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563113d0 | 1 | /* $Id$ */ |
1e9dad92 | 2 | /************************************************************************** |
3 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * * | |
5 | * Author: The ALICE Off-line Project. * | |
6 | * Contributors are mentioned in the code where appropriate. * | |
7 | * * | |
8 | * Permission to use, copy, modify and distribute this software and its * | |
9 | * documentation strictly for non-commercial purposes is hereby granted * | |
10 | * without fee, provided that the above copyright notice appears in all * | |
11 | * copies and that both the copyright notice and this permission notice * | |
12 | * appear in the supporting documentation. The authors make no claims * | |
13 | * about the suitability of this software for any purpose. It is * | |
14 | * provided "as is" without express or implied warranty. * | |
15 | **************************************************************************/ | |
16 | //---------------------------------------------------------------------// | |
17 | // // | |
18 | // AliCFGrid Class // | |
19 | // Class to accumulate data on an N-dimensional grid, to be used // | |
20 | // as input to get corrections for Reconstruction & Trigger efficiency // | |
21 | // The class uses a one-dimensional array of floats to store the grid // | |
22 | // --Author : S.Arcelli // | |
23 | // Still to be done: // | |
24 | // --Implement methods to merge cells // | |
25 | // --Interpolate among bins in a range // | |
26 | // This implementation will be aventually replaced byAliCFGridSparse // | |
27 | //---------------------------------------------------------------------// | |
563113d0 | 28 | // |
29 | // | |
30 | #include <AliLog.h> | |
31 | #include "AliCFGrid.h" | |
32 | #include "TMath.h" | |
33 | #include "TROOT.h" | |
1e9dad92 | 34 | #include "TH1D.h" |
35 | #include "TH2D.h" | |
36 | #include "TH3D.h" | |
563113d0 | 37 | |
38 | //____________________________________________________________________ | |
39 | ClassImp(AliCFGrid) | |
40 | ||
41 | //____________________________________________________________________ | |
42 | AliCFGrid::AliCFGrid() : | |
1e9dad92 | 43 | AliCFVGrid(), |
563113d0 | 44 | fNentriesTot(0), |
45 | fNunfl(0x0), | |
46 | fNovfl(0x0), | |
47 | fData(0x0), | |
48 | fErr2(0x0) | |
49 | { | |
50 | // default constructor | |
51 | } | |
52 | //____________________________________________________________________ | |
53 | AliCFGrid::AliCFGrid(const Char_t* name, const Char_t* title) : | |
1e9dad92 | 54 | AliCFVGrid(name,title), |
563113d0 | 55 | fNentriesTot(0), |
56 | fNunfl(0x0), | |
57 | fNovfl(0x0), | |
58 | fData(0x0), | |
59 | fErr2(0x0) | |
60 | { | |
61 | // default constructor | |
62 | } | |
63 | ||
64 | //____________________________________________________________________ | |
1e9dad92 | 65 | AliCFGrid::AliCFGrid(const Char_t* name, const Char_t* title, const Int_t nVarIn, const Int_t * nBinIn, const Double_t *binLimitsIn) : |
66 | AliCFVGrid(name,title,nVarIn,nBinIn,binLimitsIn), | |
563113d0 | 67 | fNentriesTot(0), |
68 | fNunfl(0x0), | |
69 | fNovfl(0x0), | |
70 | fData(0x0), | |
71 | fErr2(0x0) | |
72 | { | |
73 | // | |
74 | // main constructor | |
75 | // | |
1e9dad92 | 76 | |
77 | //The over/underflows | |
563113d0 | 78 | fNunfl=new Float_t[fNVar]; |
79 | fNovfl= new Float_t[fNVar]; | |
80 | ||
81 | ||
563113d0 | 82 | //Initialization |
563113d0 | 83 | fNentriesTot =0; |
84 | for(Int_t j=0;j<fNVar;j++){ | |
85 | fNunfl[j] =0; | |
86 | fNovfl[j] =0; | |
87 | } | |
1e9dad92 | 88 | |
89 | ||
90 | // the grid | |
91 | ||
92 | fData = new Float_t[fNDim]; //num | |
93 | ||
94 | //Initialization | |
95 | ||
563113d0 | 96 | } |
97 | ||
98 | //____________________________________________________________________ | |
99 | AliCFGrid::AliCFGrid(const AliCFGrid& c) : | |
1e9dad92 | 100 | AliCFVGrid(c), |
563113d0 | 101 | fNentriesTot(0), |
102 | fNunfl(0x0), | |
103 | fNovfl(0x0), | |
104 | fData(0x0), | |
105 | fErr2(0x0) | |
106 | { | |
107 | // | |
108 | // copy constructor | |
109 | // | |
110 | ((AliCFGrid &)c).Copy(*this); | |
111 | } | |
112 | ||
113 | //____________________________________________________________________ | |
114 | AliCFGrid::~AliCFGrid() | |
115 | { | |
116 | // | |
117 | // destructor | |
118 | // | |
1e9dad92 | 119 | if(fNunfl)delete fNunfl; |
120 | if(fNovfl)delete fNovfl; | |
121 | if(fData)delete fData; | |
563113d0 | 122 | if(fSumW2)delete fErr2; |
563113d0 | 123 | |
124 | } | |
563113d0 | 125 | //____________________________________________________________________ |
126 | AliCFGrid &AliCFGrid::operator=(const AliCFGrid &c) | |
127 | { | |
128 | // | |
129 | // assigment operator | |
130 | // | |
131 | if (this != &c) | |
132 | ((AliCFGrid &) c).Copy(*this); | |
133 | return *this; | |
134 | } | |
135 | //____________________________________________________________________ | |
