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00043 #ifndef HISTOGRAM_HPP
00044 #define HISTOGRAM_HPP 1
00045
00046
00047 #include <vector>
00048
00049
00052 class Histogram
00053 {
00054
00055 public:
00056
00059 virtual ~Histogram() {}
00060
00061 };
00062
00063
00066 class Histogram1D : public Histogram
00067 {
00068 int _n;
00069 double _range[2];
00070 double _step;
00071 std::vector<double> _data;
00073 public:
00074
00077 Histogram1D( size_t n, const double range[2] );
00078
00081 Histogram1D( size_t n, const std::vector<double> &xdata );
00082
00085 Histogram1D( size_t n, const std::vector<double> &xdata, const std::vector<double> &wdata );
00086
00089 virtual ~Histogram1D();
00090
00093 size_t n( void ) const { return( _n ); }
00094
00097 double step( void ) const { return( _step ); }
00098
00101 double coord( size_t i ) const { return( _range[0] + i*(_range[1]-_range[0]) / (_n-1.0) ); }
00102
00107 void accumulate( size_t i, double weight ) {
00108 _data[i] += weight;
00109 }
00110
00120 void accumulate_linear( double x, double weight );
00121
00124 void get_range( double range[2] ) const {
00125 range[0] = _range[0];
00126 range[1] = _range[1];
00127 }
00128
00133 void get_bin_range( double &min, double &max ) const;
00134
00137 std::vector<double> &get_data( void ) { return( _data ); }
00138
00141 const std::vector<double> &get_data( void ) const { return( _data ); }
00142
00145 const double &operator()( size_t i ) const {
00146 return( _data[i] );
00147 }
00148
00151 double &operator()( size_t i ) {
00152 return( _data[i] );
00153 }
00154 };
00155
00156
00159 class Histogram2D : public Histogram
00160 {
00161 int _n;
00162 int _m;
00163 double _range[4];
00164 double _nstep;
00165 double _mstep;
00166 std::vector<double> _data;
00168 public:
00169
00172 Histogram2D( size_t n, size_t m, const double range[4] );
00173
00176 Histogram2D( size_t n, size_t m,
00177 const std::vector<double> &xdata,
00178 const std::vector<double> &ydata );
00179
00182 Histogram2D( size_t n, size_t m,
00183 const std::vector<double> &xdata,
00184 const std::vector<double> &ydata,
00185 const std::vector<double> &wdata );
00186
00189 virtual ~Histogram2D();
00190
00193 size_t n( void ) const { return( _n ); }
00194
00197 size_t m( void ) const { return( _m ); }
00198
00201 double nstep( void ) const { return( _nstep ); }
00202
00205 double mstep( void ) const { return( _mstep ); }
00206
00209 double icoord( size_t i ) const { return( _range[0] + i*(_range[2]-_range[0]) / (_n-1.0) ); }
00210
00213 double jcoord( size_t j ) const { return( _range[1] + j*(_range[3]-_range[1]) / (_m-1.0) ); }
00214
00219 void accumulate( size_t i, size_t j, double weight ) {
00220 _data[i+j*_n] += weight;
00221 }
00222
00232 void accumulate_linear( double x, double y, double weight );
00233
00236 void get_range( double range[4] ) const {
00237 range[0] = _range[0];
00238 range[1] = _range[1];
00239 range[2] = _range[2];
00240 range[3] = _range[3];
00241 }
00242
00247 void get_bin_range( double &min, double &max ) const;
00248
00251 std::vector<double> &get_data( void ) { return( _data ); }
00252
00255 const std::vector<double> &get_data( void ) const { return( _data ); }
00256
00259 const double &operator()( size_t i, size_t j ) const {
00260 return( _data[i+j*_n] );
00261 }
00262
00265 double &operator()( size_t i, size_t j ) {
00266 return( _data[i+j*_n] );
00267 }
00268 };
00269
00270
00271 #endif
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