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Geant4/externals/g4tools/include/tools/histo/base_histo

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Differences between /externals/g4tools/include/tools/histo/base_histo (Version 11.3.0) and /externals/g4tools/include/tools/histo/base_histo (Version 10.7.p1)


  1 // Copyright (C) 2010, Guy Barrand. All rights    
  2 // See the file tools.license for terms.          
  3                                                   
  4 #ifndef tools_histo_base_histo                    
  5 #define tools_histo_base_histo                    
  6                                                   
  7 #ifdef TOOLS_MEM                                  
  8 #include "../mem"                                 
  9 #endif                                            
 10                                                   
 11 #include "histo_data"                             
 12                                                   
 13 #include <cmath>                                  
 14 #include <map> //for annotations                  
 15 #include <ostream>                                
 16                                                   
 17 namespace tools {                                 
 18 namespace histo {                                 
 19                                                   
 20 //TC is for a coordinate.                         
 21 //TO is for an offset used to identify a bin.     
 22 //TN is for a number of entries.                  
 23 //TW is for a weight.                             
 24 //TH is for a height.                             
 25                                                   
 26 template <class TC,class TO,class TN,class TW,    
 27 class base_histo : protected histo_data<TC,TO,    
 28   typedef histo_data<TC,TO,TN,TW> parent;         
 29 private:                                          
 30   static const std::string& s_class() {           
 31     static const std::string s_v("tools::histo    
 32     return s_v;                                   
 33   }                                               
 34 public:                                           
 35   typedef histo_data<TC,TO,TN,TW> hd_t;           
 36   typedef axis<TC,TO> axis_t;                     
 37   typedef typename axis_t::bn_t bn_t;             
 38   typedef unsigned int dim_t;                     
 39   typedef TC coordinate_t;                        
 40   typedef TO offset_t;                            
 41   typedef TN num_entries_t;                       
 42   typedef TW weight_t;                            
 43   typedef TH height_t;                            
 44 protected:                                        
 45   virtual TH get_bin_height(TO) const = 0;  //    
 46 protected:                                        
 47   void base_from_data(const hd_t& a_from) {par    
 48 #ifdef tools_histo_base_histo //for backward c    
 49   hd_t base_get_data() const {                    
 50     hd_t hd;                                      
 51     hd = *this;                                   
 52     return hd;                                    
 53   }                                               
 54 #endif                                            
 55 public:                                           
 56   const hd_t& dac() const {return *this;} //da    
 57 protected:                                        
 58   base_histo():parent() {                         
 59 #ifdef TOOLS_MEM                                  
 60     mem::increment(s_class().c_str());            
 61 #endif                                            
 62   }                                               
 63 protected:                                        
 64   virtual ~base_histo() {                         
 65 #ifdef TOOLS_MEM                                  
 66     mem::decrement(s_class().c_str());            
 67 #endif                                            
 68   }                                               
 69 protected:                                        
 70   base_histo(const base_histo& a_from):parent(    
 71 #ifdef TOOLS_MEM                                  
 72     mem::increment(s_class().c_str());            
 73 #endif                                            
 74   }                                               
 75                                                   
 76   base_histo& operator=(const base_histo& a_fr    
 77     if(&a_from==this) return *this;               
 78     parent::operator=(a_from);                    
 79     return *this;                                 
 80   }                                               
 81                                                   
 82 public:                                           
 83   bool equals(const base_histo& a_from,const T    
 84     return parent::equals(a_from,a_prec,a_fabs    
 85   }                                               
 86                                                   
 87   const std::string& title() const {return par    
 88   bool set_title(const std::string& a_title){p    
 89   dim_t dimension() const {return parent::m_di    
 90   dim_t number_of_planes() const {return dim_p    
 91                                                   
 92   TN entries() const {                            
 93     return parent::m_in_range_entries; //not s    
 94   }                                               
 95   TN all_entries() const {                        
 96     return parent::m_all_entries; //works also    
 97   }                                               
 98                                                   
 99   TN extra_entries() const {                      
100     return parent::m_all_entries-parent::m_in_    
101   }                                               
102   TW equivalent_bin_entries() const {             
103     TW sw = 0;                                    
104     TW sw2 = 0;                                   
105     for(TO ibin=0;ibin<parent::m_bin_number;ib    
106       if(!histo::is_out(parent::m_axes,ibin))     
