<" xmax="<<xmax);
155 
156  double dx = (xmax - xmin) / (nsplinepoints - 1);
157 
158  std::vector<double> nprop(nsplinepoints);
159  std::vector<double> nx(nsplinepoints);
160  nprop[0] = 0;
161  nx[0] = hist_fct.rnd_to_fct(nprop[0]);
162  // ATH_MSG_INFO(0<<" p="<<nprop[0]<<" x="<<nx[0]);
163  for (int i = 1; i < nsplinepoints; ++i) {
164  nx[i] = xmin + i * dx;
165  double p_min = 0;
166  double p_max = 1;
167  double p_test;
168  double tx;
169  do {
170  p_test = 0.5 * (p_min + p_max);
171  tx = hist_fct.rnd_to_fct(p_test);
172  if (nx[i] < tx)
173  p_max = p_test;
174  else
175  p_min = p_test;
176  if ((p_max - p_min) < 0.0000001)
177  break;
178  } while (TMath::Abs(tx - nx[i]) > dx / 10);
179  // ATH_MSG_INFO(i<<" p="<<p_test<<" x="<<tx);
180  nprop[i] = p_test;
181  }
182 
183  double max_penalty =
184  optimize(m_spline, nprop, hist, hist_fct, maxdevgoal, maxeffsiggoal);
185  double maxeffsig;
186  double p_maxdev;
187  double p_maxeffsig;
188  double maxdev = get_maxdev(hist, m_spline, maxeffsig, p_maxdev, p_maxeffsig);
189  ATH_MSG_INFO("Spline init equ. dist. #=" << nsplinepoints << " : maxdev="
190  << maxdev << " p_maxdev=" << p_maxdev
191  << " maxeffsig=" << maxeffsig
192  << " p_maxeffsig=" << p_maxeffsig
193  << " max_penalty=" << max_penalty);
194  ATH_MSG(INFO) << " ";
195  for (int i = 0; i < m_spline.GetNp(); ++i) {
196  double p, x;
197  m_spline.GetKnot(i, p, x);
198  ATH_MSG(INFO) << i << " : p=" << p << " x=" << x << " ; ";
199  }
200  ATH_MSG(INFO) << END_MSG(INFO);
201  return max_penalty;
202 }

◆ InitializeEqualProbability()

double TFCS1DFunctionSpline::InitializeEqualProbability ( TH1 *  hist,
double  maxdevgoal = 0.01,
double  maxeffsiggoal = 3,
int  nsplinepoints = 5 
)

Definition at line 204 of file TFCS1DFunctionSpline.cxx.

207  {
208  TFCS1DFunctionInt32Histogram hist_fct(hist);
209 
210  double dprop = 1.0 / (nsplinepoints - 1);
211  std::vector<double> nprop(nsplinepoints);
212  for (int i = 0; i < nsplinepoints; ++i) {
213  nprop[i] = i * dprop;
214  }
215 
216  double max_penalty =
217  optimize(m_spline, nprop, hist, hist_fct, maxdevgoal, maxeffsiggoal);
218  double maxeffsig;
219  double p_maxdev;
220  double p_maxeffsig;
221  double maxdev = get_maxdev(hist, m_spline, maxeffsig, p_maxdev, p_maxeffsig);
222  ATH_MSG_INFO("Spline init equ. prob. #=" << nsplinepoints << " : maxdev="
223  << maxdev << " p_maxdev=" << p_maxdev
224  << " maxeffsig=" << maxeffsig
225  << " p_maxeffsig=" << p_maxeffsig
226  << " max_penalty=" << max_penalty);
227  ATH_MSG(INFO) << " ";
228  for (int i = 0; i < m_spline.GetNp(); ++i) {
229  double p, x;
230  m_spline.GetKnot(i, p, x);
231  ATH_MSG(INFO) << i << " : p=" << p << " x=" << x << " ; ";
232  }
233  ATH_MSG(INFO) << END_MSG(INFO);
234  return max_penalty;
235 }

◆ InitializeFromSpline()

double TFCS1DFunctionSpline::InitializeFromSpline ( TH1 *  hist,
const TSpline3 &  sp,
double  maxdevgoal = 0.01,
double  maxeffsiggoal = 3 
)

Definition at line 67 of file TFCS1DFunctionSpline.cxx.