136 | Float_t AliCFGrid::GetElement(Int_t bin) const | |
137 | { | |
138 | // | |
139 | // Returns grid element bin | |
140 | // | |
141 | if(bin>=fNDim){ | |
142 | AliInfo(Form(" element index outside the grid, return -1")); | |
143 | return -1.; | |
144 | } | |
145 | return fData[bin]; | |
146 | } | |
147 | //____________________________________________________________________ | |
148 | Float_t AliCFGrid::GetElement(Int_t *bin) const | |
149 | { | |
150 | // | |
151 | // Get the content in a bin corresponding to a set of bin indexes | |
152 | // | |
1e9dad92 | 153 | //-1 is to move from TH/ThnSparse N-dim bin convention to one in AliCFFrame |
154 | for(Int_t i=0;i<fNVar; i++)fIndex[i]=bin[i]-1; | |
155 | Int_t ind =GetBinIndex(fIndex); | |
156 | return GetElement(ind); | |
563113d0 | 157 | } |
158 | //____________________________________________________________________ | |
1e9dad92 | 159 | Float_t AliCFGrid::GetElement(Double_t *var) const |
563113d0 | 160 | { |
161 | // | |
162 | // Get the content in a bin corresponding to a set of input variables | |
163 | // | |
164 | Int_t unfl=0; | |
165 | Int_t ovfl=0; | |
166 | for(Int_t i=0;i<fNVar;i++){ | |
167 | Int_t nbins=fNVarBins[i]+1; | |
168 | Float_t *bins=new Float_t[nbins]; | |
169 | for(Int_t ibin =0;ibin<nbins;ibin++){ | |
170 | bins[ibin] = fVarBinLimits[ibin+fOffset[i]]; | |
171 | } | |
172 | ||
173 | fIndex[i] = TMath::BinarySearch(nbins,bins,var[i]); | |
174 | ||
175 | //underflows | |
176 | ||
177 | if(var[i] < bins[0]){ | |
178 | unfl=1; | |
179 | } | |
180 | ||
181 | //overflows | |
182 | ||
183 | if(var[i] > bins[nbins-1]){ | |
184 | ovfl=1; | |
185 | } | |
186 | delete [] bins; | |
187 | } | |
188 | ||
1e9dad92 | 189 | |
190 | //move to the TH/THnSparse convention in N-dim bin numbering | |
191 | for(Int_t i=0;i<fNVar; i++)fIndex[i]+=1; | |
192 | ||
563113d0 | 193 | if(!(ovfl==1 || unfl==1)){ |
194 | return GetElement(fIndex); | |
195 | } | |
196 | else{ | |
197 | AliInfo(Form(" input variables outside the grid, return -1")); | |
198 | return -1.; | |
199 | } | |
200 | } | |
201 | //____________________________________________________________________ | |
202 | Float_t AliCFGrid::GetElementError(Int_t iel) const | |
203 | { | |
204 | // | |
1e9dad92 | 205 | // Return the error on grid element iel |
563113d0 | 206 | // |
207 | if(iel>=fNDim){ | |
208 | AliInfo(Form(" element index outside the grid, return -1")); | |
209 | return -1.; | |
210 | } | |
1e9dad92 | 211 | if(fSumW2)return TMath::Sqrt(fErr2[iel]); |
212 | return TMath::Sqrt(fData[iel]); | |
563113d0 | 213 | } |
214 | //____________________________________________________________________ | |
215 | Float_t AliCFGrid::GetElementError(Int_t *bin) const | |
216 | { | |
217 | // | |
1e9dad92 | 218 | // Get the error in a bin corresponding to a set of bin indeces |
563113d0 | 219 | // |
1e9dad92 | 220 | //-1 is to move from TH/ThnSparse N-dim bin convention to one in AliCFFrame |
221 | for(Int_t i=0;i<fNVar; i++)fIndex[i]=bin[i]-1; | |
222 | Int_t ind =GetBinIndex(fIndex); | |
223 | return GetElementError(ind); | |
563113d0 | 224 | |
225 | } | |
226 | //____________________________________________________________________ | |
1e9dad92 | 227 | Float_t AliCFGrid::GetElementError(Double_t *var) const |
563113d0 | 228 | { |
229 | // | |
1e9dad92 | 230 | // Get the error in a bin corresponding to a set of input variables |
563113d0 | 231 | // |
232 | Int_t unfl=0; | |
233 | Int_t ovfl=0; | |
234 | for(Int_t i=0;i<fNVar;i++){ | |
235 | Int_t nbins=fNVarBins[i]+1; | |
236 | Float_t *bins=new Float_t[nbins]; | |
237 | for(Int_t ibin =0;ibin<nbins;ibin++){ | |
238 | bins[ibin] = fVarBinLimits[ibin+fOffset[i]]; | |
239 | } | |
240 | ||
241 | fIndex[i] = TMath::BinarySearch(nbins,bins,var[i]); | |
242 | //underflows | |
243 | ||
244 | if(var[i] < bins[0]){ | |
245 | unfl=1; | |
246 | } | |
247 | ||
248 | //overflows | |
249 | ||
250 | if(var[i] > bins[nbins-1]){ | |
251 | ovfl=1; | |
252 | } | |
253 | delete [] bins; | |
254 | } | |
255 | ||
1e9dad92 | 256 | //move to the TH/THnSparse convention in N-dim bin numbering |
257 | for(Int_t i=0;i<fNVar; i++)fIndex[i]+=1; | |
563113d0 | 258 | if(!(ovfl==1 || unfl==1)){ |
259 | return GetElementError(fIndex); | |
260 | } | |
261 | else{ | |
262 | AliInfo(Form(" input variables outside the grid, return -1")); | |
263 | return -1.; | |
264 | } | |
265 | } | |
266 | //____________________________________________________________________ | |
267 | void AliCFGrid::SetElement(Int_t iel, Float_t val) | |
268 | { | |
269 | // | |
270 | // Sets grid element iel to val | |
271 | // | |
272 | if(iel>=fNDim){ | |
273 | AliInfo(Form(" element index outside the grid, no value set")); | |
274 | }else { | |
275 | fData[iel]=val; | |
276 | } | |
277 | } | |
278 | //____________________________________________________________________ | |