107         sw += parent::m_bin_Sw[ibin];             
108         sw2 += parent::m_bin_Sw2[ibin];           
109       }                                           
110     }                                             
111     if(sw2==0) return 0;                          
112     return (sw * sw)/sw2;                         
113   }                                               
114   TH sum_bin_heights() const {                    
115     TH sh = 0;                                    
116     for(TO ibin=0;ibin<parent::m_bin_number;ib    
117       if(!histo::is_out(parent::m_axes,ibin))     
118         sh += get_bin_height(ibin);               
119       }                                           
120     }                                             
121     return sh;                                    
122   }                                               
123   TH sum_all_bin_heights() const {                
124     TH sh = 0;                                    
125     for(TO ibin=0;ibin<parent::m_bin_number;ib    
126       sh += get_bin_height(ibin);                 
127     }                                             
128     return sh;                                    
129   }                                               
130                                                   
131   TH sum_extra_bin_heights() const {              
132     TH sh = 0;                                    
133     for(TO ibin=0;ibin<parent::m_bin_number;ib    
134       if(histo::is_out(parent::m_axes,ibin)) {    
135         sh += get_bin_height(ibin);               
136       }                                           
137     }                                             
138     return sh;                                    
139   }                                               
140                                                   
141   TH min_bin_height() const {                     
142     TH value = 0;                                 
143     bool first = true;                            
144     for(TO ibin=0;ibin<parent::m_bin_number;ib    
145       if(!histo::is_out(parent::m_axes,ibin))     
146         TH vbin = get_bin_height(ibin);           
147         if(first) {                               
148           first = false;                          
149           value = vbin;                           
150         } else {                                  
151           if(vbin<=value) value = vbin;           
152         }                                         
153       }                                           
154     }                                             
155     return value;                                 
156   }                                               
157                                                   
158   TH max_bin_height() const {                     
159     TH value = 0;                                 
160     bool first = true;                            
161     for(TO ibin=0;ibin<parent::m_bin_number;ib    
162       if(!histo::is_out(parent::m_axes,ibin))     
163         TH vbin = get_bin_height(ibin);           
164         if(first) {                               
165           first = false;                          
166           value = vbin;                           
167         } else {                                  
168           if(vbin>=value) value = vbin;           
169         }                                         
170       }                                           
171     }                                             
172     return value;                                 
173   }                                               
174                                                   
175   bool min_bin_height_with_entries(TH& a_value    
176     TH value = 0;                                 
177     bool first = true;                            
178     for(TO ibin=0;ibin<parent::m_bin_number;ib    
179       if(!histo::is_out(parent::m_axes,ibin) &    
180         TH vbin = get_bin_height(ibin);           
181         if(first) {                               
182           first = false;                          
183           value = vbin;                           
184         } else {                                  
185           if(vbin<=value) value = vbin;           
186         }                                         
187       }                                           
188     }                                             
189     a_value = value;                              
190     return first?false:true; //return true if     
191   }                                               
192                                                   
193   bool max_bin_height_with_entries(TH& a_value    
194     TH value = 0;                                 
195     bool first = true;                            
196     for(TO ibin=0;ibin<parent::m_bin_number;ib    
197       if(!histo::is_out(parent::m_axes,ibin) &    
198         TH vbin = get_bin_height(ibin);           
199         if(first) {                               
200           first = false;                          
201           value = vbin;                           
202         } else {                                  
203           if(vbin>=value) value = vbin;           
204         }                                         
205       }                                           
206     }                                             
207     a_value = value;                              
208     return first?false:true; //return true if     
209   }                                               
210                                                   
211   bool has_entries_per_bin() const { //to dete    
212     // it assumes that update_fast_getters() h    
213     if(parent::m_in_range_entries) return true    
214     // may be a from-root histo :                 
215     if(parent::m_in_range_Sw) return false;       
216     // no in range entries and weight :           
217     return true; //for exa not filled = ok.       