69  {
70  TFCS1DFunctionInt32Histogram hist_fct(hist);
71 
72  double maxeffsig;
73  double p_maxdev;
74  double p_maxeffsig;
75  double maxdev = get_maxdev(hist, sp, maxeffsig, p_maxdev, p_maxeffsig);
76  double p_improve;
77  if (maxdev / maxdevgoal > maxeffsig / maxeffsiggoal)
78  p_improve = p_maxdev;
79  else
80  p_improve = p_maxeffsig;
81 
82  int nsplinepoints = sp.GetNp();
83  std::vector<double> nprop(nsplinepoints + 1);
84  int ind = 0;
85  ATH_MSG(INFO) << "Spline init p_improve=" << p_improve << " | ";
86  for (int i = 0; i < nsplinepoints; ++i) {
87  double p, x;
88  sp.GetKnot(i, p, x);
89  if (i == 0 && p_improve < p) {
90  nprop[ind] = (0 + p) / 2;
91  ATH_MSG(INFO) << ind << " : pi=" << nprop[ind] << " ; ";
92  ++ind;
93  }
94 
95  nprop[ind] = p;
96  ATH_MSG(INFO) << ind << " : p=" << nprop[ind] << " ; ";
97  ++ind;
98 
99  if (i == nsplinepoints - 1 && p_improve > p) {
100  nprop[ind] = (1 + p) / 2;
101  ATH_MSG(INFO) << ind << " : pi=" << nprop[ind] << " ; ";
102  ++ind;
103  }
104  if (i < nsplinepoints - 1) {
105  double pn, xn;
106  sp.GetKnot(i + 1, pn, xn);
107  if (p_improve > p && p_improve < pn) {
108  nprop[ind] = (p + pn) / 2;
109  ATH_MSG(INFO) << ind << " : pi=" << nprop[ind] << " ; ";
110  ++ind;
111  }
112  }
113  }
114  ATH_MSG(INFO) << END_MSG(INFO);
115  nsplinepoints = ind;
116  nprop.resize(nsplinepoints);
117 
118  double max_penalty =
119  optimize(m_spline, nprop, hist, hist_fct, maxdevgoal, maxeffsiggoal);
120  maxdev = get_maxdev(hist, m_spline, maxeffsig, p_maxdev, p_maxeffsig);
121  ATH_MSG_INFO("Spline init spline #=" << nsplinepoints << " : maxdev="
122  << maxdev << " p_maxdev=" << p_maxdev
123  << " maxeffsig=" << maxeffsig
124  << " p_maxeffsig=" << p_maxeffsig
125  << " max_penalty=" << max_penalty);
126  ATH_MSG(INFO) << " ";
127  for (int i = 0; i < m_spline.GetNp(); ++i) {
128  double p, x;
129  m_spline.GetKnot(i, p, x);
130  ATH_MSG(INFO) << i << " : p=" << p << " x=" << x << " ; ";
131  }
132  ATH_MSG(INFO) << END_MSG(INFO);
133  return max_penalty;
134 }

◆ 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.

231  {
232  MsgStream *ms = m_msg_tls.get();
233  if (!ms) {
234  ms = new MsgStream(Athena::getMessageSvc(), m_nm);
235  m_msg_tls.reset(ms);
236  }
237  return *ms;
238 }

◆ 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.

240  {
241  return msg() << lvl;
242 }

◆ 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.

222  {
223  if (msg().level() <= lvl) {
224  msg() << lvl;
225  return true;
226  } else {
227  return false;
228  }
229 }

◆ ndim()

virtual int TFCS1DFunction::ndim ( ) const
inlinevirtualinherited

Return the number of dimensions for the function.

Reimplemented from TFCSFunction.

Definition at line 22 of file TFCS1DFunction.h.

22 { return 1; };

◆ operator==()

virtual bool TFCS1DFunction::operator== ( const TFCS1DFunction &  ref) const
inlinevirtualinherited

The == operator compares the content of instances.

The implementation in the base class only returns true for a comparison with itself

Reimplemented in TFCS1DFunctionInt32Histogram.

Definition at line 36 of file TFCS1DFunction.h.

36  {
37  return this == &ref;
38  };

◆ optimize()

double TFCS1DFunctionSpline::optimize ( TSpline3 &  sp_best,
std::vector< double > &  nprop,
const TH1 *  hist,
TFCS1DFunctionInt32Histogram &  hist_fct,
double  maxdevgoal = 0.01,
double  maxeffsiggoal = 3 
)
staticprotected

Definition at line 237 of file TFCS1DFunctionSpline.cxx.