279 | void AliCFGrid::SetElement(Int_t *bin, Float_t val) | |
280 | { | |
281 | // | |
282 | // Sets grid element of bin indeces bin to val | |
283 | // | |
1e9dad92 | 284 | //-1 is to move from TH/ThnSparse N-dim bin convention to one in AliCFFrame |
285 | for(Int_t i=0;i<fNVar; i++)fIndex[i]=bin[i]-1; | |
286 | Int_t ind =GetBinIndex(fIndex); | |
287 | SetElement(ind,val); | |
563113d0 | 288 | } |
289 | //____________________________________________________________________ | |
1e9dad92 | 290 | void AliCFGrid::SetElement(Double_t *var, Float_t val) |
563113d0 | 291 | { |
292 | // | |
293 | // Set the content in a bin to value val corresponding to a set of input variables | |
294 | // | |
295 | Int_t unfl=0; | |
296 | Int_t ovfl=0; | |
297 | for(Int_t i=0;i<fNVar;i++){ | |
298 | Int_t nbins=fNVarBins[i]+1; | |
299 | Float_t *bins=new Float_t[nbins]; | |
300 | for(Int_t ibin =0;ibin<nbins;ibin++){ | |
301 | bins[ibin] = fVarBinLimits[ibin+fOffset[i]]; | |
302 | } | |
303 | ||
304 | fIndex[i] = TMath::BinarySearch(nbins,bins,var[i]); | |
305 | //underflows | |
306 | ||
307 | if(var[i] < bins[0]){ | |
308 | unfl=1; | |
309 | } | |
310 | ||
311 | //overflows | |
312 | ||
313 | if(var[i] > bins[nbins-1]){ | |
314 | ovfl=1; | |
315 | } | |
316 | delete [] bins; | |
317 | } | |
318 | ||
1e9dad92 | 319 | //move to the TH/THnSparse convention in N-dim bin numbering |
320 | for(Int_t i=0;i<fNVar; i++)fIndex[i]+=1; | |
563113d0 | 321 | if(!(ovfl==1 || unfl==1)){ |
322 | SetElement(fIndex,val); | |
323 | } | |
324 | else{ | |
325 | AliInfo(Form(" input variables outside the grid, no value set")); | |
326 | } | |
327 | } | |
328 | //____________________________________________________________________ | |
329 | void AliCFGrid::SetElementError(Int_t iel, Float_t val) | |
330 | { | |
331 | // | |
1e9dad92 | 332 | // Set squared error on grid element iel to val*val |
563113d0 | 333 | // |
334 | if(iel>=fNDim){ | |
335 | AliInfo(Form(" element index outside the grid, no value set")); | |
336 | return; | |
337 | } | |
338 | if(!fErr2)SumW2(); | |
1e9dad92 | 339 | fErr2[iel]=val*val; |
563113d0 | 340 | } |
341 | //____________________________________________________________________ | |
342 | void AliCFGrid::SetElementError(Int_t *bin, Float_t val) | |
343 | { | |
344 | // | |
345 | // Set squared error to val on grid element of bin indeces bin | |
346 | // | |
1e9dad92 | 347 | //-1 is to move from TH/ThnSparse N-dim bin convention to one in AliCFFrame |
348 | for(Int_t i=0;i<fNVar; i++)fIndex[i]=bin[i]-1; | |
349 | Int_t ind =GetBinIndex(fIndex); | |
350 | SetElementError(ind,val); | |
563113d0 | 351 | } |
352 | //____________________________________________________________________ | |
1e9dad92 | 353 | void AliCFGrid::SetElementError(Double_t *var, Float_t val) |
563113d0 | 354 | { |
355 | // | |
356 | // Set squared error to val in a bin corresponding to a set of input variables | |
357 | // | |
358 | Int_t unfl=0; | |
359 | Int_t ovfl=0; | |
360 | for(Int_t i=0;i<fNVar;i++){ | |
361 | Int_t nbins=fNVarBins[i]+1; | |
362 | Float_t *bins=new Float_t[nbins]; | |
363 | for(Int_t ibin =0;ibin<nbins;ibin++){ | |
364 | bins[ibin] = fVarBinLimits[ibin+fOffset[i]]; | |
365 | } | |
366 | ||
367 | fIndex[i] = TMath::BinarySearch(nbins,bins,var[i]); | |
368 | //underflows | |
369 | ||
370 | if(var[i] < bins[0]){ | |
371 | unfl=1; | |
372 | } | |
373 | ||
374 | //overflows | |
375 | ||
376 | if(var[i] > bins[nbins-1]){ | |
377 | ovfl=1; | |
378 | } | |
379 | delete [] bins; | |
380 | } | |
381 | ||
1e9dad92 | 382 | //move to the TH/THnSparse convention in N-dim bin numbering |
383 | for(Int_t i=0;i<fNVar; i++)fIndex[i]+=1; | |
384 | ||
563113d0 | 385 | if(!(ovfl==1 || unfl==1)){ |
386 | SetElementError(fIndex,val); | |
387 | } | |
388 | else{ | |
389 | AliInfo(Form(" input variables outside the grid, no value set")); | |
390 | } | |
391 | } | |
392 | //____________________________________________________________________ | |
1e9dad92 | 393 | void AliCFGrid::Fill(Double_t *var, Double_t weight) |
563113d0 | 394 | { |
1e9dad92 | 395 | |
563113d0 | 396 | // |
1e9dad92 | 397 | // Fill the grid, |
398 | // given a set of values of the input variable, | |
399 | // with weight (by default w=1) | |
563113d0 | 400 | // |
1e9dad92 | 401 | |
402 | ||
403 | Int_t isunfl=0; | |
404 | Int_t isovfl=0; | |
405 | Int_t *unfl=new Int_t[fNVar]; | |
406 | Int_t *ovfl=new Int_t[fNVar]; | |
407 | ||
408 | for(Int_t i=0;i<fNVar;i++){ | |
409 | unfl[i]=0; | |
410 | ovfl[i]=0; | |
563113d0 | 411 | } |
1e9dad92 | 412 | |
563113d0 | 413 | for(Int_t i=0;i<fNVar;i++){ |
414 | Int_t nbins=fNVarBins[i]+1; | |
415 | Float_t *bins=new Float_t[nbins]; | |
416 | for(Int_t ibin =0;ibin<nbins;ibin++){ | |
417 | bins[ibin] = fVarBinLimits[ibin+fOffset[i]]; | |
418 | } | |
419 | ||
420 | fIndex[i] = TMath::BinarySearch(nbins,bins,var[i]); | |
421 | //underflows | |
422 | ||
423 | if(var[i] < bins[0]){ | |
