gsl_histogram2d_pdf Class Reference

2D PDF derived from histogram for sampling. More...

#include <GSLHistogram.h>

Collaboration diagram for gsl_histogram2d_pdf:

Public Member Functions
	gsl_histogram2d_pdf ()
void	init (const gsl_histogram2d *h)
	Initialize a PDF from a 2D histogram.
void	sample (double u, double v, double *x, double *y)
	Sample \((x,y)\) given two uniform variates.

Private Attributes
size_t	nx_
size_t	ny_
std::vector< double >	xrange_
std::vector< double >	yrange_
std::vector< double >	pdf_
std::vector< double >	cumsum_

Detailed Description

2D PDF derived from histogram for sampling.

Definition at line 285 of file GSLHistogram.h.

Constructor & Destructor Documentation

gsl_histogram2d_pdf()

gsl_histogram2d_pdf::gsl_histogram2d_pdf ( )

inline

Definition at line 287 of file GSLHistogram.h.

Member Function Documentation

init()

void gsl_histogram2d_pdf::init ( const gsl_histogram2d *  h )

inline

Initialize a PDF from a 2D histogram.

Parameters

h	Input: histogram providing bin weights.

Definition at line 291 of file GSLHistogram.h.

References gsl_histogram2d::bin(), cumsum_, gsl_histogram2d::nx(), nx_, gsl_histogram2d::ny(), ny_, pdf_, gsl_histogram2d::xrange(), xrange_, gsl_histogram2d::yrange(), and yrange_.

Referenced by gsl_histogram2d_pdf_init().

Here is the call graph for this function:

sample()

void gsl_histogram2d_pdf::sample ( double  u, double  v, double *  x, double *  y  )

inline

Sample \((x,y)\) given two uniform variates.

Parameters

u	Input: uniform variate in \([0,1]\) for x-bin selection.
v	Input: uniform variate in \([0,1]\) for y position within the x-bin.
x	Output: sampled x value.
y	Output: sampled y value.

Definition at line 324 of file GSLHistogram.h.

References cumsum_, nx_, ny_, xrange_, and yrange_.

Member Data Documentation

cumsum_

std::vector<double> gsl_histogram2d_pdf::cumsum_

private

Definition at line 356 of file GSLHistogram.h.

Referenced by init(), and sample().

nx_

size_t gsl_histogram2d_pdf::nx_

private

Definition at line 352 of file GSLHistogram.h.

Referenced by init(), and sample().

ny_

size_t gsl_histogram2d_pdf::ny_

private

Definition at line 352 of file GSLHistogram.h.

Referenced by init(), and sample().

pdf_

std::vector<double> gsl_histogram2d_pdf::pdf_

private

Definition at line 355 of file GSLHistogram.h.

Referenced by init().

xrange_

std::vector<double> gsl_histogram2d_pdf::xrange_

private

Definition at line 353 of file GSLHistogram.h.

Referenced by init(), and sample().

yrange_

std::vector<double> gsl_histogram2d_pdf::yrange_

private

Definition at line 354 of file GSLHistogram.h.

Referenced by init(), and sample().

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The documentation for this class was generated from the following file:

• GSLHistogram.h