241  {
242  int nsplinepoints = (int)nprop.size();
243  // double xmin=hist->GetXaxis()->GetXmin();
244  // double xmax=hist->GetXaxis()->GetXmax();
245  std::vector<double> nx(nsplinepoints);
246  std::vector<double> nprop_try = nprop;
247  double max_penalty = -1;
248  double p_gotobest = 0.5 / nsplinepoints;
249  int ntry = 200 / p_gotobest;
250  // int itrytot=0;
251  for (double dproploop = 0.4 / nsplinepoints; dproploop > 0.02 / nsplinepoints;
252  dproploop /= 2) {
253  double dprop = dproploop;
254  int n_nogain = 0;
255  for (int itry = 0; itry < ntry; ++itry) {
256  // itrytot++;
257  for (int i = 0; i < nsplinepoints; ++i) {
258  nx[i] = hist_fct.rnd_to_fct(nprop_try[i]);
259  }
260  TSpline3 sp("1Dspline", nprop_try.data(), nx.data(), nsplinepoints,
261  "b2e2", 0, 0);
262  double maxeffsig;
263  double p_maxdev;
264  double p_maxeffsig;
265  double maxdev = get_maxdev(hist, sp, maxeffsig, p_maxdev, p_maxeffsig);
266  double penalty = maxdev / maxdevgoal + maxeffsig / maxeffsiggoal;
267  if (max_penalty < 0 || penalty < max_penalty) {
268  max_penalty = penalty;
269  nprop = nprop_try;
270  sp_best = sp;
271  /*
272  ATH_MSG(INFO) <<"#="<<nsplinepoints<<" try="<<itrytot-1<<" | ";
273  for(int i=0;i<nsplinepoints;++i) {
274  ATH_MSG(INFO) <<i<<":p="<<nprop_try[i]<<" x="<<nx[i]<<" ; ";
275  }
276  ATH_MSG(INFO) <<"new maxdev="<<maxdev<<" maxeffsig="<<maxeffsig<<"
277  max_penalty="<<max_penalty<<END_MSG(INFO);
278  */
279  n_nogain = 0;
280  } else {
281  if (gRandom->Rndm() < p_gotobest)
282  nprop_try = nprop;
283  ++n_nogain;
284  // allow ~20 times retrying from the best found spline before aborting
285  if (n_nogain > 20 / p_gotobest)
286  break;
287  }
288  int ip = 1 + gRandom->Rndm() * (nsplinepoints - 1);
289  if (ip > nsplinepoints - 1)
290  ip = nsplinepoints - 1;
291  double d = dprop;
292  if (gRandom->Rndm() > 0.5)
293  d = -dprop;
294  double nprop_new = nprop_try[ip] + d;
295  if (ip > 0)
296  if (nprop_try[ip - 1] + dprop / 2 > nprop_new) {
297  nprop_new = nprop_try[ip];
298  dprop /= 2;
299  }
300  if (ip < nsplinepoints - 1)
301  if (nprop_new > nprop_try[ip + 1] - dprop / 2) {
302  nprop_new = nprop_try[ip];
303  dprop /= 2;
304  }
305  if (nprop_new < 0) {
306  nprop_new = 0;
307  dprop /= 2;
308  }
309  if (nprop_new > 1) {
310  nprop_new = 1;
311  dprop /= 2;
312  }
313  nprop_try[ip] = nprop_new;
314  }
315  nprop_try = nprop;
316  }
317  return max_penalty;
318 }

◆ rnd_to_fct() [1/4]

double TFCS1DFunctionSpline::rnd_to_fct ( double  rnd) const
virtual

Function gets random number rnd in the range [0,1) as argument and returns function value according to a histogram distribution.

Implements TFCS1DFunction.

Definition at line 374 of file TFCS1DFunctionSpline.cxx.

374  {
375  return m_spline.Eval(rnd);
376 }

◆ rnd_to_fct() [2/4]

virtual double TFCS1DFunction::rnd_to_fct

Function gets random number rnd in the range [0,1) as argument and returns function value.

◆ rnd_to_fct() [3/4]

void TFCS1DFunction::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 17 of file TFCS1DFunction.cxx.

17  {
18  value[0] = rnd_to_fct(rnd[0]);
19 }

◆ rnd_to_fct() [4/4]

void TFCS1DFunction::rnd_to_fct

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.

Definition at line 27 of file TFCS1DFunction.cxx.

17  {
18  value[0] = rnd_to_fct(rnd[0]);
19 }

◆ setLevel()

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

Update outputlevel.