1e9dad92 | 424 | unfl[i]=1; |
425 | isunfl=1; | |
563113d0 | 426 | } |
427 | ||
428 | //overflows | |
429 | ||
430 | if(var[i] > bins[nbins-1]){ | |
1e9dad92 | 431 | ovfl[i]=1; |
432 | isovfl=1; | |
563113d0 | 433 | } |
434 | delete [] bins; | |
435 | } | |
436 | ||
1e9dad92 | 437 | //exclusive under/overflows |
563113d0 | 438 | |
563113d0 | 439 | for(Int_t i=0;i<fNVar;i++){ |
1e9dad92 | 440 | Bool_t add=kTRUE; |
441 | for(Int_t j=0;j<fNVar;j++){ | |
442 | if(i==j)continue; | |
443 | if(!(unfl[j]==0 && ovfl[j]==0))add=kFALSE; | |
563113d0 | 444 | } |
1e9dad92 | 445 | if(add && unfl[i]==1)fNunfl[i]++; |
446 | if(add && ovfl[i]==1)fNovfl[i]++; | |
563113d0 | 447 | } |
448 | ||
1e9dad92 | 449 | delete [] unfl; |
450 | delete [] ovfl; | |
451 | ||
563113d0 | 452 | // Total number of entries, overflows and underflows |
453 | ||
454 | fNentriesTot++; | |
563113d0 | 455 | |
456 | //if not ovfl/unfl, fill the element | |
1e9dad92 | 457 | |
458 | if(!(isovfl==1 || isunfl==1)){ | |
563113d0 | 459 | Int_t ind =GetBinIndex(fIndex); |
460 | fData[ind]+=weight; | |
461 | if(fSumW2)fErr2[ind]+=(weight*weight); | |
462 | } | |
463 | } | |
464 | //____________________________________________________________________ | |
465 | Float_t AliCFGrid::GetOverFlows( Int_t ivar) const { | |
466 | // | |
467 | // Get overflows in variable var | |
468 | // | |
469 | return fNovfl[ivar]; | |
470 | } | |
471 | //____________________________________________________________________ | |
563113d0 | 472 | Float_t AliCFGrid::GetUnderFlows( Int_t ivar) const { |
473 | // | |
474 | // Get overflows in variable var | |
475 | // | |
476 | return fNunfl[ivar]; | |
477 | } | |
478 | //____________________________________________________________________ | |
563113d0 | 479 | Float_t AliCFGrid::GetEntries( ) const { |
480 | // | |
481 | // Get total entries (in grid + over/underflows) | |
482 | // | |
483 | return fNentriesTot; | |
484 | } | |
563113d0 | 485 | //___________________________________________________________________ |
1e9dad92 | 486 | TH1D *AliCFGrid::Project(Int_t ivar) const |
563113d0 | 487 | { |
488 | // | |
489 | // Make a 1D projection along variable ivar | |
490 | ||
491 | ||
492 | Int_t nbins =fNVarBins[ivar]; | |
493 | Float_t *bins = new Float_t[nbins+1]; | |
494 | for (Int_t i=0;i<=fNVar;i++){ | |
495 | } | |
496 | for(Int_t ibin =0;ibin<nbins+1;ibin++){ | |
497 | bins[ibin] = fVarBinLimits[ibin+fOffset[ivar]]; | |
498 | } | |
499 | ||
500 | char pname[40]; | |
501 | sprintf(pname,"%s%s_%i",GetName(),"_proj1D_var", ivar); | |
502 | char htitle[40]; | |
503 | sprintf(htitle,"%s%s_%i",GetName(),"_proj1D_var", ivar); | |
504 | ||
1e9dad92 | 505 | TH1D *proj1D=0; |
563113d0 | 506 | |
507 | //check if a projection with identical name exist | |
508 | TObject *obj = gROOT->FindObject(pname); | |
1e9dad92 | 509 | if (obj && obj->InheritsFrom("TH1D")) { |
510 | proj1D = (TH1D*)obj; | |
563113d0 | 511 | proj1D->Reset(); |
512 | } | |
513 | ||
514 | if(!proj1D){ | |
1e9dad92 | 515 | proj1D =new TH1D(pname,htitle, nbins, bins); |
563113d0 | 516 | } |
517 | ||
518 | delete [] bins; | |
519 | Float_t sum=0; | |
520 | Float_t *data= new Float_t[nbins]; | |
521 | Float_t *err= new Float_t[nbins]; | |
522 | ||
523 | for(Int_t ibin=0;ibin<nbins;ibin++)data[ibin]=0; | |
524 | for(Int_t ibin=0;ibin<nbins;ibin++)err[ibin]=0; | |
525 | for(Int_t iel=0;iel<fNDim;iel++){ | |
526 | data[GetBinIndex(ivar,iel)]+=fData[iel]; | |
527 | if(fSumW2)err[GetBinIndex(ivar,iel)]+=fErr2[iel]; | |
528 | } | |
529 | ||
530 | for(Int_t ibin =0;ibin<nbins;ibin++){ | |
531 | proj1D->SetBinContent(ibin+1,data[ibin]); | |
532 | proj1D->SetBinError(ibin+1,TMath::Sqrt(data[ibin])); | |
533 | if(fSumW2)proj1D->SetBinError(ibin+1,TMath::Sqrt(err[ibin])); | |
534 | sum+=data[ibin]; | |
535 | } | |
536 | ||
537 | delete [] data; | |
538 | delete [] err; | |
539 | proj1D->SetBinContent(nbins+1,GetOverFlows(ivar)); | |
540 | proj1D->SetBinContent(0,GetUnderFlows(ivar)); | |
1e9dad92 | 541 | proj1D->SetEntries(sum+GetUnderFlows(ivar)+GetOverFlows(ivar)); |
563113d0 | 542 | return proj1D; |
543 | } | |
544 | ||
545 | //___________________________________________________________________ | |
1e9dad92 | 546 | TH2D *AliCFGrid::Project(Int_t ivar1, Int_t ivar2) const |
563113d0 | 547 | { |
548 | // | |
549 | // Make a 2D projection along variable ivar | |
550 | ||
551 | Int_t nbins1 =fNVarBins[ivar1]; | |
552 | Int_t nbins2 =fNVarBins[ivar2]; | |
553 | ||
554 | Float_t *bins1 = new Float_t[nbins1+1]; | |
555 | Float_t *bins2 = new Float_t[nbins2+1]; | |
556 | ||
557 | for(Int_t ibin =0;ibin<nbins1+1;ibin++){ | |
558 | bins1[ibin] = fVarBinLimits[ibin+fOffset[ivar1]]; | |
559 | } | |
560 | for(Int_t ibin =0;ibin<nbins2+1;ibin++){ | |
561 | bins2[ibin] = fVarBinLimits[ibin+fOffset[ivar2]]; | |
562 | } | |
563 | ||
564 | char pname[40]; | |
565 | sprintf(pname,"%s%s_%i_%i",GetName(),"_proj2D_var",ivar1,ivar2); | |