218   }                                               
219                                                   
220 public: //histo_data                              
221   bool get_ith_axis_Sxw(dim_t a_axis,TC& a_val    
222     a_value = 0;                                  
223     if(a_axis>=parent::m_dimension) return fal    
224     for(TO ibin=0;ibin<parent::m_bin_number;ib    
225       if(!histo::is_out(parent::m_axes,ibin))     
226         a_value += parent::m_bin_Sxw[ibin][a_a    
227       }                                           
228     }                                             
229     return true;                                  
230   }                                               
231                                                   
232   bool get_ith_axis_Sx2w(dim_t a_axis,TC& a_va    
233     a_value = 0;                                  
234     if(a_axis>=parent::m_dimension) return fal    
235     for(TO ibin=0;ibin<parent::m_bin_number;ib    
236       if(!histo::is_out(parent::m_axes,ibin))     
237         a_value += parent::m_bin_Sx2w[ibin][a_    
238       }                                           
239     }                                             
240     return true;                                  
241   }                                               
242                                                   
243   TW get_in_range_Sw() const {return parent::m    
244   TW get_in_range_Sw2() const {return parent::    
245                                                   
246   void get_Sw_Sw2(TW& a_sw,TW& a_sw2) const {     
247     a_sw = 0;                                     
248     a_sw2 = 0;                                    
249     for(TO ibin=0;ibin<parent::m_bin_number;ib    
250       if(!histo::is_out(parent::m_axes,ibin))     
251         a_sw += parent::m_bin_Sw[ibin];           
252         a_sw2 += parent::m_bin_Sw2[ibin];         
253       }                                           
254     }                                             
255   }                                               
256   void get_all_Sw_Sw2(TW& a_sw,TW& a_sw2) cons    
257     a_sw = 0;                                     
258     a_sw2 = 0;                                    
259     for(TO ibin=0;ibin<parent::m_bin_number;ib    
260       a_sw += parent::m_bin_Sw[ibin];             
261       a_sw2 += parent::m_bin_Sw2[ibin];           
262     }                                             
263   }                                               
264                                                   
265 /*                                                
266   TW get_all_Sw() const {                         
267     TW sw = 0;                                    
268     for(TO ibin=0;ibin<m_bin_number;ibin++) sw    
269     return sw;                                    
270   }                                               
271   TN get_all_entries() const {                    
272     TN number = 0;                                
273     for(TO ibin=0;ibin<m_bin_number;ibin++) {     
274       number += m_bin_entries[ibin];              
275     }                                             
276     return number;                                
277   }                                               
278                                                   
279   // for tools/wroot/streamers :                  
280   TN get_entries() const {                        
281     TN number = 0;                                
282     for(TO ibin=0;ibin<m_bin_number;ibin++) {     
283       if(!histo::is_out(m_axes,ibin)) {           
284         number += m_bin_entries[ibin];            
285       }                                           
286     }                                             
287     return number;                                
288   }                                               
289 */                                                
290 protected:                                        
291   enum {AxisX=0,AxisY=1,AxisZ=2};                 
292                                                   
293   bool configure(dim_t a_dim,                     
294                  const std::vector<bn_t>& aNum    
295                  const std::vector<TC>& aMins,    
296                  const std::vector<TC>& aMaxs)    
297     // Clear :                                    
298     parent::m_bin_entries.clear();                
299     parent::m_bin_Sw.clear();                     
300     parent::m_bin_Sw2.clear();                    
301     parent::m_bin_Sxw.clear();                    
302     parent::m_bin_Sx2w.clear();                   
303     parent::m_in_range_Sxw.clear();               
304     parent::m_in_range_Sx2w.clear();              
305     parent::m_axes.clear();                       