Definition at line 105 of file MLogging.cxx.

105  {
106  lvl = (lvl >= MSG::NUM_LEVELS) ? MSG::ALWAYS
107  : (lvl < MSG::NIL) ? MSG::NIL
108  : lvl;
109  msg().setLevel(lvl);
110 }

◆ spline() [1/2]

TSpline3& TFCS1DFunctionSpline::spline ( )
inline

Definition at line 52 of file TFCS1DFunctionSpline.h.

52 { return m_spline; };

◆ spline() [2/2]

const TSpline3& TFCS1DFunctionSpline::spline ( ) const
inline

Definition at line 51 of file TFCS1DFunctionSpline.h.

51 { return m_spline; };

◆ 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.

116  {
117  int col1_len = 20;
118  int col2_len = 5;
119  int col3_len = 10;
120  auto last_slash = file.find_last_of('/');
121  int path_len = last_slash == std::string::npos ? 0 : last_slash;
122  int trim_point = path_len;
123  int total_len = file.length();
124  if (total_len - path_len > col1_len)
125  trim_point = total_len - col1_len;
126  std::string trimmed_name = file.substr(trim_point);
127  const char *LevelNames[MSG::NUM_LEVELS] = {
128  "NIL", "VERBOSE", "DEBUG", "INFO", "WARNING", "ERROR", "FATAL", "ALWAYS"};
129  std::string level = LevelNames[lvl];
130  std::string level_string = std::string("(") + level + ") ";
131  std::stringstream output;
132  output << std::setw(col1_len) << std::right << trimmed_name << ":"
133  << std::setw(col2_len) << std::left << line << std::setw(col3_len)
134  << std::right << level_string;
135  return output.str();
136 }

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_nm

std::string ISF_FCS::MLogging::m_nm
privateinherited

Message source name.

Definition at line 211 of file MLogging.h.

◆ m_spline

TSpline3 TFCS1DFunctionSpline::m_spline
protected

Definition at line 62 of file TFCS1DFunctionSpline.h.