566 | char htitle[40]; | |
567 | sprintf(htitle,"%s%s_%i_%i",GetName(),"_proj2D_var",ivar1,ivar2); | |
568 | ||
1e9dad92 | 569 | TH2D *proj2D=0; |
563113d0 | 570 | |
571 | //check if a projection with identical name exist | |
572 | TObject *obj = gROOT->FindObject(pname); | |
1e9dad92 | 573 | if (obj && obj->InheritsFrom("TH2D")) { |
574 | proj2D = (TH2D*)obj; | |
563113d0 | 575 | proj2D->Reset(); |
576 | } | |
577 | ||
578 | if(!proj2D){ | |
1e9dad92 | 579 | proj2D =new TH2D(pname,htitle, nbins1, bins1,nbins2,bins2); |
563113d0 | 580 | } |
581 | ||
582 | delete [] bins1; | |
583 | delete [] bins2; | |
584 | ||
585 | ||
586 | Float_t sum=0; | |
587 | Float_t **data=new Float_t*[nbins1]; | |
588 | Float_t *data2=new Float_t[nbins1*nbins2]; | |
589 | Float_t **err=new Float_t*[nbins1]; | |
590 | Float_t *err2=new Float_t[nbins1*nbins2]; | |
591 | for(Int_t i=0;i<nbins1;i++)data[i] = data2+i*nbins2; | |
592 | for(Int_t i=0;i<nbins1;i++)err[i] = err2+i*nbins2; | |
593 | ||
594 | for(Int_t ibin1 =0;ibin1<nbins1;ibin1++){ | |
595 | for(Int_t ibin2 =0;ibin2<nbins2;ibin2++){ | |
596 | data[ibin1][ibin2]=0; | |
597 | err[ibin1][ibin2]=0; | |
598 | } | |
599 | } | |
600 | ||
601 | for(Int_t iel=0;iel<fNDim;iel++){ | |
602 | data[GetBinIndex(ivar1,iel)][GetBinIndex(ivar2,iel)]+=fData[iel]; | |
603 | if(fSumW2)err[GetBinIndex(ivar1,iel)][GetBinIndex(ivar2,iel)]+=fErr2[iel]; | |
604 | } | |
605 | ||
606 | for(Int_t ibin1 =0;ibin1<nbins1;ibin1++){ | |
607 | for(Int_t ibin2 =0;ibin2<nbins2;ibin2++){ | |
608 | proj2D->SetBinContent(ibin1+1,ibin2+1,data[ibin1][ibin2]); | |
609 | proj2D->SetBinError(ibin1+1,ibin2+1,TMath::Sqrt(data[ibin1][ibin2])); | |
610 | if(fSumW2)proj2D->SetBinError(ibin1+1,ibin2+1,TMath::Sqrt(err[ibin1][ibin2])); | |
611 | sum+=data[ibin1][ibin2]; | |
612 | } | |
613 | ||
614 | } | |
615 | delete data; | |
616 | delete data2; | |
617 | delete err; | |
618 | delete err2; | |
619 | proj2D->SetBinContent(0,nbins2/2,GetUnderFlows(ivar1)); | |
620 | proj2D->SetBinContent(nbins1+1,nbins2/2,GetOverFlows(ivar1)); | |
621 | proj2D->SetBinContent(nbins1/2,0,GetUnderFlows(ivar2)); | |
622 | proj2D->SetBinContent(nbins1/2,nbins2+1,GetOverFlows(ivar2)); | |
1e9dad92 | 623 | proj2D->SetEntries(sum+GetUnderFlows(ivar1)+GetOverFlows(ivar1)+GetUnderFlows(ivar2)+GetOverFlows(ivar2)); |
563113d0 | 624 | return proj2D; |
625 | } | |
626 | //___________________________________________________________________ | |
1e9dad92 | 627 | TH3D *AliCFGrid::Project(Int_t ivar1, Int_t ivar2, Int_t ivar3) const |
563113d0 | 628 | { |
629 | // | |
630 | // Make a 3D projection along variable ivar | |
631 | ||
632 | Int_t nbins1 =fNVarBins[ivar1]; | |
633 | Int_t nbins2 =fNVarBins[ivar2]; | |
634 | Int_t nbins3 =fNVarBins[ivar3]; | |
635 | ||
636 | Float_t *bins1 = new Float_t[nbins1+1]; | |
637 | Float_t *bins2 = new Float_t[nbins2+1]; | |
638 | Float_t *bins3 = new Float_t[nbins3+1]; | |
639 | ||
640 | for(Int_t ibin =0;ibin<nbins1+1;ibin++){ | |
641 | bins1[ibin] = fVarBinLimits[ibin+fOffset[ivar1]]; | |
642 | } | |
643 | for(Int_t ibin =0;ibin<nbins2+1;ibin++){ | |
644 | bins2[ibin] = fVarBinLimits[ibin+fOffset[ivar2]]; | |
645 | } | |
646 | for(Int_t ibin =0;ibin<nbins3+1;ibin++){ | |
647 | bins3[ibin] = fVarBinLimits[ibin+fOffset[ivar3]]; | |
648 | } | |
649 | ||
650 | char pname[40]; | |
651 | sprintf(pname,"%s%s_%i_%i_%i",GetName(),"_proj3D_var",ivar1,ivar2,ivar3); | |
652 | char htitle[40]; | |
653 | sprintf(htitle,"%s%s_%i_%i_%i",GetName(),"_proj3D_var",ivar1,ivar2,ivar3); | |
654 | ||
1e9dad92 | 655 | TH3D *proj3D=0; |
563113d0 | 656 | |
657 | //check if a projection with identical name exist | |
658 | TObject *obj = gROOT->FindObject(pname); | |
1e9dad92 | 659 | if (obj && obj->InheritsFrom("TH3D")) { |
660 | proj3D = (TH3D*)obj; | |
563113d0 | 661 | proj3D->Reset(); |
662 | } | |
663 | ||
664 | if(!proj3D){ | |
1e9dad92 | 665 | proj3D =new TH3D(pname,htitle, nbins1,bins1,nbins2,bins2,nbins3,bins3); |
563113d0 | 666 | } |
667 | ||
668 | delete [] bins1; | |
669 | delete [] bins2; | |
670 | delete [] bins3; | |
671 | ||
672 | ||
673 | Float_t sum=0; | |
674 | Float_t ***data=new Float_t**[nbins1]; | |
675 | Float_t **data2=new Float_t*[nbins1*nbins2]; | |
676 | Float_t *data3=new Float_t[nbins1*nbins2*nbins3]; | |
677 | Float_t ***err=new Float_t**[nbins1]; | |
678 | Float_t **err2=new Float_t*[nbins1*nbins2]; | |
679 | Float_t *err3=new Float_t[nbins1*nbins2*nbins3]; | |
680 | for(Int_t i=0;i<nbins1;i++)data[i] = data2+i*nbins2; | |
681 | for(Int_t i=0;i<nbins1;i++)err[i] = err2+i*nbins2; | |
682 | for(Int_t i=0;i<nbins1;i++){ | |
683 | for(Int_t j=0;j<nbins2;j++){ | |
684 | data[i][j] = data3+i*nbins2*nbins3+j*nbins3; | |
685 | err[i][j] = err3+i*nbins2*nbins3+j*nbins3; | |
686 | } | |
687 | } | |
688 | for(Int_t ibin1 =0;ibin1<nbins1;ibin1++){ | |
689 | for(Int_t ibin2 =0;ibin2<nbins2;ibin2++){ | |
