/Users/barrand/private/dev/softinex/old/inexlib-1.2/inlib/inlib/histo/h3

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file inlib.license for terms.

#ifndef inlib_histo_h3
#define inlib_histo_h3

#include "b3"

namespace inlib {
namespace histo {

template <class TC,class TN,class TW,class TH>
class h3 : public b3<TC,TN,TW,TH> {
  typedef b3<TC,TN,TW,TH> parent;
public:
  typedef typename b3<TC,TN,TW,TH>::bn_t bn_t;
protected:
  virtual TH get_bin_height(int a_offset) const { //TH should be the same as TW
    return parent::m_bin_Sw[a_offset];
  }
public:

  virtual TH bin_error(int aI,int aJ,int aK) const {
    if(parent::m_bin_number==0) return 0;
    bn_t ibin;
    if(!parent::m_axes[0].in_range_to_absolute_index(aI,ibin)) return 0;
    bn_t jbin;
    if(!parent::m_axes[1].in_range_to_absolute_index(aJ,jbin)) return 0;
    bn_t kbin;
    if(!parent::m_axes[2].in_range_to_absolute_index(aK,kbin)) return 0;
    bn_t offset = ibin + jbin * parent::m_axes[1].m_offset + 
                         kbin * parent::m_axes[2].m_offset;
  
    return ::sqrt(parent::m_bin_Sw2[offset]);
  }

public:
  bool multiply(TW aFactor){
    if(!parent::base_multiply(aFactor)) return false;
    this->update_fast_getters();
    return true;
  }
  bool scale(TW aFactor) {return multiply(aFactor);}

  void copy_from_data(const histo_data<TC,TN,TW>& a_from) {
    parent::base_from_data(a_from);
  }
  histo_data<TC,TN,TW> get_histo_data() const {
    return parent::base_get_data();
  }

  bool reset() {
    parent::base_reset();
    this->update_fast_getters();
    return true;
  }

  bool fill(TC aX,TC aY,TC aZ,TW aWeight = 1) {
    //m_coords[0] = aX;
    //m_coords[1] = aY;
    //m_coords[2] = aZ;
    //return fill_bin(m_coords,aWeight);
  
    if(parent::m_dimension<=0) return false;
  
    bn_t ibin,jbin,kbin;
    if(!parent::m_axes[0].coord_to_absolute_index(aX,ibin)) return false;
    if(!parent::m_axes[1].coord_to_absolute_index(aY,jbin)) return false;
    if(!parent::m_axes[3].coord_to_absolute_index(aZ,kbin)) return false;
  
    bn_t offset = ibin + jbin * parent::m_axes[1].m_offset + 
                         kbin * parent::m_axes[2].m_offset;
  
    parent::m_bin_entries[offset]++;
    parent::m_bin_Sw[offset] += aWeight;
    parent::m_bin_Sw2[offset] += aWeight * aWeight;
  
    TC xw = aX * aWeight;
    TC x2w = aX * xw;
    parent::m_bin_Sxw[offset][0] += xw;
    parent::m_bin_Sx2w[offset][0] += x2w;
  
    TC yw = aY * aWeight;
    TC y2w = aY * yw;
    parent::m_bin_Sxw[offset][1] += yw;
    parent::m_bin_Sx2w[offset][1] += y2w;
  
    TC zw = aZ * aWeight;
    TC z2w = aZ * zw;
    parent::m_bin_Sxw[offset][2] += zw;
    parent::m_bin_Sx2w[offset][2] += z2w;
  
    bool inRange = true;
    if(ibin==0) inRange = false;
    else if(ibin==(parent::m_axes[0].m_number_of_bins+1)) inRange = false;
  
    if(jbin==0) inRange = false;
    else if(jbin==(parent::m_axes[1].m_number_of_bins+1)) inRange = false;
  
    if(kbin==0) inRange = false;
    else if(kbin==(parent::m_axes[2].m_number_of_bins+1)) inRange = false;
  
    if(inRange) {
      parent::m_in_range_entries++;
      parent::m_in_range_Sw += aWeight;
  
      parent::m_in_range_Sxw += xw;
      parent::m_in_range_Sx2w += x2w;
  
      parent::m_in_range_Syw += yw;
      parent::m_in_range_Sy2w += y2w;
  
      parent::m_in_range_Szw += zw;
      parent::m_in_range_Sz2w += z2w;
    }
   
    return true;
  }

  bool add(const h3& a_histo){
    parent::base_add(a_histo);
    this->update_fast_getters();
    return true;
  }
  bool subtract(const h3& a_histo){
    parent::base_subtract(a_histo);
    this->update_fast_getters();
    return true;
  }

  bool multiply(const h3& a_histo) {  
    if(!parent::base_multiply(a_histo)) return false;
    this->update_fast_getters();
    return true;
  }
  
  bool divide(const h3& a_histo) {
    if(!parent::base_divide(a_histo)) return false;
    this->update_fast_getters();
    return true;
  }

public:
/*
  // Slices :
  h2d* slice_xy(int aKbeg,int aKend) const;
  h2d* slice_yz(int aIbeg,int aIend) const;
  h2d* slice_xz(int aJbeg,int aJend) const;
*/
public:
  h3(const std::string& a_title,
                     bn_t aXnumber,TC aXmin,TC aXmax,
                     bn_t aYnumber,TC aYmin,TC aYmax,
                     bn_t aZnumber,TC aZmin,TC aZmax)
  : parent(a_title,aXnumber,aXmin,aXmax,
                  aYnumber,aYmin,aYmax,
                  aZnumber,aZmin,aZmax)
  {}

  h3(const std::string& a_title,
                     const std::vector<TC>& aEdgesX,
                     const std::vector<TC>& aEdgesY,
                     const std::vector<TC>& aEdgesZ)
  : parent(a_title,aEdgesX,aEdgesY,aEdgesZ)
  {}

  virtual ~h3(){}
public:
  h3(const h3& a_from): parent(a_from){}
  h3& operator=(const h3& a_from){
    parent::operator=(a_from);
    return *this;
  }
};

}}

#endif