306     parent::m_in_range_plane_Sxyw.clear();        
307     parent::m_annotations.clear();                
308                                                   
309     parent::m_bin_number = 0;                     
310     parent::m_dimension = 0;                      
311     parent::m_all_entries = 0;                    
312     parent::m_in_range_entries = 0;               
313     parent::m_in_range_Sw = 0;                    
314     parent::m_in_range_Sw2 = 0;                   
315     parent::m_in_range_Sxw.resize(a_dim,0);       
316     parent::m_in_range_Sx2w.resize(a_dim,0);      
317                                                   
318     // Some checks :                              
319     if(!a_dim) return false;                      
320     parent::m_axes.resize(a_dim);                 
321     // Setup axes :                               
322     for(dim_t iaxis=0;iaxis<a_dim;iaxis++) {      
323       if(!parent::m_axes[iaxis].configure(aNum    
324         // do not do :                            
325         //   m_axes.clear()                       
326         // so that :                              
327         //   b1::axis(),b2::axis_[x,y]()          
328         // do not crash in case of a bad booki    
329         //m_axes.clear();                         
330         return false;                             
331       }                                           
332     }                                             
333                                                   
334     parent::m_dimension = a_dim;                  
335                                                   
336     base_allocate(); //set m_bin_number.          
337                                                   
338     return true;                                  
339   }                                               
340                                                   
341   bool configure(dim_t a_dim,const std::vector    
342     // Clear :                                    
343     parent::m_bin_entries.clear();                
344     parent::m_bin_Sw.clear();                     
345     parent::m_bin_Sw2.clear();                    
346     parent::m_bin_Sxw.clear();                    
347     parent::m_bin_Sx2w.clear();                   
348     parent::m_in_range_Sxw.clear();               
349     parent::m_in_range_Sx2w.clear();              
350     parent::m_axes.clear();                       
351     parent::m_in_range_plane_Sxyw.clear();        
352     parent::m_annotations.clear();                
353                                                   
354     parent::m_bin_number = 0;                     
355     parent::m_dimension = 0;                      
356     parent::m_all_entries = 0;                    
357     parent::m_in_range_entries = 0;               
358     parent::m_in_range_Sw = 0;                    
359     parent::m_in_range_Sw2 = 0;                   
360     parent::m_in_range_Sxw.resize(a_dim,0);       
361     parent::m_in_range_Sx2w.resize(a_dim,0);      
362                                                   
363     // Some checks :                              
364     if(!a_dim) return false;                      
365     parent::m_axes.resize(a_dim);                 
366     // Setup axes :                               
367     for(dim_t iaxis=0;iaxis<a_dim;iaxis++) {      
368       if(!parent::m_axes[iaxis].configure(a_ed    
369         //m_axes.clear();                         
370         return false;                             
371       }                                           
372     }                                             
373                                                   
374     parent::m_dimension = a_dim;                  
375                                                   
376     base_allocate(); //set m_bin_number.          
377                                                   
378     return true;                                  
379   }                                               
380                                                   
381   void base_reset() {                             
382     // Reset content (different of clear that     
383     for(TO ibin=0;ibin<parent::m_bin_number;ib    
384       parent::m_bin_entries[ibin] = 0;            
385       parent::m_bin_Sw[ibin] = 0;                 
386       parent::m_bin_Sw2[ibin] = 0;                
387       for(dim_t iaxis=0;iaxis<parent::m_dimens    
388         parent::m_bin_Sxw[ibin][iaxis] = 0;       
389         parent::m_bin_Sx2w[ibin][iaxis] = 0;      
390       }                                           
391     }                                             
392     parent::m_in_range_plane_Sxyw.assign(dim_p    
393     //profile not done here.                      