690 | for(Int_t ibin3 =0;ibin3<nbins3;ibin3++){ | |
691 | data[ibin1][ibin2][ibin3]=0; | |
692 | err[ibin1][ibin2][ibin3]=0; | |
693 | } | |
694 | } | |
695 | } | |
696 | ||
697 | for(Int_t iel=0;iel<fNDim;iel++){ | |
698 | data[GetBinIndex(ivar1,iel)][GetBinIndex(ivar2,iel)][GetBinIndex(ivar3,iel)]+=fData[iel]; | |
699 | if(fSumW2)err[GetBinIndex(ivar1,iel)][GetBinIndex(ivar2,iel)][GetBinIndex(ivar3,iel)]+=fErr2[iel]; | |
700 | } | |
701 | ||
702 | for(Int_t ibin1 =0;ibin1<nbins1;ibin1++){ | |
703 | for(Int_t ibin2 =0;ibin2<nbins2;ibin2++){ | |
704 | for(Int_t ibin3 =0;ibin3<nbins3;ibin3++){ | |
705 | proj3D->SetBinContent(ibin1+1,ibin2+1,ibin3+1,data[ibin1][ibin2][ibin3]); | |
706 | proj3D->SetBinError(ibin1+1,ibin2+1,ibin3+1,TMath::Sqrt(data[ibin1][ibin2][ibin3])); | |
707 | if(fSumW2)proj3D->SetBinError(ibin1+1,ibin2+1,ibin3+1,TMath::Sqrt(err[ibin1][ibin2][ibin3])); | |
708 | sum+=data[ibin1][ibin2][ibin3]; | |
709 | } | |
710 | } | |
711 | } | |
712 | ||
713 | delete data; | |
714 | delete data2; | |
715 | delete data3; | |
716 | delete err; | |
717 | delete err2; | |
718 | delete err3; | |
1e9dad92 | 719 | proj3D->SetEntries(sum+GetUnderFlows(ivar1)+GetOverFlows(ivar1)+GetUnderFlows(ivar2)+GetOverFlows(ivar2)+GetUnderFlows(ivar3)+GetOverFlows(ivar3)); |
563113d0 | 720 | return proj3D; |
721 | } | |
722 | ||
723 | //___________________________________________________________________ | |
1e9dad92 | 724 | TH1D *AliCFGrid::Slice(Int_t ivar, Double_t *varMin, Double_t* varMax) const |
563113d0 | 725 | { |
726 | // | |
727 | // Make a slice along variable ivar in range [varMin,varMax] | |
728 | ||
729 | ||
730 | Int_t nbins =fNVarBins[ivar]; | |
731 | Float_t *bins = new Float_t[nbins+1]; | |
732 | for (Int_t i=0;i<=fNVar;i++){ | |
733 | } | |
734 | for(Int_t ibin =0;ibin<nbins+1;ibin++){ | |
735 | bins[ibin] = fVarBinLimits[ibin+fOffset[ivar]]; | |
736 | } | |
737 | ||
738 | char pname[40]; | |
739 | sprintf(pname,"%s%s_%i",GetName(),"_proj1D_var", ivar); | |
740 | char htitle[40]; | |
741 | sprintf(htitle,"%s%s_%i",GetName(),"_proj1D_var", ivar); | |
742 | ||
1e9dad92 | 743 | TH1D *proj1D=0; |
563113d0 | 744 | |
745 | //check if a projection with identical name exist | |
746 | TObject *obj = gROOT->FindObject(pname); | |
1e9dad92 | 747 | if (obj && obj->InheritsFrom("TH1D")) { |
748 | proj1D = (TH1D*)obj; | |
563113d0 | 749 | proj1D->Reset(); |
750 | } | |
751 | ||
752 | if(!proj1D){ | |
1e9dad92 | 753 | proj1D =new TH1D(pname,htitle, nbins, bins); |
563113d0 | 754 | } |
755 | ||
756 | delete [] bins; | |
757 | ||
758 | ||
759 | Int_t *indexMin=new Int_t[fNVar]; | |
760 | Int_t *indexMax=new Int_t[fNVar]; | |
761 | ||
762 | ||
763 | //Find out the min and max bins | |
764 | ||
765 | for(Int_t i=0;i<fNVar;i++){ | |
766 | Float_t xmin=varMin[i]; // the min values | |
767 | Float_t xmax=varMax[i]; // the min values | |
768 | Int_t nbins=fNVarBins[i]+1; | |
769 | Float_t *bins=new Float_t[nbins]; | |
770 | for(Int_t ibin =0;ibin<nbins;ibin++){ | |
771 | bins[ibin] = fVarBinLimits[ibin+fOffset[i]]; | |
772 | } | |
773 | indexMin[i] = TMath::BinarySearch(nbins,bins,xmin); | |
774 | indexMax[i] = TMath::BinarySearch(nbins,bins,xmax); | |
563113d0 | 775 | delete [] bins; |
776 | } | |
777 | ||
778 | Float_t sum=0; | |
779 | Float_t *data= new Float_t[nbins]; | |
780 | for(Int_t ibin=0;ibin<nbins;ibin++)data[ibin]=0; | |
781 | ||
782 | Int_t *index= new Int_t[fNVar]; | |
783 | Int_t ielmin=GetBinIndex(indexMin); | |
784 | Int_t ielmax=GetBinIndex(indexMax); | |
785 | for(Int_t iel=ielmin;iel<=ielmax;iel++){ | |
786 | GetBinIndex(iel,index); | |
787 | Bool_t isIn=kTRUE; | |
788 | for (Int_t j=0;j<fNVar;j++){ | |
789 | if(!(index[j]>=indexMin[j] && index[j]<=indexMax[j]))isIn=kFALSE; | |
790 | break; | |
791 | } | |
792 | if(isIn)data[GetBinIndex(ivar,iel)]+=fData[iel]; | |
793 | } | |
794 | ||
795 | delete [] index; | |
796 | ||
797 | ||
798 | for(Int_t ibin =0;ibin<nbins;ibin++){ | |
799 | proj1D->SetBinContent(ibin+1,data[ibin]); | |
800 | proj1D->SetBinError(ibin+1,TMath::Sqrt(data[ibin])); | |
801 | sum+=data[ibin]; | |
802 | } | |
803 | ||
804 | delete [] data; | |
805 | ||
806 | proj1D->SetEntries(sum); | |
807 | return proj1D; | |
808 | } | |
809 | ||
563113d0 | 810 | |
811 | //____________________________________________________________________ | |
1e9dad92 | 812 | void AliCFGrid::Add(AliCFVGrid* aGrid, Double_t c) |
563113d0 | 813 | { |
814 | // | |
815 | //add aGrid to the current one | |
816 | // | |
817 | ||
818 | if(aGrid->GetNVar()!=fNVar){ | |
819 | AliInfo("Different number of variables, cannot add the grids"); | |
820 | return; | |
821 | } | |
822 | if(aGrid->GetNDim()!=fNDim){ | |
823 | AliInfo("Different number of dimensions, cannot add the grids!"); | |
824 | return; | |
825 | } | |
826 | ||
827 | if(!fSumW2 && aGrid->GetSumW2())SumW2(); | |
828 | ||
829 | for(Int_t iel=0;iel<fNDim;iel++){ | |
830 | fData[iel]+=(c*aGrid->GetElement(iel)); | |
