Gabriele Cosmo
251 lines
6.0 KiB
Plaintext
251 lines
6.0 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_histo_c1d
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#define tools_histo_c1d
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#include "base_cloud"
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#include "../mnmx"
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#include "h1d"
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namespace tools {
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namespace histo {
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class c1d : public base_cloud {
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public:
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static const std::string& s_class() {
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static const std::string s_v("tools::histo::c1d");
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return s_v;
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}
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public:
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bool set_title(const std::string& a_title){
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m_title = a_title;
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if(m_histo) m_histo->set_title(a_title);
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return true;
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}
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unsigned int dimension() const {return 1;}
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bool reset() {
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clear();
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delete m_histo;
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m_histo = 0;
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return true;
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}
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unsigned int entries() const {
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return m_histo ? m_histo->all_entries() : (unsigned int)m_ws.size();
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}
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public:
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double sum_of_weights() const {
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return (m_histo ? m_histo->sum_bin_heights() : m_Sw);
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}
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bool convert_to_histogram(){
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if( (m_cnv_x_num<=0) || (m_cnv_x_max<=m_cnv_x_min) ) {
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// Cloud min, max should be included in the histo.
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double dx = 0.01 * (upper_edge() - lower_edge())/BINS();
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return convert(BINS(),lower_edge(),upper_edge() + dx);
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} else {
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return convert(m_cnv_x_num,m_cnv_x_min,m_cnv_x_max);
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}
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}
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bool is_converted() const {return m_histo ? true : false;}
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bool scale(double a_scale) {
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if(m_histo) {
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return m_histo->scale(a_scale);
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} else {
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size_t number = m_ws.size();
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for(size_t index=0;index<number;index++) m_ws[index] *= a_scale;
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m_Sw *= a_scale;
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m_Sxw *= a_scale;
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m_Sx2w *= a_scale;
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return true;
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}
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}
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bool set_histogram(h1d* a_histo){ //we take ownership of a_histo.
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reset();
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m_histo = a_histo;
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return true;
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}
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public:
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bool fill(double aX,double aW = 1){
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if(!m_histo && (m_limit!=UNLIMITED()) &&
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((int)m_xs.size()>=m_limit)){
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convert_to_histogram();
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}
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if(m_histo) {
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return m_histo->fill(aX,aW);
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} else {
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if(m_xs.size()) {
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m_lower_x = mn<double>(aX,m_lower_x);
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m_upper_x = mx<double>(aX,m_upper_x);
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} else {
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m_lower_x = aX;
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m_upper_x = aX;
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}
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m_xs.push_back(aX);
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m_ws.push_back(aW);
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m_Sw += aW;
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double xw = aX * aW;
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m_Sxw += xw;
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m_Sx2w += aX * xw;
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return true;
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}
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}
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double lower_edge() const {
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return (m_histo ? m_histo->axis().lower_edge() : m_lower_x);
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}
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double upper_edge() const {
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return (m_histo ? m_histo->axis().upper_edge() : m_upper_x);
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}
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double value(unsigned int aIndex) const {return (m_histo ?0:m_xs[aIndex]);}
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double weight(unsigned int aIndex) const {return (m_histo ?0:m_ws[aIndex]);}
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double mean() const {
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return (m_histo ? m_histo->mean() : (m_Sw?m_Sxw/m_Sw:0));
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}
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double rms() const {
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double _rms = 0; //FIXME nan.
