pyne::AliasTable Class Reference

A data structure for O(1) source sampling. More...

#include <source_sampling.h>

Public Member Functions
	AliasTable (std::vector< double > p)
int	sample_pdf (double rand1, double rand2)

Public Attributes
int	n
std::vector< double >	prob
	Number of bins in the PDF.
std::vector< int >	alias
	Probabilities.

Detailed Description

A data structure for O(1) source sampling.

Constructor & Destructor Documentation

AliasTable()

pyne::AliasTable::AliasTable

(

std::vector< double >

p

)

Constructor

Parameters

p	A normalized probability distribution function

Member Function Documentation

sample_pdf()

int pyne::AliasTable::sample_pdf	(	double	rand1,
		double	rand2
	)

Samples the alias table

Parameters

rand1	A random number in range [0, 1].
rand2	A random number in range [0, 1].

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

• /home/mouginot/work/app/pyne/src/source_sampling.h
• /home/mouginot/work/app/pyne/src/source_sampling.cpp