831 | if(fSumW2){ | |
1e9dad92 | 832 | Float_t err=aGrid->GetElementError(iel); |
563113d0 | 833 | fErr2[iel]+=c*c*err*err; |
834 | } | |
835 | } | |
836 | ||
837 | //Add entries, overflows and underflows | |
838 | ||
839 | fNentriesTot+= c*aGrid->GetEntries(); | |
563113d0 | 840 | for(Int_t j=0;j<fNVar;j++){ |
841 | fNunfl[j]+= c*aGrid->GetUnderFlows(j); | |
db6722a5 | 842 | fNovfl[j]+= c*aGrid->GetOverFlows(j); |
563113d0 | 843 | } |
844 | } | |
845 | //____________________________________________________________________ | |
1e9dad92 | 846 | void AliCFGrid::Add(AliCFVGrid* aGrid1, AliCFVGrid* aGrid2, Double_t c1,Double_t c2) |
563113d0 | 847 | { |
848 | // | |
849 | //add aGrid1 and aGrid2 | |
850 | // | |
851 | ||
852 | if(fNVar!=aGrid1->GetNVar()|| fNVar!=aGrid2->GetNVar()){ | |
853 | AliInfo("Different number of variables, cannot add the grids"); | |
854 | return; | |
855 | } | |
856 | if(fNDim!=aGrid1->GetNDim()|| fNDim!=aGrid2->GetNDim()){ | |
857 | AliInfo("Different number of dimensions, cannot add the grids!"); | |
858 | return; | |
859 | } | |
860 | ||
861 | if(!fSumW2 && (aGrid1->GetSumW2() || aGrid2->GetSumW2()))SumW2(); | |
862 | ||
863 | Float_t cont1,cont2,err1,err2; | |
864 | ||
865 | for(Int_t iel=0;iel<fNDim;iel++){ | |
866 | cont1=aGrid1->GetElement(iel); | |
867 | cont2=aGrid2->GetElement(iel); | |
868 | SetElement(iel,c1*cont1+c2*cont2); | |
869 | if(fSumW2){ | |
1e9dad92 | 870 | err1=aGrid1->GetElementError(iel); |
871 | err2=aGrid2->GetElementError(iel); | |
872 | SetElementError(iel,TMath::Sqrt(c1*c1*err1*err1+c2*c2*err2*err2)); | |
563113d0 | 873 | } |
874 | } | |
875 | ||
876 | //Add entries, overflows and underflows | |
877 | ||
878 | fNentriesTot= c1*aGrid1->GetEntries()+c2*aGrid2->GetEntries(); | |
563113d0 | 879 | for(Int_t j=0;j<fNVar;j++){ |
880 | fNunfl[j]= c1*aGrid1->GetUnderFlows(j)+c2*aGrid2->GetUnderFlows(j); | |
db6722a5 | 881 | fNovfl[j]= c1*aGrid1->GetOverFlows(j)+c2*aGrid2->GetOverFlows(j); |
563113d0 | 882 | } |
883 | } | |
884 | //____________________________________________________________________ | |
1e9dad92 | 885 | void AliCFGrid::Multiply(AliCFVGrid* aGrid, Double_t c) |
563113d0 | 886 | { |
887 | // | |
888 | //multiply grid aGrid by the current one | |
889 | // | |
890 | ||
891 | if(aGrid->GetNVar()!=fNVar){ | |
892 | AliInfo("Different number of variables, cannot multiply the grids"); | |
893 | return; | |
894 | } | |
895 | if(aGrid->GetNDim()!=fNDim){ | |
896 | AliInfo("Different number of dimensions, cannot multiply the grids!"); | |
897 | return; | |
898 | } | |
899 | ||
900 | if(!fSumW2 && aGrid->GetSumW2())SumW2(); | |
901 | ||
902 | Float_t cont1,cont2,err1,err2; | |
903 | ||
904 | for(Int_t iel=0;iel<fNDim;iel++){ | |
905 | cont1=GetElement(iel); | |
906 | cont2=c*aGrid->GetElement(iel); | |
907 | SetElement(iel,cont1*cont2); | |
908 | if(fSumW2){ | |
1e9dad92 | 909 | err1=GetElementError(iel); |
910 | err2=aGrid->GetElementError(iel); | |
911 | SetElementError(iel,TMath::Sqrt(c*c*(cont2*cont2*err1*err1+cont1*cont1*err2*err2))); | |
563113d0 | 912 | } |
913 | } | |
914 | ||
915 | //Set entries to the number of bins, preserve original overflows and underflows | |
916 | ||
917 | fNentriesTot=fNDim; | |
563113d0 | 918 | for(Int_t j=0;j<fNVar;j++){ |
919 | fNunfl[j]= GetUnderFlows(j); | |
db6722a5 | 920 | fNovfl[j]= GetOverFlows(j); |
563113d0 | 921 | } |
922 | } | |
923 | //____________________________________________________________________ | |
1e9dad92 | 924 | void AliCFGrid::Multiply(AliCFVGrid* aGrid1, AliCFVGrid* aGrid2, Double_t c1, Double_t c2) |
563113d0 | 925 | { |
926 | // | |
927 | //multiply grids aGrid1 and aGrid2 | |
928 | // | |
929 | ||
930 | if(fNVar!=aGrid1->GetNVar()|| fNVar!=aGrid2->GetNVar()){ | |
931 | AliInfo("Different number of variables, cannot multiply the grids"); | |
932 | return; | |
933 | } | |
934 | if(fNDim!=aGrid1->GetNDim()|| fNDim!=aGrid2->GetNDim()){ | |
935 | AliInfo("Different number of dimensions, cannot multiply the grids!"); | |
936 | return; | |
937 | } | |
938 | ||
939 | if(!fSumW2 && (aGrid1->GetSumW2() || aGrid2->GetSumW2()))SumW2(); | |
940 | ||
941 | Float_t cont1,cont2,err1,err2; | |
942 | for(Int_t iel=0;iel<fNDim;iel++){ | |
943 | cont1=c1*aGrid1->GetElement(iel); | |
944 | cont2=c2*aGrid2->GetElement(iel); | |
945 | SetElement(iel,cont1*cont2); | |
946 | if(fSumW2){ | |
1e9dad92 | 947 | err1=aGrid1->GetElementError(iel); |
948 | err2=aGrid2->GetElementError(iel); | |
949 | SetElementError(iel,TMath::Sqrt(c1*c1*c2*c2*(cont2*cont2*err1*err1+cont1*cont1*err2*err2))); | |
563113d0 | 950 | } |
951 | } | |
952 | ||
953 | //Set entries to the number of bins, preserve original overflows and underflows | |
954 | ||
955 | fNentriesTot=fNDim; | |
563113d0 | 956 | for(Int_t j=0;j<fNVar;j++){ |
957 | fNunfl[j]= GetUnderFlows(j); | |
db6722a5 | 958 | fNovfl[j]= GetOverFlows(j); |
563113d0 | 959 | } |