The documentation for this class was generated from the following files:
TFCS1DFunctionSpline::InitializeEqualProbability
double InitializeEqualProbability(TH1 *hist, double maxdevgoal=0.01, double maxeffsiggoal=3, int nsplinepoints=5)
Definition: TFCS1DFunctionSpline.cxx:204
TFCS1DFunctionSpline::Initialize
double Initialize(TH1 *hist, double maxdevgoal=0.01, double maxeffsiggoal=3, int maxnp=20)
Definition: TFCS1DFunctionSpline.cxx:19
ISF_FCS::MLogging
Cut down AthMessaging.
Definition: MLogging.h:176
checkFileSG.line
line
Definition: checkFileSG.py:75
python.PerfMonSerializer.p
def p
Definition: PerfMonSerializer.py:743
ATH_MSG
#define ATH_MSG(lvl)
Definition: AthMsgStreamMacros.h:38
ATH_MSG_INFO
#define ATH_MSG_INFO(x)
Definition: AthMsgStreamMacros.h:31
integral
double integral(TH1 *h)
Definition: computils.cxx:57
CaloCellPos2Ntuple.int
int
Definition: CaloCellPos2Ntuple.py:24
ISF_FCS::MLogging::level
MSG::Level level() const
Retrieve output level.
Definition: MLogging.h:201
hist_file_dump.d
d
Definition: hist_file_dump.py:137
plotmaker.hist
hist
Definition: plotmaker.py:148
TFCS1DFunction::rnd_to_fct
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 valu...
Definition: TFCS1DFunction.cxx:17
TH1D
Definition: rootspy.cxx:342
athena.value
value
Definition: athena.py:122
TFCS1DFunctionSpline::InitializeEqualDistance
double InitializeEqualDistance(TH1 *hist, double maxdevgoal=0.01, double maxeffsiggoal=3, int nsplinepoints=5)
Definition: TFCS1DFunctionSpline.cxx:136
PlotPulseshapeFromCool.np
np
Definition: PlotPulseshapeFromCool.py:64
x
#define x
python.SystemOfUnits.ms
int ms
Definition: SystemOfUnits.py:132
Athena::getMessageSvc
IMessageSvc * getMessageSvc(bool quiet=false)
Definition: getMessageSvc.cxx:20
TFCS1DFunctionInt32Histogram::rnd_to_fct
virtual double rnd_to_fct(double rnd) const
Function gets random number rnd in the range [0,1) as argument and returns function value according t...
Definition: TFCS1DFunctionInt32Histogram.cxx:66
TFCS1DFunctionSpline::m_spline
TSpline3 m_spline
Definition: TFCS1DFunctionSpline.h:62
python.ZdcRecConfig.pn
pn
Definition: ZdcRecConfig.py:357
SCT_CalibAlgs::nbins
@ nbins
Definition: SCT_CalibNumbers.h:10
TH1D::GetBinContent
double GetBinContent(int) const
Definition: rootspy.cxx:347
ISF_FCS::MLogging::msg
MsgStream & msg() const
Return a stream for sending messages directly (no decoration)
Definition: MLogging.h:231
TrigConf::MSGTC::ALWAYS
@ ALWAYS
Definition: Trigger/TrigConfiguration/TrigConfBase/TrigConfBase/MsgStream.h:29
lumiFormat.i
int i
Definition: lumiFormat.py:92
xmin
double xmin
Definition: listroot.cxx:60
TFCS1DFunctionInt32Histogram
Definition: TFCS1DFunctionInt32Histogram.h:15
TFCS1DFunctionSpline::InitializeFromSpline
double InitializeFromSpline(TH1 *hist, const TSpline3 &sp, double maxdevgoal=0.01, double maxeffsiggoal=3)
Definition: TFCS1DFunctionSpline.cxx:67
ISF_FCS::MLogging::m_nm
std::string m_nm
Message source name.
Definition: MLogging.h:211
file
TFile * file
Definition: tile_monitor.h:29
TFCS1DFunctionSpline::optimize
static double optimize(TSpline3 &sp_best, std::vector< double > &nprop, const TH1 *hist, TFCS1DFunctionInt32Histogram &hist_fct, double maxdevgoal=0.01, double maxeffsiggoal=3)
Definition: TFCS1DFunctionSpline.cxx:237
find_tgc_unfilled_channelids.ip
ip
Definition: find_tgc_unfilled_channelids.py:3
TH1::Fill
int Fill(double)
Definition: rootspy.cxx:285
merge.output
output
Definition: merge.py:17
TrigConf::MSGTC::NUM_LEVELS
@ NUM_LEVELS
Definition: Trigger/TrigConfiguration/TrigConfBase/TrigConfBase/MsgStream.h:30
plotBeamSpotMon.b
b
Definition: plotBeamSpotMon.py:77
TH1::GetBinContent
double GetBinContent(int) const
Definition: rootspy.cxx:298
END_MSG
#define END_MSG(lvl)
Definition: MLogging.h:171
DiTauMassTools::MaxHistStrategyV2::e
e
Definition: PhysicsAnalysis/TauID/DiTauMassTools/DiTauMassTools/HelperFunctions.h:26
ATH_MSG_NOCLASS
#define ATH_MSG_NOCLASS(logger_name, x)
Definition: MLogging.h:52
python.Constants.INFO
int INFO
Definition: Control/AthenaCommon/python/Constants.py:16
ref
const boost::regex ref(r_ef)
Pythia8_RapidityOrderMPI.val
val
Definition: Pythia8_RapidityOrderMPI.py:14
TH1
Definition: rootspy.cxx:268
DeMoScan.first
bool first
Definition: DeMoScan.py:534
makeTRTBarrelCans.dx
tuple dx
Definition: makeTRTBarrelCans.py:20
xmax
double xmax
Definition: listroot.cxx:61
TrigConf::MSGTC::NIL
@ NIL
Definition: Trigger/TrigConfiguration/TrigConfBase/TrigConfBase/MsgStream.h:22
TileDCSDataPlotter.tx
tx
Definition: TileDCSDataPlotter.py:878
TFCS1DFunctionSpline::get_maxdev
static double get_maxdev(const TH1 *hist, const TSpline3 &sp, double &maxeffsig, double &p_maxdev, double &p_maxeffsig, int ntoy=10000)
Definition: TFCS1DFunctionSpline.cxx:320
python.iconfTool.gui.pad.logger
logger
Definition: pad.py:14
checkFileSG.ind
list ind
Definition: checkFileSG.py:118
ymax
double ymax
Definition: listroot.cxx:64
TFCS1DFunctionSpline::rnd_to_fct
virtual double rnd_to_fct(double rnd) const
Function gets random number rnd in the range [0,1) as argument and returns function value according t...
Definition: TFCS1DFunctionSpline.cxx:374
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