394     parent::reset_fast_getters();                 
395   }                                               
396                                                   
397 protected:                                        
398   void base_allocate() {                          
399     dim_t iaxis;                                  
400     // Add two bins for the [under,out]flow da    
401     TO n_bin = 1;                                 
402     for(iaxis=0;iaxis<parent::m_dimension;iaxi    
403       n_bin *= (parent::m_axes[iaxis].bins() +    
404     }                                             
405                                                   
406     parent::m_bin_entries.resize(n_bin,0);        
407     parent::m_bin_Sw.resize(n_bin,0);             
408     parent::m_bin_Sw2.resize(n_bin,0);            
409                                                   
410     std::vector<TC> empty;                        
411     empty.resize(parent::m_dimension,0);          
412     parent::m_bin_Sxw.resize(n_bin,empty);        
413     parent::m_bin_Sx2w.resize(n_bin,empty);       
414                                                   
415     parent::m_bin_number = n_bin; // All bins     
416                                                   
417     parent::m_axes[0].m_offset = 1;               
418     for(iaxis=1;iaxis<parent::m_dimension;iaxi    
419       parent::m_axes[iaxis].m_offset = parent:    
420     }                                             
421                                                   
422     parent::m_in_range_plane_Sxyw.resize(dim_p    
423   }                                               
424                                                   
425 public:                                           
426   // to access data from methods :                
427   const std::vector<TN>& bins_entries() const     
428   const std::vector<TW>& bins_sum_w() const {r    
429   const std::vector<TW>& bins_sum_w2() const {    
430   const std::vector< std::vector<TC> >& bins_s    
431   const std::vector< std::vector<TC> >& bins_s    
432   const std::vector<TC>& in_range_planes_xyw()    
433                                                   
434 public:                                           
435   const axis_t& get_axis(int a_index) const {r    
436   offset_t get_bins() const {return parent::m_    
437   const std::string& get_title() const {return    
438   dim_t get_dimension() const {return parent::    
439   bool is_valid() const {return (parent::m_dim    
440                                                   
441 public: //annotations :                           
442   typedef std::map<std::string,std::string> an    
443   const annotations_t& annotations() const {re    
444   annotations_t annotations() {return parent::    
445                                                   
446   void add_annotation(const std::string& a_key    
447     parent::m_annotations[a_key] = a_value; //    
448   }                                               
449   bool annotation(const std::string& a_key,std    
450     annotations_t::const_iterator it = parent:    
451     if(it==parent::m_annotations.end()) {a_val    
452     a_value = (*it).second;                       
453     return true;                                  
454   }                                               
455                                                   
456   void set_annotations(const annotations_t& a_    
457                                                   
458   void hprint_annotations(std::ostream& a_out)    
459     a_out << " * ANNOTATIONS :" << std::endl;     
460     annotations_t::const_iterator it;             
461     for(it=parent::m_annotations.begin();it!=p    
462     //out << " * (" << index << ") "              
463       a_out << " *  " << (*it).first << " = "     
464     }                                             
465   }                                               
466                                                   
467 protected:                                        
468   bool is_compatible(const base_histo& a_histo    
469     if(parent::m_dimension!=a_histo.m_dimensio    
470     for(dim_t iaxis=0;iaxis<parent::m_dimensio    
471       if(!parent::m_axes[iaxis].is_compatible(    
472     }                                             
473     return true;                                  
474   }                                               
475                                                   
476   void base_add(const base_histo& a_histo){       
477     // The only histogram operation that makes    
478     for(TO ibin=0;ibin<parent::m_bin_number;ib    
479       parent::m_bin_entries[ibin] += a_histo.m    
480       parent::m_bin_Sw[ibin] += a_histo.m_bin_    
481       parent::m_bin_Sw2[ibin] += a_histo.m_bin    
482       for(dim_t iaxis=0;iaxis<parent::m_dimens    
483         parent::m_bin_Sxw[ibin][iaxis] += a_hi    
484         parent::m_bin_Sx2w[ibin][iaxis] += a_h    
485       }                                           
486     }                                             
487    {size_t nplane = parent::m_in_range_plane_S    
488     for(size_t iplane=0;iplane<nplane;iplane++    
489       parent::m_in_range_plane_Sxyw[iplane] +=    
490     parent::update_fast_getters();                
491   }                                               
492                                                   
493   void base_subtract(const base_histo& a_histo    
494     //ill-defined operation. We keep that beca    
495     // We build a new histo with one entry in     
496     for(TO ibin=0;ibin<parent::m_bin_number;ib    
497       parent::m_bin_entries[ibin] = 1;            
498                                                   
499       parent::m_bin_Sw[ibin] -= a_histo.m_bin_    
500       // Yes, it is a += in the below.            
