NAME

sample_from_discrete_distribution - Samples from a one-dimensional discrete distribution

SYNOPSIS

#include "sample/sample_misc.h"

Example compile flags (system dependent):
  -DLINUX_X86_64 -DLINUX_X86_64_OPTERON  -DGNU_COMPILER 
   -I/home/kobus/include
   -L/home/kobus/misc/load/linux_x86_64_opteron -L/usr/lib/x86_64-linux-gnu
  -lKJB                               -lfftw3  -lgsl -lgslcblas -ljpeg  -lSVM -lstdc++                    -lpthread -lSLATEC -lg2c    -lacml -lacml_mv -lblas -lg2c      -lncursesw 


int sample_from_discrete_distribution
(
	int *idx,
	const Vector *dist
);

DESCRIPTION

This funciton generates a sample from a 1D discrete distribution, given by the vector dist. The index of the sample is given by *idx. The elements of dist must sum to 1.

RETURNS

ERROR on failure, NO_ERROR on success.

RELATED

kjb_rand

DISCLAIMER

This software is not adequatedly tested. It is recomended that results are checked independantly where appropriate.

AUTHOR

Ernesto Brau

DOCUMENTER

Ernesto Brau

SEE ALSO

kjb_rand_int , sample_from_uniform_distribution , poisson_rand , gamma_pdf , log_gamma_pdf , sample_from_gamma_distribution , sample_from_gamma_distribution_2 , pick_m_from_n