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if(m_histo) {
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_rms = m_histo->rms();
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} else {
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if(m_Sw==0) {
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} else {
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double _mean = m_Sxw / m_Sw;
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_rms = ::sqrt(::fabs( (m_Sx2w / m_Sw) - _mean * _mean));
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}
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}
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return _rms;
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}
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bool convert(unsigned int aBins,double aLowerEdge,double aUpperEdge){
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if(m_histo) return true;
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m_histo = new histo::h1d(base_cloud::title(),aBins,aLowerEdge,aUpperEdge);
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if(!m_histo) return false;
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bool status = fill_histogram(*m_histo);
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clear();
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return status;
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}
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bool convert(const std::vector<double>& a_edges) {
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if(m_histo) return true;
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m_histo = new histo::h1d(base_cloud::title(),a_edges);
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if(!m_histo) return false;
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bool status = fill_histogram(*m_histo);
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clear();
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return status;
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}
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const histo::h1d& histogram() const {
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if(!m_histo) const_cast<c1d&>(*this).convert_to_histogram();
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return *m_histo;
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}
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template <class HISTO>
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bool fill_histogram(HISTO& a_histo) const {
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size_t number = m_xs.size();
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for(size_t index=0;index<number;index++) {
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if(!a_histo.fill(m_xs[index],m_ws[index])) return false;
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}
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return true;
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}
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bool set_conversion_parameters(unsigned int aCnvXnumber,
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double aCnvXmin,double aCnvXmax){
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m_cnv_x_num = aCnvXnumber;
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m_cnv_x_min = aCnvXmin;
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m_cnv_x_max = aCnvXmax;
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return true;
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}
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public:
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c1d()
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:base_cloud(UNLIMITED())
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,m_lower_x(0),m_upper_x(0)
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,m_Sxw(0),m_Sx2w(0)
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,m_cnv_x_num(0),m_cnv_x_min(0),m_cnv_x_max(0),m_histo(0)
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{}
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c1d(const std::string& a_title,int aLimit = base_cloud::UNLIMITED())
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:base_cloud(aLimit)
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,m_lower_x(0),m_upper_x(0)
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,m_Sxw(0),m_Sx2w(0)
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,m_cnv_x_num(0),m_cnv_x_min(0),m_cnv_x_max(0),m_histo(0)
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{
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set_title(a_title);
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}
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virtual ~c1d(){delete m_histo;}
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public:
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c1d(const c1d& a_from)
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:base_cloud(a_from)
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,m_xs(a_from.m_xs)
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,m_lower_x(a_from.m_lower_x)
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,m_upper_x(a_from.m_upper_x)
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,m_Sxw(a_from.m_Sxw)
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,m_Sx2w(a_from.m_Sx2w)
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,m_cnv_x_num(a_from.m_cnv_x_num)
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,m_cnv_x_min(a_from.m_cnv_x_min)
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,m_cnv_x_max(a_from.m_cnv_x_max)
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,m_histo(0)
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{
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if(a_from.m_histo) {
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m_histo = new histo::h1d(*a_from.m_histo);
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}
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}
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c1d& operator=(const c1d& a_from){
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base_cloud::operator=(a_from);
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if(&a_from==this) return *this;
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m_xs = a_from.m_xs;
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m_lower_x = a_from.m_lower_x;
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m_upper_x = a_from.m_upper_x;
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m_Sxw = a_from.m_Sxw;
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m_Sx2w = a_from.m_Sx2w;
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m_cnv_x_num = a_from.m_cnv_x_num;
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m_cnv_x_min = a_from.m_cnv_x_min;
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m_cnv_x_max = a_from.m_cnv_x_max;
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delete m_histo;
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m_histo = 0;
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if(a_from.m_histo) {
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m_histo = new histo::h1d(*a_from.m_histo);
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}
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return *this;
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}
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public: //AIDA API
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double lowerEdge() const {return lower_edge();}
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double upperEdge() const {return upper_edge();}
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template <class HISTO>
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bool fillHistogram(HISTO& a_histo) const {return fill_histogram<HISTO>(a_histo);}
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protected:
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void clear(){
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m_lower_x = 0;
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m_upper_x = 0;
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m_Sw = 0;
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m_Sxw = 0;
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m_Sx2w = 0;
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m_xs.clear();
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m_ws.clear();
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}
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protected:
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std::vector<double> m_xs;
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double m_lower_x;
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double m_upper_x;
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double m_Sxw;
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double m_Sx2w;
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//
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unsigned int m_cnv_x_num;
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double m_cnv_x_min;
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double m_cnv_x_max;
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histo::h1d* m_histo;
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};
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}}
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#endif
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