501       parent::m_bin_Sw2[ibin] += a_histo.m_bin    
502       for(dim_t iaxis=0;iaxis<parent::m_dimens    
503         parent::m_bin_Sxw[ibin][iaxis] -= a_hi    
504         parent::m_bin_Sx2w[ibin][iaxis] -= a_h    
505       }                                           
506     }                                             
507                                                   
508  //{for(dim_t iplane=0;iplane<nplane;iplane++)    
509                                                   
510     parent::update_fast_getters();                
511   }                                               
512                                                   
513   bool base_multiply(const base_histo& a_histo    
514     //ill-defined operation. We keep that beca    
515                                                   
516     // We build a new histo with one entry in     
517     //   this.w * a_histo.w                       
518     // The current histo is overriden with thi    
519     // The m_bin_Sw2 computation is consistent    
520                                                   
521     if(!is_compatible(a_histo)) return false;     
522                                                   
523     std::vector<int> is(parent::m_dimension);     
524     for(TO ibin=0;ibin<parent::m_bin_number;ib    
525       TW swa = parent::m_bin_Sw[ibin];            
526       TW sw2a = parent::m_bin_Sw2[ibin];          
527       TW swb = a_histo.m_bin_Sw[ibin];            
528       TW sw2b = a_histo.m_bin_Sw2[ibin];          
529       TW sw = swa * swb;                          
530       parent::m_bin_entries[ibin] = 1;            
531       parent::m_bin_Sw[ibin] = sw;                
532       parent::m_bin_Sw2[ibin] = sw2a * swb * s    
533       histo::get_indices(parent::m_axes,ibin,i    
534       for(dim_t iaxis=0;iaxis<parent::m_dimens    
535         TC x = parent::m_axes[iaxis].bin_cente    
536         parent::m_bin_Sxw[ibin][iaxis] = x * s    
537         parent::m_bin_Sx2w[ibin][iaxis] = x *     
538       }                                           
539     }                                             
540                                                   
541  //{for(dim_t iplane=0;iplane<nplane;iplane++)    
542                                                   
543     parent::update_fast_getters();                
544     return true;                                  
545   }                                               
546                                                   
547   bool base_divide(const base_histo& a_histo)     
548     //ill-defined operation. We keep that beca    
549                                                   
550     // We build a new histo with one entry in     
551     //   this.w / a_histo.w                       
552     // The current histo is overriden with thi    
553     // The m_bin_Sw2 computation is consistent    
554                                                   
555     if(!is_compatible(a_histo)) return false;     
556                                                   
557     std::vector<int> is(parent::m_dimension);     
558     for(TO ibin=0;ibin<parent::m_bin_number;ib    
559       histo::get_indices(parent::m_axes,ibin,i    
560       TW swa = parent::m_bin_Sw[ibin];            
561       TW swb = a_histo.m_bin_Sw[ibin];            
562       TW sw2a = parent::m_bin_Sw2[ibin];          
563       TW sw2b = a_histo.m_bin_Sw2[ibin];          
564       if(swb!=0) {                                
565         parent::m_bin_entries[ibin] = 1;          
566         TW sw = swa / swb;                        
567         parent::m_bin_Sw[ibin] = sw;              
568         TW swb2 = swb * swb;                      
569         parent::m_bin_Sw2[ibin] = sw2a / swb2     
570         for(dim_t iaxis=0;iaxis<parent::m_dime    
571           TC x = parent::m_axes[iaxis].bin_cen    
572           parent::m_bin_Sxw[ibin][iaxis] = x *    
573           parent::m_bin_Sx2w[ibin][iaxis] = x     
574         }                                         
575       } else {                                    
576         parent::m_bin_entries[ibin] = 0;          
577         parent::m_bin_Sw[ibin] = 0;               
578         parent::m_bin_Sw2[ibin] = 0;              
579         for(dim_t iaxis=0;iaxis<parent::m_dime    
580           parent::m_bin_Sxw[ibin][iaxis] = 0;     
581           parent::m_bin_Sx2w[ibin][iaxis] = 0;    
582         }                                         
583       }                                           
584     }                                             