960 | } | |
961 | //____________________________________________________________________ | |
1e9dad92 | 962 | void AliCFGrid::Divide(AliCFVGrid* aGrid, Double_t c) |
563113d0 | 963 | { |
964 | // | |
965 | //divide current grid by grid aGrid | |
966 | // | |
967 | ||
563113d0 | 968 | if(aGrid->GetNVar()!=fNVar){ |
969 | AliInfo("Different number of variables, cannot divide the grids"); | |
970 | return; | |
971 | } | |
972 | if(aGrid->GetNDim()!=fNDim){ | |
973 | AliInfo("Different number of dimensions, cannot divide the grids!"); | |
974 | return; | |
975 | } | |
976 | if(!c){AliInfo(Form("c is %f, cannot divide!",c)); return;} | |
977 | ||
978 | if(!fSumW2 && aGrid->GetSumW2())SumW2(); | |
979 | ||
1e9dad92 | 980 | Float_t cont1,cont2,err1,err2,den; |
563113d0 | 981 | for(Int_t iel=0;iel<fNDim;iel++){ |
982 | cont1=GetElement(iel); | |
983 | cont2=aGrid->GetElement(iel); | |
984 | if(cont2)SetElement(iel,cont1/(c*cont2)); | |
985 | else SetElement(iel,0); | |
986 | if(fSumW2){ | |
1e9dad92 | 987 | err1=GetElementError(iel); |
988 | err2=aGrid->GetElementError(iel); | |
563113d0 | 989 | if(!cont2){SetElementError(iel,0.); continue;} |
1e9dad92 | 990 | den=cont2*cont2*cont2*c*c; |
991 | SetElementError(iel,TMath::Sqrt((cont2*cont2*err1*err1+cont1*cont1*err2*err2)/den)); | |
563113d0 | 992 | } |
993 | } | |
1e9dad92 | 994 | |
563113d0 | 995 | //Set entries to the number of bins, preserve original overflows and underflows |
996 | ||
997 | fNentriesTot=fNDim; | |
563113d0 | 998 | for(Int_t j=0;j<fNVar;j++){ |
999 | fNunfl[j]= GetUnderFlows(j); | |
db6722a5 | 1000 | fNovfl[j]= GetOverFlows(j); |
563113d0 | 1001 | } |
1002 | } | |
1003 | //____________________________________________________________________ | |
1e9dad92 | 1004 | void AliCFGrid::Divide(AliCFVGrid* aGrid1, AliCFVGrid* aGrid2, Double_t c1,Double_t c2, Option_t *option) |
563113d0 | 1005 | { |
1006 | // | |
1007 | //divide grids aGrid1,aGrid2 | |
1008 | // | |
1009 | ||
1010 | TString opt = option; | |
1011 | opt.ToUpper(); | |
1012 | ||
1013 | if(fNVar!=aGrid1->GetNVar()|| fNVar!=aGrid2->GetNVar()){ | |
1014 | AliInfo("Different number of variables, cannot divide the grids"); | |
1015 | return; | |
1016 | } | |
1017 | if(fNDim!=aGrid1->GetNDim()|| fNDim!=aGrid2->GetNDim()){ | |
1018 | AliInfo("Different number of dimensions, cannot divide the grids!"); | |
1019 | return; | |
1020 | } | |
1021 | if(!c2){AliInfo(Form("c2 is %f, cannot divide!",c2)); return;} | |
1022 | ||
1023 | if(!fSumW2 && (aGrid1->GetSumW2() || aGrid2->GetSumW2()))SumW2(); | |
1024 | ||
1025 | Float_t cont1,cont2,err1,err2,r,den; | |
1026 | ||
1027 | for(Int_t iel=0;iel<fNDim;iel++){ | |
1028 | cont1=aGrid1->GetElement(iel); | |
1029 | cont2=aGrid2->GetElement(iel); | |
1030 | if(cont2)SetElement(iel,c1*cont1/(c2*cont2)); | |
1031 | else SetElement(iel,0); | |
1032 | if(fSumW2){ | |
1e9dad92 | 1033 | err1=aGrid1->GetElementError(iel); |
1034 | err2=aGrid2->GetElementError(iel); | |
563113d0 | 1035 | if(!cont2){SetElementError(iel,0.); continue;} |
1036 | if (opt.Contains("B")){ | |
1037 | if(cont1!=cont2){ | |
1038 | r=cont1/cont2; | |
1e9dad92 | 1039 | SetElementError(iel,TMath::Sqrt(TMath::Abs(((1.-2.*r)*err1*err1+r*r*err2*err2)/(cont2*cont2)))); |
563113d0 | 1040 | }else{ |
1041 | SetElementError(iel,0.); | |
1042 | } | |
1043 | }else{ | |
1044 | den=cont2*cont2*cont2*cont2*c2*c2; | |
1e9dad92 | 1045 | SetElementError(iel,TMath::Sqrt(c1*c1*(cont2*cont2*err1*err1+cont1*cont1*err2*err2)/den)); |
563113d0 | 1046 | } |
1047 | } | |
1048 | } | |
1049 | ||
1050 | //Set entries to the number of bins, preserve original overflows and underflows | |
1051 | ||
1052 | fNentriesTot=fNDim; | |
563113d0 | 1053 | for(Int_t j=0;j<fNVar;j++){ |
1054 | fNunfl[j]= GetUnderFlows(j); | |
db6722a5 | 1055 | fNovfl[j]= GetOverFlows(j); |
563113d0 | 1056 | } |
1057 | } | |
1058 | //____________________________________________________________________ | |
1059 | void AliCFGrid::SumW2() | |
1060 | { | |
1061 | // | |
1062 | //set calculation of the squared sum of the weighted entries | |
1063 | // | |
1064 | if(!fSumW2){ | |
1065 | fErr2=new Float_t [fNDim]; | |
1066 | //init.... | |
1067 | for(Int_t iel=0;iel<fNDim;iel++){ | |
1068 | fErr2[iel]=fData[iel]; | |
1069 | } | |
1070 | } | |
1071 | ||
1072 | fSumW2=kTRUE; | |
1073 | } | |
563113d0 | 1074 | //____________________________________________________________________ |
1075 | void AliCFGrid::Copy(TObject& c) const | |
1076 | { | |
1077 | // | |
1078 | // copy function | |
1079 | // | |
1080 | AliCFGrid& target = (AliCFGrid &) c; | |
1081 | ||
563113d0 | 1082 | target.fNentriesTot = fNentriesTot; |
563113d0 | 1083 | if (fNunfl) |
1084 | target.fNunfl = fNunfl; | |
1085 | if (fNovfl) | |
1086 | target.fNovfl = fNovfl; | |
563113d0 | 1087 | if (fData) |
1088 | target.fData = fData; | |
1089 | if (fErr2) | |
1090 | target.fErr2 = fErr2; | |
1091 | ||
1092 | } |