585                                                   
586  //{for(dim_t iplane=0;iplane<nplane;iplane++)    
587                                                   
588     parent::update_fast_getters();                
589     return true;                                  
590   }                                               
591                                                   
592   bool base_multiply(TW a_factor) {               
593     if(a_factor<0) return false;                  
594     TW factor2 = a_factor * a_factor;             
595     for(TO ibin=0;ibin<parent::m_bin_number;ib    
596       parent::m_bin_Sw[ibin] *= a_factor;         
597       parent::m_bin_Sw2[ibin] *= factor2;         
598       for(dim_t iaxis=0;iaxis<parent::m_dimens    
599         parent::m_bin_Sxw[ibin][iaxis] *= a_fa    
600         parent::m_bin_Sx2w[ibin][iaxis] *= a_f    
601       }                                           
602     }                                             
603    {size_t nplane = parent::m_in_range_plane_S    
604     for(size_t iplane=0;iplane<nplane;iplane++    
605     parent::update_fast_getters();                
606     return true;                                  
607   }                                               
608                                                   
609   bool get_ith_axis_mean(dim_t a_axis,TC& a_va    
610     a_value = 0;                                  
611     if(a_axis>=parent::m_dimension) return fal    
612     TW sw = 0;                                    
613     TC sxw = 0;                                   
614     for(TO ibin=0;ibin<parent::m_bin_number;ib    
615       if(!histo::is_out(parent::m_axes,ibin))     
616         sw += parent::m_bin_Sw[ibin];             
617         sxw += parent::m_bin_Sxw[ibin][a_axis]    
618       }                                           
619     }                                             
620     if(sw==0) return false;                       
621     a_value = sxw/sw;                             
622     return true;                                  
623   }                                               
624                                                   
625   bool get_ith_axis_rms(dim_t a_axis,TC& a_val    
626     a_value = 0;                                  
627     if(a_axis>=parent::m_dimension) return fal    
628     TW sw = 0;                                    
629     TC sxw = 0;                                   
630     TC sx2w = 0;                                  
631     for(TO ibin=0;ibin<parent::m_bin_number;ib    
632       if(!histo::is_out(parent::m_axes,ibin))     
633         sw += parent::m_bin_Sw[ibin];             
634         sxw += parent::m_bin_Sxw[ibin][a_axis]    
635         sx2w += parent::m_bin_Sx2w[ibin][a_axi    
636       }                                           
637     }                                             
638     if(sw==0) return false;                       
639     TC mean = sxw/sw;                             
640     a_value = ::sqrt(::fabs((sx2w / sw) - mean    
641     return true;                                  
642   }                                               
643                                                   
644   TN get_bin_entries(const std::vector<int>& a    
645     if(parent::m_bin_number==0) return 0;         
646     TO offset;                                    
647     if(!histo::get_offset(parent::m_axes,aIs,o    
648     return parent::m_bin_entries[offset];         
649   }                                               
650 };                                                
651                                                   
652 // predefined annotation keys :                   
653 inline const std::string& key_axis_x_title() {    
654   static const std::string s_v("axis_x.title")    
655   return s_v;                                     
656 }                                                 
657 inline const std::string& key_axis_y_title() {    
658   static const std::string s_v("axis_y.title")    
659   return s_v;                                     
660 }                                                 
661 inline const std::string& key_axis_z_title() {    
662   static const std::string s_v("axis_z.title")    
663   return s_v;                                     
664 }                                                 
665                                                   
666 }}                                                
667                                                   
668 #endif